August weather forecastCalimesa, CA
August
Weather in August
August, the last month of the summer in Calimesa, is another hot month, with temperature in the range of an average low of 64.2°F (17.9°C) and an average high of 89.2°F (31.8°C).Temperature
Calimesa's August weather, marked by an average high temperature of 89.2°F (31.8°C) and an average low temperature of 64.2°F (17.9°C), is the warmest in the year.Humidity
August is the least humid month, with an average relative humidity of 36%.Rainfall
In August, in Calimesa, California, the rain falls for 2.6 days. Throughout August, 0.16" (4mm) of precipitation is accumulated. In Calimesa, California, during the entire year, the rain falls for 49.3 days and collects up to 6.69" (170mm) of precipitation.Snowfall
In Calimesa, California, snow does not fall in January, May through October.Daylight
In August, the average length of the day is 13h and 23min.On the first day of August, sunrise is at 6:00 am and sunset at 7:48 pm. On the last day of the month, sunrise is at 6:21 am and sunset at 7:14 pm PDT.
Sunshine
In August, the average sunshine is 12h.UV index
In Calimesa, the average daily maximum UV index in August is 6. A UV Index reading of 6 to 7 represents a high health vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: The maximum UV index of 6 during August translates into these guidelines:
Exercise precautions and adapt sun safety practices. Defence against skin and eye affliction is paramount. The Sun's UV radiation is most intense from 10 a.m. to 4 p.m. Try to avoid direct sun exposure during these hours. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Calimesa, CA
- Average high temperature in August: 89.2°F
The warmest month (with the highest average high temperature) is August (89.2°F).
The month with the lowest average high temperature is December (56.3°F).
- Average low temperature in August: 64.2°F
The month with the highest average low temperature is August (64.2°F).
The coldest month (with the lowest average low temperature) is December (40.1°F).
Average pressure in August
Calimesa, CA
- Average pressure in August: 29.86"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.83"Hg).
Average wind speed in August
Calimesa, CA
- Average wind speed in August: 5.4mph
The windiest month (with the highest average wind speed) is April (6.8mph).
The calmest month (with the lowest average wind speed) is September (5.2mph).
Average humidity in August
Calimesa, CA
- Average humidity in August: 36%
The month with the highest relative humidity is February (54%).
The month with the lowest relative humidity is August (36%).
Average rainfall in August
Calimesa, CA
- Average rainfall in August: 0.16"
The wettest month (with the highest rainfall) is February (1.38").
The driest month (with the least rainfall) is June (0.08").
Average rainfall days in August
Calimesa, CA
- Average rainfall days in August: 2.6 days
The month with the highest number of rainy days is March (7.1 days).
The month with the least rainy days is June (1.4 days).
Average snowfall in August
Calimesa, CA
- Average snowfall in August: 0"
The month with the highest snowfall is November (0.87").
The months with the least snowfall are January, May, June, July, August, September and October (0").
Average snowfall days in August
Calimesa, CA
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (1.3 days).
The months with the least snowfall days are January, May, June, July, August, September and October (0 days).
Average daylight in August /
Average sunshine in August
Calimesa, 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 July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 42min).
Average sunshine days in August
Calimesa, CA
- Average sunshine days in August: 26.4 days
The month with the most sunshine days is June (27.6 days).
The month with the least sunshine days is February (21.6 days).
Average UV index in August
Calimesa, CA
- Average UV index in August: 6
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in August
Calimesa, CA
- Average cloud cover in August: 6
The months with the most cloud cover are February, March and December (Cloud cover 24).
The month with the least cloud cover is August (Cloud cover 6).
Average visibility in August
Calimesa, 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).
