April weather forecastMarion, OR
April
Weather in April
April in Marion, Oregon, is a mild spring month, with an average temperature fluctuating between 56.7°F (13.7°C) and 37.9°F (3.3°C).Temperature
The shift into April is marked by a modest rise in the average high-temperature, moving from March's fresh 51.3°F (10.7°C) to a mild 56.7°F (13.7°C). Nighttime temperatures hover around an average low of 37.9°F (3.3°C) in April.Humidity
In April, the average relative humidity is 81%.Rainfall
In Marion, in April, during 18.8 rainfall days, 3.15" (80mm) of precipitation is typically accumulated. In Marion, during the entire year, the rain falls for 169.4 days and collects up to 31.57" (802mm) of precipitation.Snowfall
Months with snowfall are January through April, November and December. April is the last month it regularly snows. During 0.3 snowfall days, in April, Marion aggregates 0.08" (2mm) of snow. Throughout the year, there are 7.7 snowfall days, and 5.59" (142mm) of snow is accumulated.Daylight
In April, the average length of the day is 13h and 31min.On the first day of April, sunrise is at 6:50 am and sunset at 7:40 pm. On the last day of the month, sunrise is at 6:01 am and sunset at 8:16 pm PDT.
Sunshine
In April, the average sunshine is 7.4h.UV index
The average daily maximum UV index in April is 3. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for the ordinary person.Note: In April, a regular UV index of 3 translates into these guidelines:
Heed the precautions - Suggestions to avoid sunburn are made. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Marion, OR
- Average high temperature in April: 56.7°F
The warmest month (with the highest average high temperature) is August (79.9°F).
The month with the lowest average high temperature is December (44.6°F).
- Average low temperature in April: 37.9°F
The month with the highest average low temperature is August (52.2°F).
The coldest month (with the lowest average low temperature) is December (34.2°F).
Average pressure in April
Marion, 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
Marion, OR
- Average wind speed in April: 5mph
The windiest months (with the highest average wind speed) are January and March (5.5mph).
The calmest month (with the lowest average wind speed) is August (3.9mph).
Average humidity in April
Marion, 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
Marion, OR
- Average rainfall in April: 3.15"
The wettest month (with the highest rainfall) is December (4.57").
The driest month (with the least rainfall) is July (0.24").
Average rainfall days in April
Marion, OR
- Average rainfall days in April: 18.8 days
The month with the highest number of rainy days is March (20.6 days).
The month with the least rainy days is July (4.1 days).
Average snowfall in April
Marion, OR
- Average snowfall in April: 0.08"
The month with the highest snowfall is February (2.44").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in April
Marion, OR
- Average snowfall days in April: 0.3 days
The month with the highest number of snowfall days is February (2.9 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
Marion, 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: 7h and 24min
The months with the most sunshine are July and August (Average sunshine: 11h and 12min).
The month with the least sunshine is February (Average sunshine: 4h and 12min).
Average sunshine days in April
Marion, OR
- Average sunshine days in April: 9.4 days
The month with the most sunshine days is July (25.2 days).
The month with the least sunshine days is March (8.4 days).
Average UV index in April
Marion, 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
Marion, OR
- Average cloud cover in April: 55
The month with the most cloud cover is February (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 19).
Average visibility in April
Marion, 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).





