| Month | Average (°F) | Record (°F) | Average (inches) | |||
|---|---|---|---|---|---|---|
| High ☀️ | Low 🌙 | High ☀️ | Low 🌙 | Precipitation 💧 | Snow ❄️ | |
| January | 55.6 | 42.2 | 82 | 23 | 8.0 | 0.0 |
| February | 60.3 | 44.1 | 83 | 21 | 7.2 | 0.0 |
| March | 63.9 | 45.3 | 88 | 24 | 4.6 | 0.0 |
| April | 66.7 | 47.2 | 92 | 28 | 2.1 | 0.0 |
| May | 71.4 | 50.2 | 100 | 27 | 0.8 | 0.0 |
| June | 76.9 | 53.3 | 110 | 31 | 0.2 | 0.0 |
| July | 80.5 | 54.9 | 109 | 34 | 0.0 | 0.0 |
| August | 80.6 | 55.2 | 105 | 40 | 0.1 | 0.0 |
| September | 79.5 | 54.1 | 110 | 32 | 0.1 | 0.0 |
| October | 74.0 | 51.2 | 106 | 28 | 1.5 | 0.0 |
| November | 64.0 | 46.1 | 88 | 25 | 3.6 | 0.0 |
| December | 56.1 | 42.0 | 79 | 20 | 7.4 | 0.0 |
| Entire year | 69.2 | 48.9 | 110 | 20 | 34.1 | 0.0 |
|
More San Rafael Weather Records
1894–2024
|
||
|---|---|---|
| Highest daily low | 77 °F | May 15, 2008 |
| Lowest daily high | 37 °F | December 22, 1990 |
| Greatest daily range (Difference of high and low) |
52 °F | June 27, 1985 |
| Greatest difference in daily high over two conscutive days |
30 °F | Jun 20–21, 2012 |
| Most daily precipitation | 8.7 inches | December 11, 1995 |
| Most monthly precipitation | 24.1 inches | January 1995 |
| Most yearly precipitation | 60.1 inches | 1973 |
| Most yearly days with precipitation | 106 | 1998 |
| Most daily snow | 3.7 inches | April 6, 1896 |
| Most monthly snow | 3.7 inches | April 1896 |
| Most yearly snow | 3.7 inches | 1896 |
| Most snow in a winter | 3.7 inches | 1895–1896 |
| Earliest freeze | October 1 | 1894 |
| Earliest day ≥ 80 °F | January 9 | 1962 |
| Earliest day ≥ 90 °F | April 8 | 1989 |
| Earliest day ≥ 100 °F | May 12 | 1976 |
| Latest freeze | June 12 | 1894 |
| Latest day ≥ 80 °F | November 29 | 1959 |
| Latest day ≥ 90 °F | October 28 | 1993 |
| Latest day ≥ 100 °F | October 8 | 1996 |
| Most days in a year < 32 °F | 42 | 1894 |
| Most days in a year ≥ 80 °F | 124 | 1959 |
| Most days in a year ≥ 90 °F | 37 | 1961 |
| Most days in a year ≥ 100 °F | 8 | 1976 |
| Most days in a year ≥ 110 °F | 2 | 1961 |
|
San Rafael Weather Streaks
Most consecutive days...
|
||
|---|---|---|
| With precipitation | 16 days | Dec 31, 1994 – Jan 15, 1995 |
| Without precipitation | 168 days | May 22 – Nov 5, 2002 |
| High temperature ≥ 80 °F | 40 days | Jul 5 – Aug 13, 2018 |
| High temperature ≥ 90 °F | 10 days | Jul 16–25, 2006 |
| High temperature ≥ 100 °F | 5 days | Sep 30 – Oct 4, 1980 |
| Years | Station | Coordinates |
|---|---|---|
| 1894–2024 | San Rafael Civic Center | location |