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
April's arrival registers an average high-temperature of a cool 52.3°F (11.3°C), closely aligning with the temperature of the previous month. The April average low temperature in Copalis Crossing, Washington, marginally lower than the daytime high, records at a frosty 43.9°F (6.6°C).Humidity
April through June, with an average relative humidity of 81%, are the least humid months.Rainfall
In Copalis Crossing, during April, the rain falls for 14.3 days and regularly aggregates up to 1.38" (35mm) of precipitation. In Copalis Crossing, during the entire year, the rain falls for 152.8 days and collects up to 19.41" (493mm) of precipitation.Snowfall
April through October and December are months without snowfall.Daylight
In April, the average length of the day is 13h and 39min.On the first day of April, sunrise is at 6:53 am and sunset at 7:46 pm. On the last day of the month, sunrise is at 6:00 am and sunset at 8:26 pm PDT.
Sunshine
The average sunshine in April in Copalis Crossing is 7.4h.UV index
In Copalis Crossing, the average daily maximum UV index in April is 3. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for average individuals.Note: A maximum high daily UV index of 3 during April translates into the following directions:
Exercise prevention - Warding off sunburn is urged. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in April?
What are the least humid months?
What is the average humidity in April in Copalis Crossing?
How many days does it rain in April?
When it does not snow?
Does it snow in April?
What is the average length of the day in April in Copalis Crossing?
When are sunrise and sunset in April?
How long on average sun shines in April?
What is the UV index reading in April?
Average temperature in April
Copalis Crossing, WA
- Average high temperature in April: 52.3°F
The warmest month (with the highest average high temperature) is August (65.8°F).
The month with the lowest average high temperature is December (45.5°F).
- Average low temperature in April: 43.9°F
The month with the highest average low temperature is August (54.5°F).
The coldest month (with the lowest average low temperature) is December (39.7°F).
Average pressure in April
Copalis Crossing, WA
- Average pressure in April: 30.06"Hg
The month with the highest atmospheric pressure is July (30.08"Hg).
The month with the lowest atmospheric pressure is March (30"Hg).
Average wind speed in April
Copalis Crossing, WA
- Average wind speed in April: 9mph
The windiest month (with the highest average wind speed) is January (10.9mph).
The calmest month (with the lowest average wind speed) is September (7.1mph).
Average humidity in April
Copalis Crossing, WA
- Average humidity in April: 81%
The month with the highest relative humidity is December (85%).
The months with the lowest relative humidity are April, May and June (81%).
Average rainfall in April
Copalis Crossing, WA
- Average rainfall in April: 1.38"
The wettest month (with the highest rainfall) is December (3.35").
The driest month (with the least rainfall) is July (0.24").
Average rainfall days in April
Copalis Crossing, WA
- Average rainfall days in April: 14.3 days
The month with the highest number of rainy days is December (18.5 days).
The month with the least rainy days is July (5.6 days).
Average snowfall in April
Copalis Crossing, WA
- Average snowfall in April: 0"
The month with the highest snowfall is February (1.02").
The months with the least snowfall are April, May, June, July, August, September, October and December (0").
Average snowfall days in April
Copalis Crossing, WA
- Average snowfall days in April: 0 days
The month with the highest number of snowfall days is February (1.6 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in April /
Average sunshine in April
Copalis Crossing, WA
- Average daylight in April: 13h and 4min
The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).
- Average sunshine in April: 7h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days in April
Copalis Crossing, WA
- Average sunshine days in April: 11.9 days
The month with the most sunshine days is July (23.8 days).
The month with the least sunshine days is December (10.7 days).
Average UV index in April
Copalis Crossing, WA
- Average UV index in April: 3
The months with the highest UV index are May, June, July, August and September (UV index 4).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in April
Copalis Crossing, WA
- Average cloud cover in April: 53
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is July (Cloud cover 33).
Average visibility in April
Copalis Crossing, WA
- Average visibility in April: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, September, October, November and December (6mi).
The month with the lowest visibility is August (5mi).
Copalis Crossing, Washington, USA
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