Average weather, temperature, rainfall, sunshine hours
The climate of Oklahoma City, the capital and largest city of Oklahoma, is
subtropical, with quite cold winters and very hot, muggy summers. The city is windy and exposed to clashes between air masses which cause
sudden changes in temperature, except in summer, when the heat prevails.
The city is located in the southern United States, at 365 meters (1,200 feet) above sea level.
The
average temperature of the coldest month (January) is of 3.4 °C (38.2 °F), that of the warmest month (July) is of 27.6 °C (81.7 °F). Here are the average temperatures.
Oklahoma City - Average temperatures (1991-2020) Month | Min (°C) | Max (°C) | Mean (°C) | Min (°F) | Max (°F) | Mean (°F) |
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January | -2.8 | 9.6 | 3.4 | 27 | 49 | 38.1 |
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February | -0.7 | 12.1 | 5.7 | 31 | 54 | 42.3 |
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March | 4.2 | 17.2 | 10.7 | 40 | 63 | 51.3 |
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April | 8.6 | 21.7 | 15.2 | 47 | 71 | 59.4 |
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May | 14.2 | 26.1 | 20.1 | 58 | 79 | 68.2 |
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June | 19 | 30.8 | 24.9 | 66 | 87 | 76.8 |
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July | 21.3 | 33.9 | 27.6 | 70 | 93 | 81.7 |
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August | 20.6 | 33.4 | 27 | 69 | 92 | 80.6 |
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September | 16.4 | 28.8 | 22.6 | 62 | 84 | 72.7 |
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October | 9.7 | 22.7 | 16.2 | 49 | 73 | 61.2 |
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November | 3.2 | 15.9 | 9.6 | 38 | 61 | 49.3 |
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December | -1.4 | 10.2 | 4.4 | 29 | 50 | 39.9 |
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Year | 9.4 | 21.9 | 15.6 | 48.9 | 71.4 | 60.1 |
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Precipitation amounts to 925 millimeters (36.4 inches) per year: so, it is at an intermediate level. It ranges from 35 mm (1.4 in) in the driest months (January, February) to 135 mm (5.3 in) in the wettest (May). Here is the average precipitation.
Oklahoma City - Average precipitationMonth | Millimeters | Inches | Days |
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January | 35 | 1.4 | 5 |
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February | 35 | 1.4 | 6 |
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March | 65 | 2.6 | 7 |
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April | 90 | 3.5 | 8 |
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May | 135 | 5.3 | 10 |
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June | 115 | 4.5 | 9 |
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July | 90 | 3.5 | 6 |
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August | 90 | 3.5 | 7 |
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September | 95 | 3.7 | 7 |
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October | 85 | 3.3 | 8 |
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November | 45 | 1.8 | 6 |
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December | 45 | 1.8 | 6 |
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Year | 925 | 36.4 | 83 |
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The
winter, from December to February, is quite cold, but above all it is characterized by the alternation of mild and cold periods. In fact, there are periods in which the temperature can exceed 20 °C (68 °F), and sometimes 25 °C (77 °F), even in the middle of winter, but also irruptions of cold air, with intense frosts and possible snowfalls.
On average, 17 cm (6.7 in) of snow fall per year. The most abundant snowfall that occurred in one day was of 34 cm (13.5 in), in December 2009.
On average, there are 7 icing days (that is, on which the air temperature does not go above freezing), and this can happen from November through March.
On the coldest nights of the year, the temperature typically drops to around -15 °C (5 °F). The coldest record is -25.5 °C (-14 °F), set in February 2021.
The
summer, from June to mid-September, is very hot and sunny, with some thunderstorms.
Typically, the temperature reaches or exceeds 38 °C (100 °F) for 13 days a year. On the hottest days of the year, the temperature reaches 40/41 °C (104/106 °F).
The record heat is 45 °C (113 °F), set in August 2012.
In 2011, scorching heat lasted a long time, and the average maximum temperature was 40 °C (104 °F) in July and 39.9 °C (103.8 °F) in August.
In
spring and autumn, from March to May and from mid-September to the end of November, the collision between air masses can give rise to thunderstorms, sometimes accompanied by hail, gusts of wind and sudden changes of temperature. However, there are also stable and pleasant periods. Cold air outbreaks, with nighttime temperatures below freezing, are more likely in March and November, while heat waves are more likely in May and September.
Oklahoma City is particularly subject to the phenomenon of
tornadoes, which generally develop in the April-June period, and more rarely in autumn. In fact, we are in the heart of "Tornado Alley".
Sometimes, droughts (such as in the summer of 1998) or floods (such as in May 2015) can occur.
On average, there are around 3,090
sunshine hours per year. Therefore, the sun shines very often. Here are the average sunshine hours per day.
Oklahoma City - Sunshine hoursMonth | Average | Total |
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January | 6.5 | 200 | February | 7 | 190 | March | 8 | 245 | April | 9 | 270 | May | 9.5 | 295 | June | 11 | 325 | July | 11.5 | 355 | August | 10.5 | 330 | September | 9 | 265 | October | 8 | 245 | November | 6 | 185 | December | 6 | 180 | Year | 8.5 | 3090 |
Best Time
In Oklahoma City, there is no month in which it cannot be either hot or cold (or both), however, spring and autumn can be chosen, even if they are unstable seasons, and in particular, the months of April and October, with a preference for the latter because there is a lower risk of severe thunderstorms or tornadoes.
