April weather forecastNelson, WA
April
Weather in April
April in Nelson, Washington, is a chilly spring month, with an average temperature varying between 29.7°F (-1.3°C) and 46.2°F (7.9°C).Temperature
The arrival of April brings a soft temperature shift, with the average high-temperature nudging from a cold 37.6°F (3.1°C) in March to a frosty 46.2°F (7.9°C). The average low-temperature in Nelson during April nights is a freezing cold 29.7°F (-1.3°C).Humidity
In April, the average relative humidity in Nelson is 80%.Rainfall
In Nelson, in April, during 18.3 rainfall days, 1.93" (49mm) of precipitation is typically accumulated. In Nelson, during the entire year, the rain falls for 161.2 days and collects up to 28.46" (723mm) of precipitation.Snowfall
January through May, September through December are months with snowfall. In April, it is snowing for 5.3 days. Throughout April, 1.97" (50mm) of snow is accumulated. In Nelson, Washington, during the entire year, snow falls for 69.9 days and aggregates up to 60.24" (1530mm) of snow.Daylight
In Nelson, the average length of the day in April is 13h and 39min.On the first day of April in Nelson, sunrise is at 6:41 am and sunset at 7:34 pm. On the last day of the month, sunrise is at 5:48 am and sunset at 8:14 pm PDT.
Sunshine
In Nelson, the average sunshine in April is 9.2h.UV index
The average daily maximum UV index in April in Nelson is 2. A UV Index estimate of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: The UV index of 2 during April translates into the following guidance:
While many people can endure lengthy sun exposure, it remains imperative to safeguard babies, children, and fair-skinned individuals. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Nelson, WA
- Average high temperature in April: 46.2°F
The warmest month (with the highest average high temperature) is August (75.4°F).
The month with the lowest average high temperature is December (29.7°F).
- Average low temperature in April: 29.7°F
The month with the highest average low temperature is August (47.8°F).
The coldest month (with the lowest average low temperature) is December (18.3°F).
Average pressure in April
Nelson, WA
- Average pressure in April: 30.02"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is August (29.96"Hg).
Average wind speed in April
Nelson, WA
- Average wind speed in April: 5.8mph
The windiest month (with the highest average wind speed) is June (6.7mph).
The calmest month (with the lowest average wind speed) is December (4.2mph).
Average humidity in April
Nelson, WA
- Average humidity in April: 80%
The months with the highest relative humidity are January and February (92%).
The months with the lowest relative humidity are July and August (60%).
Average rainfall in April
Nelson, WA
- Average rainfall in April: 1.93"
The wettest month (with the highest rainfall) is January (4.41").
The driest month (with the least rainfall) is July (0.39").
Average rainfall days in April
Nelson, WA
- Average rainfall days in April: 18.3 days
The months with the highest number of rainy days are March and April (18.3 days).
The month with the least rainy days is August (5.5 days).
Average snowfall in April
Nelson, WA
- Average snowfall in April: 1.97"
The month with the highest snowfall is January (16.3").
The months with the least snowfall are June, July and August (0").
Average snowfall days in April
Nelson, WA
- Average snowfall days in April: 5.3 days
The month with the highest number of snowfall days is December (15.1 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in April /
Average sunshine in April
Nelson, 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 36min).
- Average sunshine in April: 9h and 12min
The month with the most sunshine is August (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 24min).
Average sunshine days in April
Nelson, WA
- Average sunshine days in April: 8.5 days
The month with the most sunshine days is August (22.8 days).
The month with the least sunshine days is February (6.8 days).
Average UV index in April
Nelson, WA
- Average UV index in April: 2
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 1).
Average cloud cover in April
Nelson, WA
- Average cloud cover in April: 47
The month with the most cloud cover is January (Cloud cover 63).
The months with the least cloud cover are July and August (Cloud cover 18).
Average visibility in April
Nelson, WA
- Average visibility in April: 5mi
The months with the highest visibility are May, June, July, August and September (6mi).
The month with the lowest visibility is January (3mi).
