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
In April, the average high-temperature marginally rises from a cool 52.5°F (11.4°C) in March to a mild 58.5°F (14.7°C). During April, Rivergrove consistently records a temperature low averaging an icy 39.7°F (4.3°C).Humidity
In Rivergrove, Oregon, the average relative humidity in April is 78%.Rainfall
In Rivergrove, in April, during 18.6 rainfall days, 2.95" (75mm) of precipitation is typically accumulated. Throughout the year, there are 170.9 rainfall days, and 30.67" (779mm) of precipitation is accumulated.Snowfall
In Rivergrove, snow does not fall in April through October.Daylight
The average length of the day in April is 13h and 33min.On the first day of April, sunrise is at 6:49 am and sunset at 7:39 pm. On the last day of the month, sunrise is at 5:59 am and sunset at 8:16 pm PDT.
Sunshine
The average sunshine in April is 7.6h.UV index
In Rivergrove, the average daily maximum UV index in April is 3. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: The UV index of 3 during April leads to these advisories:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average April temperature?
What is the average humidity in April?
How many days does it rain in April in Rivergrove?
When it does not snow?
Does it snow in April?
What is the average length of the day in April in Rivergrove?
When are sunrise and sunset in April?
How many hours of sunshine does Rivergrove have in April?
How high is the UV index in April?
Average temperature in April
Rivergrove, OR
- Average high temperature in April: 58.5°F
The warmest month (with the highest average high temperature) is August (82°F).
The month with the lowest average high temperature is December (44.1°F).
- Average low temperature in April: 39.7°F
The month with the highest average low temperature is August (55°F).
The coldest month (with the lowest average low temperature) is December (34.5°F).
Average pressure in April
Rivergrove, OR
- Average pressure in April: 30.06"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The months with the lowest atmospheric pressure are August and September (30.01"Hg).
Average wind speed in April
Rivergrove, OR
- Average wind speed in April: 4.8mph
The windiest month (with the highest average wind speed) is January (5.5mph).
The calmest month (with the lowest average wind speed) is August (3.9mph).
Average humidity in April
Rivergrove, OR
- Average humidity in April: 78%
The months with the highest relative humidity are January, February and December (84%).
The month with the lowest relative humidity is August (63%).
Average rainfall in April
Rivergrove, OR
- Average rainfall in April: 2.95"
The wettest month (with the highest rainfall) is December (4.57").
The driest month (with the least rainfall) is July (0.31").
Average rainfall days in April
Rivergrove, OR
- Average rainfall days in April: 18.6 days
The month with the highest number of rainy days is March (19.8 days).
The month with the least rainy days is August (4.8 days).
Average snowfall in April
Rivergrove, OR
- Average snowfall in April: 0"
The month with the highest snowfall is February (1.57").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in April
Rivergrove, OR
- Average snowfall days in April: 0 days
The month with the highest number of snowfall days is February (2.3 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in April /
Average sunshine in April
Rivergrove, 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: 7h and 4min
The month with the most sunshine is August (Average sunshine: 11h and 0min).
The month with the least sunshine is February (Average sunshine: 4h and 6min).
Average sunshine days in April
Rivergrove, OR
- Average sunshine days in April: 9.3 days
The month with the most sunshine days is July (25 days).
The month with the least sunshine days is February (8.6 days).
Average UV index in April
Rivergrove, OR
- Average UV index in April: 3
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in April
Rivergrove, OR
- Average cloud cover in April: 54
The month with the most cloud cover is February (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 22).
Average visibility in April
Rivergrove, OR
- Average visibility in April: 5mi
The months with the highest visibility are July, August and September (6mi).
The months with the lowest visibility are January, February, March, April, May, June, October, November and December (5mi).
Rivergrove, Oregon, USA
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