, with quite cold winters and very hot, muggy summers. The city is windy and exposed to clashes between air masses which cause
, except in summer, when the heat prevails.
The city is located in Oklahoma, on the banks of the Arkansas River and 200 meters (650 feet) above sea level.
of the coldest month (January) is of 3.6 °C (38.5 °F), that of the warmest month (July) is of 28.5 °C (83.3 °F).
amounts to 1,040 millimeters (41 inches) per year.
, 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.
fall per year. The most abundant snowfall that occurred in one day was of 35 cm (13.8 in), in February 2011. The snowiest year was 1958, with 75 cm (29.6 in) of snow.
On average, there are 8 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 °C (-13 °F), set in February 2021.
Typically, the temperature reaches or exceeds 38 °C (100 °F) for 11 days a year. On the hottest days of the year, the temperature reaches 40/41 °C (104/106 °F).
In 2011, scorching heat lasted a long time, and the average maximum temperature was 40.1 °C (104.2 °F) in July and 38.8 °C (101.8 °F) in August.
, 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.
, which generally develop in the period from April to June, and more rarely in autumn.
The city and metropolitan area are prone to flooding from the Arkansas River, as happened in May 2019.
In Tulsa, 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.
. Here are the average temperatures.
January, the coldest month of the year, is generally a cold month. The average temperature is of
3.6 °C, with a minimum of
-2.2 °C and a maximum of
9.4 °C.
On the coldest nights of the month, the temperature usually drops to around
-12 °C. However, it dropped to
-18.9 °C in January 2014.
On the warmest days of the month, the temperature usually reaches around
22 °C. However, it reached
26.7 °C in January 2015.
Precipitation amounts to
40 mm, distributed over 6 days.
The day lasts on average 10 hours and 0 minutes.
There are on average 5.5 hours of sunshine per day. So, the sun shines 57% of the time.
The average humidity is 65%.
The average wind speed is of
15 kph.
February is generally a quite cold month. The average temperature is of
6 °C, with a minimum of
-0.2 °C and a maximum of
12.2 °C.
On the coldest nights of the month, the temperature usually drops to around
-10 °C. However, it dropped to
-24 °C in February 2011.
On the warmest days of the month, the temperature usually reaches around
24.5 °C. However, it reached
32.2 °C in February 1996.
Precipitation amounts to
40 mm, distributed over 7 days.
The day lasts on average 10 hours and 55 minutes.
There are on average 6 hours of sunshine per day. So, the sun shines 56% of the time.
The average humidity is 62%.
The average wind speed is of
15.5 kph.
March is generally a mild month. The average temperature is of
11.1 °C, with a minimum of
4.8 °C and a maximum of
17.4 °C.
On the coldest nights of the month, the temperature usually drops to around
-5.5 °C. However, it dropped to
-15.6 °C in March 2014.
On the warmest days of the month, the temperature usually reaches around
28.5 °C. However, it reached
34.4 °C in March 1995.
Precipitation amounts to
80 mm, distributed over 9 days.
The day lasts on average 12 hours and 0 minutes.
There are on average 7 hours of sunshine per day. So, the sun shines 59% of the time.
The average humidity is 60%.
The average wind speed is of
17.1 kph.
April is generally a very mild month. The average temperature is of
16 °C, with a minimum of
9.7 °C and a maximum of
22.3 °C.
On the coldest nights of the month, the temperature usually drops to around
0.5 °C. However, it dropped to
-3.9 °C in April 2018.
On the warmest days of the month, the temperature usually reaches around
30.5 °C. However, it reached
34 °C in April 2006.
Precipitation amounts to
110 mm, distributed over 9 days.
The day lasts on average 13 hours and 10 minutes.
There are on average 8 hours of sunshine per day. So, the sun shines 62% of the time.
The average humidity is 61%.
The average wind speed is of
17.8 kph.
May is generally a warm month. The average temperature is of
20.9 °C, with a minimum of
15.3 °C and a maximum of
26.5 °C.
On the coldest nights of the month, the temperature usually drops to around
6.5 °C. However, it dropped to
1.7 °C in May 2005.
On the warmest days of the month, the temperature usually reaches around
33 °C. However, it reached
36.1 °C in May 2006.
Precipitation amounts to
145 mm, distributed over 11 days.
The day lasts on average 14 hours and 5 minutes. So the days are long.
There are on average 8.5 hours of sunshine per day. So, the sun shines 61% of the time.
The average humidity is 68%.
The average wind speed is of
15.7 kph.
