Spring Valley weather by month
What a typical year looks like in Spring Valley, Arizona: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Cordes, 5 km from Spring Valley; records cover 1930–2026.
The year at a glance
- Precipitation a year
- 15.2 in387 mm
- Snow a year
- 1.2 in3 cm
- Last spring freeze
- Mar 31
- First fall freeze
- Nov 11
- Heating degree days
- 2,816
- Cooling degree days
- 1,758
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are 24°−4° (heating, 99%) and 104°40° (cooling, 1%).
Month by month
Spring Valley in January
Highs average 59°15° and lows 34°1°, with 1.7 in43 mm of precipitation in a typical January.
- Record high
- 81°27° (1971)
- Record low
- 4°−16° (1937)
- Heating degree days
- 581
- Cooling degree days
- 0
Spring Valley in February
Highs average 61°16° and lows 35°2°, with 1.9 in48 mm of precipitation and 0.3 in0.8 cm of snow in a typical February.
- Record high
- 85°29° (1986)
- Record low
- 8°−13° (1933)
- Heating degree days
- 484
- Cooling degree days
- 0
Spring Valley in March
Highs average 67°19° and lows 38°3°, with 1.4 in36 mm of precipitation and 0.1 in0.3 cm of snow in a typical March.
- Record high
- 97°36° (2026)
- Record low
- 15°−9° (1966)
- Heating degree days
- 388
- Cooling degree days
- 1
Spring Valley in April
Highs average 74°23° and lows 42°6°, with 0.44 in11 mm of precipitation and 0.2 in0.5 cm of snow in a typical April.
- Record high
- 93°34° (1989)
- Record low
- 23°−5° (1945)
- Heating degree days
- 224
- Cooling degree days
- 13
Spring Valley in May
Highs average 83°28° and lows 50°10°, with 0.37 in9.4 mm of precipitation in a typical May.
- Record high
- 102°39° (1984)
- Record low
- 29°−2° (1964)
- Heating degree days
- 70
- Cooling degree days
- 106
Spring Valley in June
Highs average 93°34° and lows 58°14°, with 0.14 in3.6 mm of precipitation in a typical June.
- Record high
- 111°44° (1990)
- Record low
- 36°2° (1955)
- Heating degree days
- 4
- Cooling degree days
- 320
Spring Valley in July
Highs average 96°36° and lows 66°19°, with 2 in50 mm of precipitation in a typical July.
- Record high
- 115°46° (1995)
- Record low
- 48°9° (1953)
- Heating degree days
- 0
- Cooling degree days
- 496
Spring Valley in August
Highs average 94°35° and lows 66°19°, with 2.1 in54 mm of precipitation in a typical August.
- Record high
- 109°43° (2025)
- Record low
- 48°9° (1993)
- Heating degree days
- 0
- Cooling degree days
- 464
Spring Valley in September
Highs average 89°32° and lows 60°15°, with 1.6 in40 mm of precipitation in a typical September.
- Record high
- 106°41° (1950)
- Record low
- 38°3° (1941)
- Heating degree days
- 5
- Cooling degree days
- 286
Spring Valley in OctoberThis month
Highs average 79°26° and lows 49°10°, with 1.1 in27 mm of precipitation in a typical October.
- Record high
- 102°39° (2024)
- Record low
- 23°−5° (1971)
- Heating degree days
- 102
- Cooling degree days
- 68
Spring Valley in November
Highs average 67°19° and lows 39°4°, with 1 in26 mm of precipitation and 0.3 in0.8 cm of snow in a typical November.
- Record high
- 88°31° (1999)
- Record low
- 12°−11° (1958)
- Heating degree days
- 357
- Cooling degree days
- 4
Spring Valley in December
Highs average 58°14° and lows 33°1°, with 1.5 in39 mm of precipitation and 0.3 in0.8 cm of snow in a typical December.
- Record high
- 80°27° (1939)
- Record low
- 8°−13° (1990)
- Heating degree days
- 601
- Cooling degree days
- 0