Annual mean 10°C · wettest around November · prevailing wind W
Warmest
29.9 °C
Coldest
-0.1 °C
Wettest
8%
Windiest
6.2 m/s
Prevailing
W
3.9 m/s average
When this place is good five ratings · thirty-six ten-day sections · click a cell to read it
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Every reading
bars actual · line feels-like, °Cchance of rain, %wind speed, m/ssky covered, %
The average temperature in Ellensburg over the whole year is 10°C. July is the hottest month, with highs of about 28°C; January is the coldest, with lows of about -2°C. Ellensburg has no sharply defined rainy season: the chance of rain on a given day runs from 2% in July, the driest month, to 9% in November, the wettest. Winds in Ellensburg are highest in July, averaging 6.0 m/s (22 km/h), and lightest in January, at 1.7 m/s (6 km/h). The prevailing wind is from the W. The clearest skies in Ellensburg come in July, when the sky is typically 7% covered; December is the cloudiest month, at 72%.
Month by month Ellensburg climate by month: average temperatures year round · click a month to read it
Month
High
Low
Feels like
Chance of rain
Cloud
Wind
Being outside
Sun
Walking
January
1°C
-2°C
-3°C
9%
67%
1.7 m/s
0
0
3
February
4°C
-2°C
-1°C
7%
50%
3.0 m/s
0
0
8
March
9°C
1°C
4°C
6%
40%
3.5 m/s
4
0
37
April
14°C
5°C
9°C
7%
30%
4.8 m/s
18
1
63
May
20°C
10°C
15°C
6%
26%
5.4 m/s
52
11
67
June
23°C
14°C
19°C
5%
17%
5.9 m/s
61
23
61
July
28°C
17°C
24°C
2%
7%
6.0 m/s
60
50
36
August
28°C
16°C
24°C
2%
14%
4.9 m/s
59
50
37
September
22°C
11°C
18°C
3%
23%
3.9 m/s
72
17
72
October
15°C
5°C
11°C
6%
30%
3.0 m/s
25
1
72
November
7°C
1°C
3°C
9%
48%
2.3 m/s
1
0
24
December
1°C
-2°C
-3°C
7%
72%
1.8 m/s
0
0
2
High and low are the warmest and coolest of four readings a day — midnight, 6am, noon and 6pm — so a true overnight low can sit a degree or two under them. Chance of rain, cloud and wind are the day’s average; feels-like and the three ratings (each out of 100: Good from 55, Ideal from 80) are read at midday.
Seasons, and the year in short Ellensburg weather by season
Year round, Ellensburg has days of about 1°C at their warmest in January, its coolest month, and 28°C in July, its warmest; the coolest hours of the day run from -2°C to 17°C through the year, and the average temperature over the year is 10°C around the clock. Rain is most likely around November and least likely around July. Every figure here is a decade of observations blended into one representative year, so it reads as what this date is usually like, not a forecast for one particular day.
Ellensburg weather in winterDecember to February
High 2°CLow -2°CRain 8%
Winter in Ellensburg has typical daily highs of about 2°C and lows of about -2°C, with a 8% chance of rain on a given day.
Ellensburg weather in springMarch to May
High 14°CLow 5°CRain 6%
Spring in Ellensburg has typical daily highs of about 14°C and lows of about 5°C, with a 6% chance of rain on a given day.
Ellensburg weather in summerJune to August
High 27°CLow 15°CRain 3%
Summer in Ellensburg has typical daily highs of about 27°C and lows of about 15°C, with a 3% chance of rain on a given day.
Ellensburg weather in autumnSeptember to November
High 14°CLow 5°CRain 6%
Autumn in Ellensburg has typical daily highs of about 14°C and lows of about 5°C, with a 6% chance of rain on a given day.
When is the rainy season in Ellensburg?
Ellensburg has no sharply defined rainy season: the chance of rain on a given day runs from 2% in July, the driest month, to 9% in November, the wettest.
What time of year is Ellensburg windiest?
Winds in Ellensburg are highest in July, averaging 6.0 m/s (22 km/h), and lightest in January, at 1.7 m/s (6 km/h). The prevailing wind is from the W.
What is the average temperature in Ellensburg year round?
The average temperature in Ellensburg over the whole year is 10°C. July is the hottest month, with highs of about 28°C; January is the coldest, with lows of about -2°C.