Climate and monthly weather forecastWest Lake Stevens, WA
Climate and monthly weather forecast
Weather in January
January in West Lake Stevens, Washington, is a chilly winter month, with an average temperature ranging between min 35.8°F (2.1°C) and max 44.1°F (6.7°C). West Lake Stevens's average high-temperature marks a chilly 44.1°F (6.7°C) with the advent of January, closely mirroring that of the preceding month. Weather in January »Weather in February
The last month of the winter, February, is another chilly month in West Lake Stevens, Washington, with an average temperature varying between 35.2°F (1.8°C) and 44.8°F (7.1°C). The advent of February signifies a minor shift to an average high-temperature of a still chilly 44.8°F (7.1°C), aligning closely with January. Weather in February »Weather in March
The first month of the spring, March, is also a frosty month in West Lake Stevens, Washington, with an average temperature ranging between max 48.9°F (9.4°C) and min 37°F (2.8°C). West Lake Stevens records a slight change with March's average high-temperatures adjusting to a still frosty 48.9°F (9.4°C) from February's 44.8°F (7.1°C). Weather in March »Weather in April
April in West Lake Stevens, Washington, is a cool spring month, with an average temperature fluctuating between 54.3°F (12.4°C) and 40.3°F (4.6°C). West Lake Stevens's weather in April presents a minor rise in the average high-temperature, moving from a chilly 48.9°F (9.4°C) in March to a fresh 54.3°F (12.4°C). Weather in April »Weather in May
May, the last month of the spring in West Lake Stevens, is an enjoyable month, with an average temperature fluctuating between 44.8°F (7.1°C) and 62.2°F (16.8°C). The start of May brings a subtle rise in the average high-temperature, moving from a fresh 54.3°F (12.4°C) in April to a refreshing 62.2°F (16.8°C). Weather in May »Weather in June
The first month of the summer, June, is still a refreshing month in West Lake Stevens, Washington, with an average temperature ranging between max 66.2°F (19°C) and min 47.7°F (8.7°C). June's presence records an average high-temperature of a still refreshing 66.2°F (19°C), closely mirroring May's climate. Weather in June »Weather in July
July in West Lake Stevens, Washington, is a pleasant summer month, with an average temperature ranging between min 51.4°F (10.8°C) and max 72.1°F (22.3°C). July brings a slight elevation in the average high-temperature, transitioning from June's comfortable 66.2°F (19°C) to a pleasant 72.1°F (22.3°C). Weather in July »Weather in August
August, the last month of the summer in West Lake Stevens, is also an agreeable month, with temperature in the range of an average high of 73°F (22.8°C) and an average low of 52.5°F (11.4°C). August brings the highest temperatures, with an average high of 73°F (22.8°C) and an average low of 52.5°F (11.4°C). Weather in August »Weather in September
September, the first month of the autumn in West Lake Stevens, is still a refreshing month, with an average temperature ranging between max 67.1°F (19.5°C) and min 50°F (10°C). West Lake Stevens's weather subtly changes with the onset of September, barely falling from a pleasant 73°F (22.8°C) in August to an enjoyable 67.1°F (19.5°C). Weather in September »Weather in October
October, the same as September, in West Lake Stevens, Washington, is a moderate autumn month, with an average temperature fluctuating between 57°F (13.9°C) and 44.4°F (6.9°C). West Lake Stevens's weather changes with the onset of October, slightly falling from a comfortable 67.1°F (19.5°C) in September to a mild 57°F (13.9°C). Weather in October »Weather in November
The last month of the autumn, November, is another chilly month in West Lake Stevens, Washington, with an average temperature ranging between max 47.7°F (8.7°C) and min 39.2°F (4°C). The arrival of November corresponds with a shift in temperature, down from a moderate 57°F (13.9°C) in October to a frosty 47.7°F (8.7°C). Weather in November »Weather in December
The first month of the winter, December, is also an icy month in West Lake Stevens, Washington, with an average temperature varying between 34.7°F (1.5°C) and 42.3°F (5.7°C). December is the coldest month, with an average high-temperature of 42.3°F (5.7°C) and an average low-temperature of 34.7°F (1.5°C). Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
West Lake Stevens, WA
The warmest month (with the highest average high temperature) is August (73°F).
The month with the lowest average high temperature is December (42.3°F).
The month with the highest average low temperature is August (52.5°F).
The coldest month (with the lowest average low temperature) is December (34.7°F).
