August weather forecastBerkeley, CA
August
Weather in August
The continuity of summer is reflected in August as the temperatures marginally vary from 56.7°F (13.7°C) to 75.7°F (24.3°C). Wider visibility due to the reduced cloud cover of 14% combined with the approaching autumn greets the residents. Despite the decreased daylight by an hour, sunshine duration retains its length. A UV index reading of 5 and consistent relative humidity of 70% require essential sun protection measures. Even with lesser rainfall days of just 1.5, the high atmospheric pressure keeps the environment pleasant throughout.Temperature
The transition into August in Berkeley notes an average high-temperature of a still moderately hot 75.7°F (24.3°C), revealing a mild distinction from the 75.6°F (24.2°C) in July. Berkeley, during August, witnesses an average low-temperature of 56.7°F (13.7°C).Humidity
In August, the average relative humidity is 70%.Rainfall
June through September are months with the least rain in Berkeley when the rain falls for 1.5 days and typically aggregates up to 0.08" (2mm) of rain.Daylight
In August, the average length of the day is 13h and 35min.On the first day of the month, sunrise is at 6:13 am and sunset at 8:17 pm. On the last day of August, in Berkeley, sunrise is at 6:38 am and sunset at 7:39 pm PDT.
Sunshine
In August, the average sunshine in Berkeley is 11.8h.UV index
April through September, with an average maximum UV index of 5, are months with the highest UV index in Berkeley. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: In August, a regular UV index of 5 translates into these guidelines:
Act with care - Obligation to protect against skin and eye damage is highlighted. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Opt for tightly woven and loose clothing to enhance protection from the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Berkeley, CA
- Average high temperature in August: 75.7°F
The warmest month (with the highest average high temperature) is September (76.6°F).
The month with the lowest average high temperature is December (55.4°F).
- Average low temperature in August: 56.7°F
The month with the highest average low temperature is September (56.8°F).
The coldest month (with the lowest average low temperature) is January (44.2°F).
Average pressure in August
Berkeley, 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
Berkeley, CA
- Average wind speed in August: 6.2mph
The windiest month (with the highest average wind speed) is May (7.3mph).
The calmest month (with the lowest average wind speed) is November (5mph).
Average humidity in August
Berkeley, CA
- Average humidity in August: 70%
The month with the highest relative humidity is March (75%).
The month with the lowest relative humidity is October (64%).
Average rainfall in August
Berkeley, CA
- Average rainfall in August: 0.08"
The wettest month (with the highest rainfall) is February (1.1").
The driest months (with the least rainfall) are June, July, August and September (0.08").
Average rainfall days in August
Berkeley, CA
- Average rainfall days in August: 1.5 days
The month with the highest number of rainy days is March (8.7 days).
The month with the least rainy days is August (1.5 days).
Average daylight in August /
Average sunshine in August
Berkeley, CA
- Average daylight in August: 13h and 36min
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 48min
The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 48min).
Average sunshine days in August
Berkeley, CA
- Average sunshine days in August: 23.3 days
The month with the most sunshine days is October (26 days).
The month with the least sunshine days is February (20.5 days).
Average UV index in August
Berkeley, CA
- Average UV index in August: 5
The months with the highest UV index are April, May, June, July, August and September (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in August
Berkeley, CA
- Average cloud cover in August: 14
The month with the most cloud cover is March (Cloud cover 36).
The month with the least cloud cover is July (Cloud cover 11).
Average visibility in August
Berkeley, 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).
