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
The month of August, characterized by an average high of 78.4°F (25.8°C) and a low of 52.3°F (11.3°C), is recognized as the warmest.Humidity
With an average relative humidity of 71%, August is the least humid month.Rainfall
In August, the rain falls for 4.8 days. Throughout August, 0.31" (8mm) of precipitation is accumulated. In Willamina, during the entire year, the rain falls for 156 days and collects up to 15.94" (405mm) of precipitation.Snowfall
April through October are months without snowfall in Willamina, Oregon.Daylight
In August, the average length of the day is 14h and 1min.On the first day of August, sunrise is at 6:00 am and sunset at 8:40 pm. On the last day of the month, sunrise is at 6:35 am and sunset at 7:52 pm PDT.
Sunshine
August has the most sunshine of the year, with an average of 10.5h of sunshine.UV index
In August, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for average individuals.Note: The maximum daily UV index, 4 in August, converts into the following recommendations:
Take precautions - Protection against skin and eye damage is obliged. It's recommended to limit sun exposure when its radiation is at its peak during midday. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the warmest month?
What are the temperatures in August?
What is the least humid month?
What is the average humidity in August?
How many days does it rain in August?
When it does not snow?
How many hours of daylight does Willamina have in August?
What time are sunrise and sunset in August?
What month has the most sunshine?
How many hours of sunshine does Willamina have in August?
How high is the UV index in August?
Average temperature in August
Willamina, OR
- Average high temperature in August: 78.4°F
The warmest month (with the highest average high temperature) is August (78.4°F).
The month with the lowest average high temperature is December (43.5°F).
- Average low temperature in August: 52.3°F
The month with the highest average low temperature is August (52.3°F).
The coldest month (with the lowest average low temperature) is December (33.3°F).
Average pressure in August
Willamina, OR
- Average pressure in August: 30.02"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is September (30.01"Hg).
Average wind speed in August
Willamina, OR
- Average wind speed in August: 3.8mph
The windiest month (with the highest average wind speed) is March (5mph).
The calmest month (with the lowest average wind speed) is August (3.8mph).
Average humidity in August
Willamina, OR
- Average humidity in August: 71%
The months with the highest relative humidity are February and December (89%).
The month with the lowest relative humidity is August (71%).
Average rainfall in August
Willamina, OR
- Average rainfall in August: 0.31"
The wettest month (with the highest rainfall) is December (2.56").
The driest month (with the least rainfall) is July (0.24").
Average rainfall days in August
Willamina, OR
- Average rainfall days in August: 4.8 days
The month with the highest number of rainy days is March (18.9 days).
The month with the least rainy days is August (4.8 days).
Average snowfall in August
Willamina, OR
- Average snowfall in August: 0"
The month with the highest snowfall is February (0.94").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in August
Willamina, OR
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (2.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in August /
Average sunshine in August
Willamina, OR
- Average daylight in August: 14h and 0min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in August: 10h and 3min
The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 3h and 24min).
Average sunshine days in August
Willamina, OR
- Average sunshine days in August: 23.2 days
The month with the most sunshine days is July (23.7 days).
The month with the least sunshine days is February (9.3 days).
Average UV index in August
Willamina, OR
- Average UV index in August: 4
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in August
Willamina, OR
- Average cloud cover in August: 29
The month with the most cloud cover is February (Cloud cover 67).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in August
Willamina, OR
- Average visibility in August: 5mi
The months with the highest visibility are June, July, August and September (5mi).
The months with the lowest visibility are January, February, March, April, May, October, November and December (4mi).
Willamina, Oregon, USA
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