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 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
August, recording an average high temperature of 82.9°F (28.3°C) and a low temperature of 54.9°F (12.7°C), is Sonoma's warmest month.Heat index
In August, the average heat index is calculated to be a tropical 86°F (30°C). Prolonged exposure combined with continuous activity could lead to exhaustion, and possibly heat cramps.Heat index's context suggests values are appropriate for shady areas and slight breezes. The heat index may scale up by 15 Fahrenheit (8 Celsius) degrees with direct sun exposure.
Note: The heat index, also known as 'apparent temperature' or 'feels like', is a value derived by merging air temperature with the humidity to convey how the climate feels. Factors such as metabolic variations, being pregnant, and physical activity can impact an individual's weather perception. In the direct sunlight, the weather's impact can be amplified, possibly boosting the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical for children. Young ones regularly neglect the requirement for rest and fluid replenishment. Thirst is a late stage of dehydration - so, it is necessary to keep hydrated, particularly during extended periods of physical exertion.
Humidity
In August, the average relative humidity in Sonoma is 64%.Rainfall
July and August are months with the least rain when the rain falls for 0.8 days and typically aggregates up to 0.04" (1mm) of rain.Daylight
The average length of the day in August is 13h and 36min.On the first day of August, sunrise is at 6:12 am and sunset at 8:19 pm. On the last day of the month, sunrise is at 6:39 am and sunset at 7:40 pm PDT.
Sunshine
In August, the average sunshine is 11.9h.UV index
In August, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the average person.Note: In August, the maximum UV index of 5 translates into these guidelines:
Prioritize safety - Recommendations to avert sunburn are shared. When the Sun is at its strongest around midday, find shade and limit exposure. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
Frequently asked questions
What part of the year is the hottest in Sonoma?
How hot is August in Sonoma?
What is the average humidity in August in Sonoma?
What is the driest month in Sonoma?
How many days does it rain in August in Sonoma?
How many hours of daylight does Sonoma have in August?
When is the sunrise / sunset in August in Sonoma?
How many hours of sunshine does Sonoma have in August?
How high is the UV index in August in Sonoma?
Average temperature in August
Sonoma, CA
- Average high temperature in August: 82.9°F
The warmest month (with the highest average high temperature) is August (82.9°F).
The month with the lowest average high temperature is December (55°F).
- Average low temperature in August: 54.9°F
The month with the highest average low temperature is August (54.9°F).
The coldest month (with the lowest average low temperature) is December (41.4°F).
Average pressure in August
Sonoma, CA
- Average pressure in August: 29.92"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in August
Sonoma, CA
- Average wind speed in August: 5mph
The windiest month (with the highest average wind speed) is May (6.2mph).
The calmest month (with the lowest average wind speed) is November (4.4mph).
Average humidity in August
Sonoma, CA
- Average humidity in August: 64%
The month with the highest relative humidity is March (76%).
The month with the lowest relative humidity is September (59%).
Average rainfall in August
Sonoma, CA
- Average rainfall in August: 0.04"
The wettest month (with the highest rainfall) is February (3.43").
The driest months (with the least rainfall) are July and August (0.04").
Average rainfall days in August
Sonoma, CA
- Average rainfall days in August: 0.8 days
The month with the highest number of rainy days is March (13.4 days).
The month with the least rainy days is August (0.8 days).
Average daylight in August /
Average sunshine in August
Sonoma, CA
- Average daylight in August: 13h and 4min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in August: 11h and 5min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 36min).
Average sunshine days in August
Sonoma, CA
- Average sunshine days in August: 28.3 days
The month with the most sunshine days is July (28.7 days).
The month with the least sunshine days is March (16.1 days).
Average UV index in August
Sonoma, CA
- Average UV index in August: 5
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in August
Sonoma, CA
- Average cloud cover in August: 9
The month with the most cloud cover is March (Cloud cover 40).
The month with the least cloud cover is July (Cloud cover 8).
Average visibility in August
Sonoma, 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).
Sonoma, California, USA
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