Oklahoma City - Weather by month
Based on the period 1991-2020
January, the coldest month of the year, is generally a cold month. The average temperature is of 3.4 °C (38 °F), with a minimum of -2.8 °C (27 °F) and a maximum of 9.6 °C (49.3 °F).
On the coldest nights of the month, the temperature usually drops to around -11.5 °C (11.5 °F). However, it dropped to -19.4 °C (-2.9 °F) in January 2017.
On the warmest days of the month, the temperature usually reaches around 22 °C (71.5 °F). However, it reached 26.1 °C (79 °F) in January 2015.
Precipitation amounts to 35 mm (1.4 in), distributed over 5 days.
The day lasts on average 10 hours and 5 minutes.
There are on average 6.5 hours of sunshine per day. So, the sun shines 64% of the time.
The average humidity is 63%.
The average wind speed is 18 kph (11 mph).
February is generally a quite cold month. The average temperature is of 5.7 °C (42 °F), with a minimum of -0.7 °C (30.8 °F) and a maximum of 12.1 °C (53.8 °F).
On the coldest nights of the month, the temperature usually drops to around -9 °C (15.5 °F). However, it dropped to -21 °C (-5.8 °F) in February 2011.
On the warmest days of the month, the temperature usually reaches around 25 °C (77 °F). However, it reached 33.3 °C (91.9 °F) in February 1996.
Precipitation amounts to 35 mm (1.4 in), distributed over 6 days.
The day lasts on average 10 hours and 55 minutes.
There are on average 7 hours of sunshine per day. So, the sun shines 62% of the time.
The average humidity is 61%.
The average wind speed is 19 kph (12 mph).
March is generally a mild month. The average temperature is of 10.7 °C (51 °F), with a minimum of 4.2 °C (39.5 °F) and a maximum of 17.2 °C (62.9 °F).
On the coldest nights, which normally occur at the beginning of the month, the temperature usually drops to around -6 °C (21.5 °F). However, it dropped to -14.4 °C (6.1 °F) in March 2002.
On the warmest days, which normally occur at the end of the month, the temperature usually reaches around 29 °C (84 °F). However, it reached 33.3 °C (91.9 °F) in March 2006.
Precipitation amounts to 65 mm (2.6 in), distributed over 7 days.
The day lasts on average 12 hours and 0 minutes.
There are on average 8 hours of sunshine per day. So, the sun shines 66% of the time.
The average humidity is 60%.
The average wind speed is 21 kph (13 mph).
April is generally a very mild month. However, there are remarkable differences between night and day. The average temperature is of 15.2 °C (59 °F), with a minimum of 8.6 °C (47.5 °F) and a maximum of 21.7 °C (71.1 °F).
On the coldest nights, which normally occur at the beginning of the month, the temperature usually drops to around 0 °C (32 °F). However, it dropped to -4.4 °C (24.1 °F) in April 2018.
On the warmest days, which normally occur at the end of the month, the temperature usually reaches around 30.5 °C (87 °F). However, it reached 36.7 °C (98.1 °F) in April 2006.
Precipitation amounts to 90 mm (3.5 in), distributed over 8 days.
The day lasts on average 13 hours and 5 minutes.
There are on average 9 hours of sunshine per day. So, the sun shines 69% of the time.
The average humidity is 62%.
The average wind speed is 22 kph (13 mph).
May is generally a warm month. The average temperature is of 20.1 °C (68 °F), with a minimum of 14.2 °C (57.6 °F) and a maximum of 26.1 °C (78.9 °F).
On the coldest nights, which normally occur at the beginning of the month, the temperature usually drops to around 6.5 °C (44 °F). However, it dropped to 1.1 °C (34 °F) in May 2013.
On the warmest days, which normally occur at the end of the month, the temperature usually reaches around 33.5 °C (92.5 °F). However, it reached 38.9 °C (102 °F) in May 2003.
Precipitation amounts to 135 mm (5.3 in), distributed over 10 days.
The day lasts on average 14 hours and 5 minutes. So the days are long.
There are on average 9.5 hours of sunshine per day. So, the sun shines 68% of the time.
The average humidity is 68%.
The average wind speed is 19 kph (12 mph).
June is generally a warm to hot month. The average temperature is of 24.9 °C (77 °F), with a minimum of 19 °C (66.2 °F) and a maximum of 30.8 °C (87.5 °F).
On the coldest nights, which normally occur at the beginning of the month, the temperature usually drops to around 13.5 °C (56.5 °F). However, it dropped to 10 °C (50 °F) in June 1998.
On the warmest days, which normally occur at the end of the month, the temperature usually reaches around 36 °C (96.5 °F). However, it reached 41 °C (105.8 °F) in June 1998.
Precipitation amounts to 115 mm (4.5 in), distributed over 9 days.
