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Contents
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average snowfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
A high bridge passing over the famous San Joaquin River Delta in Antioch, California
Weather in January
January is a moderate winter month in Antioch, California, with an average temperature fluctuating between 41.5°F (5.3°C) and 56.1°F (13.4°C). The advent of January reveals an average high-temperature of a moderate 56.1°F (13.4°C), showing minimal difference from the prior month. Weather in January »
Weather in February
The last month of the winter, February, is also a moderate month in Antioch, California, with an average temperature varying between 59.7°F (15.4°C) and 42.4°F (5.8°C). The high-temperature average in February for Antioch is a still mild 59.7°F (15.4°C), staying closely aligned with January's conditions. Weather in February »
Weather in March
The first month of the spring, March, is a refreshing month in Antioch, California, with an average temperature fluctuating between 63.5°F (17.5°C) and 43.9°F (6.6°C). The transition from February to March sees average high-temperatures adjusting to a still refreshing 63.5°F (17.5°C), from a not significantly different 59.7°F (15.4°C). Weather in March »
Weather in April
April in Antioch, California, is an agreeable spring month, with an average temperature fluctuating between 46.6°F (8.1°C) and 69.4°F (20.8°C). The commencement of April sees a minor shift in the average high-temperature, moving from a comfortable 63.5°F (17.5°C) in March to an agreeable 69.4°F (20.8°C). Weather in April »
Weather in May
The last month of the spring, May, is a warm month in Antioch, California, with temperature in the range of an average low of 50.5°F (10.3°C) and an average high of 75.6°F (24.2°C). May's onset is marked by a subtle temperature increase, moving from an agreeable 69.4°F (20.8°C) in April to a moderately hot 75.6°F (24.2°C). Weather in May »
Weather in June
The first month of the summer, June, is also a moderately hot month in Antioch, California, with an average temperature varying between 84.4°F (29.1°C) and 55°F (12.8°C). As Antioch transitions into June, the average high-temperature is observed to slightly rise from a warm 75.6°F (24.2°C) in May to a still moderately hot 84.4°F (29.1°C). Weather in June »
Weather in July
July is a hot summer month in Antioch, California, with an average temperature ranging between max 88.5°F (31.4°C) and min 56.5°F (13.6°C). In Antioch, the month of July is known for its highest average temperatures, reaching a high of 88.5°F (31.4°C) and a low of 56.5°F (13.6°C). Throughout July, the heat index is calculated to be a tropical 93.2°F (34°C). Weather in July »
Weather in August
The last month of the summer, August, is another tropical month in Antioch, California, with an average temperature fluctuating between 87.4°F (30.8°C) and 57.4°F (14.1°C). Antioch, California, marks the start of August with an average high-temperature of a still hot 87.4°F (30.8°C), hinting at a slight fluctuation from July's 88.5°F (31.4°C). Weather in August »
Weather in September
The first month of the autumn, September, is also a moderately hot month in Antioch, California, with an average temperature varying between 85.3°F (29.6°C) and 57.7°F (14.3°C). Entering September, Antioch's average high-temperature reads a warm 85.3°F (29.6°C), indicating a close resemblance to the previous month's climate. Weather in September »
Weather in October
October, the same as September, is a moderately hot autumn month in Antioch, California, with an average temperature varying between 75.9°F (24.4°C) and 54°F (12.2°C). The arrival of October corresponds with a temperature reduction, down from September's moderately hot 85.3°F (29.6°C) to a still warm 75.9°F (24.4°C). Weather in October »
Weather in November
The last month of the autumn, November, is another refreshing month in Antioch, California, with an average temperature ranging between min 46.6°F (8.1°C) and max 63.9°F (17.7°C). With the beginning of November, the average high-temperature shows a decrease, transitioning from a moderately hot 75.9°F (24.4°C) in October to a refreshing 63.9°F (17.7°C). Weather in November »
Weather in December
December, the first month of the winter in Antioch, is also a fresh month, with an average temperature varying between 41.7°F (5.4°C) and 55°F (12.8°C). Temperature readings reach their annual highs in December, averaging 55°F (12.8°C) and a minimum average of 41.7°F (5.4°C). Weather in December »
[Resources]Frequently asked questions
What is the most humid month in Antioch?
With an average relative humidity of 74%, January is the most humid month in Antioch, California.
How much does it rain in Antioch?
In Antioch, California, during the entire year, the rain falls for 62 days and collects up to 10.16" (258mm) of precipitation.
When it does not snow in Antioch?
In Antioch, snow does not fall in January through November.
How many days does it snow in Antioch?
In Antioch, during the entire year, snow falls for 0.1 days.
What is the month with the lowest UV index in Antioch?
The months with the lowest UV index in Antioch, California, are January, February, November and December, with an average maximum UV index of 3.
What is the rainiest month in Antioch?
The month with the most rainfall is February, when the rain falls for 7.8 days and typically aggregates up to 2.09" (53mm) of precipitation.
When is Daylight Saving Time (DST) in Antioch?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Antioch, California, and the time zone changes from PST to PDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from PDT to PST.
When are the longest days in Antioch?
June has the longest days of the year in Antioch, with an average of 14h and 48min of daylight.
When is the highest UV index in Antioch?
The months with the highest UV index are June through August, with an average maximum UV index of 6.
What is the hottest time of year in Antioch?
July tends to be the warmest month, with temperatures averaging a daily high of 88.5°F (31.4°C) and a low of 56.5°F (13.6°C).
