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
As April begins, there's a slight increase in the average high-temperature, moving from a fresh 50.5°F (10.3°C) in March to a mild 56.5°F (13.6°C). Throughout April, Forest Grove's nights cool down to an average of 37.9°F (3.3°C).Humidity
In April, the average relative humidity in Forest Grove is 81%.Rainfall
In Forest Grove, in April, it is raining for 19.3 days, with typically 2.91" (74mm) of accumulated precipitation. In Forest Grove, during the entire year, the rain falls for 183.5 days and collects up to 34.45" (875mm) of precipitation.Snowfall
In Forest Grove, Oregon, snow does not fall in April through October.Daylight
In Forest Grove, the average length of the day in April is 13h and 34min.On the first day of April, sunrise is at 6:50 am and sunset at 7:41 pm. On the last day of the month, sunrise is at 6:00 am and sunset at 8:18 pm PDT.
Sunshine
In Forest Grove, Oregon, the average sunshine in April is 6.3h.UV index
In April, the average daily maximum UV index in Forest Grove, Oregon, is 3. A UV Index estimate of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: An average UV index of 3 in April transforms into this advice:
Take necessary precautions - Defending against sun damage is advocated. The solar radiation around mid-day is intense; avoid the Sun and stay safe. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Observe! Snow reflection can nearly intensify the Sun's UV radiation twofold.
Frequently asked questions
What is the temperature in April in Forest Grove?
What is the average humidity in April in Forest Grove?
How many days does it rain in April in Forest Grove?
When it does not snow in Forest Grove?
Does it snow in Forest Grove in April?
What is the average length of the day in April in Forest Grove?
What time are sunrise and sunset in April in Forest Grove?
How many hours of sunshine does Forest Grove have in April?
How high is the UV index in April in Forest Grove?
Average temperature in April
Forest Grove, OR
- Average high temperature in April: 56.5°F
The warmest month (with the highest average high temperature) is August (79.3°F).
The month with the lowest average high temperature is December (43°F).
- Average low temperature in April: 37.9°F
The month with the highest average low temperature is August (53.2°F).
The coldest month (with the lowest average low temperature) is December (33.1°F).
Average pressure in April
Forest Grove, OR
- Average pressure in April: 30.07"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The months with the lowest atmospheric pressure are August and September (30.01"Hg).
Average wind speed in April
Forest Grove, OR
- Average wind speed in April: 4.7mph
The windiest month (with the highest average wind speed) is March (4.9mph).
The calmest month (with the lowest average wind speed) is August (4mph).
Average humidity in April
Forest Grove, OR
- Average humidity in April: 81%
The months with the highest relative humidity are February and December (88%).
The month with the lowest relative humidity is August (69%).
Average rainfall in April
Forest Grove, OR
- Average rainfall in April: 2.91"
The wettest month (with the highest rainfall) is January (5.47").
The driest months (with the least rainfall) are July and August (0.47").
Average rainfall days in April
Forest Grove, OR
- Average rainfall days in April: 19.3 days
The month with the highest number of rainy days is March (21.4 days).
The month with the least rainy days is August (6.2 days).
Average snowfall in April
Forest Grove, OR
- Average snowfall in April: 0"
The month with the highest snowfall is February (1.54").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in April
Forest Grove, OR
- Average snowfall days in April: 0.1 days
The month with the highest number of snowfall days is February (2.9 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
Forest Grove, OR
- Average daylight in April: 13h and 4min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in April: 6h and 2min
The month with the most sunshine is August (Average sunshine: 10h and 24min).
The months with the least sunshine are January and February (Average sunshine: 3h and 30min).
Average sunshine days in April
Forest Grove, OR
- Average sunshine days in April: 9.3 days
The month with the most sunshine days is August (22 days).
The month with the least sunshine days is March (7.6 days).
Average UV index in April
Forest Grove, OR
- Average UV index in April: 3
The months with the highest UV index are June and July (UV index 5).
The month with the lowest UV index is November (UV index 1).
Average cloud cover in April
Forest Grove, OR
- Average cloud cover in April: 60
The month with the most cloud cover is February (Cloud cover 66).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in April
Forest Grove, OR
- Average visibility in April: 5mi
The months with the highest visibility are July and August (6mi).
The months with the lowest visibility are January, February, March, November and December (4mi).
Forest Grove, Oregon, USA
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