Cotulla, TX

Climate overview — based on NOAA 1991-2020 normals from COTULLA LA SALLE CO AP, TX US.

BSh Semi-arid (hot) climate 9b USDA hardiness Zone 9b

Year-round temperatures (°F)

40° 60° 80° 100° J F M A M J J A S O N D
Avg high Avg low

Climate summary

Cotulla has an annual average temperature of 73°F with about 21.7 inches of precipitation per year. The warmest month is August (average high 100.3°F), and the coldest is January (average low 43.9°F). May is typically the wettest month (3.01 in) and January the driest (0.85 in).

Pleasant months
2 / 12
avg high 65–80°F, low ≥ 50°F
Annual swing
32°F
warmest to coldest month
Heating need
678
Cooling need
3,564

Best time to visit Cotulla

Full guide →

Climate change signal

All-time records →

189 of 366 (51.6%) of Cotulla's all-time daily heat records have been set since 2015. If records were spread evenly across the station's history, only about 5% would fall in any given decade.

1940s
0
1950s
35
1960s
24
1970s
37
2000s
45
2010s
71
2020s
154

Bars: number of all-time daily heat records still standing that were set in each decade.

Monthly averages

Month Avg High Avg Low Avg Temp Precipitation Snow Rainy days
January 67.4°F 43.9°F 55.7°F 0.85 in 6
February 73.6°F 48.3°F 60.9°F 1.26 in 6
March 79.7°F 54.8°F 67.2°F 1.57 in 5
April 86.0°F 60.7°F 73.4°F 1.33 in 5
May 92.8°F 68.6°F 80.7°F 3.01 in 6
June 97.9°F 73.6°F 85.7°F 2.20 in 5
July 99.2°F 74.7°F 87.0°F 2.26 in 6
August 100.3°F 75.0°F 87.7°F 1.67 in 4
September 93.9°F 70.8°F 82.4°F 2.98 in 7
October 86.6°F 62.8°F 74.7°F 2.39 in 5
November 75.7°F 52.4°F 64.0°F 1.15 in 4
December 68.7°F 44.9°F 56.8°F 1.01 in 6

Climate twins of Cotulla

Why these? →

The most climatically similar US cities at least 140 miles away (by monthly temperature + precipitation pattern).

Frost dates
Last spring / first fall frost
All-time records
Hottest, coldest, wettest
Planting calendar
What to plant, and when

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