August weather forecastSan Gregorio, CA
August
Weather in August
The last month of the summer, August, is also an agreeable month in San Gregorio, California, with temperature in the range of an average high of 73°F (22.8°C) and an average low of 56.7°F (13.7°C).Temperature
San Gregorio witnesses the warmest weather in August, with temperatures averaging a high of 73°F (22.8°C) and a low of 56.7°F (13.7°C).Humidity
The average relative humidity in August is 74%.Rainfall
In San Gregorio, in August, it is raining for 1 days, with typically 0.08" (2mm) of accumulated precipitation. In San Gregorio, during the entire year, the rain falls for 57.5 days and collects up to 4.76" (121mm) of precipitation.Daylight
In August, the average length of the day is 13h and 33min.On the first day of the month, sunrise is at 6:14 am and sunset at 8:16 pm. On the last day of August, sunrise is at 6:39 am and sunset at 7:39 pm PDT.
Sunshine
In San Gregorio, the average sunshine in August is 11.9h.UV index
The months with the highest UV index are June through September, with an average maximum UV index of 5. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: The daily high UV index of 5 in August translates into this advice:
Heed the precautions - Protecting the skin and eyes from damage is compulsory. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. 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.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
San Gregorio, CA
- Average high temperature in August: 73°F
The warmest month (with the highest average high temperature) is August (73°F).
The month with the lowest average high temperature is December (55.8°F).
- Average low temperature in August: 56.7°F
The months with the highest average low temperature are August and September (56.7°F).
The coldest months (with the lowest average low temperature) are January and February (46.4°F).
Average pressure in August
San Gregorio, CA
- Average pressure in August: 29.93"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is September (29.92"Hg).
Average wind speed in August
San Gregorio, CA
- Average wind speed in August: 5.5mph
The windiest month (with the highest average wind speed) is April (7.6mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).
Average humidity in August
San Gregorio, CA
- Average humidity in August: 74%
The month with the highest relative humidity is March (76%).
The month with the lowest relative humidity is October (68%).
Average rainfall in August
San Gregorio, CA
- Average rainfall in August: 0.08"
The wettest month (with the highest rainfall) is February (0.98").
The driest month (with the least rainfall) is June (0.04").
Average rainfall days in August
San Gregorio, CA
- Average rainfall days in August: 1 days
The month with the highest number of rainy days is March (10.6 days).
The month with the least rainy days is June (0.9 days).
Average daylight in August /
Average sunshine in August
San Gregorio, CA
- Average daylight in August: 13h and 30min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in August: 11h and 54min
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 54min).
Average sunshine days in August
San Gregorio, CA
- Average sunshine days in August: 24.2 days
The months with the most sunshine days are June and July (26.3 days).
The month with the least sunshine days is March (18.3 days).
Average UV index in August
San Gregorio, CA
- Average UV index in August: 5
The months with the highest UV index are June, July, August and September (UV index 5).
The months with the lowest UV index are February, November and December (UV index 3).
Average cloud cover in August
San Gregorio, CA
- Average cloud cover in August: 11
The month with the most cloud cover is March (Cloud cover 35).
The month with the least cloud cover is July (Cloud cover 9).
Average visibility in August
San Gregorio, 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).
