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
Entering April, Harrington sees a temperature rise, with the average high-temperature advancing from March's chilly 45.7°F (7.6°C) to a moderate 55.8°F (13.2°C). During April, Harrington sees a mean low-temperature of 37°F (2.8°C).Humidity
In Harrington, the average relative humidity in April is 64%.Rainfall
In Harrington, in April, during 16.2 rainfall days, 1.38" (35mm) of precipitation is typically accumulated. In Harrington, during the entire year, the rain falls for 127.9 days and collects up to 15.71" (399mm) of precipitation.Snowfall
Months with snowfall are January through May, September through December. In Harrington, during April, snow falls for 3.1 days and regularly aggregates up to 1.26" (32mm) of snow. In Harrington, during the entire year, snow falls for 65.1 days and aggregates up to 37.36" (949mm) of snow.Daylight
In Harrington, Washington, the average length of the day in April is 13h and 40min.On the first day of April, sunrise is at 6:29 am and sunset at 7:23 pm. On the last day of the month, sunrise is at 5:36 am and sunset at 8:04 pm PDT.
Sunshine
In Harrington, the average sunshine in April is 9.5h.UV index
The average daily maximum UV index in April is 3. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for the ordinary person.Note: The UV index of 3 during April translates into the following guidance:
Stay alert. Light-skinned people could suffer burns in less than 30 minutes. To avoid the Sun's strongest rays, limit exposure around the mid-day period. Boost your sun resistance with garments that are densely woven yet spacious. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average April temperature in Harrington?
What is the average humidity in April in Harrington?
How many days does it rain in April in Harrington?
How many days does it snow in April in Harrington?
What is the average length of the day in April in Harrington?
What time are sunrise and sunset in April in Harrington?
How many hours of sunshine does Harrington have in April?
What is the UV index reading in April in Harrington?
Average temperature in April
Harrington, WA
- Average high temperature in April: 55.8°F
The warmest months (with the highest average high temperature) are July and August (83.3°F).
The month with the lowest average high temperature is December (31.5°F).
- Average low temperature in April: 37°F
The month with the highest average low temperature is August (60.3°F).
The coldest month (with the lowest average low temperature) is December (21.9°F).
Average pressure in April
Harrington, WA
- Average pressure in April: 29.98"Hg
The month with the highest atmospheric pressure is January (30.19"Hg).
The month with the lowest atmospheric pressure is August (29.9"Hg).
Average wind speed in April
Harrington, WA
- Average wind speed in April: 8.1mph
The windiest months (with the highest average wind speed) are March and April (8.1mph).
The calmest month (with the lowest average wind speed) is August (6.3mph).
Average humidity in April
Harrington, WA
- Average humidity in April: 64%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is August (37%).
Average rainfall in April
Harrington, WA
- Average rainfall in April: 1.38"
The wettest month (with the highest rainfall) is March (1.97").
The driest months (with the least rainfall) are July and August (0.31").
Average rainfall days in April
Harrington, WA
- Average rainfall days in April: 16.2 days
The month with the highest number of rainy days is March (16.3 days).
The month with the least rainy days is August (5.2 days).
Average snowfall in April
Harrington, WA
- Average snowfall in April: 1.26"
The month with the highest snowfall is January (10").
The months with the least snowfall are June, July and August (0").
Average snowfall days in April
Harrington, WA
- Average snowfall days in April: 3.1 days
The month with the highest number of snowfall days is December (15.9 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in April /
Average sunshine in April
Harrington, 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: 9h and 3min
The month with the most sunshine is August (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 4h and 6min).
Average sunshine days in April
Harrington, WA
- Average sunshine days in April: 11.3 days
The month with the most sunshine days is July (23.7 days).
The month with the least sunshine days is March (10.2 days).
Average UV index in April
Harrington, WA
- Average UV index in April: 3
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover in April
Harrington, WA
- Average cloud cover in April: 39
The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is July (Cloud cover 12).
Average visibility in April
Harrington, WA
- Average visibility in April: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The month with the lowest visibility is January (4mi).
Harrington, Washington, USA
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