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
April's arrival shows an average high-temperature of a still fresh 55°F (12.8°C), hardly different from the previous month. O'Brien reports an average low-temperature of 42.3°F (5.7°C) during the nights of April.Humidity
In April, the average relative humidity is 80%.Rainfall
In O'Brien, in April, during 14.5 rainfall days, 4.02" (102mm) of precipitation is typically accumulated. In O'Brien, during the entire year, the rain falls for 131.8 days and collects up to 46.14" (1172mm) of precipitation.Snowfall
In O'Brien, snow does not fall in January, March through December.Daylight
In April, the average length of the day is 13h and 23min.On the first day of the month, sunrise is at 6:55 am and sunset at 7:41 pm. On the last day of April, in O'Brien, Oregon, sunrise is at 6:10 am and sunset at 8:13 pm PDT.
Sunshine
The average sunshine in April in O'Brien is 8.6h.UV index
In April, the average daily maximum UV index is 3. A UV Index value of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: An average maximum UV index of 3 in April leads to these recommendations:
Be mindful. Individuals with a lighter skin tone may suffer burns in less than 30 minutes. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in April?
What is the average humidity in April?
How much does it rain in April?
When it does not snow?
What is the average length of the day in April?
When is the sunrise / sunset in April?
How long on average sun shines in April?
How high is the UV index in April?
Average temperature in April
O'Brien, OR
- Average high temperature in April: 55°F
The warmest month (with the highest average high temperature) is July (71.8°F).
The month with the lowest average high temperature is December (50.4°F).
- Average low temperature in April: 42.3°F
The month with the highest average low temperature is July (53.6°F).
The coldest month (with the lowest average low temperature) is February (40.5°F).
Average pressure in April
O'Brien, OR
- Average pressure in April: 30.09"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is August (29.99"Hg).
Average wind speed in April
O'Brien, OR
- Average wind speed in April: 7.6mph
The windiest month (with the highest average wind speed) is March (8.2mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).
Average humidity in April
O'Brien, OR
- Average humidity in April: 80%
The month with the highest relative humidity is March (83%).
The month with the lowest relative humidity is September (72%).
Average rainfall in April
O'Brien, OR
- Average rainfall in April: 4.02"
The wettest month (with the highest rainfall) is January (8.11").
The driest month (with the least rainfall) is July (0.12").
Average rainfall days in April
O'Brien, OR
- Average rainfall days in April: 14.5 days
The month with the highest number of rainy days is March (19.2 days).
The month with the least rainy days is July (2.3 days).
Average snowfall in April
O'Brien, OR
- Average snowfall in April: 0"
The month with the highest snowfall is February (0.59").
The months with the least snowfall are January, March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in April
O'Brien, OR
- Average snowfall days in April: 0 days
The month with the highest number of snowfall days is February (0.3 days).
The months with the least snowfall days are January, March, April, May, June, July, August, September, October and November (0 days).
Average daylight in April /
Average sunshine in April
O'Brien, OR
- Average daylight in April: 13h and 2min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in April: 8h and 4min
The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is December (Average sunshine: 4h and 42min).
Average sunshine days in April
O'Brien, OR
- Average sunshine days in April: 13.3 days
The month with the most sunshine days is July (27.7 days).
The month with the least sunshine days is March (10.5 days).
Average UV index in April
O'Brien, OR
- Average UV index in April: 3
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are February and December (UV index 2).
Average cloud cover in April
O'Brien, OR
- Average cloud cover in April: 43
The month with the most cloud cover is March (Cloud cover 51).
The month with the least cloud cover is July (Cloud cover 10).
Average visibility in April
O'Brien, 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).
O'Brien, Oregon, USA
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