Cactus Forest weather by month
What a typical year looks like in Cactus Forest, Arizona: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at CASA GRANDE NATL MONUMENT, 21 km from Cactus Forest; records cover 1908–2026.
The year at a glance
- Precipitation a year
- 8.3 in210 mm
- Snow a year
- Rare
- Last spring freeze
- Feb 25
- First fall freeze
- Nov 24
- Heating degree days
- 1,452
- Cooling degree days
- 3,775
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are 25°−4° (heating, 99%) and 115°46° (cooling, 1%).
Month by month
Cactus Forest in January
Highs average 68°20° and lows 37°3°, with 0.98 in25 mm of precipitation in a typical January.
- Record high
- 89°32° (1935)
- Record low
- 8°−13° (1913)
- Heating degree days
- 394
- Cooling degree days
- 0
Cactus Forest in February
Highs average 71°22° and lows 40°4°, with 1 in26 mm of precipitation in a typical February.
- Record high
- 93°34° (1940)
- Record low
- 11°−12° (1975)
- Heating degree days
- 269
- Cooling degree days
- 3
Cactus Forest in March
Highs average 78°26° and lows 45°7°, with 0.94 in24 mm of precipitation in a typical March.
- Record high
- 106°41° (2026)
- Record low
- 21°−6° (1971)
- Heating degree days
- 143
- Cooling degree days
- 40
Cactus Forest in April
Highs average 86°30° and lows 51°10°, with 0.25 in6.4 mm of precipitation in a typical April.
- Record high
- 106°41° (1943)
- Record low
- 25°−4° (1945)
- Heating degree days
- 41
- Cooling degree days
- 149
Cactus Forest in May
Highs average 95°35° and lows 59°15°, with 0.2 in5.1 mm of precipitation in a typical May.
- Record high
- 116°47° (1951)
- Record low
- 32°0° (1967)
- Heating degree days
- 4
- Cooling degree days
- 382
Cactus Forest in June
Highs average 105°41° and lows 68°20°, with 0.06 in1.5 mm of precipitation in a typical June.
- Record high
- 123°51° (1994)
- Record low
- 44°7° (1950)
- Heating degree days
- 0
- Cooling degree days
- 646
Cactus Forest in July
Highs average 107°41° and lows 77°25°, with 1.1 in28 mm of precipitation in a typical July.
- Record high
- 123°51° (1995)
- Record low
- 51°11° (1956)
- Heating degree days
- 0
- Cooling degree days
- 832
Cactus Forest in August
Highs average 105°41° and lows 77°25°, with 1.2 in31 mm of precipitation in a typical August.
- Record high
- 120°49° (1995)
- Record low
- 55°13° (1968)
- Heating degree days
- 0
- Cooling degree days
- 798
Cactus Forest in September
Highs average 101°38° and lows 70°21°, with 0.7 in18 mm of precipitation in a typical September.
- Record high
- 117°47° (2024)
- Record low
- 37°3° (1993)
- Heating degree days
- 0
- Cooling degree days
- 607
Cactus Forest in OctoberThis month
Highs average 91°33° and lows 56°13°, with 0.48 in12 mm of precipitation in a typical October.
- Record high
- 111°44° (1980)
- Record low
- 25°−4° (1971)
- Heating degree days
- 18
- Cooling degree days
- 278
Cactus Forest in November
Highs average 78°25° and lows 44°7°, with 0.49 in12 mm of precipitation in a typical November.
- Record high
- 97°36° (1965)
- Record low
- 17°−8° (1956)
- Heating degree days
- 167
- Cooling degree days
- 40
Cactus Forest in December
Highs average 67°19° and lows 36°2°, with 0.77 in20 mm of precipitation in a typical December.
- Record high
- 89°32° (1939)
- Record low
- 14°−10° (1953)
- Heating degree days
- 416
- Cooling degree days
- 0