Greenehaven weather by month
What a typical year looks like in Greenehaven, Arizona: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Big Water, 13 km from Greenehaven; records cover 1962–2026.
The year at a glance
- Precipitation a year
- 7.7 in195 mm
- Snow a year
- Rare
- Last spring freeze
- Apr 13
- First fall freeze
- Oct 30
- Heating degree days
- 4,353
- Cooling degree days
- 1,681
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are 14°−10° (heating, 99%) and 105°41° (cooling, 1%).
Month by month
Greenehaven in January
Highs average 45°7° and lows 23°−5°, with 0.72 in18 mm of precipitation in a typical January.
- Record high
- 71°22° (1996)
- Record low
- −6°−21° (1963)
- Heating degree days
- 953
- Cooling degree days
- 0
Greenehaven in February
Highs average 52°11° and lows 28°−2°, with 0.81 in21 mm of precipitation in a typical February.
- Record high
- 77°25° (1989)
- Record low
- −3°−19° (1989)
- Heating degree days
- 693
- Cooling degree days
- 0
Greenehaven in March
Highs average 63°17° and lows 35°1°, with 0.72 in18 mm of precipitation in a typical March.
- Record high
- 85°29° (1998)
- Record low
- 15°−9° (1966)
- Heating degree days
- 510
- Cooling degree days
- 0
Greenehaven in April
Highs average 71°22° and lows 41°5°, with 0.53 in13 mm of precipitation in a typical April.
- Record high
- 96°36° (1989)
- Record low
- 21°−6° (1995)
- Heating degree days
- 277
- Cooling degree days
- 8
Greenehaven in May
Highs average 81°27° and lows 50°10°, with 0.51 in13 mm of precipitation in a typical May.
- Record high
- 104°40° (2002)
- Record low
- 28°−2° (1964)
- Heating degree days
- 91
- Cooling degree days
- 99
Greenehaven in June
Highs average 93°34° and lows 59°15°, with 0.2 in5.1 mm of precipitation in a typical June.
- Record high
- 111°44° (1990)
- Record low
- 37°3° (1993)
- Heating degree days
- 5
- Cooling degree days
- 341
Greenehaven in July
Highs average 98°37° and lows 67°19°, with 0.47 in12 mm of precipitation in a typical July.
- Record high
- 112°44° (1989)
- Record low
- 51°11° (1995)
- Heating degree days
- 0
- Cooling degree days
- 541
Greenehaven in August
Highs average 95°35° and lows 65°18°, with 0.91 in23 mm of precipitation in a typical August.
- Record high
- 109°43° (2026)
- Record low
- 46°8° (1968)
- Heating degree days
- 0
- Cooling degree days
- 460
Greenehaven in September
Highs average 87°30° and lows 56°13°, with 0.81 in21 mm of precipitation in a typical September.
- Record high
- 105°41° (2022)
- Record low
- 37°3° (1970)
- Heating degree days
- 19
- Cooling degree days
- 214
Greenehaven in OctoberThis month
Highs average 72°22° and lows 44°6°, with 1 in25 mm of precipitation in a typical October.
- Record high
- 97°36° (2024)
- Record low
- 15°−9° (2019)
- Heating degree days
- 242
- Cooling degree days
- 18
Greenehaven in November
Highs average 57°14° and lows 32°0°, with 0.43 in11 mm of precipitation in a typical November.
- Record high
- 91°33° (1995)
- Record low
- 13°−11° (1964)
- Heating degree days
- 624
- Cooling degree days
- 0
Greenehaven in December
Highs average 45°7° and lows 25°−4°, with 0.56 in14 mm of precipitation in a typical December.
- Record high
- 69°21° (2017)
- Record low
- −3°−19° (1990)
- Heating degree days
- 939
- Cooling degree days
- 0