April weather forecastSilverton, OR
April
Weather in April
April is a moderate spring month in Silverton, Oregon, with an average temperature varying between 38.7°F (3.7°C) and 57.2°F (14°C).Temperature
April's arrival signals a modest temperature shift, moving from a cool 51.4°F (10.8°C) in March to a refreshing 57.2°F (14°C). In the month of April, Silverton records a consistent average low-temperature of 38.7°F (3.7°C).Humidity
In Silverton, Oregon, the average relative humidity in April is 81%.Rainfall
In April, the rain falls for 18.6 days. Throughout April, 2.95" (75mm) of precipitation is accumulated. In Silverton, during the entire year, the rain falls for 168.8 days and collects up to 30.39" (772mm) of precipitation.Snowfall
April through October are months without snowfall in Silverton.Daylight
The average length of the day in April in Silverton is 13h and 32min.On the first day of the month, sunrise is at 6:49 am and sunset at 7:39 pm. On the last day of April, sunrise is at 6:00 am and sunset at 8:16 pm PDT.
Sunshine
In Silverton, the average sunshine in April is 7.3h.UV index
In Silverton, the average daily maximum UV index in April is 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: The maximum UV index of 3 during April leads to these instructions:
Act with care - The suggestion to avoid sunburn is emphasized. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Silverton, OR
- Average high temperature in April: 57.2°F
The warmest month (with the highest average high temperature) is August (80.2°F).
The month with the lowest average high temperature is December (44.4°F).
- Average low temperature in April: 38.7°F
The month with the highest average low temperature is August (52.5°F).
The coldest month (with the lowest average low temperature) is December (34.2°F).
Average pressure in April
Silverton, OR
- Average pressure in April: 30.07"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is August (30"Hg).
Average wind speed in April
Silverton, OR
- Average wind speed in April: 5.2mph
The windiest month (with the highest average wind speed) is January (5.9mph).
The calmest month (with the lowest average wind speed) is August (4mph).
Average humidity in April
Silverton, OR
- Average humidity in April: 81%
The month with the highest relative humidity is February (86%).
The month with the lowest relative humidity is August (66%).
Average rainfall in April
Silverton, OR
- Average rainfall in April: 2.95"
The wettest month (with the highest rainfall) is December (4.45").
The driest month (with the least rainfall) is July (0.28").
Average rainfall days in April
Silverton, OR
- Average rainfall days in April: 18.6 days
The month with the highest number of rainy days is March (20.4 days).
The month with the least rainy days is August (4.3 days).
Average snowfall in April
Silverton, OR
- Average snowfall in April: 0"
The month with the highest snowfall is February (1.73").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in April
Silverton, OR
- Average snowfall days in April: 0.1 days
The month with the highest number of snowfall days is February (2.4 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
Silverton, OR
- Average daylight in April: 13h and 30min
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 18min
The month with the most sunshine is August (Average sunshine: 11h and 6min).
The month with the least sunshine is February (Average sunshine: 4h and 6min).
Average sunshine days in April
Silverton, OR
- Average sunshine days in April: 9.6 days
The month with the most sunshine days is July (25.5 days).
The month with the least sunshine days is February (8.5 days).
Average UV index in April
Silverton, 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
Silverton, OR
- Average cloud cover in April: 55
The month with the most cloud cover is February (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 21).
Average visibility in April
Silverton, 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).
