| Month | Average (°F) | Record (°F) | Average (inches) | |||
|---|---|---|---|---|---|---|
| High ☀️ | Low 🌙 | High ☀️ | Low 🌙 | Precipitation 💧 | Snow ❄️ | |
| January | 68.1 | 39.5 | 91 | 7 | 2.7 | 0.0 |
| February | 68.0 | 40.9 | 95 | 16 | 2.7 | 0.0 |
| March | 71.7 | 44.9 | 102 | 17 | 1.8 | 0.0 |
| April | 76.6 | 47.8 | 104 | 24 | 0.7 | 0.0 |
| May | 81.5 | 52.3 | 110 | 30 | 0.4 | 0.0 |
| June | 89.7 | 56.9 | 116 | 31 | 0.1 | 0.0 |
| July | 96.6 | 62.8 | 120 | 40 | 0.2 | 0.0 |
| August | 98.1 | 63.8 | 116 | 37 | 0.1 | 0.0 |
| September | 93.4 | 60.1 | 116 | 35 | 0.3 | 0.0 |
| October | 84.3 | 52.0 | 108 | 24 | 0.4 | 0.0 |
| November | 75.0 | 43.8 | 99 | 19 | 0.8 | 0.0 |
| December | 66.2 | 38.6 | 92 | 17 | 1.8 | 0.0 |
| Entire year | 81.0 | 50.5 | 120 | 7 | 11.0 | 0.0 |
|
More San Jacinto Weather Records
1893–2024
|
||
|---|---|---|
| Highest daily low | 83 °F | July 23, 2006 |
| Lowest daily high | 36 °F | February 19, 2002 |
| Greatest daily range (Difference of high and low) |
68 °F | October 22, 1909 |
| Greatest difference in daily high over two conscutive days |
36 °F | Nov 10–11, 1985 |
| Most daily precipitation | 3.5 inches | February 14, 2019 |
| Most monthly precipitation | 14.2 inches | January 1993 |
| Most yearly precipitation | 27.4 inches | 1978 |
| Most yearly days with precipitation | 62 | 1978 |
| Earliest snow in season | November 12 | 1985 |
| Latest snow in season | March 4 | 1896 |
| Most daily snow | 3.0 inches | December 13, 1967 |
| Most monthly snow | 3.0 inches | December 1967 |
| Most yearly snow | 3.0 inches | 1967 |
| Most snow in a winter | 3.0 inches | 1967–1968 |
| Greatest snow accumulation | 2.0 inches | December 20, 1968 |
| Earliest freeze | October 4 | 2003 |
| Earliest day ≥ 90 °F | January 12 | 1928 |
| Earliest day ≥ 100 °F | March 4 | 1910 |
| Latest freeze | June 2 | 1967 |
| Latest day ≥ 90 °F | December 8 | 1938 |
| Latest day ≥ 100 °F | October 26 | 1926 |
| Most days in a year < 32 °F | 74 | 1964 |
| Most days in a year ≥ 80 °F | 234 | 1910 |
| Most days in a year ≥ 90 °F | 146 | 1962 |
| Most days in a year ≥ 100 °F | 74 | 1964 |
| Most days in a year ≥ 110 °F | 8 | 1973 |
|
San Jacinto Weather Streaks
Most consecutive days...
|
||
|---|---|---|
| With precipitation | 10 days | Mar 9–18, 1986 |
| Without precipitation | 208 days | Apr 30 – Nov 23, 1926 |
| High temperature ≥ 80 °F | 137 days | May 31 – Oct 14, 2022 |
| High temperature ≥ 90 °F | 91 days | Jun 14 – Sep 12, 1958 |
| High temperature ≥ 100 °F | 30 days | Jul 29 – Aug 27, 1969 |
| High temperature ≥ 110 °F | 7 days | Jul 21–27, 2006 |