August weather forecastOrtonville, CA
August
Weather in August
The last month of the summer, August, is also a moderately hot month in Ortonville, California, with temperature in the range of an average high of 79°F (26.1°C) and an average low of 61.5°F (16.4°C).Temperature
The warmest time of the year is August, with temperatures averaging a high of 79°F (26.1°C) and a low of 61.5°F (16.4°C).Humidity
In August, the average relative humidity is 55%.Rainfall
August is the month with the least rainfall. Rain falls for 1.3 days and accumulates 0.08" (2mm) of precipitation.Daylight
The average length of the day in August is 13h and 23min.On the first day of the month, sunrise is at 6:08 am and sunset at 7:58 pm. On the last day of August, sunrise is at 6:30 am and sunset at 7:24 pm PDT.
Sunshine
In August, the average sunshine is 12h.UV index
June through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index estimate of 6 to 7 represents a high threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: The UV index of 6 during August leads to these advisories:
Shield from overexposure. Defense against sun-related harm is required. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is at its strongest, and remember that parasols or canopies do not offer full protection. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Ortonville, CA
- Average high temperature in August: 79°F
The warmest month (with the highest average high temperature) is August (79°F).
The month with the lowest average high temperature is December (58.8°F).
- Average low temperature in August: 61.5°F
The month with the highest average low temperature is August (61.5°F).
The coldest month (with the lowest average low temperature) is February (45.5°F).
Average pressure in August
Ortonville, CA
- Average pressure in August: 29.91"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The months with the lowest atmospheric pressure are June and September (29.9"Hg).
Average wind speed in August
Ortonville, CA
- Average wind speed in August: 4.2mph
The windiest month (with the highest average wind speed) is April (6.6mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).
Average humidity in August
Ortonville, CA
- Average humidity in August: 55%
The month with the highest relative humidity is March (63%).
The months with the lowest relative humidity are October and November (52%).
Average rainfall in August
Ortonville, CA
- Average rainfall in August: 0.08"
The wettest month (with the highest rainfall) is January (1.5").
The driest month (with the least rainfall) is August (0.08").
Average rainfall days in August
Ortonville, CA
- Average rainfall days in August: 1.3 days
The month with the highest number of rainy days is March (7.7 days).
The month with the least rainy days is August (1.3 days).
Average daylight in August /
Average sunshine in August
Ortonville, CA
- Average daylight in August: 13h and 24min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in August: 12h and 0min
The month with the most sunshine is June (Average sunshine: 12h and 6min).
The month with the least sunshine is February (Average sunshine: 6h and 36min).
Average sunshine days in August
Ortonville, CA
- Average sunshine days in August: 25.6 days
The month with the most sunshine days is October (25.7 days).
The month with the least sunshine days is February (20.8 days).
Average UV index in August
Ortonville, CA
- Average UV index in August: 6
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are November and December (UV index 3).
Average cloud cover in August
Ortonville, CA
- Average cloud cover in August: 5
The month with the most cloud cover is March (Cloud cover 23).
The month with the least cloud cover is August (Cloud cover 5).
Average visibility in August
Ortonville, CA
- Average visibility in August: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).





