August weather forecastPenn Valley, CA
August
Weather in August
The last month of the summer, August, is another hot month in Penn Valley, California, with an average temperature fluctuating between 89.2°F (31.8°C) and 59.2°F (15.1°C).Temperature
Penn Valley records an average high-temperature of a still tropical 89.2°F (31.8°C) in August, maintaining a close correlation with July's 90.1°F (32.3°C). Despite a significant daily temperature range, Penn Valley's temperature falls to a steady low-temperature average of 59.2°F (15.1°C) in August.Humidity
The average relative humidity in August is 38%.Rainfall
The months with the least rainfall in Penn Valley are July and August Rain falls for 1.2 days and accumulates 0.04" (1mm) of rain.Snowfall
In Penn Valley, snow does not fall in June through October.Daylight
In August, the average length of the day is 13h and 39min.On the first day of the month, sunrise is at 6:05 am and sunset at 8:16 pm. On the last day of August, in Penn Valley, sunrise is at 6:33 am and sunset at 7:36 pm PDT.
Sunshine
In August, the average sunshine is 12h.UV index
In Penn Valley, the average daily maximum UV index in August is 6. A UV Index estimate of 6 to 7 represents a high health hazard from exposure to the Sun's UV radiation for average individuals.Note: In August, the UV index of 6 transforms into the following advice:
Embrace precautions and observe sun safety norms. Evasion of sunburn is a necessity. Stay in the shade and limit direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is particularly strong. Remember, however, that shade structures may not provide complete protection. Enhance your sun protection with tightly woven, yet airy clothing.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Penn Valley, CA
- Average high temperature in August: 89.2°F
The warmest month (with the highest average high temperature) is July (90.1°F).
The month with the lowest average high temperature is December (51.3°F).
- Average low temperature in August: 59.2°F
The month with the highest average low temperature is July (60.1°F).
The coldest month (with the lowest average low temperature) is December (37.2°F).
Average pressure in August
Penn Valley, CA
- Average pressure in August: 29.91"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in August
Penn Valley, CA
- Average wind speed in August: 4.8mph
The windiest month (with the highest average wind speed) is February (6mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in August
Penn Valley, CA
- Average humidity in August: 38%
The month with the highest relative humidity is March (75%).
The month with the lowest relative humidity is July (37%).
Average rainfall in August
Penn Valley, CA
- Average rainfall in August: 0.04"
The wettest month (with the highest rainfall) is March (6.57").
The driest months (with the least rainfall) are July and August (0.04").
Average rainfall days in August
Penn Valley, CA
- Average rainfall days in August: 1.2 days
The month with the highest number of rainy days is March (15.1 days).
The month with the least rainy days is July (1.1 days).
Average snowfall in August
Penn Valley, CA
- Average snowfall in August: 0"
The month with the highest snowfall is February (6.42").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in August
Penn Valley, CA
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is March (2.4 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in August /
Average sunshine in August
Penn Valley, CA
- Average daylight in August: 13h and 42min
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 30min).
- Average sunshine in August: 12h and 0min
The month with the most sunshine is July (Average sunshine: 12h and 12min).
The month with the least sunshine is January (Average sunshine: 5h and 42min).
Average sunshine days in August
Penn Valley, CA
- Average sunshine days in August: 28.7 days
The month with the most sunshine days is July (29.8 days).
The month with the least sunshine days is March (14.8 days).
Average UV index in August
Penn Valley, CA
- Average UV index in August: 6
The month with the highest UV index is July (UV index 7).
The month with the lowest UV index is November (UV index 2).
Average cloud cover in August
Penn Valley, CA
- Average cloud cover in August: 5
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
Penn Valley, 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).
