May weather forecast
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 May

May, the last month of the spring in Antioch, is a warm month, with temperature in the range of an average high of 75.6°F (24.2°C) and an average low of 50.5°F (10.3°C).

Temperature

In May, the average high-temperature slightly increases from a pleasant 69.4°F (20.8°C) in April to a warm 75.6°F (24.2°C). In Antioch, the average low-temperature is 50.5°F (10.3°C).

Humidity

In May, the average relative humidity in Antioch is 60%.

Rainfall

In Antioch, during May, the rain falls for 4 days and regularly aggregates up to 0.43" (11mm) of precipitation. Throughout the year, in Antioch, there are 62 rainfall days, and 10.16" (258mm) of precipitation is accumulated.

Snowfall

In Antioch, snow does not fall in January through November.

Daylight

In Antioch, the average length of the day in May is 14h and 15min.
On the first day of the month, sunrise is at 6:10 am and sunset at 7:58 pm. On the last day of May, in Antioch, California, sunrise is at 5:46 am and sunset at 8:23 pm PDT.

Sunshine

In May, the average sunshine in Antioch, California, is 11.2h.

UV index

In Antioch, the average daily maximum UV index in May is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for average individuals.
Note: The daily maximum UV index of 5 in May interpret into the following advice:
Take precautions - Protection against sun damage is advised. 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 average humidity in May in Antioch?

In Antioch, California, the average relative humidity in May is 60%.

How many days does it rain in May in Antioch?

In May, the rain falls for 4 days. Throughout May, 0.43" (11mm) of precipitation is accumulated.

When it does not snow in Antioch?

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

What is the average length of the day in May in Antioch?

In Antioch, the average day length in May is 14h and 15min.

When is the sunrise / sunset in May in Antioch?

On the first day of May in Antioch, California, sunrise is at 6:10 am and sunset at 7:58 pm. On the last day of the month, sunrise is at 5:46 am and sunset at 8:23 pm PDT.

How many hours of sunshine does Antioch have in May?

In May, the average sunshine duration in Antioch, California, is 11.2h.

What is the UV index reading in May in Antioch?

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

Average temperature in May
Antioch, CA

Average temperature in May - Antioch, CA
  • Average high temperature in May: 75.6°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 May: 50.5°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 May
Antioch, CA

Average pressure in May - Antioch, CA
  • Average pressure in May: 29.97"Hg

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

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Average wind speed in May
Antioch, CA

Average wind speed in May - Antioch, CA
  • Average wind speed in May: 7.6mph

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 May
Antioch, CA

Average humidity in May - Antioch, CA
  • Average humidity in May: 60%

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 May
Antioch, CA

Average rainfall in May - Antioch, CA
  • Average rainfall in May: 0.43"

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 May
Antioch, CA

Average rainfall days in May - Antioch, CA
  • Average rainfall days in May: 4 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 May
Antioch, CA

Average snowfall days in May - Antioch, CA
  • Average snowfall days in May: 0 days

The month with the highest number of snowfall days is December (0.1 days).
The 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 May /
Average sunshine in May
Antioch, CA

Average daylight in May / Average sunshine in May - Antioch, CA
  • Average daylight in May: 14h and 15min

The month with the longest days is June (Average daylight: 14h and 46min).
The month with the shortest days is December (Average daylight: 9h and 35min).

  • Average sunshine in May: 11h and 12min

The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 48min).

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Average sunshine days in May
Antioch, CA

Average sunshine days in May - Antioch, CA
  • Average sunshine days in May: 26.6 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 May
Antioch, CA

Average UV index in May - Antioch, CA
  • Average UV index in May: 5

The months with the highest UV index are June, July and August (UV index 6).
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
Antioch, CA

Average cloud cover in May - Antioch, CA
  • Average cloud cover in May: 19

The 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 May
Antioch, CA

Average visibility in May - Antioch, 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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