April weather forecastCornelius, OR
April
Weather in April
April is a refreshing spring month in Cornelius, Oregon, with an average temperature fluctuating between 39.4°F (4.1°C) and 58.3°F (14.6°C).Temperature
April brings a slight rise in Cornelius's average high-temperature, moving from a cool 52.2°F (11.2°C) in March to a mild 58.3°F (14.6°C). During April, the average low-temperature is recorded at a cold 39.4°F (4.1°C).Humidity
In Cornelius, the average relative humidity in April is 78%.Rainfall
In Cornelius, Oregon, in April, it is raining for 18.6 days, with typically 2.64" (67mm) of accumulated precipitation. In Cornelius, during the entire year, the rain falls for 173 days and collects up to 29.49" (749mm) of precipitation.Snowfall
In Cornelius, snow does not fall in April through October.Daylight
In April, the average length of the day 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 in Cornelius is 7h.UV index
The average daily maximum UV index in April is 3. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: The maximum daily UV index of 3 in April converts into the following recommendations:
Be vigilant - Suggestions to stave off sun damage are provided. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Cornelius, OR
- Average high temperature in April: 58.3°F
The warmest month (with the highest average high temperature) is August (81.5°F).
The month with the lowest average high temperature is December (43.9°F).
- Average low temperature in April: 39.4°F
The month with the highest average low temperature is August (55.4°F).
The coldest month (with the lowest average low temperature) is December (34°F).
Average pressure in April
Cornelius, OR
- Average pressure in April: 30.07"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
Cornelius, OR
- Average wind speed in April: 4.8mph
The windiest month (with the highest average wind speed) is March (5mph).
The calmest months (with the lowest average wind speed) are June, August and September (4.3mph).
Average humidity in April
Cornelius, OR
- Average humidity in April: 78%
The months with the highest relative humidity are January, February, November and December (85%).
The month with the lowest relative humidity is August (64%).
Average rainfall in April
Cornelius, OR
- Average rainfall in April: 2.64"
The wettest month (with the highest rainfall) is January (4.57").
The driest month (with the least rainfall) is August (0.31").
Average rainfall days in April
Cornelius, OR
- Average rainfall days in April: 18.6 days
The month with the highest number of rainy days is March (20.8 days).
The month with the least rainy days is August (4.4 days).
Average snowfall in April
Cornelius, OR
- Average snowfall in April: 0"
The month with the highest snowfall is February (1.81").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in April
Cornelius, OR
- Average snowfall days in April: 0 days
The month with the highest number of snowfall days is February (2.4 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
Cornelius, OR
- Average daylight in April: 13h and 36min
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 0min
The month with the most sunshine is August (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 3h and 42min).
Average sunshine days in April
Cornelius, OR
- Average sunshine days in April: 9 days
The month with the most sunshine days is July (24.4 days).
The month with the least sunshine days is March (8.5 days).
Average UV index in April
Cornelius, 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
Cornelius, OR
- Average cloud cover in April: 57
The month with the most cloud cover is February (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 25).
Average visibility in April
Cornelius, 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 and February (4mi).





