Climate and monthly weather forecastSnoqualmie, WA
Climate and monthly weather forecast
Weather in January
January, the same as December, is another cold winter month in Snoqualmie, Washington, with an average temperature varying between 41.5°F (5.3°C) and 30.9°F (-0.6°C). The shift into January finds Snoqualmie at an average high-temperature of a still icy 41.5°F (5.3°C), closely comparable to December's conditions. Weather in January »Weather in February
February, the last month of the winter in Snoqualmie, is also a wintry month, with an average temperature ranging between max 42.1°F (5.6°C) and min 30.4°F (-0.9°C). The high-temperature average in February for Snoqualmie, Washington, is a still icy 42.1°F (5.6°C), staying closely aligned with January's conditions. Weather in February »Weather in March
March, the first month of the spring in Snoqualmie, is a frosty month, with temperature in the range of an average high of 46.9°F (8.3°C) and an average low of 32.4°F (0.2°C). In March, Snoqualmie's weather conditions record an average high-temperature of a chilly 46.9°F (8.3°C), demonstrating little divergence from the preceding month. Weather in March »Weather in April
April in Snoqualmie, Washington, is a cool spring month, with an average temperature ranging between min 35.4°F (1.9°C) and max 52.9°F (11.6°C). April's onset brings a subtle temperature rise, moving from a frosty 46.9°F (8.3°C) in March to a cool 52.9°F (11.6°C). Weather in April »Weather in May
May, the last month of the spring in Snoqualmie, is a comfortable month, with temperature in the range of an average low of 40.1°F (4.5°C) and an average high of 61.9°F (16.6°C). The arrival of May brings a change in Snoqualmie's weather, with average high-temperatures moving from April's cool 52.9°F (11.6°C) to a comfortable 61.9°F (16.6°C). Weather in May »Weather in June
June, the first month of the summer in Snoqualmie, is also an enjoyable month, with an average temperature fluctuating between 66°F (18.9°C) and 43°F (6.1°C). The introduction of June sees an average high-temperature of a still refreshing 66°F (18.9°C), hardly deviating from May. Weather in June »Weather in July
July in Snoqualmie, Washington, is a moderately hot summer month, with an average temperature varying between 73.9°F (23.3°C) and 46.9°F (8.3°C). Snoqualmie's transition into July is marked by a minor temperature shift, moving from a refreshing 66°F (18.9°C) in June to a warm 73.9°F (23.3°C). Weather in July »Weather in August
The last month of the summer, August, is another warm month in Snoqualmie, Washington, with temperature in the range of an average low of 48.7°F (9.3°C) and an average high of 74.8°F (23.8°C). Snoqualmie notes the warmest temperatures in August, with a high average of 74.8°F (23.8°C) and a low of 48.7°F (9.3°C). Weather in August »Weather in September
The first month of the autumn, September, is still a refreshing month in Snoqualmie, Washington, with an average temperature ranging between max 67.8°F (19.9°C) and min 46°F (7.8°C). September signifies a gentle decline in Snoqualmie's average high-temperature, easing from a moderately hot 74.8°F (23.8°C) in August to an enjoyable 67.8°F (19.9°C). Weather in September »Weather in October
October, like September, is another refreshing autumn month in Snoqualmie, Washington, with an average temperature ranging between max 56.3°F (13.5°C) and min 41.4°F (5.2°C). The shift to October brings a decrease in the average high-temperature, falling from a comfortable 67.8°F (19.9°C) in September to a moderate 56.3°F (13.5°C). Weather in October »Weather in November
November, the last month of the autumn in Snoqualmie, is another chilly month, with an average temperature ranging between max 45.7°F (7.6°C) and min 34.9°F (1.6°C). November brings a drop in Snoqualmie's average high-temperature, falling from a refreshing 56.3°F (13.5°C) in October to a chilly 45.7°F (7.6°C). Weather in November »Weather in December
The first month of the winter, December, is also a wintry month in Snoqualmie, Washington, with an average temperature ranging between min 29.8°F (-1.2°C) and max 39.7°F (4.3°C). December, characterized by an average high temperature of 39.7°F (4.3°C) and a low temperature of 29.8°F (-1.2°C), is generally the coldest month. Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Snoqualmie, WA
The warmest month (with the highest average high temperature) is August (74.8°F).
The month with the lowest average high temperature is December (39.7°F).
The month with the highest average low temperature is August (48.7°F).
The coldest month (with the lowest average low temperature) is December (29.8°F).
Average pressure
Snoqualmie, WA
- Average pressure in January:
30.11"Hg - Average pressure in February:
30.06"Hg - Average pressure in March:
30.01"Hg - Average pressure in April:
30.04"Hg - Average pressure in May:
30.01"Hg - Average pressure in June:
30.01"Hg
- Average pressure in July:
30.02"Hg - Average pressure in August:
29.99"Hg - Average pressure in September:
30"Hg - Average pressure in October:
30.04"Hg - Average pressure in November:
30.05"Hg - Average pressure in December:
30.09"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is August (29.99"Hg).
