Annual mean 11°C · wettest around June · prevailing wind SW
Warmest
28.6 °C
Coldest
-3.9 °C
Wettest
78%
Windiest
6.5 m/s
Prevailing
SW
4.9 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 Bellevue over the whole year is 11°C. July is the hottest month, with highs of about 28°C; January is the coldest, with lows of about -6°C. Bellevue has no sharply defined rainy season: the chance of rain on a given day runs from 55% in February, the driest month, to 73% in June, the wettest. Winds in Bellevue are highest in April, averaging 5.0 m/s (18 km/h), and lightest in July, at 2.8 m/s (10 km/h). The prevailing wind is from the SW. The clearest skies in Bellevue come in June, when the sky is typically 27% covered; January is the cloudiest month, at 49%.
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
-2°C
-6°C
-8°C
63%
49%
4.0 m/s
0
0
1
February
1°C
-5°C
-5°C
55%
40%
4.2 m/s
1
0
12
March
9°C
2°C
2°C
71%
47%
4.7 m/s
6
0
27
April
15°C
6°C
9°C
69%
43%
5.0 m/s
24
1
50
May
21°C
13°C
18°C
73%
45%
3.8 m/s
55
15
58
June
28°C
20°C
27°C
73%
27%
3.7 m/s
42
55
19
July
28°C
21°C
29°C
71%
27%
2.8 m/s
30
63
8
August
27°C
19°C
28°C
71%
30%
2.8 m/s
44
53
18
September
25°C
16°C
23°C
71%
28%
3.2 m/s
60
39
38
October
16°C
8°C
12°C
69%
34%
3.7 m/s
35
3
58
November
9°C
1°C
3°C
66%
35%
4.0 m/s
7
0
31
December
2°C
-3°C
-4°C
63%
38%
4.0 m/s
0
0
7
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 -2°C at their warmest in January, its coolest month, and 28°C in July, its warmest; the coolest hours of the day run from -6°C to 21°C through the year, and the average temperature over the year is 11°C around the clock. Rain is most likely around June and least likely around February. 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 0°CLow -5°CRain 60%
Winter in Bellevue has typical daily highs of about 0°C and lows of about -5°C, with a 60% chance of rain on a given day.
Bellevue weather in springMarch to May
High 15°CLow 7°CRain 71%
Spring in Bellevue has typical daily highs of about 15°C and lows of about 7°C, with a 71% chance of rain on a given day.
Bellevue weather in summerJune to August
High 28°CLow 20°CRain 72%
Summer in Bellevue has typical daily highs of about 28°C and lows of about 20°C, with a 72% chance of rain on a given day.
Bellevue weather in autumnSeptember to November
High 17°CLow 8°CRain 68%
Autumn in Bellevue has typical daily highs of about 17°C and lows of about 8°C, with a 68% 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 55% in February, the driest month, to 73% in June, the wettest.
What time of year is Bellevue windiest?
Winds in Bellevue are highest in April, averaging 5.0 m/s (18 km/h), and lightest in July, at 2.8 m/s (10 km/h). The prevailing wind is from the SW.
What is the average temperature in Bellevue year round?
The average temperature in Bellevue over the whole year is 11°C. July is the hottest month, with highs of about 28°C; January is the coldest, with lows of about -6°C.