Climate - San Angelo (Texas)

The climate of San Angelo is subtropical, with quite mild winters and very hot, sunny summers.
The city is located in west-central Texas, at 570 meters (1,870 feet) above sea level, and is windy and exposed to clashes between air masses which cause sudden changes in temperature.
In winter, from December to February, the days are quite mild, but at night, the temperature drops a lot.
In addition, every now and then, there may be cold spells and snowfalls. On average, 5.5 cm (2.2 in) of snow fall per year. On the coldest days of the year, the temperature drops to -8/-10 °C (14/18 °F), but sometimes even to lower values. The record is -20.5 °C (-5 °F), recorded in December 1983. In February 2021, the thermometer touched -18.5 °C (-1.5 °F).
On the other hand, air masses from Mexico can bring the temperature to 25 °C (77 °F) or above even in the middle of winter.
The summer, from June to September, is very hot and sunny, with some thunderstorms. Despite the altitude, San Angelo is a particularly hot city. Sometimes it can get hot even in late April and in October.
On the hottest days of the year, the temperature reaches 40/41 °C (104/106 °F). The record is 43.5 °C (110 °F), set in late June 1994, in late May 2011 and in July 2020.
In 2020, the temperature reached 40.5 °C (105 °F) in late April, 41 °C (106 °F) in early May, 43.5 °C (110.5 °F) in mid-July, and 38.5 °C (101 °F) on 11 and 12 October. But in late October there was an early snowfall.
From April to June (and more rarely in autumn), tornadoes can also develop (we are actually on the edge of "Tornado Alley").
The average temperature of the coldest month (January) is of 8.6 °C (47 °F), that of the warmest month (July) is of 29.3 °C (85 °F). Here are the average temperatures.

Precipitation amounts to 530 millimeters (20.9 inches) per year: so, it is at an intermediate level. It ranges from 25 mm (1 in) in the driest months (January, December) to 75 mm (3 in) in the wettest (May). In fact, we are halfway between the arid zone of Texas, the western one, and the rainy zone, the eastern one. Here is the average precipitation.

Best Time

In San Angelo, 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.

Return to the climate of Texas.

San Angelo - Weather by month

Based on the period 1991-2020

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In January, the coldest month of the year, the weather in San Angelo is usually mild. However, there are remarkable differences between night and day. The average temperature is of 8.6 °C (47 °F), with a minimum of 0.9 °C (33.7 °F) and a maximum of 16.2 °C (61.1 °F).
On the coldest nights of the month, the temperature usually drops to around -7.5 °C (18 °F). However, it dropped to -12.8 °C (9 °F) in January 2014.
On the warmest days of the month, the temperature usually reaches around 27 °C (80 °F). However, it reached 31 °C (87.8 °F) in January 2000.
Precipitation amounts to 25 mm (1 in), distributed over 4 days.
The day lasts on average 10 hours and 25 minutes.
The average humidity is 57%.
The average wind speed is 15 kph (9 mph).

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In February, the weather in San Angelo is usually mild. However, there are remarkable differences between night and day. The average temperature is of 10.8 °C (52 °F), with a minimum of 3.1 °C (37.6 °F) and a maximum of 18.6 °C (65.4 °F).
On the coldest nights of the month, the temperature usually drops to around -6 °C (21 °F). However, it dropped to -13.9 °C (7 °F) in February 1996.
On the warmest days of the month, the temperature usually reaches around 29 °C (84.5 °F). However, it reached 36.1 °C (97 °F) in February 1996.
Precipitation amounts to 30 mm (1.2 in), distributed over 5 days.
The day lasts on average 11 hours and 5 minutes.
The average humidity is 55%.
The average wind speed is 16 kph (10 mph).

