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
As April arrives, a slight rise in the average high-temperature is observed, moving from a fresh 50.9°F (10.5°C) in March to a moderate 56.7°F (13.7°C). Throughout April, an average low-temperature of 39.9°F (4.4°C) is experienced in Retsil.Humidity
In Retsil, Washington, the average relative humidity in April is 79%.Rainfall
In Retsil, during April, the rain falls for 13.3 days and regularly aggregates up to 0.79" (20mm) of precipitation. Throughout the year, there are 138.9 rainfall days, and 12.24" (311mm) of precipitation is accumulated.Snowfall
April through October are months without snowfall in Retsil.Daylight
The average length of the day in April in Retsil, Washington, is 13h and 40min.On the first day of April, sunrise is at 6:47 am and sunset at 7:40 pm. On the last day of the month, sunrise is at 5:53 am and sunset at 8:21 pm PDT.
Sunshine
In April, the average sunshine in Retsil, Washington, is 8.1h.UV index
In April, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for ordinary individuals.Note: The maximum UV index of 4 during April translates into these guidelines:
Be careful. Light complexion individuals might get burns in fewer than 30 minutes. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.
Frequently asked questions
What is the temperature in April in Retsil?
What is the average humidity in April in Retsil?
How much does it rain in Retsil in April?
When it does not snow in Retsil?
Does it snow in Retsil in April?
How many hours of daylight does Retsil have in April?
When are sunrise and sunset in April in Retsil?
How long on average sun shines in April in Retsil?
What is the UV index intensity in April in Retsil?
Average temperature in April
Retsil, WA
- Average high temperature in April: 56.7°F
The warmest month (with the highest average high temperature) is August (77.2°F).
The month with the lowest average high temperature is December (43.2°F).
- Average low temperature in April: 39.9°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 (34.9°F).
Average pressure in April
Retsil, WA
- Average pressure in April: 30.05"Hg
The month with the highest atmospheric pressure is January (30.09"Hg).
The months with the lowest atmospheric pressure are March, August and September (30.01"Hg).
Average wind speed in April
Retsil, WA
- Average wind speed in April: 5mph
The windiest month (with the highest average wind speed) is March (5.5mph).
The calmest months (with the lowest average wind speed) are July and August (3.5mph).
Average humidity in April
Retsil, WA
- Average humidity in April: 79%
The month with the highest relative humidity is December (87%).
The month with the lowest relative humidity is July (69%).
Average rainfall in April
Retsil, WA
- Average rainfall in April: 0.79"
The wettest months (with the highest rainfall) are January and December (2.05").
The driest month (with the least rainfall) is July (0.28").
Average rainfall days in April
Retsil, WA
- Average rainfall days in April: 13.3 days
The month with the highest number of rainy days is March (15.3 days).
The month with the least rainy days is August (5.4 days).
Average snowfall in April
Retsil, WA
- Average snowfall in April: 0"
The month with the highest snowfall is February (1.22").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in April
Retsil, WA
- Average snowfall days in April: 0.1 days
The month with the highest number of snowfall days is February (2.8 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
Retsil, 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: 8h and 1min
The month with the most sunshine is August (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 4h and 6min).
Average sunshine days in April
Retsil, WA
- Average sunshine days in April: 13.8 days
The month with the most sunshine days is August (22.8 days).
The month with the least sunshine days is February (11.8 days).
Average UV index in April
Retsil, WA
- Average UV index in April: 4
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
Retsil, WA
- Average cloud cover in April: 50
The month with the most cloud cover is December (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 25).
Average visibility in April
Retsil, WA
- Average visibility in April: 5mi
The months with the highest visibility are May, June, July, August and September (6mi).
The months with the lowest visibility are January, February, March, April, October, November and December (5mi).
Retsil, Washington, USA
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