Average pressure
West Lake Stevens, WA
- Average pressure in January:
30.09"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:
30.02"Hg - Average pressure in June:
30.02"Hg
- Average pressure in July:
30.03"Hg - Average pressure in August:
30"Hg - Average pressure in September:
30.01"Hg - Average pressure in October:
30.03"Hg - Average pressure in November:
30.03"Hg - Average pressure in December:
30.08"Hg
The month with the highest atmospheric pressure is January (30.09"Hg).
The month with the lowest atmospheric pressure is August (30"Hg).
Average wind speed
West Lake Stevens, WA
- Average wind speed in January:
5.7mph - Average wind speed in February:
5.2mph - Average wind speed in March:
5.8mph - Average wind speed in April:
5mph - Average wind speed in May:
4.1mph - Average wind speed in June:
3.9mph
- Average wind speed in July:
3.6mph - Average wind speed in August:
3.5mph - Average wind speed in September:
4mph - Average wind speed in October:
4.8mph - Average wind speed in November:
5.8mph - Average wind speed in December:
5.4mph
The windiest months (with the highest average wind speed) are March and November (5.8mph).
The calmest month (with the lowest average wind speed) is August (3.5mph).
Average humidity
West Lake Stevens, WA
The months with the highest relative humidity are January and December (85%).
The month with the lowest relative humidity is July (73%).
Average rainfall
West Lake Stevens, WA
- Average rainfall in January:
3.94" - Average rainfall in February:
3.03" - Average rainfall in March:
3.11" - Average rainfall in April:
2.64" - Average rainfall in May:
1.81" - Average rainfall in June:
1.3"
- Average rainfall in July:
0.47" - Average rainfall in August:
0.51" - Average rainfall in September:
1.77" - Average rainfall in October:
3.11" - Average rainfall in November:
4.06" - Average rainfall in December:
3.82"
The wettest month (with the highest rainfall) is November (4.06").
The driest month (with the least rainfall) is July (0.47").
Average rainfall days
West Lake Stevens, WA
- Average rainfall days in January:
18.2 days - Average rainfall days in February:
16.7 days - Average rainfall days in March:
19.8 days - Average rainfall days in April:
18.3 days - Average rainfall days in May:
13.3 days - Average rainfall days in June:
12.3 days
- Average rainfall days in July:
7.3 days - Average rainfall days in August:
6.1 days - Average rainfall days in September:
12.3 days - Average rainfall days in October:
15.8 days - Average rainfall days in November:
19.7 days - Average rainfall days in December:
19.3 days
The month with the highest number of rainy days is March (19.8 days).
The month with the least rainy days is August (6.1 days).
Average snowfall
West Lake Stevens, WA
The month with the highest snowfall is February (2.68").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days
West Lake Stevens, WA
- Average snowfall days in January:
1.9 days - Average snowfall days in February:
3.1 days - Average snowfall days in March:
1.6 days - Average snowfall days in April:
0.2 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:
0.6 days - Average snowfall days in December:
1.5 days
The month with the highest number of snowfall days is February (3.1 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
West Lake Stevens, WA
- Average daylight in January:
8h and 54min - 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:
16h and 0min
- Average daylight in July:
15h and 36min - Average daylight in August:
14h and 12min - Average daylight in September:
12h and 36min - 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: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 30min).
- Average sunshine in January:
4h and 12min - Average sunshine in February:
4h and 24min - Average sunshine in March:
6h and 6min - Average sunshine in April:
7h and 48min - Average sunshine in May:
9h and 12min - Average sunshine in June:
9h and 18min
- Average sunshine in July:
10h and 30min - Average sunshine in August:
10h and 36min - Average sunshine in September:
9h and 12min - Average sunshine in October:
5h and 24min - Average sunshine in November:
4h and 30min - Average sunshine in December:
4h and 12min
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: 4h and 12min).
Average sunshine days
West Lake Stevens, WA
- Average sunshine days in January:
10.8 days - Average sunshine days in February:
8.6 days - Average sunshine days in March:
9.6 days - Average sunshine days in April:
9.2 days - Average sunshine days in May:
15.4 days - Average sunshine days in June:
15.2 days
- Average sunshine days in July:
21.5 days - Average sunshine days in August:
23.1 days - Average sunshine days in September:
16.1 days - Average sunshine days in October:
13.8 days - Average sunshine days in November:
8.6 days - Average sunshine days in December:
10.1 days
The month with the most sunshine days is August (23.1 days).
The months with the least sunshine days are February and November (8.6 days).
Average UV index
West Lake Stevens, WA
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover
West Lake Stevens, WA
The month with the most cloud cover is December (Cloud cover 57).
The month with the least cloud cover is August (Cloud cover 26).
Average visibility
West Lake Stevens, WA
The months with the highest visibility are March, April, May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February, November and December (5mi).





