Contents
- Weather in April
- Frequently asked questions
- Average temperature in April
- Average pressure in April
- Average wind speed in April
- Average humidity in April
- Average rainfall in April
- Average rainfall days in April
- Average snowfall in April
- Average snowfall days in April
- Average daylight in April
- Average sunshine in April
- Average sunshine days in April
- Average UV index in April
- Average cloud cover in April
- Average visibility in April
Weather in April
Temperature
A soft shift in the average high-temperature is noticeable in April, transitioning from a cold 42.6°F (5.9°C) in March to a fresh 50.4°F (10.2°C). Throughout April, Seneca anticipates an average low-temperature of 29.3°F (-1.5°C).Humidity
The average relative humidity in April is 70%.Rainfall
In Seneca, during April, the rain falls for 14.9 days and regularly aggregates up to 1.85" (47mm) of precipitation. Throughout the year, there are 127.7 rainfall days, and 17.09" (434mm) of precipitation is accumulated.Snowfall
January through May, September through December are months with snowfall in Seneca. In Seneca, in April, during 4.6 snowfall days, 1.69" (43mm) of snow is typically accumulated. Throughout the year, there are 62.5 snowfall days, and 39.17" (995mm) of snow is accumulated.Daylight
The average length of the day in April is 13h and 29min.On the first day of April, sunrise is at 6:35 am and sunset at 7:23 pm. On the last day of the month, sunrise is at 5:47 am and sunset at 7:58 pm PDT.
Sunshine
In Seneca, the average sunshine in April is 10.2h.UV index
In Seneca, the average daily maximum UV index in April is 3. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: The maximum UV index of 3 during April translates into these guidelines:
Put precautions into practice - Ensuring skin and eye safety is a necessity. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Experience reduced UV exposure by about half when donning a wide-brim hat. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are April temperatures in Seneca?
What is the average humidity in April?
How much does it rain in April?
How much does it snow in April?
What is the average length of the day in April?
When is the sunrise / sunset in April in Seneca?
How many hours of sunshine does Seneca have in April?
What is the UV index reading in April?
Average temperature in April
Seneca, OR
- Average high temperature in April: 50.4°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 (33.4°F).
- Average low temperature in April: 29.3°F
The month with the highest average low temperature is August (49.6°F).
The coldest month (with the lowest average low temperature) is December (19.6°F).
Average pressure in April
Seneca, 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 (29.93"Hg).
Average wind speed in April
Seneca, 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 August and September (5mph).
Average humidity in April
Seneca, OR
- Average humidity in April: 70%
The month with the highest relative humidity is February (85%).
The month with the lowest relative humidity is August (42%).
Average rainfall in April
Seneca, OR
- Average rainfall in April: 1.85"
The wettest month (with the highest rainfall) is February (2.28").
The driest month (with the least rainfall) is July (0.24").
Average rainfall days in April
Seneca, OR
- Average rainfall days in April: 14.9 days
The month with the highest number of rainy days is March (17.3 days).
The month with the least rainy days is August (3.3 days).
Average snowfall in April
Seneca, OR
- Average snowfall in April: 1.69"
The month with the highest snowfall is February (10.31").
The months with the least snowfall are June, July and August (0").
Average snowfall days in April
Seneca, OR
- Average snowfall days in April: 4.6 days
The month with the highest number of snowfall days is December (14.5 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in April /
Average sunshine in April
Seneca, OR
- Average daylight in April: 13h and 3min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in April: 10h and 1min
The month with the most sunshine is August (Average sunshine: 12h and 6min).
The months with the least sunshine are January and February (Average sunshine: 5h and 12min).
Average sunshine days in April
Seneca, OR
- Average sunshine days in April: 11.8 days
The month with the most sunshine days is July (24.9 days).
The month with the least sunshine days is February (9 days).
Average UV index in April
Seneca, 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, March, October, November and December (UV index 2).
Average cloud cover in April
Seneca, OR
- Average cloud cover in April: 37
The month with the most cloud cover is February (Cloud cover 49).
The months with the least cloud cover are July and August (Cloud cover 9).
Average visibility in April
Seneca, OR
- Average visibility in April: 6mi
The months with the highest visibility are April, May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February and December (4mi).
Seneca, Oregon, USA
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