Contents
- Weather in August
- Frequently asked questions
- Average temperature in August
- Average pressure in August
- Average wind speed in August
- Average humidity in August
- Average rainfall in August
- Average rainfall days in August
- Average snowfall in August
- Average snowfall days in August
- Average daylight in August
- Average sunshine in August
- Average sunshine days in August
- Average UV index in August
- Average cloud cover in August
- Average visibility in August
Weather in August
Temperature
The commencement of August notes an average high-temperature of a still warm 80.2°F (26.8°C), exhibiting little difference from the previous month. In the month of August, the temperature in Gridley generally rests at an average low of 62.6°F (17°C).Humidity
In Gridley, the average relative humidity in August is 83%.Rainfall
In Gridley, in August, during 12.8 rainfall days, 1.65" (42mm) of precipitation is typically accumulated. Throughout the year, there are 131.6 rainfall days, and 18.86" (479mm) of precipitation is accumulated.Snowfall
In Gridley, snow does not fall in May through October.Daylight
The average length of the day in August is 13h and 45min.On the first day of the month, sunrise is at 5:52 am and sunset at 8:10 pm. On the last day of August, sunrise is at 6:22 am and sunset at 7:28 pm CDT.
Sunshine
In Gridley, the average sunshine in August is 9.8h.UV index
June through August, with an average maximum UV index of 6, are months with the highest UV index in Gridley. A UV Index value of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation for the ordinary person.Note: An average UV index of 6 in August transforms into this advice:
Deflect overexposure. Sun protection is a necessity. Seek shade and limit direct Sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its peak, but be aware that not all shade structures provide complete sun protection. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Gridley in August?
What is the average humidity in August?
How much does it rain in Gridley in August?
When it does not snow in Gridley?
What is the average length of the day in August?
When are sunrise and sunset in August?
How long on average sun shines in August?
What is the month with the highest UV index?
What is the UV index reading in August?
Average temperature in August
Gridley, IL
- Average high temperature in August: 80.2°F
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (30.4°F).
- Average low temperature in August: 62.6°F
The month with the highest average low temperature is July (64.6°F).
The coldest month (with the lowest average low temperature) is January (18.5°F).
Average pressure in August
Gridley, IL
- Average pressure in August: 29.98"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in August
Gridley, IL
- Average wind speed in August: 6.5mph
The windiest month (with the highest average wind speed) is January (10.8mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).
Average humidity in August
Gridley, IL
- Average humidity in August: 83%
The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is October (71%).
Average rainfall in August
Gridley, IL
- Average rainfall in August: 1.65"
The wettest month (with the highest rainfall) is May (2.68").
The driest month (with the least rainfall) is January (0.94").
Average rainfall days in August
Gridley, IL
- Average rainfall days in August: 12.8 days
The month with the highest number of rainy days is May (16.9 days).
The month with the least rainy days is February (5.1 days).
Average snowfall in August
Gridley, IL
- Average snowfall in August: 0"
The month with the highest snowfall is January (2.4").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in August
Gridley, IL
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (10.6 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Gridley, IL
- Average daylight in August: 13h and 4min
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 18min).
- Average sunshine in August: 9h and 5min
The month with the most sunshine is June (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in August
Gridley, IL
- Average sunshine days in August: 15 days
The month with the most sunshine days is November (20 days).
The month with the least sunshine days is July (10.3 days).
Average UV index in August
Gridley, IL
- Average UV index in August: 6
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in August
Gridley, IL
- Average cloud cover in August: 32
The month with the most cloud cover is January (Cloud cover 60).
The months with the least cloud cover are August and September (Cloud cover 32).
Average visibility in August
Gridley, IL
- Average visibility in August: 5mi
The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are July and August (5mi).
Gridley, Illinois, USA
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