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 Chehalis, the average high-temperature in April marginally rises from a cool 50.5°F (10.3°C) in March to a moderate 56.1°F (13.4°C). In Chehalis, in April, the average low-temperature is 36.9°F (2.7°C).Humidity
The average relative humidity in April is 83%.Rainfall
In Chehalis, Washington, during 19 rainfall days, 2.91" (74mm) of precipitation is typically accumulated. In Chehalis, during the entire year, the rain falls for 185.5 days and collects up to 36.1" (917mm) of precipitation.Snowfall
April through October are months without snowfall in Chehalis.Daylight
In Chehalis, the average length of the day in April is 13h and 37min.On the first day of April in Chehalis, sunrise is at 6:50 am and sunset at 7:40 pm. On the last day of the month, sunrise is at 5:58 am and sunset at 8:19 pm PDT.
Sunshine
The average sunshine in April is 6.8h.UV index
The average daily maximum UV index in April is 3. A UV Index estimate of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: The daily maximum UV index of 3 in April interpret into the following advice:
Take precautions - Protection against sunburn is recommended. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. 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. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
FAQ
What is the temperature in April in Chehalis?
What is the average humidity in April in Chehalis?
How many days does it rain in April in Chehalis?
When it does not snow in Chehalis?
Does it snow in Chehalis in April?
How many hours of daylight does Chehalis have in April?
When are sunrise and sunset in April in Chehalis?
How many hours of sunshine does Chehalis have in April?
What is the UV index intensity in April in Chehalis?
Average temperature in April
Chehalis, WA
- Average high temperature in April: 56.1°F
The warmest month (with the highest average high temperature) is August (77.5°F).
The month with the lowest average high temperature is December (42.6°F).
- Average low temperature in April: 36.9°F
The month with the highest average low temperature is August (50°F).
The coldest month (with the lowest average low temperature) is December (33.1°F).
Average pressure in April
Chehalis, WA
- Average pressure in April: 30.06"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 (30.02"Hg).
Average wind speed in April
Chehalis, WA
- Average wind speed in April: 4.3mph
The windiest months (with the highest average wind speed) are January, March and November (4.5mph).
The calmest month (with the lowest average wind speed) is September (3.6mph).
Average humidity in April
Chehalis, WA
- Average humidity in April: 83%
The months with the highest relative humidity are January, February, November and December (89%).
The month with the lowest relative humidity is July (73%).
Average rainfall in April
Chehalis, WA
- Average rainfall in April: 2.91"
The wettest month (with the highest rainfall) is January (5.51").
The driest month (with the least rainfall) is July (0.47").
Average rainfall days in April
Chehalis, WA
- Average rainfall days in April: 19 days
The month with the highest number of rainy days is March (21.5 days).
The month with the least rainy days is August (6.4 days).
Average snowfall in April
Chehalis, WA
- Average snowfall in April: 0"
The month with the highest snowfall is February (1.93").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in April
Chehalis, WA
- Average snowfall days in April: 0.1 days
The month with the highest number of snowfall days is February (3.5 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
Chehalis, WA
- Average daylight in April: 13h and 37min
The month with the longest days is June (Average daylight: 15h and 47min).
The month with the shortest days is December (Average daylight: 8h and 38min).
- Average sunshine in April: 6h and 48min
The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is December (Average sunshine: 3h and 30min).
Average sunshine days in April
Chehalis, WA
- Average sunshine days in April: 9.7 days
The months with the most sunshine days are July and August (20.8 days).
The month with the least sunshine days is February (7.6 days).
Average UV index in April
Chehalis, WA
- Average UV index in April: 3
The month with the highest UV index is 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
Chehalis, WA
- Average cloud cover in April: 60
The months with the most cloud cover are January, February and December (Cloud cover 65).
The month with the least cloud cover is August (Cloud cover 38).
Average visibility in April
Chehalis, WA
- Average visibility in April: 4mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (4mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (4mi).
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