April weather forecastSpanaway, WA
April
Weather in April
April is a mild spring month in Spanaway, Washington, with temperature in the range of an average low of 39.2°F (4°C) and an average high of 57°F (13.9°C).Temperature
Spanaway perceives a slight temperature ascent during April, with average high-temperatures adjusting from a fresh 51.4°F (10.8°C) in March to a mild 57°F (13.9°C). An average low-temperature of 39.2°F (4°C) is recorded during the nights in April.Humidity
In Spanaway, the average relative humidity in April is 79%.Rainfall
In Spanaway, during April, the rain falls for 18.3 days and regularly aggregates up to 2.48" (63mm) of precipitation. Throughout the year, there are 176.3 rainfall days, and 30.28" (769mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, November and December. April is the last month it regularly snows. During 0.2 snowfall days, in April, Spanaway aggregates 0.04" (1mm) of snow. Throughout the year, there are 9.4 snowfall days, and 4.84" (123mm) of snow is accumulated.Daylight
In Spanaway, the average length of the day in April is 13h and 39min.On the first day of the month, sunrise is at 6:46 am and sunset at 7:39 pm. On the last day of April, sunrise is at 5:53 am and sunset at 8:19 pm PDT.
Sunshine
In Spanaway, the average sunshine in April is 7.8h.UV index
The average daily maximum UV index in April is 3. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum daily UV index of 3 in April converts into the following recommendations:
Take necessary precautions - Suggestions to elude sunburn are provided. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Spanaway, WA
- Average high temperature in April: 57°F
The warmest month (with the highest average high temperature) is August (78.4°F).
The month with the lowest average high temperature is December (43.7°F).
- Average low temperature in April: 39.2°F
The month with the highest average low temperature is August (52.5°F).
The coldest month (with the lowest average low temperature) is February (34.2°F).
Average pressure in April
Spanaway, WA
- Average pressure in April: 30.05"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The months with the lowest atmospheric pressure are March, August and September (30.01"Hg).
Average wind speed in April
Spanaway, WA
- Average wind speed in April: 4.7mph
The windiest month (with the highest average wind speed) is March (5.2mph).
The calmest month (with the lowest average wind speed) is August (3.7mph).
Average humidity in April
Spanaway, WA
- Average humidity in April: 79%
The months with the highest relative humidity are January and December (87%).
The month with the lowest relative humidity is July (69%).
Average rainfall in April
Spanaway, WA
- Average rainfall in April: 2.48"
The wettest month (with the highest rainfall) is December (4.76").
The driest month (with the least rainfall) is July (0.39").
Average rainfall days in April
Spanaway, WA
- Average rainfall days in April: 18.3 days
The month with the highest number of rainy days is March (19.9 days).
The month with the least rainy days is August (5.1 days).
Average snowfall in April
Spanaway, WA
- Average snowfall in April: 0.04"
The month with the highest snowfall is February (2.09").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in April
Spanaway, WA
- Average snowfall days in April: 0.2 days
The month with the highest number of snowfall days is February (3.4 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
Spanaway, 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 48min
The month with the most sunshine is August (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 4h and 0min).
Average sunshine days in April
Spanaway, WA
- Average sunshine days in April: 9.8 days
The month with the most sunshine days is August (23.3 days).
The months with the least sunshine days are February and March (9 days).
Average UV index in April
Spanaway, WA
- Average UV index in April: 3
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in April
Spanaway, WA
- Average cloud cover in April: 52
The months with the most cloud cover are January and December (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility in April
Spanaway, WA
- Average visibility in April: 5mi
The months with the highest visibility are July and August (6mi).
The months with the lowest visibility are January, February, March, April, May, June, September, October, November and December (5mi).





