April weather forecastSnoqualmie, WA
April
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).Temperature
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). The average nighttime temperature in Snoqualmie lowers to a wintry 35.4°F (1.9°C) throughout April.Humidity
The average relative humidity in April in Snoqualmie is 83%.Rainfall
In Snoqualmie, in April, it is raining for 19.2 days, with typically 3.19" (81mm) of accumulated precipitation. Throughout the year, in Snoqualmie, there are 184.9 rainfall days, and 39.96" (1015mm) of precipitation is accumulated.Snowfall
Months with snowfall in Snoqualmie are January through April, November and December. April is the last month it regularly snows. During 0.8 snowfall days, in April, Snoqualmie aggregates 0.47" (12mm) of snow. Throughout the year, in Snoqualmie, there are 17.4 snowfall days, and 11.38" (289mm) of snow is accumulated.Daylight
The average length of the day in April in Snoqualmie is 13h and 40min.On the first day of the month, sunrise is at 6:44 am and sunset at 7:37 pm. On the last day of April, in Snoqualmie, sunrise is at 5:50 am and sunset at 8:18 pm PDT.
Sunshine
In April, the average sunshine is 7.3h.UV index
In Snoqualmie, Washington, the average daily maximum UV index in April is 3. A UV Index estimate of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for average individuals.Note: In April, the average maximum UV index of 3 translates into the following recommendations:
Take heed. Individuals of lighter complexion can be burned in less than half an hour. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Boost your sun resistance with garments that are densely woven yet spacious. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Snoqualmie, WA
- Average high temperature in April: 52.9°F
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).
- Average low temperature in April: 35.4°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 in April
Snoqualmie, WA
- Average pressure in April: 30.04"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 in April
Snoqualmie, WA
- Average wind speed in April: 3.9mph
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 in April
Snoqualmie, WA
- Average humidity in April: 83%
The months with the highest relative humidity are January and February (87%).
The month with the lowest relative humidity is July (71%).
Average rainfall in April
Snoqualmie, WA
- Average rainfall in April: 3.19"
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 in April
Snoqualmie, WA
- Average rainfall days in April: 19.2 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 in April
Snoqualmie, WA
- Average snowfall in April: 0.47"
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 in April
Snoqualmie, WA
- Average snowfall days in April: 0.8 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 in April /
Average sunshine in April
Snoqualmie, WA
- Average daylight in April: 13h and 42min
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 April: 7h and 18min
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 in April
Snoqualmie, WA
- Average sunshine days in April: 8.7 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 in April
Snoqualmie, WA
- Average UV index in April: 3
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 in April
Snoqualmie, WA
- Average cloud cover in April: 57
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 in April
Snoqualmie, WA
- Average visibility in April: 4mi
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).
