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
August
Weather in August
Temperature
August's arrival brings a modest temperature shift, moving from a refreshing 16.8°C (62.2°F) in July to a pleasant 20.4°C (68.7°F). Throughout the month of August, the average temperature in San Francisco dips to a chilly 9°C (48.2°F) at night.Humidity
In August, the average relative humidity is 63%.Rainfall
In San Francisco, in August, it is raining for 4.6 days, with typically 13mm (0.51") of accumulated precipitation. In San Francisco, during the entire year, the rain falls for 91.8 days and collects up to 449mm (17.68") of precipitation.Daylight
In San Francisco, the average length of the day in August is 11h and 1min.On the first day of August, sunrise is at 07:55 and sunset at 18:33. On the last day of the month, sunrise is at 07:24 and sunset at 18:52 -03.
Sunshine
The average sunshine in August in San Francisco is 8.5h.UV index
May through August, with an average maximum UV index of 4, are months with the lowest UV index in San Francisco. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: A maximum UV index of 4 in August translates into the following recommendations:
Be vigilant - Preventing sunburn is recommended. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for San Francisco in August?
What is the average humidity in August in San Francisco?
How much does it rain in San Francisco in August?
What is the average length of the day in August in San Francisco?
What time are sunrise and sunset in August in San Francisco?
How long on average sun shines in August in San Francisco?
What are the months with the lowest UV index in San Francisco?
What is the UV index reading in August in San Francisco?
Average temperature in August
San Francisco, Argentina
- Average high temperature in August: 20.4°C
The warmest month (with the highest average high temperature) is January (33.9°C).
The month with the lowest average high temperature is July (16.8°C).
- Average low temperature in August: 9°C
The month with the highest average low temperature is January (20.3°C).
The coldest month (with the lowest average low temperature) is July (7.6°C).
Average pressure in August
San Francisco, Argentina
- Average pressure in August: 1017.7mbar
The month with the highest atmospheric pressure is July (1018.8mbar).
The month with the lowest atmospheric pressure is December (1009.7mbar).
Average wind speed in August
San Francisco, Argentina
- Average wind speed in August: 15.9km/h
The windiest month (with the highest average wind speed) is October (17.1km/h).
The calmest month (with the lowest average wind speed) is March (13.2km/h).
Average humidity in August
San Francisco, Argentina
- Average humidity in August: 63%
The month with the highest relative humidity is May (75%).
The month with the lowest relative humidity is January (48%).
Average rainfall in August
San Francisco, Argentina
- Average rainfall in August: 13mm
The wettest month (with the highest rainfall) is November (75mm).
The driest months (with the least rainfall) are June and July (12mm).
Average rainfall days in August
San Francisco, Argentina
- Average rainfall days in August: 4.6 days
The month with the highest number of rainy days is October (10.5 days).
The month with the least rainy days is August (4.6 days).
Average daylight in August /
Average sunshine in August
San Francisco, Argentina
- Average daylight in August: 11h and 0min
The month with the longest days is December (Average daylight: 14h and 12min).
The month with the shortest days is June (Average daylight: 10h and 6min).
- Average sunshine in August: 8h and 3min
The month with the most sunshine is December (Average sunshine: 10h and 24min).
The month with the least sunshine is May (Average sunshine: 7h and 18min).
Average sunshine days in August
San Francisco, Argentina
- Average sunshine days in August: 24.9 days
The month with the most sunshine days is August (24.9 days).
The month with the least sunshine days is February (18.3 days).
Average UV index in August
San Francisco, Argentina
- Average UV index in August: 4
The months with the highest UV index are January, February and December (UV index 7).
The months with the lowest UV index are May, June, July and August (UV index 4).
Average cloud cover in August
San Francisco, Argentina
- Average cloud cover in August: 23
The month with the most cloud cover is May (Cloud cover 36).
The month with the least cloud cover is January (Cloud cover 19).
Average visibility in August
San Francisco, Argentina
- Average visibility in August: 10km
The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (10km).
The month with the lowest visibility is May (9km).
