| Month | Average (°F) | Record (°F) | Average (inches) | ||
|---|---|---|---|---|---|
| High ☀️ | Low 🌙 | High ☀️ | Low 🌙 | Precipitation 💧 | |
| January | 56.1 | 39.9 | 79 | 19 | 3.0 |
| February | 61.1 | 43.6 | 79 | 23 | 2.6 |
| March | 66.6 | 46.4 | 92 | 27 | 1.9 |
| April | 72.0 | 49.3 | 96 | 28 | 0.8 |
| May | 78.9 | 53.8 | 104 | 32 | 0.4 |
| June | 87.0 | 58.7 | 117 | 35 | 0.1 |
| July | 91.5 | 59.9 | 114 | 41 | 0.0 |
| August | 90.0 | 59.5 | 109 | 40 | 0.0 |
| September | 86.7 | 58.1 | 110 | 38 | 0.1 |
| October | 77.6 | 53.6 | 103 | 28 | 0.4 |
| November | 64.8 | 45.6 | 87 | 22 | 1.3 |
| December | 56.1 | 40.1 | 78 | 14 | 2.7 |
| Entire year | 74.1 | 50.8 | 117 | 14 | 12.7 |
|
More Antioch Weather Records
1915–2021
|
||
|---|---|---|
| Highest daily low | 85 °F | July 20, 1931 |
| Lowest daily high | 32 °F | December 23, 1928 |
| Greatest daily range (Difference of high and low) |
57 °F | October 8, 1964 |
| Greatest difference in daily high over two conscutive days |
30 °F | Oct 16–17, 2010 |
| Most daily precipitation | 3.9 inches | September 12, 1918 |
| Most monthly precipitation | 9.4 inches | January 1916 |
| Most yearly precipitation | 27.8 inches | 1983 |
| Most yearly days with precipitation | 94 | 1998 |
| Earliest freeze | October 22 | 1949 |
| Earliest day ≥ 90 °F | March 27 | 1923 |
| Earliest day ≥ 100 °F | May 6 | 2011 |
| Latest freeze | April 19 | 1961 |
| Latest day ≥ 90 °F | October 25 | 1965 |
| Latest day ≥ 100 °F | October 5 | 1980 |
| Most days in a year < 32 °F | 45 | 1976 |
| Most days in a year ≥ 80 °F | 173 | 1926 |
| Most days in a year ≥ 90 °F | 92 | 1936 |
| Most days in a year ≥ 100 °F | 23 | 1961 |
| Most days in a year ≥ 110 °F | 5 | 1961 |
|
Antioch Weather Streaks
Most consecutive days...
|
||
|---|---|---|
| With precipitation | 21 days | Feb 1–21, 1962 |
| Without precipitation | 220 days | Apr 1 – Nov 6, 2002 |
| High temperature ≥ 80 °F | 132 days | May 24 – Oct 2, 1921 |
| High temperature ≥ 90 °F | 34 days | Jul 11 – Aug 13, 2005 |
| High temperature ≥ 100 °F | 8 days | Jun 20–27, 1929 |
| High temperature ≥ 110 °F | 3 days | Jun 15–17, 1961 |