Average wind speed
Snoqualmie, WA
- Average wind speed in January:
5.1mph - Average wind speed in February:
4.5mph - Average wind speed in March:
4.4mph - Average wind speed in April:
3.9mph - Average wind speed in May:
3.5mph - Average wind speed in June:
3.4mph
- Average wind speed in July:
3.4mph - Average wind speed in August:
3.3mph - Average wind speed in September:
3.5mph - Average wind speed in October:
3.9mph - Average wind speed in November:
4.5mph - Average wind speed in December:
4.6mph
The windiest month (with the highest average wind speed) is January (5.1mph).
The calmest month (with the lowest average wind speed) is August (3.3mph).
Average humidity
Snoqualmie, WA
The months with the highest relative humidity are January and February (87%).
The month with the lowest relative humidity is July (71%).
Average rainfall
Snoqualmie, WA
- Average rainfall in January:
6.1" - Average rainfall in February:
4.49" - Average rainfall in March:
4.33" - Average rainfall in April:
3.19" - Average rainfall in May:
1.93" - Average rainfall in June:
1.46"
- Average rainfall in July:
0.59" - Average rainfall in August:
0.59" - Average rainfall in September:
1.89" - Average rainfall in October:
4.25" - Average rainfall in November:
5.08" - Average rainfall in December:
6.06"
The wettest month (with the highest rainfall) is January (6.1").
The driest months (with the least rainfall) are July and August (0.59").
Average rainfall days
Snoqualmie, WA
- Average rainfall days in January:
18.4 days - Average rainfall days in February:
17.1 days - Average rainfall days in March:
20.5 days - Average rainfall days in April:
19.2 days - Average rainfall days in May:
14.7 days - Average rainfall days in June:
13.8 days
- Average rainfall days in July:
7.9 days - Average rainfall days in August:
6.4 days - Average rainfall days in September:
12.6 days - Average rainfall days in October:
16.5 days - Average rainfall days in November:
19.3 days - Average rainfall days in December:
18.5 days
The month with the highest number of rainy days is March (20.5 days).
The month with the least rainy days is August (6.4 days).
Average snowfall
Snoqualmie, WA
The month with the highest snowfall is February (3.94").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days
Snoqualmie, WA
- Average snowfall days in January:
2.7 days - Average snowfall days in February:
5.4 days - Average snowfall days in March:
3.8 days - Average snowfall days in April:
0.8 days - Average snowfall days in May:
0 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
0 days - Average snowfall days in November:
1 days - Average snowfall days in December:
3.7 days
The month with the highest number of snowfall days is February (5.4 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Snoqualmie, WA
- Average daylight in January:
9h and 0min - Average daylight in February:
10h and 18min - Average daylight in March:
11h and 54min - Average daylight in April:
13h and 42min - Average daylight in May:
15h and 12min - Average daylight in June:
15h and 54min
- Average daylight in July:
15h and 30min - Average daylight in August:
14h and 12min - Average daylight in September:
12h and 30min - Average daylight in October:
10h and 48min - Average daylight in November:
9h and 18min - Average daylight in December:
8h and 30min
The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 30min).
- Average sunshine in January:
3h and 54min - Average sunshine in February:
4h and 0min - Average sunshine in March:
5h and 30min - Average sunshine in April:
7h and 18min - Average sunshine in May:
8h and 36min - Average sunshine in June:
8h and 54min
- Average sunshine in July:
10h and 24min - Average sunshine in August:
10h and 36min - Average sunshine in September:
8h and 54min - Average sunshine in October:
5h and 18min - Average sunshine in November:
4h and 6min - Average sunshine in December:
3h and 54min
The month with the most sunshine is August (Average sunshine: 10h and 36min).
The months with the least sunshine are January and December (Average sunshine: 3h and 54min).
Average sunshine days
Snoqualmie, WA
- Average sunshine days in January:
10.5 days - Average sunshine days in February:
7.8 days - Average sunshine days in March:
8.3 days - Average sunshine days in April:
8.7 days - Average sunshine days in May:
13.4 days - Average sunshine days in June:
13.5 days
- Average sunshine days in July:
20.3 days - Average sunshine days in August:
21.9 days - Average sunshine days in September:
16 days - Average sunshine days in October:
13.5 days - Average sunshine days in November:
8.9 days - Average sunshine days in December:
10 days
The month with the most sunshine days is August (21.9 days).
The month with the least sunshine days is February (7.8 days).
Average UV index
Snoqualmie, WA
The month with the highest UV index is July (UV index 5).
The month with the lowest UV index is February (UV index 1).
Average cloud cover
Snoqualmie, WA
The months with the most cloud cover are January, February, March and December (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility
Snoqualmie, WA
The months with the highest visibility are May, June, July, August, September and October (5mi).
The months with the lowest visibility are January, February, March, April, November and December (4mi).