What is the driest month in Antioch?
July and August are months with the least rain when the rain falls for 1.3 days and typically aggregates up to 0.04" (1mm) of rain.
What month has the most sunshine in Antioch?
The month with the most sunshine is July, with an average of 12.1h of sunshine.
What is the least humid month in Antioch?
September is the least humid month in Antioch, with an average relative humidity of 52%.
What is the coldest time of year in Antioch?
With average high and low temperatures of 55°F (12.8°C) and 41.7°F (5.4°C) respectively, December is Antioch's coldest month.
When does it snow in Antioch?
The only month with snowfall in Antioch, California, is December.
When does it snow the most in Antioch?
The month with the most snowfall days is December, when snow falls for 0.1 days.
What is the month with the shortest days in Antioch?
With an average of 9h and 36min of daylight, December has the shortest days of the year in Antioch, California.
What is the month with the least sunshine in Antioch?
December has the least sunshine of the year, with an average of 5.8h of sunshine.
Average temperature
Antioch, CA
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).
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).
Average pressure
Antioch, CA
- Average pressure in January:
30.14"Hg - Average pressure in February:
30.08"Hg - Average pressure in March:
30.07"Hg - Average pressure in April:
30.03"Hg - Average pressure in May:
29.97"Hg - Average pressure in June:
29.91"Hg
- Average pressure in July:
29.92"Hg - Average pressure in August:
29.92"Hg - Average pressure in September:
29.92"Hg - Average pressure in October:
29.98"Hg - Average pressure in November:
30.07"Hg - Average pressure in December:
30.11"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).
Average wind speed
Antioch, CA
- Average wind speed in January:
4.5mph - Average wind speed in February:
5.7mph - Average wind speed in March:
6mph - Average wind speed in April:
6.8mph - Average wind speed in May:
7.6mph - Average wind speed in June:
7.8mph
- Average wind speed in July:
7.5mph - Average wind speed in August:
7mph - Average wind speed in September:
6.2mph - Average wind speed in October:
5.5mph - Average wind speed in November:
4.5mph - Average wind speed in December:
5mph
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).
Average humidity
Antioch, CA
The month with the highest relative humidity is January (74%).
The month with the lowest relative humidity is September (52%).
Average rainfall
Antioch, CA
- Average rainfall in January:
1.89" - Average rainfall in February:
2.09" - Average rainfall in March:
1.77" - Average rainfall in April:
0.55" - Average rainfall in May:
0.43" - Average rainfall in June:
0.08"
- Average rainfall in July:
0.04" - Average rainfall in August:
0.04" - Average rainfall in September:
0.08" - Average rainfall in October:
0.51" - Average rainfall in November:
1.1" - Average rainfall in December:
1.57"
The wettest month (with the highest rainfall) is February (2.09").
The driest months (with the least rainfall) are July and August (0.04").
Average rainfall days
Antioch, CA
- Average rainfall days in January:
8.6 days - Average rainfall days in February:
7.8 days - Average rainfall days in March:
12.3 days - Average rainfall days in April:
6.3 days - Average rainfall days in May:
4 days - Average rainfall days in June:
1.3 days
- Average rainfall days in July:
1.3 days - Average rainfall days in August:
0.8 days - Average rainfall days in September:
1.3 days - Average rainfall days in October:
3.3 days - Average rainfall days in November:
5.7 days - Average rainfall days in December:
9.3 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).
Average snowfall days
Antioch, CA
- Average snowfall days in January:
0 days - Average snowfall days in February:
0 days - Average snowfall days in March:
0 days - Average snowfall days in April:
0 days - Average snowfall days in May:
0 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
0 days - Average snowfall days in November:
0 days - Average snowfall days in December:
0.1 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).
Average daylight / Average sunshine
Antioch, CA
- Average daylight in January:
9h and 5min - Average daylight in February:
10h and 5min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 1min - Average daylight in May:
14h and 1min - Average daylight in June:
14h and 5min
- Average daylight in July:
14h and 3min - Average daylight in August:
13h and 4min - Average daylight in September:
12h and 2min - Average daylight in October:
11h and 1min - Average daylight in November:
10h and 1min - Average daylight in December:
9h and 4min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in January:
6h and 0min - Average sunshine in February:
6h and 1min - Average sunshine in March:
7h and 5min - Average sunshine in April:
10h and 2min - Average sunshine in May:
11h and 1min - Average sunshine in June:
11h and 5min
- Average sunshine in July:
12h and 1min - Average sunshine in August:
11h and 5min - Average sunshine in September:
11h and 1min - Average sunshine in October:
7h and 1min - Average sunshine in November:
6h and 4min - Average sunshine in December:
5h and 5min
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).
Average sunshine days
Antioch, CA
- Average sunshine days in January:
21.8 days - Average sunshine days in February:
19.8 days - Average sunshine days in March:
17.7 days - Average sunshine days in April:
22.8 days - Average sunshine days in May:
26.6 days - Average sunshine days in June:
28.5 days
- Average sunshine days in July:
29.7 days - Average sunshine days in August:
29.8 days - Average sunshine days in September:
28.5 days - Average sunshine days in October:
26.9 days - Average sunshine days in November:
23.7 days - Average sunshine days in December:
21.1 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).
Average UV index
Antioch, CA
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).
Average cloud cover
Antioch, CA
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).
Average visibility
Antioch, CA
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).
Antioch, California, USA
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