August weather forecast and climate
Berkeley, CA

the neon-lit iconic Berkeley University Sather Tower in California
the neon-lit iconic Berkeley University Sather Tower in California

Weather in August

August, the last month of the summer, in Berkeley, is also a moderately hot month, with average temperature fluctuating between 75.7°F (24.3°C) and 56.7°F (13.7°C).

Temperature

In August, the average high-temperature is essentially the same as in July - a still moderately hot 75.7°F (24.3°C). In Berkeley, California, in August, the average low-temperature is 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, California, when the rain falls for 1.5 days and typically aggregates up to 0.08" (2mm) of rain.

Daylight

In Berkeley, the average length of the day is 13.6h.

Sunshine

In Berkeley, California, the average sunshine is 11.8h.

UV index

Months with the highest UV index are April through September, with an average maximum UV index of 5. A UV Index reading of 3 to 5 represents a medium health hazard from unsafe exposure to the UV radiation for average individuals.
Note: The daily maximum UV index of 5 interpret into the following advice:
Take precautions - Protection against sun damage is advised. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.
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FAQ

What is the temperature in August in Berkeley?

In Berkeley, California, in August, the average high-temperature is 75.7°F (24.3°C), and the average low-temperature is 56.7°F (13.7°C).

What is the average humidity in August in Berkeley?

In August, the average relative humidity in Berkeley is 70%.

How many days does it rain in August in Berkeley?

In Berkeley, in August, during 1.5 rainfall days, 0.08" (2mm) of precipitation is typically accumulated.

What is the driest month in Berkeley?

Months with the least rainfall in Berkeley, California, are June through September Rain falls for 1.5 days and accumulates 0.08" (2mm) of rain.

How many hours of daylight does Berkeley have in August?

In August, the average length of the day is 13.6h.

How long on average sun shines in August in Berkeley?

In Berkeley, California, the average sunshine in August is 11.8h.

What is the month with the highest UV index in Berkeley?

April through September, with an average maximum UV index of 5, are months with the highest UV index in Berkeley, California.

What is the UV index reading in August in Berkeley?

The average daily maximum UV index in August in Berkeley, California, is 5. A UV Index estimate of 3 to 5 represents a medium health risk from the exposure to the Sun's UV rays.

Average temperature in August
Berkeley, CA

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).

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Average pressure in August
Berkeley, CA

Average pressure in August - Berkeley, CA
  • Average pressure in August: 29.92"

The month with the highest atmospheric pressure is January (30.13").
Months with the lowest atmospheric pressure are June, August and September (29.92").

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Average wind speed in August
Berkeley, CA

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).

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Average humidity in August
Berkeley, CA

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%).

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Average rainfall in August
Berkeley, CA

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").

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Average rainfall days in August
Berkeley, CA

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).

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Average daylight in August /
Average sunshine in August
Berkeley, CA

Average daylight in August / Average sunshine in August - Berkeley, CA
  • Average daylight in August: 13.6h

The month with the longest days is June (Average daylight: 14.8h).
The month with the shortest days is December (Average daylight: 9.6h).

  • Average sunshine in August: 11.8h

The month with the most sunshine is July (Average sunshine: 11.9h).
The month with the least sunshine is December (Average sunshine: 5.8h).

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Average sunshine days in August
Berkeley, CA

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).

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Average UV index in August
Berkeley, CA

Average UV index in August - Berkeley, CA
  • Average UV index in August: 5

Months with the highest UV index are April, May, June, July, August and September (UV index 5).
Months with the lowest UV index are January, February, November and December (UV index 3).

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Average cloud cover in August
Berkeley, CA

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).

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Average visibility in August
Berkeley, CA

Average visibility in August - Berkeley, CA
  • Average visibility in August: 6mi

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

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