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
With the advent of August, Nicasio's high-temperatures adjust to a still moderately hot 75°F (23.9°C), closely aligning with the preceding month. Nighttime temperatures hover around an average low of 55.4°F (13°C) in August.Humidity
The average relative humidity in August is 72%.Rainfall
The months with the least rainfall are July through September Rain falls for 2.5 days and accumulates 0.08" (2mm) of rain.Daylight
In August, the average length of the day in Nicasio is 13h and 35min.On the first day of the month, sunrise is at 6:14 am and sunset at 8:19 pm. On the last day of August, sunrise is at 6:40 am and sunset at 7:41 pm PDT.
Sunshine
The average sunshine in August is 11.7h.UV index
In Nicasio, the average daily maximum UV index in August is 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for average individuals.Note: The maximum daily UV index, 5 in August, converts into the following recommendations:
Exercise caution. The susceptibility of light skin individuals to burns is less than 30 minutes. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are August temperatures in Nicasio?
What is the average humidity in August in Nicasio?
What is the driest month in Nicasio?
How many days does it rain in August in Nicasio?
What is the average length of the day in August in Nicasio?
What time are sunrise and sunset in August in Nicasio?
How many hours of sunshine does Nicasio have in August?
How high is the UV index in August in Nicasio?
Average temperature in August
Nicasio, CA
- Average high temperature in August: 75°F
The warmest month (with the highest average high temperature) is September (75.4°F).
The month with the lowest average high temperature is December (55.2°F).
- Average low temperature in August: 55.4°F
The month with the highest average low temperature is September (55.8°F).
The coldest month (with the lowest average low temperature) is December (43.9°F).
Average pressure in August
Nicasio, CA
- Average pressure in August: 29.92"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The months with the lowest atmospheric pressure are June, August and September (29.92"Hg).
Average wind speed in August
Nicasio, CA
- Average wind speed in August: 5.8mph
The windiest month (with the highest average wind speed) is May (7.3mph).
The calmest month (with the lowest average wind speed) is November (5.1mph).
Average humidity in August
Nicasio, CA
- Average humidity in August: 72%
The month with the highest relative humidity is March (77%).
The month with the lowest relative humidity is October (66%).
Average rainfall in August
Nicasio, CA
- Average rainfall in August: 0.08"
The wettest month (with the highest rainfall) is February (1.65").
The driest months (with the least rainfall) are July, August and September (0.08").
Average rainfall days in August
Nicasio, CA
- Average rainfall days in August: 2.5 days
The month with the highest number of rainy days is March (10.5 days).
The month with the least rainy days is June (2 days).
Average daylight in August /
Average sunshine in August
Nicasio, 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 4min
The month with the most sunshine is July (Average sunshine: 11h and 48min).
The month with the least sunshine is December (Average sunshine: 5h and 36min).
Average sunshine days in August
Nicasio, CA
- Average sunshine days in August: 22 days
The month with the most sunshine days is October (24.9 days).
The month with the least sunshine days is March (18.5 days).
Average UV index in August
Nicasio, CA
- Average UV index in August: 5
The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in August
Nicasio, CA
- Average cloud cover in August: 15
The month with the most cloud cover is March (Cloud cover 38).
The months with the least cloud cover are July and September (Cloud cover 14).
Average visibility in August
Nicasio, 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).
Nicasio, California, USA
Weather forecast for your location
2. Allow the app to use your location