Desert Aire weather by month
What a typical year looks like in Desert Aire, Washington: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Priest Rapids Dam, 6 km from Desert Aire; records cover 1956–2026.
The year at a glance
- Precipitation a year
- 7.5 in190 mm
- Snow a year
- Rare
- Last spring freeze
- Mar 27
- First fall freeze
- Oct 31
- Heating degree days
- 4,515
- Cooling degree days
- 1,274
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 103°39° (cooling, 1%).
Month by month
Desert Aire in January
Highs average 41°5° and lows 30°−1°, with 1.1 in27 mm of precipitation in a typical January.
- Record high
- 71°22° (1971)
- Record low
- −12°−24° (1996)
- Heating degree days
- 927
- Cooling degree days
- 0
Desert Aire in February
Highs average 47°8° and lows 32°0°, with 0.62 in16 mm of precipitation in a typical February.
- Record high
- 72°22° (1986)
- Record low
- −10°−23° (1996)
- Heating degree days
- 714
- Cooling degree days
- 0
Desert Aire in March
Highs average 57°14° and lows 38°3°, with 0.74 in19 mm of precipitation in a typical March.
- Record high
- 82°28° (1960)
- Record low
- 11°−12° (1962)
- Heating degree days
- 546
- Cooling degree days
- 0
Desert Aire in April
Highs average 65°19° and lows 45°7°, with 0.55 in14 mm of precipitation in a typical April.
- Record high
- 94°34° (1977)
- Record low
- 25°−4° (1964)
- Heating degree days
- 302
- Cooling degree days
- 5
Desert Aire in May
Highs average 75°24° and lows 53°12°, with 0.55 in14 mm of precipitation in a typical May.
- Record high
- 105°41° (1986)
- Record low
- 30°−1° (1989)
- Heating degree days
- 102
- Cooling degree days
- 69
Desert Aire in June
Highs average 82°28° and lows 60°15°, with 0.54 in14 mm of precipitation in a typical June.
- Record high
- 113°45° (2021)
- Record low
- 35°2° (1973)
- Heating degree days
- 19
- Cooling degree days
- 193
Desert Aire in July
Highs average 92°33° and lows 67°19°, with 0.21 in5.3 mm of precipitation in a typical July.
- Record high
- 116°47° (2015)
- Record low
- 47°8° (1971)
- Heating degree days
- 1
- Cooling degree days
- 436
Desert Aire in August
Highs average 90°32° and lows 66°19°, with 0.08 in2 mm of precipitation in a typical August.
- Record high
- 110°43° (1961)
- Record low
- 42°6° (1999)
- Heating degree days
- 1
- Cooling degree days
- 406
Desert Aire in September
Highs average 80°27° and lows 58°14°, with 0.15 in3.8 mm of precipitation in a typical September.
- Record high
- 105°41° (1998)
- Record low
- 33°1° (1996)
- Heating degree days
- 33
- Cooling degree days
- 155
Desert Aire in OctoberThis month
Highs average 65°19° and lows 46°8°, with 0.65 in17 mm of precipitation in a typical October.
- Record high
- 92°33° (2014)
- Record low
- 18°−8° (1971)
- Heating degree days
- 294
- Cooling degree days
- 10
Desert Aire in November
Highs average 50°10° and lows 36°2°, with 0.91 in23 mm of precipitation in a typical November.
- Record high
- 76°24° (1999)
- Record low
- −7°−22° (1985)
- Heating degree days
- 658
- Cooling degree days
- 0
Desert Aire in December
Highs average 41°5° and lows 30°−1°, with 1.4 in36 mm of precipitation in a typical December.
- Record high
- 71°22° (1980)
- Record low
- −7°−22° (1968)
- Heating degree days
- 918
- Cooling degree days
- 0