August weather forecastExeter, CA
August
Weather in August
The last month of the summer, August, is also a fiery hot month in Exeter, California, with an average temperature varying between 63.9°F (17.7°C) and 95°F (35°C).Temperature
The transition into August shows a subtle variation to a still fiery hot 95°F (35°C) from July's 95.5°F (35.3°C) in the average high-temperature. A sharp contrast between day and night is prevalent in August with an average nighttime temperature of 63.9°F (17.7°C).Humidity
With an average relative humidity of 29%, August is the least humid month.Rainfall
June through August are months with the least rain when the rain falls for 1 days and typically aggregates up to 0.04" (1mm) of rain.Daylight
In August, the average length of the day is 13h and 29min.On the first day of the month, sunrise is at 6:04 am and sunset at 8:01 pm. On the last day of August, sunrise is at 6:27 am and sunset at 7:25 pm PDT.
Sunshine
The average sunshine in August is 12.1h.UV index
June through August, with an average maximum UV index of 7, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV rays for the average person.Note: The maximum UV index of 7 during August leads to these instructions:
Guard oneself from overexposure. Defence against sun injury is vital. UV radiation from the Sun is most intense between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Exeter, CA
- Average high temperature in August: 95°F
The warmest month (with the highest average high temperature) is July (95.5°F).
The month with the lowest average high temperature is December (56.3°F).
- Average low temperature in August: 63.9°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is December (39.7°F).
Average pressure in August
Exeter, CA
- Average pressure in August: 29.9"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
Average wind speed in August
Exeter, CA
- Average wind speed in August: 4.1mph
The windiest month (with the highest average wind speed) is June (4.6mph).
The calmest month (with the lowest average wind speed) is December (3.3mph).
Average humidity in August
Exeter, CA
- Average humidity in August: 29%
The month with the highest relative humidity is January (63%).
The month with the lowest relative humidity is August (29%).
Average rainfall in August
Exeter, CA
- Average rainfall in August: 0.04"
The wettest month (with the highest rainfall) is March (2.32").
The driest months (with the least rainfall) are June, July and August (0.04").
Average rainfall days in August
Exeter, CA
- Average rainfall days in August: 1 days
The month with the highest number of rainy days is March (10.3 days).
The month with the least rainy days is August (1 days).
Average daylight in August /
Average sunshine in August
Exeter, CA
- Average daylight in August: 13h and 30min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in August: 12h and 6min
The months with the most sunshine are June and July (Average sunshine: 12h and 12min).
The months with the least sunshine are February and December (Average sunshine: 6h and 54min).
Average sunshine days in August
Exeter, CA
- Average sunshine days in August: 28.9 days
The month with the most sunshine days is August (28.9 days).
The month with the least sunshine days is March (19.8 days).
Average UV index in August
Exeter, CA
- Average UV index in August: 7
The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in August
Exeter, CA
- Average cloud cover in August: 4
The month with the most cloud cover is March (Cloud cover 22).
The months with the least cloud cover are July, August and September (Cloud cover 4).
Average visibility in August
Exeter, 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).
