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
The commencement of April sees a minor shift in the average high-temperature, moving from a fresh 50.5°F (10.3°C) in March to a moderate 56.5°F (13.6°C). The nighttime temperature, during April, averages of 37.9°F (3.3°C).Humidity
The average relative humidity in April in Forest Grove is 81%.Rainfall
In Forest Grove, Oregon, in April, during 19.3 rainfall days, 2.91" (74mm) of precipitation is typically accumulated. Throughout the year, there are 183.5 rainfall days, and 34.45" (875mm) of precipitation is accumulated.Snowfall
In Forest Grove, snow does not fall in April through October.Daylight
In April, the average length of the day in Forest Grove is 13h and 34min.On the first day of the month, sunrise is at 6:50 am and sunset at 7:41 pm. On the last day of April, sunrise is at 6:00 am and sunset at 8:18 pm PDT.
Sunshine
The average sunshine in April is 6.3h.UV index
In Forest Grove, Oregon, the average daily maximum UV index in April is 3. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: In April, a daily maximum UV index of 3 leads to the following instructions:
Act with care - The suggestion to avoid sunburn is emphasized. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Forest Grove in April?
What is the average humidity in April?
How much does it rain in April?
When it does not snow?
Does it snow in April?
What is the average length of the day in April?
When are sunrise and sunset in April?
How long on average sun shines in April?
What is the UV index intensity in April?
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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