April 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 April

April, like March, in Berkeley, California, is another enjoyable spring month, with average temperature ranging between max 65.3°F (18.5°C) and min 47.8°F (8.8°C).

Temperature

In April, the average high-temperature is relatively the same as in March - a still comfortable 65.3°F (18.5°C). The average low-temperature, in April, is 47.8°F (8.8°C).

Humidity

The average relative humidity is 71%.

Rainfall

In Berkeley, during April, the rain falls for 5.9 days and regularly aggregates up to 0.24" (6mm) of 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 Berkeley, the average length of the day is 13.2h.

Sunshine

In Berkeley, California, the average sunshine is 10.4h.

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: In April, the average maximum UV index of 5 translate into the following recommendations:
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. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
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FAQ

What is the temperature in April in Berkeley?

In April, in Berkeley, the average high-temperature is 65.3°F (18.5°C), and the average low-temperature is 47.8°F (8.8°C).

What is the average humidity in April in Berkeley?

The average relative humidity in April in Berkeley is 71%.

How much does it rain in Berkeley in April?

In Berkeley, during April, the rain falls for 5.9 days and regularly aggregates up to 0.24" (6mm) of precipitation.

What is the average length of the day in April in Berkeley?

The average length of the day in April in Berkeley is 13.2h.

How many hours of sunshine does Berkeley have in April?

In Berkeley, California, the average sunshine in April is 10.4h.

When is 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.

What is the UV index intensity in April in Berkeley?

In Berkeley, the average daily maximum UV index in April is 5. A UV Index reading of 3 to 5 represents a medium hazard to health from unprotected exposure to the UV radiation.

Average temperature in April
Berkeley, CA

Average temperature in April - Berkeley, CA
  • Average high temperature in April: 65.3°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 April: 47.8°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 April
Berkeley, CA

Average pressure in April - Berkeley, CA
  • Average pressure in April: 30.03"

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 April
Berkeley, CA

Average wind speed in April - Berkeley, CA
  • Average wind speed in April: 7mph

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 April
Berkeley, CA

Average humidity in April - Berkeley, CA
  • Average humidity in April: 71%

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 April
Berkeley, CA

Average rainfall in April - Berkeley, CA
  • Average rainfall in April: 0.24"

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 April
Berkeley, CA

Average rainfall days in April - Berkeley, CA
  • Average rainfall days in April: 5.9 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 April /
Average sunshine in April
Berkeley, CA

Average daylight in April / Average sunshine in April - Berkeley, CA
  • Average daylight in April: 13.2h

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 April: 10.4h

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 April
Berkeley, CA

Average sunshine days in April - Berkeley, CA
  • Average sunshine days in April: 23.7 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 April
Berkeley, CA

Average UV index in April - Berkeley, CA
  • Average UV index in April: 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 April
Berkeley, CA

Average cloud cover in April - Berkeley, CA
  • Average cloud cover in April: 27

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 April
Berkeley, CA

Average visibility in April - Berkeley, CA
  • Average visibility in April: 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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