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 brings a slight rise in Washington's average high-temperature, moving from a chilly 47.8°F (8.8°C) in March to a fresh 55.2°F (12.9°C). The nighttime temperature, during April, averages of 35.4°F (1.9°C).Humidity
In April, the average relative humidity in Washington is 73%.Rainfall
In April, the rain falls for 11 days. Throughout April, 2.8" (71mm) of precipitation is accumulated. In Washington, during the entire year, the rain falls for 72.9 days and collects up to 36.06" (916mm) of precipitation.Snowfall
January through June, September through December are months with snowfall. In Washington, in April, snow falls for 6.3 days, with typically accumulated 11.61" (295mm) of snow. In Washington, during the entire year, snow falls for 53.3 days and aggregates up to 151.57" (3850mm) of snow.Daylight
In April, the average length of the day in Washington is 13h and 16min.On the first day of the month, sunrise is at 6:46 am and sunset at 7:27 pm. On the last day of April, in Washington, sunrise is at 6:04 am and sunset at 7:56 pm PDT.
Sunshine
In Washington, the average sunshine in April is 9.6h.UV index
In Washington, the average daily maximum UV index in April is 3. A UV Index estimate of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In April, an average UV index of 3 transforms into the following instructions:
Exercise caution. The susceptibility of light skin individuals to burns is less than 30 minutes. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Beware! Reflection from snow can magnify the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Washington in April?
What is the average humidity in April in Washington?
How much does it rain in Washington in April?
How much does it snow in Washington in April?
What is the average length of the day in April in Washington?
When are sunrise and sunset in April in Washington?
How long on average sun shines in April in Washington?
What is the UV index reading in April in Washington?
Average temperature in April
Washington, CA
- Average high temperature in April: 55.2°F
The warmest month (with the highest average high temperature) is July (83.5°F).
The month with the lowest average high temperature is December (43.7°F).
- Average low temperature in April: 35.4°F
The month with the highest average low temperature is July (52.9°F).
The coldest month (with the lowest average low temperature) is December (29.1°F).
Average pressure in April
Washington, CA
- Average pressure in April: 30.01"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in April
Washington, CA
- Average wind speed in April: 5.8mph
The windiest month (with the highest average wind speed) is February (6.3mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).
Average humidity in April
Washington, CA
- Average humidity in April: 73%
The month with the highest relative humidity is March (80%).
The month with the lowest relative humidity is July (39%).
Average rainfall in April
Washington, CA
- Average rainfall in April: 2.8"
The wettest month (with the highest rainfall) is March (7.09").
The driest month (with the least rainfall) is July (0.08").
Average rainfall days in April
Washington, CA
- Average rainfall days in April: 11 days
The month with the highest number of rainy days is April (11 days).
The month with the least rainy days is July (1.8 days).
Average snowfall in April
Washington, CA
- Average snowfall in April: 11.61"
The month with the highest snowfall is March (37.6").
The months with the least snowfall are July and August (0").
Average snowfall days in April
Washington, CA
- Average snowfall days in April: 6.3 days
The month with the highest number of snowfall days is March (11.7 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in April /
Average sunshine in April
Washington, CA
- Average daylight in April: 13h and 2min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in April: 9h and 4min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 5h and 36min).
Average sunshine days in April
Washington, CA
- Average sunshine days in April: 14 days
The month with the most sunshine days is July (28 days).
The month with the least sunshine days is March (12.6 days).
Average UV index in April
Washington, CA
- Average UV index in April: 3
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in April
Washington, CA
- Average cloud cover in April: 34
The month with the most cloud cover is March (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 5).
Average visibility in April
Washington, CA
- Average visibility in April: 5mi
The months with the highest visibility are May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March and April (5mi).
Washington, California, USA
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