April weather forecastSumpter, OR
April
Weather in April
April is a fresh spring month in Sumpter, Oregon, with an average temperature ranging between max 50.5°F (10.3°C) and min 31.1°F (-0.5°C).Temperature
April brings a slight increase in the average high-temperature, progressing from a cold 41.9°F (5.5°C) in March to a cool 50.5°F (10.3°C). Sumpter's average low-temperature during April nights is observed to be a freezing cold 31.1°F (-0.5°C).Humidity
In April, the average relative humidity is 69%.Rainfall
In Sumpter, in April, during 14.3 rainfall days, 1.02" (26mm) of precipitation is typically accumulated. In Sumpter, during the entire year, the rain falls for 113.5 days and collects up to 12.56" (319mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In Sumpter, in April, snow falls for 3.5 days, with typically accumulated 1.18" (30mm) of snow. Throughout the year, there are 65.1 snowfall days, and 38.9" (988mm) of snow is accumulated.Daylight
In April, the average length of the day is 13h and 31min.On the first day of April in Sumpter, Oregon, sunrise is at 6:31 am and sunset at 7:21 pm. On the last day of the month, sunrise is at 5:42 am and sunset at 7:57 pm PDT.
Sunshine
The average sunshine in April is 10.4h.UV index
In April, the average daily maximum UV index is 3. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for the average person.Note: In April, the maximum UV index of 3 translates into these guidelines:
Stay alert. Light-skinned people could suffer burns in less than 30 minutes. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Beware! Reflection from snow can magnify the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Sumpter, OR
- Average high temperature in April: 50.5°F
The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is December (30.7°F).
- Average low temperature in April: 31.1°F
The month with the highest average low temperature is August (53.8°F).
The coldest month (with the lowest average low temperature) is December (18.5°F).
Average pressure in April
Sumpter, OR
- Average pressure in April: 30.01"Hg
The month with the highest atmospheric pressure is January (30.22"Hg).
The month with the lowest atmospheric pressure is August (29.92"Hg).
Average wind speed in April
Sumpter, OR
- Average wind speed in April: 6.2mph
The windiest month (with the highest average wind speed) is April (6.2mph).
The calmest months (with the lowest average wind speed) are September and October (5.4mph).
Average humidity in April
Sumpter, OR
- Average humidity in April: 69%
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is August (40%).
Average rainfall in April
Sumpter, OR
- Average rainfall in April: 1.02"
The wettest month (with the highest rainfall) is December (1.77").
The driest month (with the least rainfall) is August (0.31").
Average rainfall days in April
Sumpter, OR
- Average rainfall days in April: 14.3 days
The month with the highest number of rainy days is March (15.6 days).
The month with the least rainy days is August (4.4 days).
Average snowfall in April
Sumpter, OR
- Average snowfall in April: 1.18"
The month with the highest snowfall is December (10.59").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Sumpter, OR
- Average snowfall days in April: 3.5 days
The month with the highest number of snowfall days is December (14.7 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in April /
Average sunshine in April
Sumpter, OR
- Average daylight in April: 13h and 30min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in April: 10h and 24min
The month with the most sunshine is August (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 48min).
Average sunshine days in April
Sumpter, OR
- Average sunshine days in April: 12.6 days
The month with the most sunshine days is July (22.7 days).
The months with the least sunshine days are February and March (11.3 days).
Average UV index in April
Sumpter, OR
- Average UV index in April: 3
The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in April
Sumpter, OR
- Average cloud cover in April: 35
The month with the most cloud cover is February (Cloud cover 50).
The months with the least cloud cover are July and August (Cloud cover 9).
Average visibility in April
Sumpter, OR
- Average visibility in April: 6mi
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February and December (4mi).
