August weather forecastChester, CA
August
Weather in August
August, the last month of the summer in Chester, is another warm month, with an average temperature fluctuating between 80.2°F (26.8°C) and 48°F (8.9°C).Temperature
August's advent notes a subtle adjustment in average high-temperature to a still warm 80.2°F (26.8°C) from July. A significant temperature decrease to an average a frosty 48°F (8.9°C) characterizes Chester's nighttime temperatures during August.Humidity
The average relative humidity in August is 43%.Rainfall
In Chester, in August, during 4 rainfall days, 0.43" (11mm) of precipitation is typically accumulated. In Chester, during the entire year, the rain falls for 98.1 days and collects up to 32.99" (838mm) of precipitation.Snowfall
July and August are months without snowfall in Chester, California.Daylight
The average length of the day in August is 13h and 43min.On the first day of August, sunrise is at 6:03 am and sunset at 8:19 pm. On the last day of the month, sunrise is at 6:32 am and sunset at 7:37 pm PDT.
Sunshine
In August, the average sunshine is 11.8h.UV index
The average daily maximum UV index in August is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for the average person.Note: The daily high UV index of 5 during August translates into the following recommendations:
Prioritize safety - The need to safeguard skin and eyes from harm is emphasized. The solar radiation around mid-day is intense; avoid the Sun and stay safe. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Chester, CA
- Average high temperature in August: 80.2°F
The warmest month (with the highest average high temperature) is July (81.3°F).
The month with the lowest average high temperature is December (38.3°F).
- Average low temperature in August: 48°F
The month with the highest average low temperature is July (49.5°F).
The coldest month (with the lowest average low temperature) is December (24.1°F).
Average pressure in August
Chester, CA
- Average pressure in August: 29.91"Hg
The month with the highest atmospheric pressure is January (30.18"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in August
Chester, CA
- Average wind speed in August: 4.8mph
The windiest month (with the highest average wind speed) is March (6.7mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in August
Chester, CA
- Average humidity in August: 43%
The month with the highest relative humidity is March (83%).
The month with the lowest relative humidity is July (42%).
Average rainfall in August
Chester, CA
- Average rainfall in August: 0.43"
The wettest month (with the highest rainfall) is March (5.59").
The driest month (with the least rainfall) is July (0.39").
Average rainfall days in August
Chester, CA
- Average rainfall days in August: 4 days
The month with the highest number of rainy days is May (13.4 days).
The month with the least rainy days is August (4 days).
Average snowfall in August
Chester, CA
- Average snowfall in August: 0"
The month with the highest snowfall is March (27.05").
The months with the least snowfall are July and August (0").
Average snowfall days in August
Chester, CA
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is March (14 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in August /
Average sunshine in August
Chester, CA
- Average daylight in August: 13h and 42min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in August: 11h and 48min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 5h and 6min).
Average sunshine days in August
Chester, CA
- Average sunshine days in August: 25 days
The month with the most sunshine days is August (25 days).
The month with the least sunshine days is March (10.9 days).
Average UV index in August
Chester, CA
- Average UV index in August: 5
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are February and November (UV index 1).
Average cloud cover in August
Chester, CA
- Average cloud cover in August: 7
The month with the most cloud cover is March (Cloud cover 50).
The months with the least cloud cover are July and August (Cloud cover 7).
Average visibility in August
Chester, CA
- Average visibility in August: 6mi
The months with the highest visibility are May, June, July, August, September, October and November (6mi).
The month with the lowest visibility is January (4mi).
