April weather forecastNorth Yelm, WA
April
Weather in April
April is a mild spring month in North Yelm, Washington, with temperature in the range of an average low of 37.8°F (3.2°C) and an average high of 56.3°F (13.5°C).Temperature
April's arrival brings a modest temperature shift, moving from a fresh 50.7°F (10.4°C) in March to a moderate 56.3°F (13.5°C). North Yelm records an average nighttime low-temperature of 37.8°F (3.2°C) throughout April.Humidity
In North Yelm, the average relative humidity in April is 81%.Rainfall
In April, the rain falls for 18.8 days. Throughout April, 2.8" (71mm) of precipitation is accumulated. Throughout the year, there are 178.1 rainfall days, and 33.82" (859mm) of precipitation is accumulated.Snowfall
Months with snowfall in North Yelm are January through April, November and December. April is the last month it regularly snows in North Yelm. During 0.3 snowfall days, in April, North Yelm aggregates 0.04" (1mm) of snow. Throughout the year, there are 9 snowfall days, and 6.38" (162mm) of snow is accumulated.Daylight
In April, the average length of the day in North Yelm is 13h and 38min.On the first day of April in North Yelm, sunrise is at 6:47 am and sunset at 7:40 pm. On the last day of the month, sunrise is at 5:54 am and sunset at 8:20 pm PDT.
Sunshine
In North Yelm, Washington, the average sunshine in April is 7.4h.UV index
In North Yelm, the average daily maximum UV index in April is 3. A UV Index reading of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for the average person.Note: In April, the maximum UV index of 3 suggests this advice:
Prioritize safety - The need to safeguard skin and eyes from harm is emphasized. To guard against the harmful effects of the Sun, minimize exposure during midday. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
North Yelm, WA
- Average high temperature in April: 56.3°F
The warmest month (with the highest average high temperature) is August (77.5°F).
The month with the lowest average high temperature is December (43°F).
- Average low temperature in April: 37.8°F
The month with the highest average low temperature is August (50.5°F).
The coldest month (with the lowest average low temperature) is December (32.9°F).
Average pressure in April
North Yelm, WA
- Average pressure in April: 30.06"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The months with the lowest atmospheric pressure are August and September (30.01"Hg).
Average wind speed in April
North Yelm, WA
- Average wind speed in April: 4.5mph
The windiest month (with the highest average wind speed) is January (4.9mph).
The calmest month (with the lowest average wind speed) is August (3.7mph).
Average humidity in April
North Yelm, WA
- Average humidity in April: 81%
The months with the highest relative humidity are January, February, November and December (87%).
The month with the lowest relative humidity is July (70%).
Average rainfall in April
North Yelm, WA
- Average rainfall in April: 2.8"
The wettest month (with the highest rainfall) is December (5.28").
The driest month (with the least rainfall) is July (0.39").
Average rainfall days in April
North Yelm, WA
- Average rainfall days in April: 18.8 days
The month with the highest number of rainy days is March (20.2 days).
The month with the least rainy days is August (5.3 days).
Average snowfall in April
North Yelm, WA
- Average snowfall in April: 0.04"
The month with the highest snowfall is February (2.4").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in April
North Yelm, WA
- Average snowfall days in April: 0.3 days
The month with the highest number of snowfall days is February (3.2 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
North Yelm, WA
- Average daylight in April: 13h and 36min
The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).
- Average sunshine in April: 7h and 24min
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 0min).
Average sunshine days in April
North Yelm, WA
- Average sunshine days in April: 9.3 days
The month with the most sunshine days is August (23.4 days).
The months with the least sunshine days are February and March (8.8 days).
Average UV index in April
North Yelm, WA
- Average UV index in April: 3
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 in April
North Yelm, WA
- Average cloud cover in April: 55
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
North Yelm, WA
- Average visibility in April: 5mi
The months with the highest visibility are April, May, June, July, August, September and October (5mi).
The months with the lowest visibility are January, February, March, November and December (4mi).





