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
In Alpine, the average high-temperature in April slightly rises, from a cool 50.4°F (10.2°C) in March, to a refreshing 56.1°F (13.4°C). During the month of April, an average low-temperature of 38.1°F (3.4°C) is recorded.Humidity
The average relative humidity in April is 81%.Rainfall
In Alpine, in April, during 19 rainfall days, 3.58" (91mm) of precipitation is typically accumulated. In Alpine, Washington, during the entire year, the rain falls for 177.9 days and collects up to 40.67" (1033mm) of precipitation.Snowfall
In Alpine, snow does not fall in April through October.Daylight
In April, the average length of the day in Alpine is 13h and 35min.On the first day of April, sunrise is at 6:47 am and sunset at 7:38 pm. On the last day of the month, sunrise is at 5:57 am and sunset at 8:16 pm PDT.
Sunshine
In April, the average sunshine is 7.1h.UV index
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 the ordinary person.Note: During April, 3 as the daily maximum UV index converts into the following advice:
Take precautions - Protection against sunburn is recommended. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. Observe! Snow reflection can nearly intensify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average April temperature in Alpine?
What is the average humidity in April in Alpine?
How many days does it rain in April in Alpine?
When it does not snow in Alpine?
Does it snow in Alpine in April?
How many hours of daylight does Alpine have in April?
What time are sunrise and sunset in April in Alpine?
How many hours of sunshine does Alpine have in April?
What is the UV index intensity in April in Alpine?
Average temperature in April
Alpine, WA
- Average high temperature in April: 56.1°F
The warmest month (with the highest average high temperature) is August (79.3°F).
The month with the lowest average high temperature is December (42.6°F).
- Average low temperature in April: 38.1°F
The month with the highest average low temperature is August (52°F).
The coldest month (with the lowest average low temperature) is December (32.7°F).
Average pressure in April
Alpine, WA
- Average pressure in April: 30.06"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is August (30"Hg).
Average wind speed in April
Alpine, WA
- Average wind speed in April: 4.7mph
The windiest month (with the highest average wind speed) is January (6.1mph).
The calmest month (with the lowest average wind speed) is August (3.8mph).
Average humidity in April
Alpine, WA
- Average humidity in April: 81%
The month with the highest relative humidity is February (86%).
The month with the lowest relative humidity is August (67%).
Average rainfall in April
Alpine, WA
- Average rainfall in April: 3.58"
The wettest month (with the highest rainfall) is January (6.06").
The driest month (with the least rainfall) is July (0.35").
Average rainfall days in April
Alpine, WA
- Average rainfall days in April: 19 days
The month with the highest number of rainy days is March (20.3 days).
The month with the least rainy days is August (5.1 days).
Average snowfall in April
Alpine, WA
- Average snowfall in April: 0"
The month with the highest snowfall is February (2.76").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in April
Alpine, WA
- Average snowfall days in April: 0.2 days
The month with the highest number of snowfall days is February (3.7 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
Alpine, WA
- Average daylight in April: 13h and 4min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in April: 7h and 1min
The month with the most sunshine is August (Average sunshine: 10h and 48min).
The months with the least sunshine are January and February (Average sunshine: 3h and 48min).
Average sunshine days in April
Alpine, WA
- Average sunshine days in April: 9.5 days
The month with the most sunshine days is July (24.1 days).
The month with the least sunshine days is February (8.2 days).
Average UV index in April
Alpine, 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
Alpine, WA
- Average cloud cover in April: 57
The month with the most cloud cover is February (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 26).
Average visibility in April
Alpine, WA
- Average visibility in April: 5mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (5mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (5mi).
Alpine, Washington, USA
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