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
Deer Island in April denotes a subtle temperature transition, adjusting from an average high of a cool 50.5°F (10.3°C) in March to a moderate 56.3°F (13.5°C). April is noted for a mean low-temperature of 37.6°F (3.1°C).Humidity
The average relative humidity in April is 82%.Rainfall
In Deer Island, in April, during 19.3 rainfall days, 3.27" (83mm) of precipitation is typically accumulated. Throughout the year, there are 180.2 rainfall days, and 36.77" (934mm) of precipitation is accumulated.Snowfall
In Deer Island, snow does not fall in April through October.Daylight
The average length of the day in April is 13h and 35min.On the first day of April in Deer Island, sunrise is at 6:49 am and sunset at 7:40 pm. On the last day of the month, sunrise is at 5:58 am and sunset at 8:18 pm PDT.
Sunshine
In Deer Island, the average sunshine in April is 6.8h.UV index
In Deer Island, the average daily maximum UV index in April is 3. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for the average person.Note: In April, the maximum UV index of 3 transforms into these recommendations:
Be vigilant - Preventing sunburn is recommended. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Heads up! The UV radiation from the Sun can almost be doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are April temperatures?
What is the average humidity in April?
How many days does it rain in April?
When it does not snow?
Does it snow in April?
How many hours of daylight does Deer Island have in April?
When is the sunrise / sunset in April?
How long on average sun shines in April?
What is the UV index reading in April in Deer Island?
Average temperature in April
Deer Island, OR
- Average high temperature in April: 56.3°F
The warmest month (with the highest average high temperature) is August (79.3°F).
The month with the lowest average high temperature is December (42.6°F).
- Average low temperature in April: 37.6°F
The month with the highest average low temperature is August (51.6°F).
The coldest month (with the lowest average low temperature) is December (32.9°F).
Average pressure in April
Deer Island, OR
- Average pressure in April: 30.06"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The months with the lowest atmospheric pressure are August and September (30.01"Hg).
Average wind speed in April
Deer Island, OR
- Average wind speed in April: 4.5mph
The windiest month (with the highest average wind speed) is January (4.9mph).
The calmest month (with the lowest average wind speed) is September (3.9mph).
Average humidity in April
Deer Island, OR
- Average humidity in April: 82%
The months with the highest relative humidity are February and November (87%).
The months with the lowest relative humidity are July and August (70%).
Average rainfall in April
Deer Island, OR
- Average rainfall in April: 3.27"
The wettest month (with the highest rainfall) is January (5.43").
The driest month (with the least rainfall) is July (0.35").
Average rainfall days in April
Deer Island, OR
- Average rainfall days in April: 19.3 days
The month with the highest number of rainy days is March (21 days).
The month with the least rainy days is July (5.2 days).
Average snowfall in April
Deer Island, OR
- Average snowfall in April: 0"
The month with the highest snowfall is January (2.01").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in April
Deer Island, OR
- Average snowfall days in April: 0.1 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
Deer Island, OR
- Average daylight in April: 13h and 4min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in April: 6h and 5min
The month with the most sunshine is August (Average sunshine: 10h and 42min).
The months with the least sunshine are January and February (Average sunshine: 3h and 42min).
Average sunshine days in April
Deer Island, OR
- Average sunshine days in April: 8.8 days
The month with the most sunshine days is July (24.4 days).
The month with the least sunshine days is February (8.3 days).
Average UV index in April
Deer Island, 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
Deer Island, OR
- Average cloud cover in April: 58
The month with the most cloud cover is February (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in April
Deer Island, OR
- Average visibility in April: 4mi
The months with the highest visibility are May, June, July, August, September and October (5mi).
The months with the lowest visibility are January, February, March, April, November and December (4mi).
Deer Island, Oregon, USA
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