Annual mean 8°C · wettest around March · prevailing wind W
Warmest
25.5 °C
Coldest
-5.2 °C
Wettest
23%
Windiest
5.8 m/s
Prevailing
W
4.6 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 Bellevue over the whole year is 8°C. July is the hottest month, with highs of about 25°C; January is the coldest, with lows of about -7°C. Bellevue has no sharply defined rainy season: the chance of rain on a given day runs from 17% in January, the driest month, to 21% in March, the wettest. Winds in Bellevue are highest in April, averaging 4.3 m/s (15 km/h), and lightest in July, at 2.7 m/s (10 km/h). The prevailing wind is from the W. The clearest skies in Bellevue come in July, when the sky is typically 30% covered; December is the cloudiest month, at 64%.
Month by month Bellevue 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
-5°C
-7°C
-10°C
17%
63%
4.0 m/s
0
0
0
February
-3°C
-7°C
-9°C
17%
48%
4.1 m/s
0
0
3
March
3°C
-2°C
-3°C
21%
49%
4.2 m/s
0
0
8
April
9°C
3°C
4°C
21%
53%
4.3 m/s
8
0
34
May
17°C
10°C
13°C
20%
42%
3.9 m/s
41
7
67
June
23°C
16°C
21°C
20%
37%
3.4 m/s
70
30
56
July
25°C
19°C
25°C
19%
30%
2.7 m/s
65
56
31
August
24°C
17°C
24°C
19%
35%
2.7 m/s
71
47
39
September
21°C
13°C
20°C
18%
38%
3.0 m/s
70
21
67
October
13°C
8°C
9°C
19%
49%
3.6 m/s
26
2
56
November
5°C
1°C
-0°C
19%
53%
4.0 m/s
5
0
18
December
-1°C
-4°C
-7°C
19%
64%
3.9 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 Bellevue weather by season
Year round, Bellevue has days of about -5°C at their warmest in January, its coolest month, and 25°C in July, its warmest; the coolest hours of the day run from -7°C to 19°C through the year, and the average temperature over the year is 8°C around the clock. Rain is most likely around March and least likely around January. 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.
Bellevue weather in winterDecember to February
High -3°CLow -6°CRain 18%
Winter in Bellevue has typical daily highs of about -3°C and lows of about -6°C, with a 18% chance of rain on a given day.
Bellevue weather in springMarch to May
High 10°CLow 4°CRain 20%
Spring in Bellevue has typical daily highs of about 10°C and lows of about 4°C, with a 20% chance of rain on a given day.
Bellevue weather in summerJune to August
High 24°CLow 17°CRain 19%
Summer in Bellevue has typical daily highs of about 24°C and lows of about 17°C, with a 19% chance of rain on a given day.
Bellevue weather in autumnSeptember to November
High 13°CLow 7°CRain 19%
Autumn in Bellevue has typical daily highs of about 13°C and lows of about 7°C, with a 19% chance of rain on a given day.
When is the rainy season in Bellevue?
Bellevue has no sharply defined rainy season: the chance of rain on a given day runs from 17% in January, the driest month, to 21% in March, the wettest.
What time of year is Bellevue windiest?
Winds in Bellevue are highest in April, averaging 4.3 m/s (15 km/h), and lightest in July, at 2.7 m/s (10 km/h). The prevailing wind is from the W.
What is the average temperature in Bellevue year round?
The average temperature in Bellevue over the whole year is 8°C. July is the hottest month, with highs of about 25°C; January is the coldest, with lows of about -7°C.