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In March, the weather in San Angelo is usually very mild. However, there are remarkable differences between night and day. The average temperature is of 15.2 °C (59 °F), with a minimum of 7.6 °C (45.6 °F) and a maximum of 22.8 °C (73.1 °F).
On the coldest nights, which normally occur at the beginning of the month, the temperature usually drops to around -3.5 °C (25.5 °F). However, it dropped to -9.5 °C (14.9 °F) in March 1996.
On the warmest days, which normally occur at the end of the month, the temperature usually reaches around 32 °C (89.5 °F). However, it reached 35 °C (95 °F) in March 2006.
Precipitation amounts to 40 mm (1.6 in), distributed over 5 days.
The day lasts on average 12 hours and 0 minutes.
The average humidity is 53%.
The average wind speed is 17 kph (11 mph).

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In April, the weather in San Angelo is usually warm. However, there are remarkable differences between night and day. The average temperature is of 19.5 °C (67 °F), with a minimum of 11.4 °C (52.5 °F) and a maximum of 27.6 °C (81.7 °F).
On the coldest nights, which normally occur at the beginning of the month, the temperature usually drops to around 1 °C (33.5 °F). However, it dropped to -3.3 °C (26.1 °F) in April 2009.
On the warmest days, which normally occur at the end of the month, the temperature usually reaches around 35.5 °C (95.5 °F). However, it reached 40.6 °C (105.1 °F) in April 2012.
Precipitation amounts to 35 mm (1.4 in), distributed over 4 days.
The day lasts on average 13 hours and 0 minutes.
The average humidity is 50%.
The average wind speed is 18 kph (11 mph).

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In May, the weather in San Angelo is usually warm to hot. However, there are remarkable differences between night and day. The average temperature is of 24.2 °C (75 °F), with a minimum of 16.8 °C (62.3 °F) and a maximum of 31.5 °C (88.7 °F).
On the coldest nights, which normally occur at the beginning of the month, the temperature usually drops to around 7 °C (44.5 °F). However, it dropped to 1.7 °C (35.1 °F) in May 2013.
On the warmest days, which normally occur at the end of the month, the temperature usually reaches around 38.5 °C (101 °F). However, it reached 43.3 °C (109.9 °F) in May 2011.
Precipitation amounts to 75 mm (3 in), distributed over 7 days.
The day lasts on average 13 hours and 50 minutes.
The average humidity is 55%.
The average wind speed is 17 kph (10 mph).

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In June, the weather in San Angelo is usually very hot. However, there are remarkable differences between night and day. The average temperature is of 27.9 °C (82 °F), with a minimum of 21.1 °C (70 °F) and a maximum of 34.7 °C (94.4 °F).
On the coldest nights, the temperature usually drops to around 15 °C (59.5 °F). However, it dropped to 11.1 °C (52 °F) in June 1995.
On the warmest days, the temperature usually reaches around 39.5 °C (103 °F). However, it reached 43.3 °C (109.9 °F) in June 1994.
Precipitation amounts to 60 mm (2.4 in), distributed over 6 days.
The day lasts on average 14 hours and 10 minutes. So the days are long. June 21, the summer solstice, is the longest day of the year in the Northern Hemisphere.
The average humidity is 55%.
The average wind speed is 16 kph (10 mph).

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In July, the hottest month of the year, the weather in San Angelo is usually very hot. However, there are remarkable differences between night and day. The average temperature is of 29.4 °C (85 °F), with a minimum of 22.4 °C (72.3 °F) and a maximum of 36.3 °C (97.4 °F).
On the coldest nights of the month, the temperature usually drops to around 18.5 °C (65.5 °F). However, it dropped to 13.9 °C (57 °F) in July 2013.
On the warmest days of the month, the temperature usually reaches around 40 °C (104 °F). However, it reached 43.3 °C (109.9 °F) in July 2020.
Precipitation amounts to 30 mm (1.2 in), distributed over 4 days.
The day lasts on average 13 hours and 55 minutes.
The average humidity is 50%.
The average wind speed is 14 kph (9 mph).

