Climate
Antioch weather by month
Average highs, lows, rain and snow for every month, from 30 years of weather records.
Average temperatures
- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec
Best time to visit: April, May, October, when highs are mild and rain is lightest.
Month by month
| Month | High | Low | Rain | Wet days |
|---|---|---|---|---|
| January | 56°F | 40°F | 2.7 in | 11 |
| February | 61°F | 44°F | 2.4 in | 9 |
| March | 67°F | 47°F | 1.9 in | 8 |
| April | 72°F | 50°F | 0.90 in | 4 |
| May | 79°F | 54°F | 0.40 in | 3 |
| June | 86°F | 59°F | 0.10 in | 1 |
| July | 91°F | 61°F | 0.00 in | 0 |
| August | 90°F | 60°F | 0.00 in | 0 |
| September | 87°F | 59°F | 0.10 in | 0 |
| October | 78°F | 54°F | 0.40 in | 1 |
| November | 65°F | 46°F | 1.2 in | 5 |
| December | 56°F | 40°F | 2.5 in | 9 |
NOAA U.S. Climate Normals 1991–2020, Antioch Pumping Plt #3, Ca Us (3.3 mi away, 60 ft). Wet days: days with at least 0.01 in of precipitation.
Questions
What is the hottest month in Antioch?
July, with an average high of 91°F and low of 61°F.
What is the coldest month in Antioch?
January, with an average low of 40°F and high of 56°F.
When does it rain most in Antioch?
January is the wettest month, averaging 2.7 in of precipitation; the year totals about 12.6 inches.
What is the best time to visit Antioch?
For mild weather (highs between 65°F and 85°F) with the least rain, April, May, October.
Where do these numbers come from?
NOAA’s 1991–2020 U.S. Climate Normals for the Antioch Pumping Plt #3 weather station, 3.3 miles from downtown: 30-year averages, not a forecast.