Weather in Antioch, California, United States
Historical monthly conditions · 2021–2025
Monthly averages
Average daily air-temperature lows/highs and peak wind gusts. Rain is the average monthly total.
| Month | Avg low | Avg high | Rain | Cloud cover | Avg peak gust |
|---|---|---|---|---|---|
| January | 6°C | 15°C | 83.3 mm | 59% | 29.6 km/h |
| February | 6°C | 17°C | 72.9 mm | 49% | 32.8 km/h |
| March | 8°C | 18°C | 79.9 mm | 52% | 37.9 km/h |
| April | 9°C | 22°C | 15.4 mm | 38% | 37.5 km/h |
| May | 12°C | 25°C | 9.4 mm | 26% | 43.2 km/h |
| June | 14°C | 27°C | 0.3 mm | 25% | 44.3 km/h |
| July | 15°C | 28°C | 0.2 mm | 24% | 42.3 km/h |
| August | 15°C | 29°C | 0.4 mm | 21% | 39.6 km/h |
| September | 15°C | 28°C | 5.4 mm | 27% | 34.5 km/h |
| October | 12°C | 24°C | 32.4 mm | 36% | 29.0 km/h |
| November | 8°C | 18°C | 54.0 mm | 53% | 26.5 km/h |
| December | 7°C | 14°C | 125.9 mm | 71% | 27.6 km/h |
Weather match by month
Feels like 15°C–30°C · cloud ≤60% · rain ≤0.1 mm/h · gust ≤50 km/h
Feels-like temperature accounts for humidity and wind in shade. Percentages cover 08:00–20:00 local solar time.
| Month | Match rate | |
|---|---|---|
| January | 3.8% | |
| February | 11.1% | |
| March | 15.2% | |
| April | 36.5% | |
| May | 61.4% | |
| June | 72.3% | |
| July | 80.0% | |
| August | 83.5% | |
| September | 72.9% | |
| October | 54.2% | |
| November | 16.8% | |
| December | 2.7% |
About this location and data
- Urban-centre population
- 192,502
- Elevation
- 57 m
- Coordinates
- 38.00°N, 121.85°W
- Urban area
- 87 km²
Weather averages use 2 ERA5 grid cells, weighted by the area of the urban centre in each cell.
2021-2025 recent-weather sample (not a 30-year normal).
How the weather scores are calculated