August weather forecastFresno, CA
August
Weather in August
August is another peak summer month in Fresno, with little change in temperature from July. With the minimal rainfall levels remaining consistent at 0.08 in, August maintains the dry theme that started in June. The hours of sunlight begin to recede slightly, indicating the first hints of the approaching autumn season. The wind flow patterns remain mostly unaffected, contributing to the overall stability of the month's weather. To sum up, the August weather mirrors the persistent summer heat and marks the slow transition towards the autumn season.Temperature
Fresno marks the onset of August with an average high-temperature of a still very hot 98.2°F (36.8°C), subtly divergent from July's 99.7°F (37.6°C). In August, the recorded average low-temperature, of 66.6°F (19.2°C), exhibits a significant fall from the daytime highs.Humidity
In August, the average relative humidity is 29%.Rainfall
The months with the least rainfall are June and August Rain falls for 1.2 days and accumulates 0.08" (2mm) of rain.Daylight
The average length of the day in August is 13h and 31min.On the first day of August in Fresno, sunrise is at 6:05 am and sunset at 8:05 pm. On the last day of the month, sunrise is at 6:30 am and sunset at 7:28 pm PDT.
Sunshine
June through August, with an average of 12.1h of sunshine, are months with the most sunshine.UV index
The months with the highest UV index are June through August, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: The average daily UV index of 7 in August transforms into the following instructions:
Skirt overexposure. People with light complexions might get scorched in under 20 minutes. Try to minimize direct Sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Also note that objects like parasols or canopies might not provide complete sun protection. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Fresno, CA
- Average high temperature in August: 98.2°F
The warmest month (with the highest average high temperature) is July (99.7°F).
The month with the lowest average high temperature is December (56.1°F).
- Average low temperature in August: 66.6°F
The month with the highest average low temperature is July (67.3°F).
The coldest month (with the lowest average low temperature) is December (41.4°F).
Average pressure in August
Fresno, CA
- Average pressure in August: 29.92"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in August
Fresno, CA
- Average wind speed in August: 4.9mph
The windiest month (with the highest average wind speed) is June (5.8mph).
The calmest month (with the lowest average wind speed) is November (3.8mph).
Average humidity in August
Fresno, CA
- Average humidity in August: 29%
The month with the highest relative humidity is January (65%).
The month with the lowest relative humidity is July (28%).
Average rainfall in August
Fresno, CA
- Average rainfall in August: 0.08"
The wettest month (with the highest rainfall) is March (2.01").
The driest months (with the least rainfall) are June and August (0.08").
Average rainfall days in August
Fresno, CA
- Average rainfall days in August: 1.2 days
The month with the highest number of rainy days is March (10.3 days).
The month with the least rainy days is August (1.2 days).
Average daylight in August /
Average sunshine in August
Fresno, 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, July and August (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 30min).
Average sunshine days in August
Fresno, CA
- Average sunshine days in August: 28.2 days
The month with the most sunshine days is August (28.2 days).
The month with the least sunshine days is March (19.5 days).
Average UV index in August
Fresno, 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, November and December (UV index 3).
Average cloud cover in August
Fresno, CA
- Average cloud cover in August: 4
The month with the most cloud cover is March (Cloud cover 27).
The month with the least cloud cover is August (Cloud cover 4).
Average visibility in August
Fresno, 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).
