May weather forecast
Berkeley, CA

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

Weather in May

The last month of the spring, May, is an agreeable month in Berkeley, California, with an average temperature varying between 68°F (20°C) and 50.5°F (10.3°C).

Temperature

In Berkeley, the average high-temperature in May is practically the same as in April - an agreeable 68°F (20°C). In Berkeley, the average low-temperature is 50.5°F (10.3°C).

Humidity

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

Rainfall

In Berkeley, it is raining for 4 days, with typically 0.28" (7mm) of accumulated precipitation. In Berkeley, during the entire year, the rain falls for 55.6 days and collects up to 5.24" (133mm) of precipitation.

Daylight

In May, the average length of the day is 14h and 14min.
On the first day of the month, sunrise is at 6:12 am and sunset at 7:59 pm. On the last day of May, sunrise is at 5:48 am and sunset at 8:24 pm PDT.

Sunshine

In May, the average sunshine is 10.7h.

UV index

April through September, with an average maximum UV index of 5, are months with the highest UV index in Berkeley, California. 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 maximum UV index of 5 in May interpret into the following advice:
Take precautions - Protection against sunburn is recommended. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. A wide-brim hat offers excellent sun protection for the 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 May in Berkeley?

In Berkeley, California, in May, the average high-temperature is 68°F (20°C), and the average low-temperature is 50.5°F (10.3°C).

What is the average humidity in May in Berkeley?

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

How much does it rain in Berkeley in May?

In May, the rain falls for 4 days. Throughout May, 0.28" (7mm) of precipitation is accumulated.

How many hours of daylight does Berkeley have in May?

The average day length in May in Berkeley is 14h and 14min.

When is the sunrise / sunset in May in Berkeley?

In May, on the first day of the month, sunrise is at 6:12 am and sunset at 7:59 pm. On the last day of the month, in Berkeley, California, sunrise is at 5:48 am and sunset at 8:24 pm PDT.

How many hours of sunshine does Berkeley have in May?

In May, the average sunshine duration in Berkeley is 10.7h.

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

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

How high is the UV index in May in Berkeley?

In Berkeley, California, the average daily maximum UV index in May is 5. A UV Index estimate of 3 to 5 represents a medium health risk from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Berkeley, CA

Average temperature in May - Berkeley, CA
  • Average high temperature in May: 68°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 May: 50.5°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 May
Berkeley, CA

Average pressure in May - Berkeley, CA
  • Average pressure in May: 29.98"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).

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Average wind speed in May
Berkeley, CA

Average wind speed in May - Berkeley, CA
  • Average wind speed in May: 7.3mph

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 May
Berkeley, CA

Average humidity in May - Berkeley, CA
  • Average humidity in May: 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 May
Berkeley, CA

Average rainfall in May - Berkeley, CA
  • Average rainfall in May: 0.28"

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 May
Berkeley, CA

Average rainfall days in May - Berkeley, CA
  • Average rainfall days in May: 4 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 May /
Average sunshine in May
Berkeley, CA

Average daylight in May / Average sunshine in May - Berkeley, CA
  • Average daylight in May: 14h and 14min

The month with the longest days is June (Average daylight: 14h and 45min).
The month with the shortest days is December (Average daylight: 9h and 35min).

  • Average sunshine in May: 10h and 42min

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).

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Average sunshine days in May
Berkeley, CA

Average sunshine days in May - Berkeley, CA
  • Average sunshine days in May: 23.1 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 May
Berkeley, CA

Average UV index in May - Berkeley, CA
  • Average UV index in May: 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).

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Average cloud cover in May
Berkeley, CA

Average cloud cover in May - Berkeley, CA
  • Average cloud cover in May: 25

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 May
Berkeley, CA

Average visibility in May - Berkeley, CA
  • Average visibility in May: 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).

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