Red Rock weather by month
What a typical year looks like in Red Rock, Arizona: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Picacho 8 SE, 10 km from Red Rock; records cover 1987–2026.
The year at a glance
- Precipitation a year
- 10 in253 mm
- Snow a year
- Rare
- Last spring freeze
- Feb 6
- First fall freeze
- Dec 4
- Heating degree days
- 1,258
- Cooling degree days
- 3,939
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are 29°−2° (heating, 99%) and 112°44° (cooling, 1%).
Month by month
Red Rock in January
Highs average 67°19° and lows 41°5°, with 1 in26 mm of precipitation in a typical January.
- Record high
- 85°29° (2000)
- Record low
- 18°−8° (2007)
- Heating degree days
- 347
- Cooling degree days
- 1
Red Rock in February
Highs average 71°21° and lows 43°6°, with 1.2 in29 mm of precipitation in a typical February.
- Record high
- 92°33° (2026)
- Record low
- 19°−7° (2011)
- Heating degree days
- 232
- Cooling degree days
- 7
Red Rock in March
Highs average 78°26° and lows 48°9°, with 0.9 in23 mm of precipitation in a typical March.
- Record high
- 106°41° (2026)
- Record low
- 28°−2° (2008)
- Heating degree days
- 119
- Cooling degree days
- 59
Red Rock in April
Highs average 86°30° and lows 54°12°, with 0.28 in7.1 mm of precipitation in a typical April.
- Record high
- 105°41° (1989)
- Record low
- 36°2° (1998)
- Heating degree days
- 31
- Cooling degree days
- 179
Red Rock in May
Highs average 95°35° and lows 63°17°, with 0.22 in5.6 mm of precipitation in a typical May.
- Record high
- 112°44° (2000)
- Record low
- 42°6° (1988)
- Heating degree days
- 2
- Cooling degree days
- 429
Red Rock in June
Highs average 104°40° and lows 72°22°, with 0.2 in5.1 mm of precipitation in a typical June.
- Record high
- 118°48° (1990)
- Record low
- 50°10° (1993)
- Heating degree days
- 0
- Cooling degree days
- 691
Red Rock in July
Highs average 104°40° and lows 78°26°, with 1.3 in32 mm of precipitation in a typical July.
- Record high
- 119°48° (1995)
- Record low
- 62°17° (2019)
- Heating degree days
- 0
- Cooling degree days
- 814
Red Rock in August
Highs average 103°39° and lows 78°25°, with 1.9 in47 mm of precipitation in a typical August.
- Record high
- 114°46° (1993)
- Record low
- 62°17° (2005)
- Heating degree days
- 0
- Cooling degree days
- 778
Red Rock in September
Highs average 99°37° and lows 72°22°, with 0.92 in23 mm of precipitation in a typical September.
- Record high
- 114°46° (2020)
- Record low
- 52°11° (2004)
- Heating degree days
- 0
- Cooling degree days
- 609
Red Rock in OctoberThis month
Highs average 89°32° and lows 60°16°, with 0.49 in12 mm of precipitation in a typical October.
- Record high
- 111°44° (2024)
- Record low
- 35°2° (2019)
- Heating degree days
- 12
- Cooling degree days
- 308
Red Rock in November
Highs average 76°25° and lows 49°9°, with 0.51 in13 mm of precipitation in a typical November.
- Record high
- 100°38° (2020)
- Record low
- 25°−4° (2005)
- Heating degree days
- 137
- Cooling degree days
- 62
Red Rock in December
Highs average 66°19° and lows 40°5°, with 1.2 in29 mm of precipitation in a typical December.
- Record high
- 84°29° (2023)
- Record low
- 20°−7° (1998)
- Heating degree days
- 378
- Cooling degree days
- 2