April weather forecast and climate
Antioch, CA

A high bridge passing over the famous San Joaquin River Delta in Antioch, California
A high bridge passing over the famous San Joaquin River Delta in Antioch, California

Weather in April

April in Antioch, California, is a pleasant spring month, with temperature in the range of an average high of 69.4°F (20.8°C) and an average low of 46.6°F (8.1°C).

Temperature

In Antioch, the average high-temperature slightly increases, from an enjoyable 63.5°F (17.5°C) in March, to an agreeable 69.4°F (20.8°C). The average low-temperature, in Antioch, is 46.6°F (8.1°C).

Humidity

In April, the average relative humidity is 66%.

Rainfall

In Antioch, during April, the rain falls for 6.3 days and regularly aggregates up to 0.55" (14mm) of precipitation. In Antioch, California, during the entire year, the rain falls for 62 days and collects up to 10.16" (258mm) of precipitation.

Snowfall

January through November are months without snowfall.

Daylight

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

Sunshine

The average sunshine in Antioch, California, is 10.3h.

UV index

The average daily maximum UV index in April is 5. A UV Index of 3 to 5 symbolizes a moderate health risk from the exposure to the Sun's UV radiation for the average person.
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. 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 Antioch?

The average high-temperature, in April, is 69.4°F (20.8°C), while the average low-temperature is 46.6°F (8.1°C).

What is the average humidity in April in Antioch?

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

How much does it rain in Antioch in April?

In Antioch, in April, it is raining for 6.3 days, with typically 0.55" (14mm) of accumulated precipitation.

When it does not snow in Antioch?

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

How many hours of daylight does Antioch have in April?

The average length of the day in April in Antioch, California, is 13.2h.

How many hours of sunshine does Antioch have in April?

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

What is the UV index intensity in April in Antioch?

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

Average temperature in April
Antioch, CA

Average temperature in April - Antioch, 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
Antioch, CA

Average pressure in April - Antioch, 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
Antioch, CA

Average wind speed in April - Antioch, 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
Antioch, CA

Average humidity in April - Antioch, 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
Antioch, CA

Average rainfall in April - Antioch, 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
Antioch, CA

Average rainfall days in April - Antioch, 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
Antioch, CA

Average snowfall days in April - Antioch, 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
Antioch, CA

Average daylight in April / Average sunshine in April - Antioch, 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
Antioch, CA

Average sunshine days in April - Antioch, 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
Antioch, CA

Average UV index in April - Antioch, 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
Antioch, CA

Average cloud cover in April - Antioch, 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
Antioch, CA

Average visibility in April - Antioch, 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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