Contents
- Weather in August
- Frequently asked questions
- Average temperature in August
- Average pressure in August
- Average wind speed in August
- Average humidity in August
- Average rainfall in August
- Average rainfall days in August
- Average snowfall in August
- Average snowfall days in August
- Average daylight in August
- Average sunshine in August
- Average sunshine days in August
- Average UV index in August
- Average cloud cover in August
- Average visibility in August
Weather in August
Temperature
Oroville's temperatures peak on average in August, reaching 79.2°F (26.2°C) at their highest and 49.5°F (9.7°C) at their lowest.Humidity
August is the least humid month, with an average relative humidity of 49%.Rainfall
The month with the least rainfall is August, when the rain falls for 5.8 days and typically collects 0.47" (12mm) of precipitation.Snowfall
In Oroville, snow does not fall in June through August.Daylight
In Oroville, Washington, the average length of the day in August is 14h and 19min.On the first day of August, sunrise is at 5:32 am and sunset at 8:35 pm. On the last day of the month, sunrise is at 6:14 am and sunset at 7:41 pm PDT.
Sunshine
With an average of 12h of sunshine, August has the most sunshine of the year in Oroville.UV index
In Oroville, the average daily maximum UV index in August is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for the average person.Note: The average daily UV index of 4 in August transforms into the following instructions:
Adopt protective measures - Suggestions to resist sunburn are offered. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. To cut down UV radiation exposure by about half, sport a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What part of the year is the hottest?
What are the temperatures in August?
What is the least humid month?
What is the average humidity in August?
What is the driest month in Oroville?
How much does it rain in August?
When it does not snow?
Does it snow in August?
What is the average length of the day in August?
What time are sunrise and sunset in August?
What month has the most sunshine?
How long on average sun shines in August?
How high is the UV index in August in Oroville?
Average temperature in August
Oroville, WA
- Average high temperature in August: 79.2°F
The warmest month (with the highest average high temperature) is August (79.2°F).
The month with the lowest average high temperature is December (27°F).
- Average low temperature in August: 49.5°F
The month with the highest average low temperature is August (49.5°F).
The coldest month (with the lowest average low temperature) is December (13.1°F).
Average pressure in August
Oroville, WA
- Average pressure in August: 29.93"Hg
The month with the highest atmospheric pressure is January (30.18"Hg).
The months with the lowest atmospheric pressure are June and August (29.93"Hg).
Average wind speed in August
Oroville, WA
- Average wind speed in August: 4.2mph
The windiest month (with the highest average wind speed) is April (4.5mph).
The calmest months (with the lowest average wind speed) are January, February and December (3.7mph).
Average humidity in August
Oroville, WA
- Average humidity in August: 49%
The month with the highest relative humidity is January (94%).
The month with the lowest relative humidity is August (49%).
Average rainfall in August
Oroville, WA
- Average rainfall in August: 0.47"
The wettest month (with the highest rainfall) is May (1.97").
The driest month (with the least rainfall) is August (0.47").
Average rainfall days in August
Oroville, WA
- Average rainfall days in August: 5.8 days
The month with the highest number of rainy days is May (13.8 days).
The month with the least rainy days is December (5.7 days).
Average snowfall in August
Oroville, WA
- Average snowfall in August: 0"
The month with the highest snowfall is December (9.76").
The months with the least snowfall are June, July and August (0").
Average snowfall days in August
Oroville, WA
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (18.3 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in August /
Average sunshine in August
Oroville, WA
- Average daylight in August: 14h and 2min
The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 18min).
- Average sunshine in August: 12h and 0min
The month with the most sunshine is August (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in August
Oroville, WA
- Average sunshine days in August: 22.4 days
The month with the most sunshine days is August (22.4 days).
The month with the least sunshine days is March (10.8 days).
Average UV index in August
Oroville, WA
- Average UV index in August: 4
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 1).
Average cloud cover in August
Oroville, WA
- Average cloud cover in August: 14
The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 14).
Average visibility in August
Oroville, WA
- Average visibility in August: 6mi
The months with the highest visibility are April, May, June, July, August and September (6mi).
The month with the lowest visibility is January (2mi).
Oroville, Washington, USA
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