Sonora weather by month
What a typical year looks like in Sonora, Texas: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Sonora, 2 km from Sonora; records cover 1902–2026.
The year at a glance
- Precipitation a year
- 22.7 in576 mm
- Snow a year
- Rare
- Last spring freeze
- Apr 7
- First fall freeze
- Oct 31
- Heating degree days
- 2,265
- Cooling degree days
- 2,566
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are 16°−9° (heating, 99%) and 102°39° (cooling, 1%).
Month by month
Sonora in January
Highs average 61°16° and lows 31°−1°, with 1 in26 mm of precipitation in a typical January.
- Record high
- 87°31° (1969)
- Record low
- 1°−17° (1963)
- Heating degree days
- 593
- Cooling degree days
- 1
Sonora in February
Highs average 66°19° and lows 35°2°, with 1.2 in31 mm of precipitation in a typical February.
- Record high
- 96°36° (1904)
- Record low
- −8°−22° (1951)
- Heating degree days
- 409
- Cooling degree days
- 3
Sonora in March
Highs average 73°23° and lows 43°6°, with 1.6 in39 mm of precipitation in a typical March.
- Record high
- 97°36° (1908)
- Record low
- 11°−12° (2002)
- Heating degree days
- 239
- Cooling degree days
- 27
Sonora in April
Highs average 81°27° and lows 51°11°, with 1.7 in43 mm of precipitation in a typical April.
- Record high
- 102°39° (1996)
- Record low
- 19°−7° (1991)
- Heating degree days
- 80
- Cooling degree days
- 110
Sonora in May
Highs average 88°31° and lows 62°17°, with 2.4 in60 mm of precipitation in a typical May.
- Record high
- 107°42° (1984)
- Record low
- 32°0° (1903)
- Heating degree days
- 8
- Cooling degree days
- 310
Sonora in June
Highs average 94°34° and lows 69°21°, with 2.6 in67 mm of precipitation in a typical June.
- Record high
- 109°43° (1980)
- Record low
- 42°6° (1970)
- Heating degree days
- 0
- Cooling degree days
- 493
Sonora in July
Highs average 96°35° and lows 72°22°, with 2.3 in58 mm of precipitation in a typical July.
- Record high
- 109°43° (2016)
- Record low
- 46°8° (2026)
- Heating degree days
- 0
- Cooling degree days
- 575
Sonora in August
Highs average 96°35° and lows 71°21°, with 2.6 in66 mm of precipitation in a typical August.
- Record high
- 108°42° (1986)
- Record low
- 45°7° (1915)
- Heating degree days
- 0
- Cooling degree days
- 564
Sonora in September
Highs average 89°32° and lows 64°18°, with 3.2 in82 mm of precipitation in a typical September.
- Record high
- 107°42° (2000)
- Record low
- 29°−2° (1989)
- Heating degree days
- 5
- Cooling degree days
- 346
Sonora in OctoberThis month
Highs average 81°27° and lows 52°11°, with 2.2 in55 mm of precipitation in a typical October.
- Record high
- 102°39° (1951)
- Record low
- 18°−8° (1989)
- Heating degree days
- 76
- Cooling degree days
- 124
Sonora in November
Highs average 70°21° and lows 41°5°, with 1.2 in30 mm of precipitation in a typical November.
- Record high
- 92°33° (2025)
- Record low
- 9°−13° (1950)
- Heating degree days
- 302
- Cooling degree days
- 12
Sonora in December
Highs average 62°17° and lows 32°0°, with 0.74 in19 mm of precipitation in a typical December.
- Record high
- 90°32° (1955)
- Record low
- 3°−16° (1983)
- Heating degree days
- 553
- Cooling degree days
- 1