April weather forecastOroville, WA
April
Weather in April
April in Oroville, Washington, is a chilly spring month, with an average temperature fluctuating between 49.6°F (9.8°C) and 29.7°F (-1.3°C).Temperature
Oroville's April weather brings a rise in high-temperatures, moving from a wintry 38.3°F (3.5°C) in March to a frosty 49.6°F (9.8°C). Oroville, in the month of April, anticipates a consistent average low-temperature of 29.7°F (-1.3°C).Humidity
In April, the average relative humidity is 72%.Rainfall
In April, the rain falls for 13.6 days. Throughout April, 1.22" (31mm) of precipitation is accumulated. Throughout the year, there are 112.2 rainfall days, and 14.69" (373mm) of precipitation is accumulated.Snowfall
Months with snowfall in Oroville are January through May, September through December. In Oroville, Washington, during April, snow falls for 5.6 days and regularly aggregates up to 1.81" (46mm) of snow. In Oroville, during the entire year, snow falls for 89.6 days and aggregates up to 47.44" (1205mm) of snow.Daylight
In April, the average length of the day in Oroville is 13h and 45min.On the first day of April, sunrise is at 6:33 am and sunset at 7:29 pm. On the last day of the month, sunrise is at 5:36 am and sunset at 8:12 pm PDT.
Sunshine
In Oroville, the average sunshine in April is 9.6h.UV index
In Oroville, the average daily maximum UV index in April is 3. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for the average person.Note: A maximum high daily UV index of 3 during April translates into the following directions:
Take necessary precautions - Protection from skin and eye injury is mandatory. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Be informed! The Sun's UV radiation can be nearly doubled due to the reflection from snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Oroville, WA
- Average high temperature in April: 49.6°F
The warmest month (with the highest average high temperature) is August (79.2°F).
The month with the lowest average high temperature is December (27°F).
- Average low temperature in April: 29.7°F
The month with the highest average low temperature is August (49.5°F).
The coldest month (with the lowest average low temperature) is December (13.1°F).
Average pressure in April
Oroville, WA
- Average pressure in April: 29.99"Hg
The month with the highest atmospheric pressure is January (30.18"Hg).
The months with the lowest atmospheric pressure are June and August (29.93"Hg).
Average wind speed in April
Oroville, WA
- Average wind speed in April: 4.5mph
The windiest month (with the highest average wind speed) is April (4.5mph).
The calmest months (with the lowest average wind speed) are January, February and December (3.7mph).
Average humidity in April
Oroville, WA
- Average humidity in April: 72%
The month with the highest relative humidity is January (94%).
The month with the lowest relative humidity is August (49%).
Average rainfall in April
Oroville, WA
- Average rainfall in April: 1.22"
The wettest month (with the highest rainfall) is May (1.97").
The driest month (with the least rainfall) is August (0.47").
Average rainfall days in April
Oroville, WA
- Average rainfall days in April: 13.6 days
The month with the highest number of rainy days is May (13.8 days).
The month with the least rainy days is December (5.7 days).
Average snowfall in April
Oroville, WA
- Average snowfall in April: 1.81"
The month with the highest snowfall is December (9.76").
The months with the least snowfall are June, July and August (0").
Average snowfall days in April
Oroville, WA
- Average snowfall days in April: 5.6 days
The month with the highest number of snowfall days is January (18.3 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in April /
Average sunshine in April
Oroville, WA
- Average daylight in April: 13h and 48min
The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 18min).
- Average sunshine in April: 9h and 36min
The month with the most sunshine is August (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in April
Oroville, WA
- Average sunshine days in April: 11.7 days
The month with the most sunshine days is August (22.4 days).
The month with the least sunshine days is March (10.8 days).
Average UV index in April
Oroville, WA
- 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 1).
Average cloud cover in April
Oroville, WA
- Average cloud cover in April: 40
The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 14).
Average visibility in April
Oroville, WA
- Average visibility in April: 6mi
The months with the highest visibility are April, May, June, July, August and September (6mi).
The month with the lowest visibility is January (2mi).
