Sunsites weather by month
What a typical year looks like in Sunsites, Arizona: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Pearce - Sunsites, 1 km from Sunsites; records cover 1913–2026.
The year at a glance
- Precipitation a year
- 12.2 in310 mm
- Snow a year
- 1.2 in3 cm
- Last spring freeze
- Apr 16
- First fall freeze
- Nov 1
- Heating degree days
- 2,827
- Cooling degree days
- 1,582
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are 18°−8° (heating, 99%) and 102°39° (cooling, 1%).
Month by month
Sunsites in January
Highs average 60°16° and lows 29°−2°, with 0.85 in22 mm of precipitation and 0.7 in1.8 cm of snow in a typical January.
- Record high
- 82°28° (1971)
- Record low
- 4°−16° (1962)
- Heating degree days
- 634
- Cooling degree days
- 0
Sunsites in February
Highs average 64°18° and lows 32°0°, with 0.75 in19 mm of precipitation and 0.2 in0.5 cm of snow in a typical February.
- Record high
- 87°31° (1957)
- Record low
- 2°−17° (2011)
- Heating degree days
- 479
- Cooling degree days
- 0
Sunsites in March
Highs average 70°21° and lows 37°3°, with 0.55 in14 mm of precipitation and 0.1 in0.3 cm of snow in a typical March.
- Record high
- 95°35° (2026)
- Record low
- 11°−12° (1951)
- Heating degree days
- 358
- Cooling degree days
- 0
Sunsites in April
Highs average 78°25° and lows 42°5°, with 0.19 in4.8 mm of precipitation in a typical April.
- Record high
- 97°36° (1989)
- Record low
- 22°−6° (1988)
- Heating degree days
- 176
- Cooling degree days
- 14
Sunsites in May
Highs average 86°30° and lows 50°10°, with 0.23 in5.8 mm of precipitation in a typical May.
- Record high
- 103°39° (1958)
- Record low
- 26°−3° (1950)
- Heating degree days
- 43
- Cooling degree days
- 125
Sunsites in June
Highs average 95°35° and lows 59°15°, with 0.56 in14 mm of precipitation in a typical June.
- Record high
- 109°43° (1960)
- Record low
- 41°5° (1988)
- Heating degree days
- 1
- Cooling degree days
- 364
Sunsites in July
Highs average 93°34° and lows 65°18°, with 2.6 in66 mm of precipitation in a typical July.
- Record high
- 108°42° (1957)
- Record low
- 52°11° (2004)
- Heating degree days
- 0
- Cooling degree days
- 429
Sunsites in August
Highs average 91°33° and lows 64°18°, with 2.9 in73 mm of precipitation in a typical August.
- Record high
- 104°40° (2020)
- Record low
- 50°10° (1915)
- Heating degree days
- 0
- Cooling degree days
- 377
Sunsites in September
Highs average 88°31° and lows 57°14°, with 1.5 in37 mm of precipitation in a typical September.
- Record high
- 102°39° (1956)
- Record low
- 39°4° (1913)
- Heating degree days
- 3
- Cooling degree days
- 230
Sunsites in OctoberThis month
Highs average 80°27° and lows 46°8°, with 0.68 in17 mm of precipitation in a typical October.
- Record high
- 98°37° (1959)
- Record low
- 22°−6° (2009)
- Heating degree days
- 107
- Cooling degree days
- 42
Sunsites in November
Highs average 69°20° and lows 36°2°, with 0.67 in17 mm of precipitation and 0.2 in0.5 cm of snow in a typical November.
- Record high
- 89°32° (1916)
- Record low
- 12°−11° (2010)
- Heating degree days
- 386
- Cooling degree days
- 1
Sunsites in December
Highs average 59°15° and lows 29°−1°, with 0.8 in20 mm of precipitation in a typical December.
- Record high
- 79°26° (1954)
- Record low
- −8°−22° (1978)
- Heating degree days
- 640
- Cooling degree days
- 0