Annual mean 11°C · wettest around November · prevailing wind SW
Warmest
21.7 °C
Coldest
6.0 °C
Wettest
21%
Windiest
4.1 m/s
Prevailing
SW
3.3 m/s average
When this place is good five ratings · thirty-six ten-day sections · click a cell to read it
never good
never good
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 Bothell over the whole year is 11°C. August is the hottest month, with highs of about 22°C; February is the coldest, with lows of about 4°C. The rainy (wet) season in Bothell runs from October to April, peaking in November with a 25% chance of rain on a given day. The dry season is May to September; July is the driest month, at 5%. Winds in Bothell are highest in March, averaging 3.1 m/s (11 km/h), and lightest in August, at 2.4 m/s (9 km/h). The prevailing wind is from the SW. The clearest skies in Bothell come in July, when the sky is typically 36% covered; February is the cloudiest month, at 74%.
Month by month Bothell 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
7°C
4°C
3°C
23%
72%
2.8 m/s
0
0
22
February
7°C
4°C
3°C
21%
74%
3.0 m/s
0
0
21
March
10°C
5°C
5°C
19%
65%
3.1 m/s
2
0
40
April
12°C
7°C
8°C
17%
59%
3.1 m/s
10
0
65
May
16°C
10°C
13°C
12%
56%
2.7 m/s
36
2
86
June
19°C
13°C
16°C
11%
52%
2.8 m/s
60
6
86
July
22°C
14°C
20°C
5%
36%
2.6 m/s
87
15
78
August
22°C
15°C
20°C
7%
39%
2.4 m/s
87
20
72
September
18°C
13°C
17°C
11%
52%
2.4 m/s
71
5
86
October
14°C
9°C
11°C
18%
62%
2.6 m/s
20
0
78
November
9°C
7°C
6°C
25%
71%
3.0 m/s
2
0
43
December
7°C
5°C
3°C
23%
73%
2.8 m/s
0
0
22
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 Bothell weather by season
Year round, Bothell has days of about 7°C at their warmest in January, its coolest month, and 22°C in August, its warmest; the coolest hours of the day run from 4°C to 15°C through the year, and the average temperature over the year is 11°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.
Bothell weather in winterDecember to February
High 7°CLow 4°CRain 23%
Winter in Bothell has typical daily highs of about 7°C and lows of about 4°C, with a 23% chance of rain on a given day.
Bothell weather in springMarch to May
High 13°CLow 8°CRain 16%
Spring in Bothell has typical daily highs of about 13°C and lows of about 8°C, with a 16% chance of rain on a given day.
Bothell weather in summerJune to August
High 21°CLow 14°CRain 7%
Summer in Bothell has typical daily highs of about 21°C and lows of about 14°C, with a 7% chance of rain on a given day.
Bothell weather in autumnSeptember to November
High 14°CLow 10°CRain 18%
Autumn in Bothell has typical daily highs of about 14°C and lows of about 10°C, with a 18% chance of rain on a given day.
When is the rainy season in Bothell?
The rainy (wet) season in Bothell runs from October to April, peaking in November with a 25% chance of rain on a given day. The dry season is May to September; July is the driest month, at 5%.
What time of year is Bothell windiest?
Winds in Bothell are highest in March, averaging 3.1 m/s (11 km/h), and lightest in August, at 2.4 m/s (9 km/h). The prevailing wind is from the SW.
What is the average temperature in Bothell year round?
The average temperature in Bothell over the whole year is 11°C. August is the hottest month, with highs of about 22°C; February is the coldest, with lows of about 4°C.