Contents
- Weather in April
- Frequently asked questions
- Average temperature in April
- Average pressure in April
- Average wind speed in April
- Average humidity in April
- Average rainfall in April
- Average rainfall days in April
- Average snowfall in April
- Average snowfall days in April
- Average daylight in April
- Average sunshine in April
- Average sunshine days in April
- Average UV index in April
- Average cloud cover in April
- Average visibility in April
Weather in April
Temperature
The shift into April in Renton brings a slight increase in the average high-temperature, moving from a cool 51.1°F (10.6°C) in March to a refreshing 56.8°F (13.8°C). In Renton, the expected average low-temperature for April is a wintry 39.4°F (4.1°C).Humidity
In April, the average relative humidity is 79%.Rainfall
In Renton, during April, the rain falls for 9.8 days and regularly aggregates up to 0.63" (16mm) of precipitation. In Renton, Washington, during the entire year, the rain falls for 100.6 days and collects up to 7.6" (193mm) of precipitation.Snowfall
In Renton, Washington, snow does not fall in April through October.Daylight
The average length of the day in April in Renton is 13h and 40min.On the first day of April, sunrise is at 6:45 am and sunset at 7:39 pm. On the last day of the month, sunrise is at 5:51 am and sunset at 8:19 pm PDT.
Sunshine
In April, the average sunshine is 7.8h.UV index
In Renton, the average daily maximum UV index in April is 3. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: In April, the maximum UV index of 3 translates into these guidelines:
Take necessary precautions - Suggestions to elude sunburn are provided. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Renton in April?
What is the average humidity in April in Renton?
How many days does it rain in April in Renton?
When it does not snow in Renton?
Does it snow in Renton in April?
How many hours of daylight does Renton have in April?
What time are sunrise and sunset in April in Renton?
How long on average sun shines in April in Renton?
What is the UV index intensity in April in Renton?
Average temperature in April
Renton, WA
- Average high temperature in April: 56.8°F
The warmest months (with the highest average high temperature) are July and August (77.4°F).
The month with the lowest average high temperature is December (43.3°F).
- Average low temperature in April: 39.4°F
The month with the highest average low temperature is August (53.6°F).
The coldest month (with the lowest average low temperature) is December (34.2°F).
Average pressure in April
Renton, 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
Renton, 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 (3.6mph).
Average humidity in April
Renton, WA
- Average humidity in April: 79%
The months with the highest relative humidity are January and December (85%).
The months with the lowest relative humidity are July and August (68%).
Average rainfall in April
Renton, WA
- Average rainfall in April: 0.63"
The wettest month (with the highest rainfall) is December (1.34").
The driest month (with the least rainfall) is July (0.12").
Average rainfall days in April
Renton, WA
- Average rainfall days in April: 9.8 days
The month with the highest number of rainy days is March (11.9 days).
The month with the least rainy days is August (3 days).
Average snowfall in April
Renton, WA
- Average snowfall in April: 0"
The month with the highest snowfall is February (0.63").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in April
Renton, WA
- Average snowfall days in April: 0.1 days
The month with the highest number of snowfall days is February (1.7 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
Renton, WA
- Average daylight in April: 13h and 4min
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 5min
The month with the most sunshine is August (Average sunshine: 10h and 36min).
The months with the least sunshine are January and December (Average sunshine: 4h and 6min).
Average sunshine days in April
Renton, WA
- Average sunshine days in April: 16.4 days
The month with the most sunshine days is August (25.8 days).
The month with the least sunshine days is February (15.5 days).
Average UV index in April
Renton, 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
Renton, WA
- Average cloud cover in April: 53
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
Renton, WA
- Average visibility in April: 5mi
The months with the highest visibility are June, July, August and September (6mi).
The months with the lowest visibility are January, February, March, April, May, October, November and December (5mi).
Renton, Washington, USA
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