Maricopa weather by month
What a typical year looks like in Maricopa, Arizona: average highs and lows, rain and snow, and the warmest and coldest days on record. No nearby active station has official 1991–2020 normals, so these are forecast.blue’s own averages computed from daily observations at Casa Grande Municipal Airport, 24 km from Maricopa, over its available record (2009–2026) — not an NCEI normal; records cover 2009–2026.
The year at a glance
- Precipitation a year
- 2.8 in71 mm
- Snow a year
- Rare
- Last spring freeze
- Rare
- First fall freeze
- Rare
- Heating degree days
- —
- Cooling degree days
- —
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are 28°−2° (heating, 99%) and 112°44° (cooling, 1%).
Month by month
Maricopa in January
Highs average 66°19° and lows 39°4°, with 0.8 in20 mm of precipitation in a typical January.
- Record high
- 79°26° (2026)
- Record low
- 25°−4° (2011)
- Heating degree days
- —
- Cooling degree days
- —
Maricopa in February
Highs average 70°21° and lows 43°6°, with 0.2 in5.1 mm of precipitation in a typical February.
- Record high
- 91°33° (2026)
- Record low
- 21°−6° (2011)
- Heating degree days
- —
- Cooling degree days
- —
Maricopa in March
Highs average 80°27° and lows 49°10°, with 0.2 in5.1 mm of precipitation in a typical March.
- Record high
- 103°39° (2026)
- Record low
- 36°2° (2010)
- Heating degree days
- —
- Cooling degree days
- —
Maricopa in April
Highs average 84°29° and lows 54°12°, with 0 in0 mm of precipitation in a typical April.
- Record high
- 95°35° (2011)
- Record low
- 37°3° (2010)
- Heating degree days
- —
- Cooling degree days
- —
Maricopa in May
Highs average 92°33° and lows 60°16°, with 0 in0 mm of precipitation in a typical May.
- Record high
- 105°41° (2025)
- Record low
- 43°6° (2010)
- Heating degree days
- —
- Cooling degree days
- —
Maricopa in June
Highs average 104°40° and lows 73°23°, with 0.1 in2.5 mm of precipitation in a typical June.
- Record high
- 114°46° (2025)
- Record low
- 59°15° (2010)
- Heating degree days
- —
- Cooling degree days
- —
Maricopa in July
Highs average 105°41° and lows 80°27°, with 0.5 in13 mm of precipitation in a typical July.
- Record high
- 114°46° (2025)
- Record low
- 63°17° (2026)
- Heating degree days
- —
- Cooling degree days
- —
Maricopa in August
Highs average 105°40° and lows 79°26°, with 0.4 in10 mm of precipitation in a typical August.
- Record high
- 116°47° (2025)
- Record low
- 66°19° (2009)
- Heating degree days
- —
- Cooling degree days
- —
Maricopa in September
Highs average 100°38° and lows 73°23°, with 0.2 in5.1 mm of precipitation in a typical September.
- Record high
- 113°45° (2024)
- Record low
- 54°12° (2010)
- Heating degree days
- —
- Cooling degree days
- —
Maricopa in OctoberThis month
Highs average 88°31° and lows 59°15°, with 0.2 in5.1 mm of precipitation in a typical October.
- Record high
- 109°43° (2024)
- Record low
- 34°1° (2009)
- Heating degree days
- —
- Cooling degree days
- —
Maricopa in November
Highs average 75°24° and lows 47°8°, with 0 in0 mm of precipitation in a typical November.
- Record high
- 93°34° (2009)
- Record low
- 25°−4° (2010)
- Heating degree days
- —
- Cooling degree days
- —
Maricopa in December
Highs average 69°20° and lows 41°5°, with 0.2 in5.1 mm of precipitation in a typical December.
- Record high
- 82°28° (2024)
- Record low
- 27°−3° (2009)
- Heating degree days
- —
- Cooling degree days
- —
Sacaton station, 1908–2012: records and averages
This station is no longer reporting, but its 1908–2012 record is the longest and most local history available. These are its own averages over its own period of record — not NCEI normals, and not the same station as the computed averages above.
January
Average high 66°19°, low 34°1°, 0.8 in20 mm precipitation.
Record high 89°32° (1990); record low 9°−13° (1913).
February
Average high 70°21°, low 38°3°, 0.8 in20 mm precipitation.
Record high 92°33° (1921); record low 15°−9° (1972).
March
Average high 76°24°, low 42°6°, 0.8 in20 mm precipitation.
Record high 100°38° (1988); record low 19°−7° (1971).
April
Average high 85°29°, low 49°9°, 0.3 in7.6 mm precipitation.
Record high 106°41° (1910); record low 28°−2° (1945).
May
Average high 94°34°, low 57°14°, 0.2 in5.1 mm precipitation.
Record high 117°47° (1910); record low 33°1° (1915).
June
Average high 103°40°, low 66°19°, 0.1 in2.5 mm precipitation.
Record high 121°49° (1990); record low 43°6° (1908).
July
Average high 105°41°, low 75°24°, 1.3 in33 mm precipitation.
Record high 121°49° (1995); record low 56°13° (1912).
August
Average high 103°39°, low 73°23°, 1.4 in36 mm precipitation.
Record high 120°49° (1993); record low 53°12° (1979).
September
Average high 99°37°, low 66°19°, 0.7 in18 mm precipitation.
Record high 115°46° (1979); record low 38°3° (1965).
October
Average high 89°31°, low 53°12°, 0.5 in13 mm precipitation.
Record high 110°43° (1980); record low 25°−4° (1971).
November
Average high 76°24°, low 41°5°, 0.6 in15 mm precipitation.
Record high 100°38° (2009); record low 19°−7° (1911).
December
Average high 67°19°, low 34°1°, 1 in25 mm precipitation.
Record high 88°31° (1916); record low 12°−11° (1954).