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 onset of August notes an average high-temperature of a still tropical 91.4°F (33°C), subtly shifted from July's 92.5°F (33.6°C). In Challenge, the nighttime temperature registers a significant drop from daytime peaks to an average of 61.2°F (16.2°C) in August.Humidity
The months with the lowest humidity are July and August, with an average relative humidity of 34%.Rainfall
In August, the rain falls for 1.7 days. Throughout August, 0.12" (3mm) of precipitation is accumulated. Throughout the year, there are 88.4 rainfall days, and 30.35" (771mm) of precipitation is accumulated.Snowfall
In Challenge, snow does not fall in January, March through October.Daylight
The average length of the day in August is 13h and 40min.On the first day of August, sunrise is at 6:05 am and sunset at 8:17 pm. On the last day of the month, sunrise is at 6:33 am and sunset at 7:36 pm PDT.
Sunshine
The average sunshine in August is 11.9h.UV index
In Challenge, the average daily maximum UV index in August is 6. A UV Index reading of 6 to 7 represents a high threat to health from exposure to the Sun's UV rays for the average person.Note: A daily high UV index of 6 in August leads to these guidelines:
Avoid overexposure. Fair-skinned individuals can burn in under 20 minutes. The Sun's UV radiation is most potent between 10 a.m. and 4 p.m. Try to limit direct exposure to the Sun during this period. A hat with a broad brim is indispensable, filtering out up to half of UV rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot is it in August?
What is the least humid month?
What is the average humidity in August?
How many days does it rain in August?
When it does not snow?
What is the average length of the day in August?
What time are sunrise and sunset in August?
How many hours of sunshine does Challenge have in August?
What is the UV index intensity in August?
Average temperature in August
Challenge, CA
- Average high temperature in August: 91.4°F
The warmest month (with the highest average high temperature) is July (92.5°F).
The month with the lowest average high temperature is December (52.5°F).
- Average low temperature in August: 61.2°F
The month with the highest average low temperature is July (61.9°F).
The coldest month (with the lowest average low temperature) is December (38.1°F).
Average pressure in August
Challenge, CA
- Average pressure in August: 29.91"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in August
Challenge, CA
- Average wind speed in August: 5.3mph
The windiest months (with the highest average wind speed) are February, March and April (6.2mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).
Average humidity in August
Challenge, CA
- Average humidity in August: 34%
The month with the highest relative humidity is March (74%).
The months with the lowest relative humidity are July and August (34%).
Average rainfall in August
Challenge, CA
- Average rainfall in August: 0.12"
The wettest month (with the highest rainfall) is March (6.02").
The driest month (with the least rainfall) is July (0.04").
Average rainfall days in August
Challenge, CA
- Average rainfall days in August: 1.7 days
The month with the highest number of rainy days is March (15.5 days).
The month with the least rainy days is July (1.4 days).
Average snowfall in August
Challenge, CA
- Average snowfall in August: 0"
The month with the highest snowfall is February (0.43").
The months with the least snowfall are January, March, April, May, June, July, August, September and October (0").
Average snowfall days in August
Challenge, CA
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (0.6 days).
The months with the least snowfall days are January, April, May, June, July, August, September and October (0 days).
Average daylight in August /
Average sunshine in August
Challenge, CA
- Average daylight in August: 13h and 4min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in August: 11h and 5min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 42min).
Average sunshine days in August
Challenge, CA
- Average sunshine days in August: 28.1 days
The month with the most sunshine days is July (28.3 days).
The month with the least sunshine days is March (14.5 days).
Average UV index in August
Challenge, CA
- Average UV index in August: 6
The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in August
Challenge, CA
- Average cloud cover in August: 6
The month with the most cloud cover is March (Cloud cover 41).
The month with the least cloud cover is July (Cloud cover 4).
Average visibility in August
Challenge, 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).
Challenge, California, USA
Weather forecast for your location
2. Allow the app to use your location