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
Observing a minor shift, the average high-temperature during April adjusts from March's fresh 50.2°F (10.1°C) to a moderate 55.9°F (13.3°C). Allyn's average low-temperature is measured at an icy 39°F (3.9°C) during April.Humidity
In Allyn, the average relative humidity in April is 80%.Rainfall
In April, the rain falls for 18.8 days. Throughout April, 2.09" (53mm) of precipitation is accumulated. In Allyn, Washington, during the entire year, the rain falls for 175.2 days and collects up to 30.43" (773mm) of precipitation.Snowfall
Months with snowfall are January through April, November and December. April is the last month it regularly snows in Allyn. During 0.5 snowfall days, in April, Allyn aggregates 0.04" (1mm) of snow. In Allyn, Washington, during the entire year, snow falls for 12.1 days and aggregates up to 7.05" (179mm) of snow.Daylight
In April, the average length of the day is 13h and 40min.On the first day of April in Allyn, sunrise is at 6:48 am and sunset at 7:41 pm. On the last day of the month, sunrise is at 5:54 am and sunset at 8:22 pm PDT.
Sunshine
In April, the average sunshine in Allyn is 7.9h.UV index
In April, the average daily maximum UV index is 3. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: In April, the maximum UV index of 3 suggests this advice:
Be careful. Light complexion individuals might get burns in fewer than 30 minutes. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. Employ a hat with a wide brim for robust protection, cutting UV exposure by half. Be informed! The Sun's UV radiation can be nearly doubled due to the reflection from snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are April temperatures in Allyn?
What is the average humidity in April in Allyn?
How many days does it rain in April in Allyn?
What is the last month it snows in Allyn?
What is the average length of the day in April in Allyn?
What time are sunrise and sunset in April in Allyn?
How many hours of sunshine does Allyn have in April?
How high is the UV index in April in Allyn?
Average temperature in April
Allyn, WA
- Average high temperature in April: 55.9°F
The warmest month (with the highest average high temperature) is August (77.4°F).
The month with the lowest average high temperature is December (42.3°F).
- Average low temperature in April: 39°F
The month with the highest average low temperature is August (53.2°F).
The coldest month (with the lowest average low temperature) is December (33.8°F).
Average pressure in April
Allyn, WA
- Average pressure in April: 30.05"Hg
The month with the highest atmospheric pressure is January (30.09"Hg).
The month with the lowest atmospheric pressure is March (30.01"Hg).
Average wind speed in April
Allyn, WA
- Average wind speed in April: 4.8mph
The windiest month (with the highest average wind speed) is March (5.2mph).
The calmest months (with the lowest average wind speed) are July and August (3.5mph).
Average humidity in April
Allyn, WA
- Average humidity in April: 80%
The month with the highest relative humidity is December (88%).
The month with the lowest relative humidity is July (69%).
Average rainfall in April
Allyn, WA
- Average rainfall in April: 2.09"
The wettest month (with the highest rainfall) is December (5").
The driest month (with the least rainfall) is July (0.43").
Average rainfall days in April
Allyn, WA
- Average rainfall days in April: 18.8 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 days).
Average snowfall in April
Allyn, WA
- Average snowfall in April: 0.04"
The month with the highest snowfall is February (2.91").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in April
Allyn, WA
- Average snowfall days in April: 0.5 days
The month with the highest number of snowfall days is February (3.8 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
Allyn, 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 month with the least sunshine is December (Average sunshine: 3h and 48min).
Average sunshine days in April
Allyn, WA
- Average sunshine days in April: 9.1 days
The month with the most sunshine days is August (22.3 days).
The month with the least sunshine days is November (8.7 days).
Average UV index in April
Allyn, 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
Allyn, WA
- Average cloud cover in April: 52
The month with the most cloud cover is December (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 26).
Average visibility in April
Allyn, WA
- Average visibility in April: 5mi
The months with the highest visibility are June, July and August (6mi).
The months with the lowest visibility are January, February, November and December (4mi).
Allyn, Washington, USA
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