Antioch weather by month
Average highs run from 56°F in January to 91°F in July, and January nights average 40°F. It gets 13 inches of rain and melted snow a year, with almost no snow. Expect about 64 days a year at 90°F or hotter. The most comfortable months are March to May and October to November.
Best time to visit Antioch
For comfortable weather, go in March to May and October to November. In those months the average high stays between 62°F and 86°F, nights average 42°F or warmer, and rain stays under 4.5 inches for the month.
Month by month
| Month | High | Low | Precip. | Snow | Wet days | Days 90°F+ | Nights below 32°F | Feels |
|---|---|---|---|---|---|---|---|---|
| January | 56°F | 40°F | 2.7 in | 0.0 in | 6 | 0 | 4 | cool |
| February | 61°F | 44°F | 2.4 in | 0.0 in | 6 | 0 | 0 | cool |
| March | 67°F | 47°F | 2.0 in | 0.0 in | 5 | 0 | 0 | mild |
| April | 72°F | 50°F | 0.9 in | 0.0 in | 2 | 0 | 0 | mild |
| May | 79°F | 54°F | 0.4 in | 0.0 in | 1 | 4 | 0 | warm |
| June | 86°F | 59°F | 0.1 in | 0.0 in | 0 | 11 | 0 | warm |
| July | 91°F | 61°F | 0.0 in | 0.0 in | 0 | 20 | 0 | hot |
| August | 90°F | 60°F | 0.0 in | 0.0 in | 0 | 16 | 0 | hot |
| September | 87°F | 59°F | 0.1 in | 0.0 in | 0 | 11 | 0 | warm |
| October | 78°F | 54°F | 0.4 in | 0.0 in | 1 | 2 | 0 | warm |
| November | 65°F | 46°F | 1.2 in | 0.0 in | 3 | 0 | 0 | mild |
| December | 56°F | 40°F | 2.5 in | 0.0 in | 6 | 0 | 3 | cool |
| Year | 74°F avg | 51°F avg | 12.6 in | 0.0 in | 30 | 64 | 7 |
"Wet days" are days with at least 0.1 inch of precipitation. "Feels" is a plain-language label for the average high. Normals for 1991-2020 from NOAA NCEI, station Antioch Pumping Plt #3, CA (USC00040232), 1.5 miles from the city center. Averages describe typical conditions, not a forecast.
Sunrise, sunset and daylight in Antioch
The shortest day is December 21, with 9h 31m of daylight; the longest is June 21, with 14h 48m. The earliest sunset comes around November 30 (4:47 pm) and the latest around June 22 (8:33 pm). The sun sets after 8 pm on 103 days a year.
| On the 15th of | Sunrise | Sunset | Daylight |
|---|---|---|---|
| January | 7:22 am | 5:11 pm | 9h 50m |
| February | 6:57 am | 5:45 pm | 10h 49m |
| March | 7:18 am | 7:14 pm | 11h 56m |
| April | 6:31 am | 7:43 pm | 13h 11m |
| May | 5:56 am | 8:10 pm | 14h 14m |
| June | 5:44 am | 8:31 pm | 14h 47m |
| July | 5:57 am | 8:28 pm | 14h 32m |
| August | 6:22 am | 7:59 pm | 13h 37m |
| September | 6:49 am | 7:14 pm | 12h 25m |
| October | 7:16 am | 6:28 pm | 11h 13m |
| November | 6:48 am | 4:54 pm | 10h 07m |
| December | 7:16 am | 4:48 pm | 9h 32m |
Calculated for 2026 at the center of Antioch with NOAA's solar equations, in local clock time (Pacific Time, including daylight saving time where it applies). Times shift by a minute or two from year to year.
Is Antioch getting warmer?
The last 10 years averaged 2.4°F warmer than the 20th century. See the climate stripes for Antioch.Frequently asked questions
What is the warmest month in Antioch?
July is the warmest month, with an average high of 91°F and an average low of 61°F (NOAA 1991-2020 normals).
What is the coldest month in Antioch?
January is the coldest, with average lows of 40°F and highs of 56°F.
What is the rainiest month in Antioch?
January gets the most precipitation, 2.7 inches on average. July is the driest at 0.0 inches.
Does it snow in Antioch?
Very little. The normal yearly snowfall is under one inch.
When is the best time to visit Antioch?
For comfortable weather, March to May and October to November. Those months average highs between 62 and 86°F with lows of 42°F or more and modest rain.
Thinking of moving to Antioch?
See what homes, rent and everyday prices cost, who lives there and how it compares with nearby cities on the full Antioch profile.
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