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
As April arrives, a slight rise in the average high-temperature is observed, moving from a fresh 54.1°F (12.3°C) in March to a comfortable 62.4°F (16.9°C). Irrigon records an average nighttime low-temperature of 43.3°F (6.3°C) throughout April.Humidity
The average relative humidity in April is 55%.Rainfall
In April, the rain falls for 10.5 days. Throughout April, 0.55" (14mm) of precipitation is accumulated. In Irrigon, during the entire year, the rain falls for 106.1 days and collects up to 7.76" (197mm) of precipitation.Snowfall
In Irrigon, snow does not fall in April through August and October.Daylight
In April, the average length of the day is 13h and 35min.On the first day of April, sunrise is at 6:36 am and sunset at 7:27 pm. On the last day of the month, sunrise is at 5:45 am and sunset at 8:05 pm PDT.
Sunshine
In April, the average sunshine in Irrigon is 10.1h.UV index
The average daily maximum UV index in April is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for the average person.Note: In April, an average UV index of 4 transforms into the following instructions:
Take heed. Individuals of lighter complexion can be burned in less than half an hour. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average April temperature?
What is the average humidity in April?
How many days does it rain in April in Irrigon?
When it does not snow?
Does it snow in April?
What is the average length of the day in April?
When are sunrise and sunset in April?
How long on average sun shines in April?
What is the UV index intensity in April?
Average temperature in April
Irrigon, OR
- Average high temperature in April: 62.4°F
The warmest month (with the highest average high temperature) is July (89.1°F).
The month with the lowest average high temperature is December (38.7°F).
- Average low temperature in April: 43.3°F
The month with the highest average low temperature is August (64.2°F).
The coldest month (with the lowest average low temperature) is December (28.6°F).
Average pressure in April
Irrigon, OR
- Average pressure in April: 30"Hg
The month with the highest atmospheric pressure is January (30.19"Hg).
The month with the lowest atmospheric pressure is August (29.91"Hg).
Average wind speed in April
Irrigon, OR
- Average wind speed in April: 9.3mph
The windiest month (with the highest average wind speed) is April (9.3mph).
The calmest month (with the lowest average wind speed) is December (6.2mph).
Average humidity in April
Irrigon, OR
- Average humidity in April: 55%
The month with the highest relative humidity is January (79%).
The months with the lowest relative humidity are July and August (36%).
Average rainfall in April
Irrigon, OR
- Average rainfall in April: 0.55"
The wettest month (with the highest rainfall) is March (1.02").
The driest month (with the least rainfall) is July (0.16").
Average rainfall days in April
Irrigon, OR
- Average rainfall days in April: 10.5 days
The month with the highest number of rainy days is March (13.1 days).
The month with the least rainy days is July (3.8 days).
Average snowfall in April
Irrigon, OR
- Average snowfall in April: 0"
The month with the highest snowfall is February (2.83").
The months with the least snowfall are April, May, June, July, August and October (0").
Average snowfall days in April
Irrigon, OR
- Average snowfall days in April: 0 days
The month with the highest number of snowfall days is December (3.2 days).
The months with the least snowfall days are April, May, June, July, August and October (0 days).
Average daylight in April /
Average sunshine in April
Irrigon, 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: 10h and 1min
The months with the most sunshine are July and August (Average sunshine: 12h and 0min).
The months with the least sunshine are January and December (Average sunshine: 5h and 24min).
Average sunshine days in April
Irrigon, OR
- Average sunshine days in April: 16.4 days
The month with the most sunshine days is July (25.3 days).
The month with the least sunshine days is February (14 days).
Average UV index in April
Irrigon, OR
- Average UV index in April: 4
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in April
Irrigon, OR
- Average cloud cover in April: 33
The months with the most cloud cover are January and December (Cloud cover 44).
The month with the least cloud cover is July (Cloud cover 9).
Average visibility in April
Irrigon, OR
- Average visibility in April: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Irrigon, Oregon, USA
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