April weather forecast
Oakley, CA

Weather in April

April in Oakley, California, is an agreeable spring month, with average temperature ranging between min 46.6°F (8.1°C) and max 69.4°F (20.8°C).

Temperature

In April, the average high-temperature marginally rises, from a comfortable 63.5°F (17.5°C) in March, to an agreeable 69.4°F (20.8°C). The average low-temperature, in April, is 46.6°F (8.1°C).

Humidity

In Oakley, the average relative humidity is 66%.

Rainfall

In April, the rain falls for 6.3 days. Throughout April, 0.55" (14mm) of precipitation is accumulated. Throughout the year, in Oakley, there are 62 rainfall days, and 10.16" (258mm) of precipitation is accumulated.

Snowfall

January through November are months without snowfall in Oakley, California.

Daylight

In Oakley, California, the average length of the day in April is 13.2h.

Sunshine

In April, the average sunshine in Oakley is 10.3h.

UV index

In Oakley, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to the UV radiation for average individuals.
Note: The daily maximum UV index of 5 in April 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. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
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FAQ

What is the average humidity in April in Oakley?

In Oakley, California, the average relative humidity in April is 66%.

How much does it rain in Oakley in April?

In Oakley, California, during April, the rain falls for 6.3 days and regularly aggregates up to 0.55" (14mm) of precipitation.

When it does not snow in Oakley?

In Oakley snow does not fall in January through November.

How many hours of daylight does Oakley have in April?

In April, the average length of the day is 13.2h.

How many hours of sunshine does Oakley have in April?

In Oakley, the average sunshine in April is 10.3h.

What is the UV index reading in April in Oakley?

In April, the average daily maximum UV index in Oakley, California, is 5. A UV Index of 3 to 5 symbolizes a medium health risk from the exposure to the Sun's UV radiation.

Average temperature in April
Oakley, CA

Average temperature in April - Oakley, CA
  • Average high temperature in April: 69.4°F

The warmest month (with the highest average high temperature) is July (88.5°F).
The month with the lowest average high temperature is December (55°F).

  • Average low temperature in April: 46.6°F

The month with the highest average low temperature is September (57.7°F).
The coldest month (with the lowest average low temperature) is January (41.5°F).

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Average pressure in April
Oakley, CA

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

The month with the highest atmospheric pressure is January (30.14").
The month with the lowest atmospheric pressure is June (29.91").

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Average wind speed in April
Oakley, CA

Average wind speed in April - Oakley, CA
  • Average wind speed in April: 6.8mph

The windiest month (with the highest average wind speed) is June (7.8mph).
The calmest months (with the lowest average wind speed) are January and November (4.5mph).

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Average humidity in April
Oakley, CA

Average humidity in April - Oakley, CA
  • Average humidity in April: 66%

The month with the highest relative humidity is January (74%).
The month with the lowest relative humidity is September (52%).

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Average rainfall in April
Oakley, CA

Average rainfall in April - Oakley, CA
  • Average rainfall in April: 0.55"

The wettest month (with the highest rainfall) is February (2.09").
The driest months (with the least rainfall) are July and August (0.04").

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Average rainfall days in April
Oakley, CA

Average rainfall days in April - Oakley, CA
  • Average rainfall days in April: 6.3 days

The month with the highest number of rainy days is March (12.3 days).
The month with the least rainy days is August (0.8 days).

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Average snowfall days in April
Oakley, CA

Average snowfall days in April - Oakley, CA
  • Average snowfall days in April: 0 days

The month with the highest number of snowfall days is December (0.1 days).
Months with the least snowfall days are January, February, March, April, May, June, July, August, September, October and November (0 days).

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Average daylight in April /
Average sunshine in April
Oakley, CA

Average daylight in April / Average sunshine in April - Oakley, 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: 10.3h

The month with the most sunshine is July (Average sunshine: 12.1h).
The month with the least sunshine is December (Average sunshine: 5.8h).

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Average sunshine days in April
Oakley, CA

Average sunshine days in April - Oakley, CA
  • Average sunshine days in April: 22.8 days

The month with the most sunshine days is August (29.8 days).
The month with the least sunshine days is March (17.7 days).

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Average UV index in April
Oakley, CA

Average UV index in April - Oakley, CA
  • Average UV index in April: 5

Months with the highest UV index are June, July and August (UV index 6).
Months with the lowest UV index are January, February, November and December (UV index 3).

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Average cloud cover in April
Oakley, CA

Average cloud cover in April - Oakley, CA
  • Average cloud cover in April: 26

Months with the most cloud cover are March and December (Cloud cover 35).
The month with the least cloud cover is July (Cloud cover 5).

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Average visibility in April
Oakley, CA

Average visibility in April - Oakley, 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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