Annual mean 11°C · wettest around November · prevailing wind SW
Warmest
22.1 °C
Coldest
5.0 °C
Wettest
22%
Windiest
3.4 m/s
Prevailing
SW
2.9 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 Snoqualmie over the whole year is 11°C. July is the hottest month, with highs of about 23°C; February is the coldest, with lows of about 3°C. The rainy (wet) season in Snoqualmie runs from October to April, peaking in November with a 26% chance of rain on a given day. The dry season is May to September; July is the driest month, at 7%. Winds in Snoqualmie are highest in April, averaging 2.7 m/s (10 km/h), and lightest in September, at 2.1 m/s (8 km/h). The prevailing wind is from the SW. The clearest skies in Snoqualmie come in July, when the sky is typically 36% covered; December is the cloudiest month, at 77%.
Month by month Snoqualmie 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
6°C
3°C
2°C
23%
75%
2.3 m/s
0
0
23
February
6°C
3°C
2°C
21%
76%
2.6 m/s
0
0
22
March
9°C
5°C
5°C
19%
67%
2.6 m/s
3
0
40
April
12°C
7°C
8°C
18%
61%
2.7 m/s
10
0
62
May
16°C
10°C
13°C
14%
58%
2.5 m/s
38
2
82
June
19°C
13°C
16°C
13%
54%
2.5 m/s
62
7
82
July
23°C
15°C
20°C
7%
36%
2.4 m/s
86
18
73
August
23°C
15°C
21°C
10%
40%
2.2 m/s
84
23
68
September
18°C
13°C
17°C
14%
53%
2.1 m/s
71
6
83
October
13°C
9°C
11°C
21%
60%
2.2 m/s
23
0
75
November
9°C
6°C
5°C
26%
72%
2.4 m/s
3
0
42
December
6°C
4°C
2°C
24%
77%
2.4 m/s
0
0
21
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 Snoqualmie weather by season
Year round, Snoqualmie has days of about 6°C at their warmest in December, its coolest month, and 23°C in July, its warmest; the coolest hours of the day run from 3°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.
Snoqualmie weather in winterDecember to February
High 6°CLow 3°CRain 23%
Winter in Snoqualmie has typical daily highs of about 6°C and lows of about 3°C, with a 23% chance of rain on a given day.
Snoqualmie weather in springMarch to May
High 12°CLow 7°CRain 17%
Spring in Snoqualmie has typical daily highs of about 12°C and lows of about 7°C, with a 17% chance of rain on a given day.
Snoqualmie weather in summerJune to August
High 21°CLow 14°CRain 10%
Summer in Snoqualmie has typical daily highs of about 21°C and lows of about 14°C, with a 10% chance of rain on a given day.
Snoqualmie weather in autumnSeptember to November
High 13°CLow 9°CRain 20%
Autumn in Snoqualmie has typical daily highs of about 13°C and lows of about 9°C, with a 20% chance of rain on a given day.
When is the rainy season in Snoqualmie?
The rainy (wet) season in Snoqualmie runs from October to April, peaking in November with a 26% chance of rain on a given day. The dry season is May to September; July is the driest month, at 7%.
What time of year is Snoqualmie windiest?
Winds in Snoqualmie are highest in April, averaging 2.7 m/s (10 km/h), and lightest in September, at 2.1 m/s (8 km/h). The prevailing wind is from the SW.
What is the average temperature in Snoqualmie year round?
The average temperature in Snoqualmie over the whole year is 11°C. July is the hottest month, with highs of about 23°C; February is the coldest, with lows of about 3°C.