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 warmest time of the year is August, with temperatures averaging a high of 77.9°F (25.5°C) and a low of 49.8°F (9.9°C).Humidity
In Rainier, the average relative humidity in August is 73%.Rainfall
The month with the least rainfall is August, when the rain falls for 6.3 days and typically collects 0.39" (10mm) of precipitation.Snowfall
April through October are months without snowfall.Daylight
The average length of the day in August in Rainier is 14h and 5min.On the first day of the month, sunrise is at 5:55 am and sunset at 8:41 pm. On the last day of August, sunrise is at 6:32 am and sunset at 7:51 pm PDT.
Sunshine
August has the most sunshine of the year in Rainier, with an average of 10.4h of sunshine.UV index
In Rainier, Oregon, the average daily maximum UV index in August is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum UV index, 4 during August, leads to the following recommendations:
Undertake precautions - It is suggested to shield oneself from sunburn. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.
Frequently asked questions
What are the warmest months in Rainier?
What is the temperature in August in Rainier?
What is the average humidity in August in Rainier?
What is the driest month in Rainier?
How much does it rain in Rainier in August?
When it does not snow in Rainier?
How many hours of daylight does Rainier have in August?
When is the sunrise / sunset in August in Rainier?
What month has the most sunshine in Rainier?
How many hours of sunshine does Rainier have in August?
What is the UV index reading in August in Rainier?
Average temperature in August
Rainier, OR
- Average high temperature in August: 77.9°F
The warmest month (with the highest average high temperature) is August (77.9°F).
The month with the lowest average high temperature is December (42.3°F).
- Average low temperature in August: 49.8°F
The month with the highest average low temperature is August (49.8°F).
The coldest month (with the lowest average low temperature) is December (32.7°F).
Average pressure in August
Rainier, OR
- Average pressure in August: 30.01"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The months with the lowest atmospheric pressure are August and September (30.01"Hg).
Average wind speed in August
Rainier, OR
- Average wind speed in August: 4mph
The windiest month (with the highest average wind speed) is January (4.8mph).
The calmest month (with the lowest average wind speed) is September (3.9mph).
Average humidity in August
Rainier, OR
- Average humidity in August: 73%
The months with the highest relative humidity are January, February, November and December (88%).
The month with the lowest relative humidity is July (72%).
Average rainfall in August
Rainier, OR
- Average rainfall in August: 0.39"
The wettest month (with the highest rainfall) is January (3.9").
The driest month (with the least rainfall) is August (0.39").
Average rainfall days in August
Rainier, OR
- Average rainfall days in August: 6.3 days
The month with the highest number of rainy days is March (20.3 days).
The month with the least rainy days is July (6.1 days).
Average snowfall in August
Rainier, OR
- Average snowfall in August: 0"
The month with the highest snowfall is January (1.26").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in August
Rainier, OR
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (2.2 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in August /
Average sunshine in August
Rainier, OR
- Average daylight in August: 14h and 1min
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 August: 10h and 2min
The month with the most sunshine is August (Average sunshine: 10h and 24min).
The months with the least sunshine are January, February and December (Average sunshine: 3h and 30min).
Average sunshine days in August
Rainier, OR
- Average sunshine days in August: 21.3 days
The month with the most sunshine days is July (22 days).
The month with the least sunshine days is March (8.9 days).
Average UV index in August
Rainier, OR
- Average UV index in August: 4
The months with the highest UV index are June and July (UV index 5).
The month with the lowest UV index is November (UV index 1).
Average cloud cover in August
Rainier, OR
- Average cloud cover in August: 36
The months with the most cloud cover are February and March (Cloud cover 65).
The month with the least cloud cover is August (Cloud cover 36).
Average visibility in August
Rainier, OR
- Average visibility in August: 5mi
The month with the highest visibility is August (5mi).
The months with the lowest visibility are January, February, March, April, May, June, July, September, October, November and December (4mi).
Rainier, Oregon, USA
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