April weather forecastCosmopolis, WA
April
Weather in April
April, the same as March, is a cool spring month in Cosmopolis, Washington, with an average temperature fluctuating between 54.3°F (12.4°C) and 39.7°F (4.3°C).Temperature
Stepping into April, Cosmopolis records an average high-temperature of a still cool 54.3°F (12.4°C), almost consistent with March. April nights are marked by an average low-temperature of 39.7°F (4.3°C).Humidity
In April, the average relative humidity is 83%.Rainfall
In Cosmopolis, in April, it is raining for 11.4 days, with typically 0.63" (16mm) of accumulated precipitation. In Cosmopolis, during the entire year, the rain falls for 113.5 days and collects up to 10.24" (260mm) of precipitation.Snowfall
April through December are months without snowfall.Daylight
In April, the average length of the day is 13h and 38min.On the first day of the month, sunrise is at 6:52 am and sunset at 7:45 pm. On the last day of April, sunrise is at 5:59 am and sunset at 8:24 pm PDT.
Sunshine
The average sunshine in April is 7.1h.UV index
The average daily maximum UV index in April is 3. A UV Index estimate of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for the ordinary person.Note: A maximum daily UV index of 3 during April morphs into the following directions:
Exercise caution. The susceptibility of light skin individuals to burns is less than 30 minutes. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Cosmopolis, WA
- Average high temperature in April: 54.3°F
The warmest month (with the highest average high temperature) is August (71.4°F).
The month with the lowest average high temperature is December (44.2°F).
- Average low temperature in April: 39.7°F
The month with the highest average low temperature is August (51.1°F).
The coldest month (with the lowest average low temperature) is December (36.5°F).
Average pressure in April
Cosmopolis, WA
- Average pressure in April: 30.06"Hg
The month with the highest atmospheric pressure is July (30.08"Hg).
The month with the lowest atmospheric pressure is March (30.01"Hg).
Average wind speed in April
Cosmopolis, WA
- Average wind speed in April: 6mph
The windiest month (with the highest average wind speed) is January (7mph).
The calmest month (with the lowest average wind speed) is September (4.7mph).
Average humidity in April
Cosmopolis, WA
- Average humidity in April: 83%
The months with the highest relative humidity are November and December (88%).
The month with the lowest relative humidity is July (78%).
Average rainfall in April
Cosmopolis, WA
- Average rainfall in April: 0.63"
The wettest month (with the highest rainfall) is January (1.93").
The driest months (with the least rainfall) are July and August (0.12").
Average rainfall days in April
Cosmopolis, WA
- Average rainfall days in April: 11.4 days
The month with the highest number of rainy days is March (13.6 days).
The month with the least rainy days is August (3.2 days).
Average snowfall in April
Cosmopolis, WA
- Average snowfall in April: 0"
The months with the highest snowfall are January and February (0.28").
The months with the least snowfall are April, May, June, July, August, September, October, November and December (0").
Average snowfall days in April
Cosmopolis, WA
- Average snowfall days in April: 0 days
The month with the highest number of snowfall days is February (1.3 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in April /
Average sunshine in April
Cosmopolis, 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 6min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 24min).
Average sunshine days in April
Cosmopolis, WA
- Average sunshine days in April: 14.5 days
The month with the most sunshine days is August (25.4 days).
The months with the least sunshine days are February and March (14.1 days).
Average UV index in April
Cosmopolis, WA
- Average UV index in April: 3
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 2).
Average cloud cover in April
Cosmopolis, WA
- Average cloud cover in April: 55
The month with the most cloud cover is January (Cloud cover 64).
The month with the least cloud cover is July (Cloud cover 37).
Average visibility in April
Cosmopolis, WA
- Average visibility in April: 5mi
The months with the highest visibility are February, March, April, May, June and November (5mi).
The months with the lowest visibility are January, July, August, September, October and December (4mi).
