April weather forecastEast Renton Highlands, WA
April
Weather in April
April in East Renton Highlands, Washington, is a mild spring month, with an average temperature ranging between min 38.7°F (3.7°C) and max 55.9°F (13.3°C).Temperature
April's arrival sees a mild rise in the average high-temperature, transitioning from March's cool 50°F (10°C) to a moderate 55.9°F (13.3°C). During the month of April, the temperature in East Renton Highlands generally drops to a low average of 38.7°F (3.7°C).Humidity
The average relative humidity in April in East Renton Highlands is 80%.Rainfall
In East Renton Highlands, in April, during 18 rainfall days, 2.83" (72mm) of precipitation is typically accumulated. Throughout the year, there are 175.4 rainfall days, and 33.9" (861mm) of precipitation is accumulated.Snowfall
Months with snowfall in East Renton Highlands are January through April, November and December. April is the last month it regularly snows. During 0.7 snowfall days, in April, East Renton Highlands aggregates 0.2" (5mm) of snow. Throughout the year, in East Renton Highlands, there are 13.6 snowfall days, and 7.6" (193mm) of snow is accumulated.Daylight
In East Renton Highlands, the average length of the day in April is 13h and 40min.On the first day of the month, sunrise is at 6:45 am and sunset at 7:38 pm. On the last day of April, sunrise is at 5:51 am and sunset at 8:19 pm PDT.
Sunshine
In April, the average sunshine in East Renton Highlands is 7.7h.UV index
The average daily maximum UV index in April in East Renton Highlands is 3. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for the average person.Note: The UV index of 3 during April translates into the following guidance:
Safety measures are advised. Light-skinned individuals may experience burns in under half an hour. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
East Renton Highlands, WA
- Average high temperature in April: 55.9°F
The warmest month (with the highest average high temperature) is August (77°F).
The month with the lowest average high temperature is December (42.3°F).
- Average low temperature in April: 38.7°F
The month with the highest average low temperature is August (52.3°F).
The coldest month (with the lowest average low temperature) is December (33.4°F).
Average pressure in April
East Renton Highlands, WA
- Average pressure in April: 30.04"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is August (30"Hg).
Average wind speed in April
East Renton Highlands, WA
- Average wind speed in April: 4.3mph
The windiest month (with the highest average wind speed) is January (5mph).
The calmest month (with the lowest average wind speed) is August (3.5mph).
Average humidity in April
East Renton Highlands, WA
- Average humidity in April: 80%
The months with the highest relative humidity are January, February and December (85%).
The month with the lowest relative humidity is July (69%).
Average rainfall in April
East Renton Highlands, WA
- Average rainfall in April: 2.83"
The wettest month (with the highest rainfall) is December (5.12").
The driest month (with the least rainfall) is July (0.51").
Average rainfall days in April
East Renton Highlands, WA
- Average rainfall days in April: 18 days
The month with the highest number of rainy days is March (19.7 days).
The month with the least rainy days is August (6.2 days).
Average snowfall in April
East Renton Highlands, WA
- Average snowfall in April: 0.2"
The month with the highest snowfall is February (3.62").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in April
East Renton Highlands, WA
- Average snowfall days in April: 0.7 days
The month with the highest number of snowfall days is February (4.7 days).
The months with the least snowfall days are May, June, July, August and October (0 days).
Average daylight in April /
Average sunshine in April
East Renton Highlands, 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 30min).
- Average sunshine in April: 7h and 42min
The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is December (Average sunshine: 4h and 0min).
Average sunshine days in April
East Renton Highlands, WA
- Average sunshine days in April: 9.8 days
The month with the most sunshine days is August (22.4 days).
The month with the least sunshine days is February (8.8 days).
Average UV index in April
East Renton Highlands, 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
East Renton Highlands, WA
- Average cloud cover in April: 54
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
East Renton Highlands, 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).