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In August, the weather in San Angelo is usually very hot. However, there are remarkable differences between night and day. The average temperature is of 29.0 °C (84 °F), with a minimum of 22 °C (71.6 °F) and a maximum of 35.9 °C (96.7 °F).
On the coldest nights of the month, the temperature usually drops to around 17 °C (63 °F). However, it dropped to 12.2 °C (54 °F) in August 1992.
On the warmest days of the month, the temperature usually reaches around 39.5 °C (103.5 °F). However, it reached 42.8 °C (109 °F) in August 2019.
Precipitation amounts to 60 mm (2.4 in), distributed over 6 days.
The day lasts on average 13 hours and 10 minutes.
The average humidity is 52%.
The average wind speed is 13 kph (8 mph).

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In September, the weather in San Angelo is usually warm to hot. However, there are remarkable differences between night and day. The average temperature is of 25 °C (77 °F), with a minimum of 18.1 °C (64.6 °F) and a maximum of 31.9 °C (89.4 °F).
On the coldest nights, the temperature usually drops to around 9.5 °C (49.5 °F). However, it dropped to 3 °C (37.4 °F) in September 2000.
On the warmest days, the temperature usually reaches around 37.5 °C (99 °F). However, it reached 41.7 °C (107.1 °F) in September 2005.
Precipitation amounts to 65 mm (2.6 in), distributed over 5 days.
The day lasts on average 12 hours and 20 minutes.
The average humidity is 59%.
The average wind speed is 12 kph (8 mph).

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In October, the weather in San Angelo is usually warm. However, there are remarkable differences between night and day. The average temperature is of 19.5 °C (67 °F), with a minimum of 12.1 °C (53.8 °F) and a maximum of 26.9 °C (80.5 °F).
On the coldest nights, which normally occur at the end of the month, the temperature usually drops to around 2 °C (35 °F). However, it dropped to -5.6 °C (21.9 °F) in October 2019.
On the warmest days, which normally occur at the beginning of the month, the temperature usually reaches around 34 °C (93.5 °F). However, it reached 38.3 °C (100.9 °F) in October 2020.
Precipitation amounts to 60 mm (2.4 in), distributed over 6 days.
The day lasts on average 11 hours and 25 minutes.
The average humidity is 59%.
The average wind speed is 14 kph (8 mph).

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In November, the weather in San Angelo is usually mild. However, there are remarkable differences between night and day. The average temperature is of 13.3 °C (56 °F), with a minimum of 5.9 °C (42.6 °F) and a maximum of 20.7 °C (69.2 °F).
On the coldest nights, which normally occur at the end of the month, the temperature usually drops to around -4 °C (24.5 °F). However, it dropped to -8 °C (17.6 °F) in November 2003.
On the warmest days, which normally occur at the beginning of the month, the temperature usually reaches around 29.5 °C (85 °F). However, it reached 35 °C (95 °F) in November 2010.
Precipitation amounts to 30 mm (1.2 in), distributed over 4 days.
The day lasts on average 10 hours and 30 minutes.
The average humidity is 60%.
The average wind speed is 15 kph (9 mph).

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In December, the weather in San Angelo is usually mild. However, there are remarkable differences between night and day. The average temperature is of 9.1 °C (48 °F), with a minimum of 1.6 °C (34.9 °F) and a maximum of 16.7 °C (62 °F).
On the coldest nights of the month, the temperature usually drops to around -7 °C (20 °F). However, it dropped to -12 °C (10.4 °F) in December 2005.
On the warmest days of the month, the temperature usually reaches around 26.5 °C (80 °F). However, it reached 31.7 °C (89.1 °F) in December 2019.
Precipitation amounts to 25 mm (1 in), distributed over 4 days.
The day lasts on average 10 hours and 5 minutes. December 21, the winter solstice, is the shortest day of the year in the Northern Hemisphere.
The average humidity is 58%.
The average wind speed is 15 kph (9 mph).