Weather in August
Temperature
August is the warmest month, with the temperature often reaching an average high of 69.6°F (20.9°C) and an average low of 40.5°F (4.7°C).Rainfall
August is the month with the least rainfall. Rain falls for 4 days and accumulates 0.98" (25mm) of precipitation.Snowfall
The only month without snowfall in Crater Lake is August.Daylight
In August, the average length of the day in Crater Lake, Oregon, is 13h and 52min.On the first day of August, sunrise is at 6:00 am and sunset at 8:29 pm. On the last day of the month, sunrise is at 6:33 am and sunset at 7:44 pm PDT.
Sunshine
In August, the average sunshine is 11h.UV index
In Crater Lake, Oregon, the average daily maximum UV index in August is 8. A UV Index value of 8 to 10 symbolizes a very high health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: In August, the maximum UV index of 8 translates into these guidelines:
Precautions are essential; the risk of damage to unprotected skin and eyes is too high. The time between 10 a.m. and 4 p.m. is when UV radiation is at its peak. Limit exposure to direct sunlight during these hours. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.
Frequently asked questions
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When it does not snow in Crater Lake?
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What is the UV index intensity in August in Crater Lake?
Average temperature in August
Crater Lake, OR
- Average high temperature in August: 69.7°F
The warmest month (with the highest average high temperature) is August (69.7°F).
The month with the lowest average high temperature is December (33.6°F).
- Average low temperature in August: 40.5°F
The months with the highest average low temperature are July and August (40.5°F).
The coldest month (with the lowest average low temperature) is February (17.8°F).
Average rainfall in August
Crater Lake, OR
- Average rainfall in August: 1"
The wettest month (with the highest rainfall) is December (11.6").
The driest months (with the least rainfall) are July and August (1").
Average rainfall days in August
Crater Lake, OR
- Average rainfall days in August: 4 days
The month with the highest number of rainy days is March (18.2 days).
The month with the least rainy days is July (3.9 days).
Average snowfall in August
Crater Lake, OR
- Average snowfall in August: 0"
The month with the highest snowfall is December (91.1").
The month with the least snowfall is August (0").
Average snowfall days in August
Crater Lake, OR
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is December (16.4 days).
The month with the least snowfall days is August (0 days).
Average daylight in August /
Average sunshine in August
Crater Lake, OR
- Average daylight in August: 13h and 5min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in August: 11h
The month with the most sunshine is July (Average sunshine: 12h).
The months with the least sunshine are November and December (Average sunshine: 3h).
Average UV index in August
Crater Lake, OR
- Average UV index in August: 8
The months with the highest UV index are June and July (UV index 9).
The month with the lowest UV index is December (UV index 1).
Crater Lake, Oregon, USA
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