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's advent notes a subtle adjustment in average high-temperature to a still comfortable 65.8°F (18.8°C) from July. Pacifica experiences a nighttime temperature average of 55.9°F (13.3°C) during August.Humidity
With an average relative humidity of 82%, August is the most humid month.Rainfall
In Pacifica, in August, it is raining for 6 days, with typically 0.16" (4mm) of accumulated precipitation. Throughout the year, there are 77.3 rainfall days, and 6.81" (173mm) of precipitation is accumulated.Daylight
In Pacifica, the average length of the day in August is 13h and 34min.On the first day of the month, sunrise is at 6:14 am and sunset at 8:17 pm. On the last day of August, sunrise is at 6:40 am and sunset at 7:39 pm PDT.
Sunshine
In Pacifica, the average sunshine in August is 10.7h.UV index
June, August and September, with an average maximum UV index of 5, are months with the highest UV index. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: In August, the average maximum UV index of 5 translates into the following recommendations:
Undertake precautions - Obligation exists to protect against skin and eye damage. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. During bright days, sunglasses that offer UVA and UVB defense are recommended.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average August temperature?
What is the most humid month?
What is the average humidity in August?
How many days does it rain in August?
How many hours of daylight does Pacifica have in August?
When are sunrise and sunset in August?
How long on average sun shines in August?
What is the month with the highest UV index in Pacifica?
What is the UV index reading in August?
Average temperature in August
Pacifica, CA
- Average high temperature in August: 65.8°F
The warmest month (with the highest average high temperature) is September (67.5°F).
The month with the lowest average high temperature is December (55.6°F).
- Average low temperature in August: 55.9°F
The month with the highest average low temperature is September (56.8°F).
The coldest months (with the lowest average low temperature) are January and February (48.7°F).
Average pressure in August
Pacifica, 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
Pacifica, CA
- Average wind speed in August: 6.8mph
The windiest month (with the highest average wind speed) is April (9.4mph).
The calmest months (with the lowest average wind speed) are August and September (6.8mph).
Average humidity in August
Pacifica, CA
- Average humidity in August: 82%
The month with the highest relative humidity is August (82%).
The months with the lowest relative humidity are November and December (72%).
Average rainfall in August
Pacifica, CA
- Average rainfall in August: 0.16"
The wettest month (with the highest rainfall) is February (1.34").
The driest months (with the least rainfall) are June, July and September (0.12").
Average rainfall days in August
Pacifica, CA
- Average rainfall days in August: 6 days
The month with the highest number of rainy days is March (10.5 days).
The month with the least rainy days is September (3.6 days).
Average daylight in August /
Average sunshine in August
Pacifica, CA
- Average daylight in August: 13h and 4min
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: 10h and 4min
The month with the most sunshine is July (Average sunshine: 11h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 42min).
Average sunshine days in August
Pacifica, CA
- Average sunshine days in August: 18.7 days
The month with the most sunshine days is October (24.5 days).
The month with the least sunshine days is August (18.7 days).
Average UV index in August
Pacifica, CA
- Average UV index in August: 5
The months with the highest UV index are June, August and September (UV index 5).
The months with the lowest UV index are February and December (UV index 3).
Average cloud cover in August
Pacifica, CA
- Average cloud cover in August: 29
The month with the most cloud cover is March (Cloud cover 39).
The months with the least cloud cover are September and October (Cloud cover 21).
Average visibility in August
Pacifica, 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).
Pacifica, California, USA
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