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Kittitas weather by month

What a typical year looks like in Kittitas, Washington: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Ellensburg Bowers Field, 10 km from Kittitas; records cover 1940–2026.

Today’s Kittitas forecast

The year at a glance

January: typical high 36.6°F, low 24.1°F, precipitation 1.23 in. February: typical high 44.2°F, low 26.8°F, precipitation 0.78 in. March: typical high 53.3°F, low 30.9°F, precipitation 0.81 in. April: typical high 61.4°F, low 36.5°F, precipitation 0.68 in. May: typical high 71°F, low 44.9°F, precipitation 0.92 in. June: typical high 77.4°F, low 50.9°F, precipitation 0.55 in. July: typical high 86.4°F, low 56.8°F, precipitation 0.23 in. August: typical high 86.5°F, low 55.9°F, precipitation 0.17 in. September: typical high 77.5°F, low 46.9°F, precipitation 0.37 in. October: typical high 62.3°F, low 36.9°F, precipitation 0.83 in. November: typical high 46.6°F, low 28.7°F, precipitation 1.05 in. December: typical high 36.4°F, low 23.8°F, precipitation 1.54 in.−40°−40°−20°−29°0°−18°20°−7°40°4°60°16°80°27°100°38°120°49°37°3°24°−4°Jan44°7°27°−3°Feb53°12°31°−1°Mar61°16°37°3°Apr71°22°45°7°May77°25°51°11°Jun86°30°57°14°Jul87°30°56°13°Aug78°25°47°8°Sep62°17°37°3°Oct47°8°29°−2°Nov36°2°24°−5°DecPrecipitation
Bars: typical low to high (official normals, 1991–2020) Record high Record low
Precipitation a year
9.2 in233 mm
Snow a year
Rare
Last spring freeze
May 2
First fall freeze
Oct 4
Heating degree days
5,970
Cooling degree days
567

Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are 5°−15° (heating, 99%) and 101°38° (cooling, 1%).

Month by month

Kittitas in January

Highs average 37°3° and lows 24°−4°, with 1.2 in31 mm of precipitation in a typical January.

Record high
61°16° (2009)
Record low
−29°−34° (1957)
Heating degree days
1074
Cooling degree days
0

Kittitas in February

Highs average 44°7° and lows 27°−3°, with 0.78 in20 mm of precipitation in a typical February.

Record high
65°18° (2011)
Record low
−27°−33° (1950)
Heating degree days
826
Cooling degree days
0

Kittitas in March

Highs average 53°12° and lows 31°−1°, with 0.81 in21 mm of precipitation in a typical March.

Record high
76°24° (2016)
Record low
−8°−22° (1955)
Heating degree days
710
Cooling degree days
0

Kittitas in April

Highs average 61°16° and lows 37°3°, with 0.68 in17 mm of precipitation in a typical April.

Record high
89°32° (2012)
Record low
18°−8° (1951)
Heating degree days
482
Cooling degree days
0

Kittitas in May

Highs average 71°22° and lows 45°7°, with 0.92 in23 mm of precipitation in a typical May.

Record high
99°37° (2006)
Record low
20°−7° (1954)
Heating degree days
239
Cooling degree days
20

Kittitas in June

Highs average 77°25° and lows 51°11°, with 0.55 in14 mm of precipitation in a typical June.

Record high
114°46° (2021)
Record low
31°−1° (1954)
Heating degree days
95
Cooling degree days
70

Kittitas in July

Highs average 86°30° and lows 57°14°, with 0.23 in5.8 mm of precipitation in a typical July.

Record high
109°43° (2022)
Record low
36°2° (1954)
Heating degree days
17
Cooling degree days
222

Kittitas in August

Highs average 87°30° and lows 56°13°, with 0.17 in4.3 mm of precipitation in a typical August.

Record high
107°42° (2018)
Record low
36°2° (2000)
Heating degree days
16
Cooling degree days
207

Kittitas in September

Highs average 78°25° and lows 47°8°, with 0.37 in9.4 mm of precipitation in a typical September.

Record high
99°37° (2006)
Record low
26°−3° (2000)
Heating degree days
131
Cooling degree days
47

Kittitas in OctoberThis month

Highs average 62°17° and lows 37°3°, with 0.83 in21 mm of precipitation in a typical October.

Record high
88°31° (2020)
Record low
8°−13° (2002)
Heating degree days
478
Cooling degree days
1

Kittitas in November

Highs average 47°8° and lows 29°−2°, with 1.1 in27 mm of precipitation in a typical November.

Record high
69°21° (2021)
Record low
−9°−23° (2010)
Heating degree days
820
Cooling degree days
0

Kittitas in December

Highs average 36°2° and lows 24°−5°, with 1.5 in39 mm of precipitation in a typical December.

Record high
66°19° (2021)
Record low
−16°−27° (1948)
Heating degree days
1082
Cooling degree days
0