Sonoita weather by month
What a typical year looks like in Sonoita, Arizona: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Elgin 5 S, 15 km from Sonoita; records cover 2002–2026.
The year at a glance
- Precipitation a year
- 15.4 in390 mm
- Snow a year
- Rare
- Last spring freeze
- Apr 17
- First fall freeze
- Nov 3
- Heating degree days
- 3,074
- Cooling degree days
- 1,184
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are 17°−8° (heating, 99%) and 98°37° (cooling, 1%).
Month by month
Sonoita in January
Highs average 60°16° and lows 29°−2°, with 1.2 in30 mm of precipitation in a typical January.
- Record high
- 77°25° (2025)
- Record low
- 3°−16° (2013)
- Heating degree days
- 639
- Cooling degree days
- 0
Sonoita in February
Highs average 62°17° and lows 31°−1°, with 1 in26 mm of precipitation in a typical February.
- Record high
- 84°29° (2009)
- Record low
- 3°−16° (2011)
- Heating degree days
- 514
- Cooling degree days
- 0
Sonoita in March
Highs average 68°20° and lows 35°2°, with 0.66 in17 mm of precipitation in a typical March.
- Record high
- 93°34° (2026)
- Record low
- 16°−9° (2007)
- Heating degree days
- 416
- Cooling degree days
- 0
Sonoita in April
Highs average 75°24° and lows 40°4°, with 0.19 in4.8 mm of precipitation in a typical April.
- Record high
- 92°33° (2012)
- Record low
- 19°−7° (2023)
- Heating degree days
- 237
- Cooling degree days
- 4
Sonoita in May
Highs average 83°28° and lows 48°9°, with 0.24 in6.1 mm of precipitation in a typical May.
- Record high
- 99°37° (2005)
- Record low
- 26°−3° (2010)
- Heating degree days
- 74
- Cooling degree days
- 85
Sonoita in June
Highs average 92°33° and lows 57°14°, with 0.61 in15 mm of precipitation in a typical June.
- Record high
- 106°41° (2017)
- Record low
- 39°4° (2020)
- Heating degree days
- 1
- Cooling degree days
- 286
Sonoita in July
Highs average 89°32° and lows 63°17°, with 3.9 in99 mm of precipitation in a typical July.
- Record high
- 102°39° (2005)
- Record low
- 50°10° (2026)
- Heating degree days
- 0
- Cooling degree days
- 347
Sonoita in August
Highs average 87°30° and lows 61°16°, with 3.4 in87 mm of precipitation in a typical August.
- Record high
- 102°39° (2023)
- Record low
- 48°9° (2017)
- Heating degree days
- 0
- Cooling degree days
- 279
Sonoita in September
Highs average 85°29° and lows 55°13°, with 1.7 in44 mm of precipitation in a typical September.
- Record high
- 99°37° (2023)
- Record low
- 38°3° (2017)
- Heating degree days
- 8
- Cooling degree days
- 158
Sonoita in OctoberThis month
Highs average 78°26° and lows 45°7°, with 0.77 in20 mm of precipitation in a typical October.
- Record high
- 94°34° (2024)
- Record low
- 20°−7° (2020)
- Heating degree days
- 132
- Cooling degree days
- 25
Sonoita in November
Highs average 68°20° and lows 35°2°, with 0.61 in15 mm of precipitation in a typical November.
- Record high
- 85°29° (2017)
- Record low
- 13°−11° (2010)
- Heating degree days
- 413
- Cooling degree days
- 0
Sonoita in December
Highs average 59°15° and lows 29°−1°, with 1.1 in27 mm of precipitation in a typical December.
- Record high
- 79°26° (2025)
- Record low
- 11°−12° (2003)
- Heating degree days
- 640
- Cooling degree days
- 0