August weather forecastChester, ID
August
Weather in August
The last month of the summer, August, is also a moderately hot month in Chester, Idaho, with an average temperature varying between 52.5°F (11.4°C) and 82.9°F (28.3°C).Temperature
Chester observes an average high-temperature of a still moderately hot 82.9°F (28.3°C) in August, barely different from 83.7°F (28.7°C) in July. Chester anticipates a stark contrast in temperature during August nights, with an average low of 52.5°F (11.4°C).Humidity
With an average relative humidity of 39%, August is the least humid month.Rainfall
In Chester, in August, during 5.9 rainfall days, 0.39" (10mm) of precipitation is typically accumulated. Throughout the year, there are 97.5 rainfall days, and 11.85" (301mm) of precipitation is accumulated.Snowfall
June through August are months without snowfall.Daylight
In August, the average length of the day is 13h and 57min.On the first day of the month, sunrise is at 6:15 am and sunset at 8:49 pm. On the last day of August, sunrise is at 6:49 am and sunset at 8:03 pm MDT.
Sunshine
In August, the average sunshine is 11.8h.UV index
In Chester, the average daily maximum UV index in August is 5. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for the average person.Note: An average maximum UV index of 5 in August leads to these recommendations:
Make use of precautions - It is urged to ward off sun damage. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Chester, ID
- Average high temperature in August: 82.9°F
The warmest month (with the highest average high temperature) is July (83.7°F).
The month with the lowest average high temperature is December (26.2°F).
- Average low temperature in August: 52.5°F
The month with the highest average low temperature is August (52.5°F).
The coldest month (with the lowest average low temperature) is January (12.4°F).
Average pressure in August
Chester, ID
- Average pressure in August: 29.97"Hg
The month with the highest atmospheric pressure is January (30.28"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in August
Chester, ID
- Average wind speed in August: 6.3mph
The windiest month (with the highest average wind speed) is June (6.9mph).
The calmest month (with the lowest average wind speed) is January (4.2mph).
Average humidity in August
Chester, ID
- Average humidity in August: 39%
The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is August (39%).
Average rainfall in August
Chester, ID
- Average rainfall in August: 0.39"
The wettest month (with the highest rainfall) is January (1.5").
The driest month (with the least rainfall) is July (0.28").
Average rainfall days in August
Chester, ID
- Average rainfall days in August: 5.9 days
The month with the highest number of rainy days is April (13 days).
The month with the least rainy days is July (5 days).
Average snowfall in August
Chester, ID
- Average snowfall in August: 0"
The month with the highest snowfall is January (11.97").
The months with the least snowfall are June, July and August (0").
Average snowfall days in August
Chester, ID
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (18.1 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in August /
Average sunshine in August
Chester, ID
- Average daylight in August: 13h and 54min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- 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: 4h and 18min).
Average sunshine days in August
Chester, ID
- Average sunshine days in August: 20.8 days
The month with the most sunshine days is July (24.8 days).
The month with the least sunshine days is February (10.6 days).
Average UV index in August
Chester, ID
- 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 January, February, November and December (UV index 1).
Average cloud cover in August
Chester, ID
- Average cloud cover in August: 11
The month with the most cloud cover is February (Cloud cover 56).
The months with the least cloud cover are July and August (Cloud cover 11).
Average visibility in August
Chester, ID
- Average visibility in August: 6mi
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The month with the lowest visibility is January (3mi).





