Sun Lakes weather by month
What a typical year looks like in Sun Lakes, Arizona: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Tempe Asu, 24 km from Sun Lakes; records cover 1948–2026.
The year at a glance
- Precipitation a year
- 8.8 in224 mm
- Snow a year
- Rare
- Last spring freeze
- Feb 6
- First fall freeze
- Dec 6
- Heating degree days
- 1,182
- Cooling degree days
- 3,680
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are 29°−2° (heating, 99%) and 112°44° (cooling, 1%).
Month by month
Sun Lakes in January
Highs average 71°21° and lows 39°4°, with 1 in26 mm of precipitation in a typical January.
- Record high
- 87°31° (1971)
- Record low
- 16°−9° (1950)
- Heating degree days
- 325
- Cooling degree days
- 1
Sun Lakes in February
Highs average 74°23° and lows 41°5°, with 1.1 in28 mm of precipitation in a typical February.
- Record high
- 94°34° (2026)
- Record low
- 19°−7° (1955)
- Heating degree days
- 220
- Cooling degree days
- 4
Sun Lakes in March
Highs average 80°27° and lows 46°8°, with 0.96 in24 mm of precipitation in a typical March.
- Record high
- 105°41° (2026)
- Record low
- 24°−4° (1971)
- Heating degree days
- 105
- Cooling degree days
- 48
Sun Lakes in April
Highs average 87°31° and lows 51°11°, with 0.23 in5.8 mm of precipitation in a typical April.
- Record high
- 105°41° (1989)
- Record low
- 30°−1° (1977)
- Heating degree days
- 28
- Cooling degree days
- 145
Sun Lakes in May
Highs average 95°35° and lows 59°15°, with 0.18 in4.6 mm of precipitation in a typical May.
- Record high
- 113°45° (1951)
- Record low
- 35°2° (1965)
- Heating degree days
- 2
- Cooling degree days
- 376
Sun Lakes in June
Highs average 104°40° and lows 67°19°, with 0.06 in1.5 mm of precipitation in a typical June.
- Record high
- 119°48° (1970)
- Record low
- 45°7° (1971)
- Heating degree days
- 0
- Cooling degree days
- 610
Sun Lakes in July
Highs average 106°41° and lows 76°24°, with 0.99 in25 mm of precipitation in a typical July.
- Record high
- 118°48° (1970)
- Record low
- 53°12° (1969)
- Heating degree days
- 0
- Cooling degree days
- 801
Sun Lakes in August
Highs average 105°40° and lows 75°24°, with 1.3 in33 mm of precipitation in a typical August.
- Record high
- 119°48° (1972)
- Record low
- 52°11° (1968)
- Heating degree days
- 0
- Cooling degree days
- 773
Sun Lakes in September
Highs average 101°38° and lows 69°21°, with 0.71 in18 mm of precipitation in a typical September.
- Record high
- 115°46° (2024)
- Record low
- 45°7° (1965)
- Heating degree days
- 0
- Cooling degree days
- 596
Sun Lakes in OctoberThis month
Highs average 91°33° and lows 56°13°, with 0.61 in15 mm of precipitation in a typical October.
- Record high
- 112°44° (2024)
- Record low
- 26°−3° (1971)
- Heating degree days
- 10
- Cooling degree days
- 278
Sun Lakes in November
Highs average 79°26° and lows 45°7°, with 0.65 in17 mm of precipitation in a typical November.
- Record high
- 98°37° (2020)
- Record low
- 23°−5° (1956)
- Heating degree days
- 135
- Cooling degree days
- 47
Sun Lakes in December
Highs average 69°21° and lows 38°3°, with 0.95 in24 mm of precipitation in a typical December.
- Record high
- 88°31° (2017)
- Record low
- 20°−7° (1954)
- Heating degree days
- 357
- Cooling degree days
- 1