![]() ![]() Note: In April, the average maximum UV index of 3 translate into the following recommendations: A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for the average person. UV indexThe average daily maximum UV index in April is 3. SunshineIn Maple Valley, the average sunshine in April is 7.5h. On the last day of April, sunrise is at 5:52 am and sunset at 8:17 pm PDT. On the first day of the month, sunrise is at 6:46 am and sunset at 7:37 pm. DaylightIn April, the average length of the day in Maple Valley, Washington, is 13h and 40min. Throughout the year, there are 19.7 snowfall days, and 11.5" (292mm) of snow is accumulated. During 1.1 snowfall days, in April, Maple Valley aggregates 0.31" (8mm) of snow. April is the last month it regularly snows in Maple Valley, Washington. ![]() Snowfall January through April, November and December are months with snowfall. In Maple Valley, during the entire year, the rain falls for 182.4 days and collects up to 36.77" (934mm) of precipitation. Throughout April, 2.95" (75mm) of precipitation is accumulated. Rainfall In April, the rain falls for 18.5 days. HumidityIn April, the average relative humidity in Maple Valley is 82%. In April, the average low-temperature is 36.7☏ (2.6☌). TemperatureIn April, the average high-temperature marginally rises from a frosty 47.8☏ (8.8☌) in March to a fresh 53.2☏ (11.8☌). April in Maple Valley, Washington, is a fresh spring month, with temperature in the range of an average high of 53.2☏ (11.8☌) and an average low of 36.7☏ (2.6☌).
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