June is generally a warm to hot month. The average temperature is of
25.9 °C, with a minimum of
20.4 °C and a maximum of
31.3 °C.
On the coldest nights of the month, the temperature usually drops to around
13.5 °C. However, it dropped to
10 °C in June 1998.
On the warmest days of the month, the temperature usually reaches around
35.5 °C. However, it reached
41.1 °C in June 2011.
Precipitation amounts to
120 mm, distributed over 9 days.
The day lasts on average 14 hours and 35 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 10 hours of sunshine per day. So, the sun shines 67% of the time.
The average humidity is 67%.
The average wind speed is of
15.1 kph.
July, the hottest month of the year, is generally a very hot month. The average temperature is of
28.5 °C, with a minimum of
22.8 °C and a maximum of
34.2 °C.
On the coldest nights of the month, the temperature usually drops to around
17.5 °C. However, it dropped to
13.9 °C in July 2014.
On the warmest days of the month, the temperature usually reaches around
39 °C. However, it reached
44.4 °C in July 2012.
Precipitation amounts to
95 mm, distributed over 7 days.
The day lasts on average 14 hours and 20 minutes. So the days are long.
There are on average 11 hours of sunshine per day. So, the sun shines 75% of the time.
The average humidity is 63%.
The average wind speed is of
13.8 kph.
August is generally a very hot month. The average temperature is of
27.9 °C, with a minimum of
21.9 °C and a maximum of
33.9 °C.
On the coldest nights of the month, the temperature usually drops to around
16 °C. However, it dropped to
10 °C in August 2009.
On the warmest days of the month, the temperature usually reaches around
39 °C. However, it reached
45 °C in August 2011.
Precipitation amounts to
85 mm, distributed over 7 days.
The day lasts on average 13 hours and 30 minutes.
There are on average 10 hours of sunshine per day. So, the sun shines 73% of the time.
The average humidity is 63%.
The average wind speed is of
12.4 kph.
September is generally a warm to hot month. The average temperature is of
23.2 °C, with a minimum of
17.1 °C and a maximum of
29.3 °C.
On the coldest nights of the month, the temperature usually drops to around
9 °C. However, it dropped to
2.8 °C in September 1995.
On the warmest days of the month, the temperature usually reaches around
36 °C. However, it reached
42.2 °C in September 2000.
Precipitation amounts to
100 mm, distributed over 8 days.
The day lasts on average 12 hours and 25 minutes.
There are on average 8 hours of sunshine per day. So, the sun shines 62% of the time.
The average humidity is 66%.
The average wind speed is of
12.6 kph.
October is generally a very mild month. The average temperature is of
16.8 °C, with a minimum of
10.5 °C and a maximum of
23.1 °C.
On the coldest nights of the month, the temperature usually drops to around
1 °C. However, it dropped to
-7.8 °C in October 1993.
On the warmest days of the month, the temperature usually reaches around
31.5 °C. However, it reached
34 °C in October 2006.
Precipitation amounts to
95 mm, distributed over 8 days.
The day lasts on average 11 hours and 10 minutes.
There are on average 7 hours of sunshine per day. So, the sun shines 63% of the time.
The average humidity is 65%.
The average wind speed is of
14.1 kph.
November is generally a mild month. The average temperature is of
10.2 °C, with a minimum of
4.1 °C and a maximum of
16.3 °C.
On the coldest nights of the month, the temperature usually drops to around
-5 °C. However, it dropped to
-10 °C in November 1993.
On the warmest days of the month, the temperature usually reaches around
26 °C. However, it reached
31.1 °C in November 2012.
Precipitation amounts to
70 mm, distributed over 7 days.
The day lasts on average 10 hours and 10 minutes.
There are on average 5.5 hours of sunshine per day. So, the sun shines 53% of the time.
The average humidity is 64%.
The average wind speed is of
15.2 kph.
December is generally a quite cold month. The average temperature is of
5 °C, with a minimum of
-0.5 °C and a maximum of
10.5 °C.
On the coldest nights of the month, the temperature usually drops to around
-9.5 °C. However, it dropped to
-18 °C in December 2005.
On the warmest days of the month, the temperature usually reaches around
22 °C. However, it reached
25.6 °C in December 2017.
Precipitation amounts to
60 mm, distributed over 7 days.
The day lasts on average 9 hours and 40 minutes. December 21, the winter solstice, is the shortest day of the year in the Northern Hemisphere.
There are on average 5 hours of sunshine per day. So, the sun shines 54% of the time.
The average humidity is 66%.
The average wind speed is of
14.6 kph.