| Month | Average (°F) | Record (°F) | Average (inches) | |||
|---|---|---|---|---|---|---|
| High ☀️ | Low 🌙 | High ☀️ | Low 🌙 | Precipitation 💧 | Snow ❄️ | |
| January | 68.4 | 46.9 | 93 | 21 | 4.5 | 0.0 |
| February | 69.7 | 47.5 | 92 | 26 | 5.0 | 0.0 |
| March | 73.0 | 49.5 | 98 | 29 | 3.0 | 0.0 |
| April | 76.6 | 51.9 | 105 | 31 | 1.1 | 0.0 |
| May | 78.7 | 55.5 | 104 | 32 | 0.5 | 0.0 |
| June | 83.9 | 59.2 | 113 | 41 | 0.2 | 0.0 |
| July | 89.5 | 63.3 | 113 | 45 | 0.1 | 0.0 |
| August | 91.6 | 64.2 | 109 | 43 | 0.0 | 0.0 |
| September | 90.2 | 63.1 | 115 | 41 | 0.2 | 0.0 |
| October | 83.3 | 57.7 | 108 | 36 | 0.8 | 0.0 |
| November | 74.9 | 50.7 | 101 | 26 | 1.1 | 0.0 |
| December | 67.3 | 46.0 | 93 | 25 | 3.3 | 0.0 |
| Entire year | 79.0 | 54.7 | 115 | 21 | 20.2 | 0.0 |
|
More Pasadena Weather Records
1893–2024
|
||
|---|---|---|
| Highest daily low | 83 °F | September 4, 2022 |
| Lowest daily high | 41 °F | January 22, 1962 |
| Greatest daily range (Difference of high and low) |
52 °F | April 6, 1989 |
| Greatest difference in daily high over two conscutive days |
28 °F | Apr 21–22, 1931 |
| Most daily precipitation | 7.7 inches | March 2, 1938 |
| Most monthly precipitation | 19.7 inches | February 1980 |
| Most yearly precipitation | 48.5 inches | 1983 |
| Most yearly days with precipitation | 80 | 1983 |
| Most daily snow | 3.0 inches | January 11, 1949 |
| Most monthly snow | 3.0 inches | January 1949 |
| Most yearly snow | 3.0 inches | 1949 |
| Most snow in a winter | 3.0 inches | 1948–1949 |
| Greatest snow accumulation | 3.0 inches | January 11, 1949 |
| Earliest freeze | November 13 | 1938 |
| Earliest day ≥ 90 °F | January 18 | 1971 |
| Earliest day ≥ 100 °F | April 5 | 1989 |
| Latest freeze | April 18 | 1917 |
| Latest day ≥ 90 °F | December 10 | 1950 |
| Latest day ≥ 100 °F | November 4 | 2010 |
| Most days in a year < 32 °F | 14 | 1916 |
| Most days in a year ≥ 80 °F | 227 | 2014 |
| Most days in a year ≥ 90 °F | 111 | 2022 |
| Most days in a year ≥ 100 °F | 24 | 2020 |
| Most days in a year ≥ 110 °F | 3 | 2020 |
|
Pasadena Weather Streaks
Most consecutive days...
|
||
|---|---|---|
| With precipitation | 19 days | Dec 6–24, 1916 |
| Without precipitation | 194 days | May 30 – Dec 9, 1937 |
| High temperature ≥ 80 °F | 143 days | May 25 – Oct 14, 2014 |
| High temperature ≥ 90 °F | 60 days | Jul 15 – Sep 12, 2022 |
| High temperature ≥ 100 °F | 10 days | Aug 31 – Sep 9, 2022 |
| High temperature ≥ 110 °F | 3 days | Sep 5–7, 2020 |
| Years | Station | Coordinates |
|---|---|---|
| 1893–2024 | Pasadena | location |