The day lasts on average 14 hours and 30 minutes. So the days are long. June 21, the summer solstice, is the longest day of the year in the Northern Hemisphere.
There are on average 11 hours of sunshine per day. So, the sun shines 75% of the time.
The average humidity is 67%.
The average wind speed is 17 kph (11 mph).
July, the hottest month of the year, is generally a very hot month. The average temperature is of 27.6 °C (82 °F), with a minimum of 21.3 °C (70.3 °F) and a maximum of 33.9 °C (93.1 °F).
On the coldest nights of the month, the temperature usually drops to around 17.5 °C (63 °F). However, it dropped to 14.4 °C (57.9 °F) in July 1994.
On the warmest days of the month, the temperature usually reaches around 39 °C (102.5 °F). However, it reached 43.3 °C (109.9 °F) in July 2011.
Precipitation amounts to 90 mm (3.5 in), distributed over 6 days.
The day lasts on average 14 hours and 20 minutes. So the days are long.
There are on average 11.5 hours of sunshine per day. So, the sun shines 80% of the time.
The average humidity is 62%.
The average wind speed is 16 kph (10 mph).
August is generally a warm to hot month. The average temperature is of 27 °C (81 °F), with a minimum of 20.6 °C (69.1 °F) and a maximum of 33.4 °C (92.2 °F).
On the coldest nights of the month, the temperature usually drops to around 16.5 °C (62 °F). However, it dropped to 11.7 °C (53.1 °F) in August 1994.
On the warmest days of the month, the temperature usually reaches around 38.5 °C (101.5 °F). However, it reached 45 °C (113 °F) in August 2012.
Precipitation amounts to 90 mm (3.5 in), distributed over 7 days.
The day lasts on average 13 hours and 25 minutes.
There are on average 10.5 hours of sunshine per day. So, the sun shines 79% of the time.
The average humidity is 61%.
The average wind speed is 15 kph (9 mph).
September is generally a warm to hot month. The average temperature is of 22.6 °C (73 °F), with a minimum of 16.4 °C (61.5 °F) and a maximum of 28.8 °C (83.9 °F).
On the coldest nights, which normally occur at the end of the month, the temperature usually drops to around 9 °C (48.5 °F). However, it dropped to 3.3 °C (37.9 °F) in September 1995.
On the warmest days, which normally occur at the beginning of the month, the temperature usually reaches around 35.5 °C (96.5 °F). However, it reached 42.2 °C (108 °F) in September 2000.
Precipitation amounts to 95 mm (3.7 in), distributed over 7 days.
The day lasts on average 12 hours and 20 minutes.
There are on average 9 hours of sunshine per day. So, the sun shines 71% of the time.
The average humidity is 65%.
The average wind speed is 15 kph (10 mph).
October is generally a very mild month. The average temperature is of 16.2 °C (61 °F), with a minimum of 9.7 °C (49.4 °F) and a maximum of 22.7 °C (72.8 °F).
On the coldest nights, which normally occur at the end of the month, the temperature usually drops to around 1 °C (34 °F). However, it dropped to -8.9 °C (16 °F) in October 1993.
On the warmest days, which normally occur at the beginning of the month, the temperature usually reaches around 31.5 °C (89 °F). However, it reached 35 °C (95 °F) in October 2000.
Precipitation amounts to 85 mm (3.3 in), distributed over 8 days.
The day lasts on average 11 hours and 10 minutes.
There are on average 8 hours of sunshine per day. So, the sun shines 71% of the time.
The average humidity is 64%.
The average wind speed is 18 kph (11 mph).
November is generally a mild month. The average temperature is of 9.6 °C (49 °F), with a minimum of 3.2 °C (37.7 °F) and a maximum of 15.9 °C (60.7 °F).
On the coldest nights, which normally occur at the end of the month, the temperature usually drops to around -5.5 °C (22 °F). However, it dropped to -11.7 °C (10.9 °F) in November 1991.
On the warmest days, which normally occur at the beginning of the month, the temperature usually reaches around 26 °C (79 °F). However, it reached 30 °C (86 °F) in November 2005.
Precipitation amounts to 45 mm (1.8 in), distributed over 6 days.
The day lasts on average 10 hours and 20 minutes.
There are on average 6 hours of sunshine per day. So, the sun shines 60% of the time.
The average humidity is 65%.
The average wind speed is 19 kph (12 mph).
December is generally a quite cold month. The average temperature is of 4.4 °C (40 °F), with a minimum of -1.4 °C (29.5 °F) and a maximum of 10.2 °C (50.4 °F).
On the coldest nights of the month, the temperature usually drops to around -9.5 °C (14.5 °F). However, it dropped to -15 °C (5 °F) in December 2013.
On the warmest days of the month, the temperature usually reaches around 22 °C (71 °F). However, it reached 26.1 °C (79 °F) in December 2012.
Precipitation amounts to 45 mm (1.8 in), distributed over 6 days.
The day lasts on average 9 hours and 50 minutes. December 21, the winter solstice, is the shortest day of the year in the Northern Hemisphere.
There are on average 6 hours of sunshine per day. So, the sun shines 59% of the time.
The average humidity is 66%.
The average wind speed is 18 kph (11 mph).