August weather forecast
Stonyford, CA

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Weather in August

The last month of the summer, August, is another hot month in Stonyford, California, with an average temperature ranging between min 62.4°F (16.9°C) and max 93.9°F (34.4°C).

Temperature

August's onset brings an average high-temperature of a hot 93.9°F (34.4°C), showing a minute difference from July's 95.4°F (35.2°C). Stonyford registers a significant drop in temperature in August, with average nighttime lows of 62.4°F (16.9°C).

Humidity

The months with the lowest humidity are July through September, with an average relative humidity of 35%.

Rainfall

In Stonyford, in August, during 1.7 rainfall days, 0.12" (3mm) of precipitation is typically accumulated. In Stonyford, during the entire year, the rain falls for 71.4 days and collects up to 14.02" (356mm) of precipitation.

Daylight

The average length of the day in August is 13h and 40min.
On the first day of the month, sunrise is at 6:10 am and sunset at 8:22 pm. On the last day of August, sunrise is at 6:38 am and sunset at 7:41 pm PDT.

Sunshine

In Stonyford, the average sunshine in August is 11.9h.

UV index

In August, the average daily maximum UV index is 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from unprotected exposure to Sun's UV rays for the average person.
Note: In August, the UV index of 6 transforms into the following advice:
Persist with precautions and heed sun safety advice. Prevention of sunburn is compulsory. The Sun's UV radiation is most potent between the hours of 10 a.m. and 4 p.m. Try to avoid direct sunlight during this time. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
Updated: Aug 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot does it get in August?

The high-temperature, in August, in Stonyford, is 93.9°F (34.4°C), while the low-temperature averages to 62.4°F (16.9°C). In June, the average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which factors the actual air temperature with the relative humidity, is computed to be 87.8°F (31°C).

What is the least humid month?

The months with the lowest humidity are July through September, with an average relative humidity of 35%.

What is the average humidity in August?

In Stonyford, the average relative humidity in August is 35%.

How much does it rain in August?

In Stonyford, in August, it is raining for 1.7 days, with typically 0.12" (3mm) of accumulated precipitation.

What is the average length of the day in August?

The average day length in August is 13h and 40min.

When are sunrise and sunset in August?

In August, on the first day of the month, sunrise is at 6:10 am and sunset at 8:22 pm. On the last day of the month, in Stonyford, sunrise is at 6:38 am and sunset at 7:41 pm PDT.

How long on average sun shines in August?

In August, the average sunshine duration is 11.9h.

What is the UV index reading in August?

The average daily maximum UV index in August is 6. A UV Index estimate of 6 to 7 represents a high hazard to health from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in August
Stonyford, CA

Average temperature in August - Stonyford, CA
  • Average high temperature in August: 93.9°F

The warmest month (with the highest average high temperature) is July (95.4°F).
The month with the lowest average high temperature is December (52.7°F).

  • Average low temperature in August: 62.4°F

The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is December (39.4°F).

Average pressure in August
Stonyford, CA

Average pressure in August - Stonyford, CA
  • Average pressure in August: 29.91"Hg

The month with the highest atmospheric pressure is January (30.15"Hg).
The months with the lowest atmospheric pressure are June, July and August (29.91"Hg).

Average wind speed in August
Stonyford, CA

Average wind speed in August - Stonyford, CA
  • Average wind speed in August: 4.9mph

The windiest month (with the highest average wind speed) is March (6.1mph).
The calmest month (with the lowest average wind speed) is August (4.9mph).

Average humidity in August
Stonyford, CA

Average humidity in August - Stonyford, CA
  • Average humidity in August: 35%

The month with the highest relative humidity is March (69%).
The months with the lowest relative humidity are July, August and September (35%).

Average rainfall in August
Stonyford, CA

Average rainfall in August - Stonyford, CA
  • Average rainfall in August: 0.12"

The wettest month (with the highest rainfall) is February (2.68").
The driest month (with the least rainfall) is July (0.04").

Average rainfall days in August
Stonyford, CA

Average rainfall days in August - Stonyford, CA
  • Average rainfall days in August: 1.7 days

The month with the highest number of rainy days is March (12.5 days).
The month with the least rainy days is July (1 days).

Average daylight in August /
Average sunshine in August
Stonyford, CA

Average daylight in August / Average sunshine in August - Stonyford, 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 48min).

Average sunshine days in August
Stonyford, CA

Average sunshine days in August - Stonyford, CA
  • Average sunshine days in August: 28.8 days

The month with the most sunshine days is July (29.8 days).
The month with the least sunshine days is March (17 days).

Average UV index in August
Stonyford, CA

Average UV index in August - Stonyford, 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
Stonyford, CA

Average cloud cover in August - Stonyford, CA
  • Average cloud cover in August: 5

The month with the most cloud cover is March (Cloud cover 37).
The month with the least cloud cover is July (Cloud cover 4).

Average visibility in August
Stonyford, CA

Average visibility in August - Stonyford, 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).

Stonyford, California, USA

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