Cottonwood weather by month
What a typical year looks like in Cottonwood, Arizona: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Jerome, 12 km from Cottonwood; records cover 1897–2026.
The year at a glance
- Precipitation a year
- 17.7 in450 mm
- Snow a year
- 6 in16 cm
- Last spring freeze
- Mar 28
- First fall freeze
- Nov 23
- Heating degree days
- 3,391
- Cooling degree days
- 1,639
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 99°37° (cooling, 1%).
Month by month
Cottonwood in January
Highs average 50°10° and lows 35°1°, with 1.8 in45 mm of precipitation and 1.7 in4.3 cm of snow in a typical January.
- Record high
- 75°24° (1935)
- Record low
- 5°−15° (1963)
- Heating degree days
- 711
- Cooling degree days
- 0
Cottonwood in February
Highs average 53°12° and lows 36°2°, with 1.8 in46 mm of precipitation and 1 in2.5 cm of snow in a typical February.
- Record high
- 82°28° (1898)
- Record low
- 8°−13° (1933)
- Heating degree days
- 567
- Cooling degree days
- 0
Cottonwood in March
Highs average 61°16° and lows 41°5°, with 1.7 in42 mm of precipitation and 1.4 in3.6 cm of snow in a typical March.
- Record high
- 85°29° (1898)
- Record low
- 17°−8° (1971)
- Heating degree days
- 443
- Cooling degree days
- 1
Cottonwood in April
Highs average 68°20° and lows 46°8°, with 0.72 in18 mm of precipitation and 1.4 in3.6 cm of snow in a typical April.
- Record high
- 92°33° (1898)
- Record low
- 23°−5° (1945)
- Heating degree days
- 246
- Cooling degree days
- 15
Cottonwood in May
Highs average 78°25° and lows 55°13°, with 0.51 in13 mm of precipitation in a typical May.
- Record high
- 99°37° (1910)
- Record low
- 26°−3° (1915)
- Heating degree days
- 88
- Cooling degree days
- 125
Cottonwood in June
Highs average 89°32° and lows 66°19°, with 0.32 in8.1 mm of precipitation in a typical June.
- Record high
- 108°42° (2016)
- Record low
- 39°4° (1977)
- Heating degree days
- 5
- Cooling degree days
- 373
Cottonwood in July
Highs average 91°33° and lows 69°20°, with 2.4 in60 mm of precipitation in a typical July.
- Record high
- 108°42° (2003)
- Record low
- 44°7° (1979)
- Heating degree days
- 0
- Cooling degree days
- 462
Cottonwood in August
Highs average 88°31° and lows 67°19°, with 3 in77 mm of precipitation in a typical August.
- Record high
- 105°41° (1933)
- Record low
- 39°4° (1925)
- Heating degree days
- 1
- Cooling degree days
- 385
Cottonwood in September
Highs average 82°28° and lows 62°17°, with 1.6 in42 mm of precipitation in a typical September.
- Record high
- 102°39° (1950)
- Record low
- 40°4° (1965)
- Heating degree days
- 11
- Cooling degree days
- 227
Cottonwood in OctoberThis month
Highs average 71°22° and lows 53°12°, with 1.3 in33 mm of precipitation in a typical October.
- Record high
- 94°34° (1934)
- Record low
- 21°−6° (1971)
- Heating degree days
- 145
- Cooling degree days
- 50
Cottonwood in November
Highs average 59°15° and lows 42°6°, with 0.87 in22 mm of precipitation and 0.1 in0.3 cm of snow in a typical November.
- Record high
- 85°29° (1931)
- Record low
- 16°−9° (1919)
- Heating degree days
- 444
- Cooling degree days
- 1
Cottonwood in December
Highs average 49°9° and lows 34°1°, with 1.7 in43 mm of precipitation and 0.7 in1.8 cm of snow in a typical December.
- Record high
- 75°24° (1925)
- Record low
- 8°−13° (1982)
- Heating degree days
- 730
- Cooling degree days
- 0