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 introduces a marginal temperature uplift, with average high-temperatures adjusting from March's frosty 48.9°F (9.4°C) to a cool 54.3°F (12.4°C). Granite Falls records a mean low-temperature of 40.3°F (4.6°C) in April.Humidity
In Granite Falls, Washington, the average relative humidity in April is 80%.Rainfall
In Granite Falls, in April, it is raining for 18.3 days, with typically 2.64" (67mm) of accumulated precipitation. In Granite Falls, during the entire year, the rain falls for 179.1 days and collects up to 29.57" (751mm) of precipitation.Snowfall
January through April, November and December are months with snowfall in Granite Falls. April is the last month it regularly snows in Granite Falls. During 0.2 snowfall days, in April, Granite Falls aggregates 0.04" (1mm) of snow. In Granite Falls, during the entire year, snow falls for 8.9 days and aggregates up to 6.1" (155mm) of snow.Daylight
In Granite Falls, the average length of the day in April is 13h and 42min.On the first day of the month, sunrise is at 6:44 am and sunset at 7:38 pm. On the last day of April, sunrise is at 5:49 am and sunset at 8:20 pm PDT.
Sunshine
In April, the average sunshine is 7.8h.UV index
In April, the average daily maximum UV index in Granite Falls is 3. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for average individuals.Note: The maximum UV index of 3 during April translates into these guidelines:
Exercise caution. The susceptibility of light skin individuals to burns is less than 30 minutes. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
Frequently asked questions
What are April temperatures in Granite Falls?
What is the average humidity in April in Granite Falls?
How much does it rain in Granite Falls in April?
What is the last month it snows in Granite Falls?
How many hours of daylight does Granite Falls have in April?
When is the sunrise / sunset in April in Granite Falls?
How many hours of sunshine does Granite Falls have in April?
What is the UV index reading in April in Granite Falls?
Average temperature in April
Granite Falls, WA
- Average high temperature in April: 54.3°F
The warmest month (with the highest average high temperature) is August (73°F).
The month with the lowest average high temperature is December (42.3°F).
- Average low temperature in April: 40.3°F
The month with the highest average low temperature is August (52.5°F).
The coldest month (with the lowest average low temperature) is December (34.7°F).
Average pressure in April
Granite Falls, WA
- Average pressure in April: 30.04"Hg
The month with the highest atmospheric pressure is January (30.09"Hg).
The month with the lowest atmospheric pressure is August (30"Hg).
Average wind speed in April
Granite Falls, WA
- Average wind speed in April: 5mph
The windiest months (with the highest average wind speed) are March and November (5.8mph).
The calmest month (with the lowest average wind speed) is August (3.5mph).
Average humidity in April
Granite Falls, WA
- Average humidity in April: 80%
The months with the highest relative humidity are January and December (85%).
The month with the lowest relative humidity is July (73%).
Average rainfall in April
Granite Falls, WA
- Average rainfall in April: 2.64"
The wettest month (with the highest rainfall) is November (4.06").
The driest month (with the least rainfall) is July (0.47").
Average rainfall days in April
Granite Falls, WA
- Average rainfall days in April: 18.3 days
The month with the highest number of rainy days is March (19.8 days).
The month with the least rainy days is August (6.1 days).
Average snowfall in April
Granite Falls, WA
- Average snowfall in April: 0.04"
The month with the highest snowfall is February (2.68").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in April
Granite Falls, WA
- Average snowfall days in April: 0.2 days
The month with the highest number of snowfall days is February (3.1 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
Granite Falls, WA
- Average daylight in April: 13h and 4min
The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 24min).
- Average sunshine in April: 7h and 5min
The month with the most sunshine is August (Average sunshine: 10h and 36min).
The months with the least sunshine are January and December (Average sunshine: 4h and 12min).
Average sunshine days in April
Granite Falls, WA
- Average sunshine days in April: 9.2 days
The month with the most sunshine days is August (23.1 days).
The months with the least sunshine days are February and November (8.6 days).
Average UV index in April
Granite Falls, WA
- Average UV index in April: 3
The months with the highest UV index are June and 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
Granite Falls, WA
- Average cloud cover in April: 51
The month with the most cloud cover is December (Cloud cover 57).
The month with the least cloud cover is August (Cloud cover 26).
Average visibility in April
Granite Falls, WA
- Average visibility in April: 6mi
The months with the highest visibility are March, April, May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February, November and December (5mi).
Granite Falls, Washington, USA
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