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
August brings an average high-temperature of a still moderately hot 78.3°F (25.7°C), nearly identical to the preceding month. A noteworthy temperature dip to a fresh 51.8°F (11°C) is observed during the nights of August in Three Rivers.Humidity
In Three Rivers, the average relative humidity in August is 47%.Rainfall
In Three Rivers, during August, the rain falls for 2.8 days and regularly aggregates up to 0.2" (5mm) of precipitation. In Three Rivers, during the entire year, the rain falls for 42.7 days and collects up to 4.8" (122mm) of precipitation.Snowfall
July and August are months without snowfall.Daylight
In August, the average length of the day in Three Rivers is 13h and 56min.On the first day of the month, sunrise is at 5:55 am and sunset at 8:28 pm. On the last day of August, in Three Rivers, sunrise is at 6:29 am and sunset at 7:42 pm PDT.
Sunshine
In August, the average sunshine is 11.9h.UV index
In Three Rivers, the average daily maximum UV index in August is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: A daily high UV index of 4 in August leads to these guidelines:
Put precautions into practice - Ensuring skin and eye safety is a necessity. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. Tightly woven clothing, when worn loosely, shields effectively against the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in August?
What is the average humidity in August?
How many days 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?
How long on average sun shines in August?
What is the UV index reading in August in Three Rivers?
Average temperature in August
Three Rivers, OR
- Average high temperature in August: 78.3°F
The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is December (34.5°F).
- Average low temperature in August: 51.8°F
The month with the highest average low temperature is August (51.8°F).
The coldest month (with the lowest average low temperature) is December (23.7°F).
Average pressure in August
Three Rivers, OR
- Average pressure in August: 29.97"Hg
The month with the highest atmospheric pressure is January (30.18"Hg).
The month with the lowest atmospheric pressure is August (29.97"Hg).
Average wind speed in August
Three Rivers, OR
- Average wind speed in August: 5.5mph
The windiest month (with the highest average wind speed) is March (7.6mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).
Average humidity in August
Three Rivers, OR
- Average humidity in August: 47%
The month with the highest relative humidity is December (82%).
The month with the lowest relative humidity is July (46%).
Average rainfall in August
Three Rivers, OR
- Average rainfall in August: 0.2"
The wettest month (with the highest rainfall) is February (0.71").
The driest month (with the least rainfall) is July (0.08").
Average rainfall days in August
Three Rivers, OR
- Average rainfall days in August: 2.8 days
The month with the highest number of rainy days is May (5.5 days).
The month with the least rainy days is February (2.3 days).
Average snowfall in August
Three Rivers, OR
- Average snowfall in August: 0"
The month with the highest snowfall is February (4.61").
The months with the least snowfall are July and August (0").
Average snowfall days in August
Three Rivers, OR
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is December (7.4 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in August /
Average sunshine in August
Three Rivers, OR
- Average daylight in August: 13h and 5min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in August: 11h and 5min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 30min).
Average sunshine days in August
Three Rivers, OR
- Average sunshine days in August: 25 days
The month with the most sunshine days is July (26.7 days).
The month with the least sunshine days is February (20.6 days).
Average UV index in August
Three Rivers, OR
- 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, March, November and December (UV index 2).
Average cloud cover in August
Three Rivers, OR
- Average cloud cover in August: 9
The month with the most cloud cover is December (Cloud cover 46).
The months with the least cloud cover are July and August (Cloud cover 9).
Average visibility in August
Three Rivers, OR
- Average visibility in August: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January and December (5mi).
Three Rivers, Oregon, USA
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