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 sees a temperature increase, moving from a chilly 48.6°F (9.2°C) in March to a comfortable 61.3°F (16.3°C). Throughout April, Washington registers a consistent average low-temperature of 41.2°F (5.1°C).Humidity
The months with the lowest humidity in Washington are April, July and August, with an average relative humidity of 77%.Rainfall
In Washington, during April, the rain falls for 13.7 days and regularly aggregates up to 1.57" (40mm) of precipitation. In Washington, during the entire year, the rain falls for 143 days and collects up to 14.8" (376mm) of precipitation.Snowfall
January through May, October through December are months with snowfall in Washington. In Washington, in April, snow falls for 1.3 days, with typically accumulated 0.12" (3mm) of snow. Throughout the year, there are 33.5 snowfall days, and 4.88" (124mm) of snow is accumulated.Daylight
The average length of the day in April in Washington is 13h and 18min.On the first day of the month, sunrise is at 7:03 am and sunset at 7:45 pm. On the last day of April, sunrise is at 6:20 am and sunset at 8:15 pm EDT.
Sunshine
The average sunshine in April is 7.8h.UV index
In April, the average daily maximum UV index in Washington is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for average individuals.Note: In April, the average maximum UV index of 4 translates into the following recommendations:
Take necessary precautions - Suggestions to elude sunburn are provided. Minimize direct exposure to the Sun during midday when its radiation is at its peak. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.
Frequently asked questions
What are the temperatures in Washington in April?
What are the least humid months in Washington?
What is the average humidity in April in Washington?
How many days does it rain in April in Washington?
How much does it snow in Washington in April?
How many hours of daylight does Washington have in April?
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, PA
- Average high temperature in April: 61.3°F
The warmest month (with the highest average high temperature) is July (83.3°F).
The month with the lowest average high temperature is January (33.6°F).
- Average low temperature in April: 41.2°F
The month with the highest average low temperature is July (61.9°F).
The coldest month (with the lowest average low temperature) is January (20.8°F).
Average pressure in April
Washington, PA
- Average pressure in April: 29.97"Hg
The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in April
Washington, PA
- Average wind speed in April: 7.3mph
The windiest month (with the highest average wind speed) is January (7.8mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).
Average humidity in April
Washington, PA
- Average humidity in April: 77%
The month with the highest relative humidity is February (85%).
The months with the lowest relative humidity are April, July and August (77%).
Average rainfall in April
Washington, PA
- Average rainfall in April: 1.57"
The wettest month (with the highest rainfall) is July (1.65").
The driest months (with the least rainfall) are January and November (0.94").
Average rainfall days in April
Washington, PA
- Average rainfall days in April: 13.7 days
The month with the highest number of rainy days is May (17.2 days).
The month with the least rainy days is February (7.3 days).
Average snowfall in April
Washington, PA
- Average snowfall in April: 0.12"
The month with the highest snowfall is February (1.26").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Washington, PA
- Average snowfall days in April: 1.3 days
The month with the highest number of snowfall days is January (9.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Washington, PA
- Average daylight in April: 13h and 2min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in April: 7h and 5min
The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).
Average sunshine days in April
Washington, PA
- Average sunshine days in April: 14.4 days
The month with the most sunshine days is November (19.1 days).
The month with the least sunshine days is May (11.8 days).
Average UV index in April
Washington, PA
- Average UV index in April: 4
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in April
Washington, PA
- Average cloud cover in April: 48
The month with the most cloud cover is January (Cloud cover 68).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in April
Washington, PA
- Average visibility in April: 6mi
The months with the highest visibility are April and November (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October and December (5mi).
Washington, Pennsylvania, USA
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