| Month | Average (°F) | Record (°F) | Average (inches) | |||
|---|---|---|---|---|---|---|
| High ☀️ | Low 🌙 | High ☀️ | Low 🌙 | Precipitation 💧 | Snow ❄️ | |
| January | 29.4 | 10.8 | 66 | -34 | 3.6 | 34.8 |
| February | 31.3 | 11.7 | 67 | -31 | 2.9 | 29.2 |
| March | 40.0 | 21.6 | 82 | -21 | 2.8 | 13.6 |
| April | 53.9 | 34.5 | 92 | 1 | 3.5 | 2.7 |
| May | 67.2 | 47.1 | 92 | 21 | 3.6 | 0.0 |
| June | 75.6 | 56.9 | 98 | 30 | 3.7 | 0.0 |
| July | 80.1 | 62.0 | 99 | 35 | 3.5 | 0.0 |
| August | 79.1 | 60.4 | 97 | 36 | 3.9 | 0.0 |
| September | 72.1 | 52.3 | 96 | 26 | 3.9 | 0.0 |
| October | 58.6 | 40.9 | 87 | 15 | 5.0 | 0.5 |
| November | 46.7 | 30.4 | 78 | -3 | 4.2 | 8.8 |
| December | 35.3 | 19.6 | 69 | -39 | 3.9 | 27.6 |
| Entire year | 55.9 | 37.5 | 99 | -39 | 44.1 | 117.8 |
|
More Watertown Weather Records
1893–2024
|
||
|---|---|---|
| Highest daily low | 80 °F | July 6, 1911 |
| Lowest daily high | -15 °F | January 9, 1968 |
| Greatest daily range (Difference of high and low) |
63 °F | December 25, 1980 |
| Greatest difference in daily high over two conscutive days |
53 °F | Jan 13–14, 2018 |
| Most daily precipitation | 4.9 inches | August 18, 1949 |
| Most monthly precipitation | 12.3 inches | October 2017 |
| Most yearly precipitation | 63.1 inches | 2017 |
| Most yearly days with precipitation | 202 | 2008 |
| Earliest snow in season | October 1 | 1946 |
| Latest snow in season | May 20 | 1976 |
| Most daily snow | 45.0 inches | November 15, 1900 |
| Most monthly snow | 108.2 inches | December 1985 |
| Most yearly snow | 242.4 inches | 1985 |
| Most snow in a winter | 225.3 inches | 1899–1900 |
| Greatest snow accumulation | 50.0 inches | February 2, 1977 |
| Earliest freeze | September 15 | 1913 |
| Earliest day ≥ 80 °F | March 16 | 1990 |
| Earliest day ≥ 90 °F | April 29 | 1990 |
| Latest freeze | June 1 | 1945 |
| Latest day ≥ 80 °F | October 23 | 2007 |
| Latest day ≥ 90 °F | September 26 | 1920 |
| Most days in a year < 0 °F | 44 | 1904 |
| Most days in a year < 32 °F | 162 | 1978 |
| Most days in a year ≥ 80 °F | 87 | 1921 |
| Most days in a year ≥ 90 °F | 21 | 1898 |
|
Watertown Weather Streaks
Most consecutive days...
|
||
|---|---|---|
| With precipitation | 15 days | Dec 11–25, 1950 |
| Without precipitation | 22 days | Mar 4–25, 1987 |
| With snow | 15 days | Dec 11–25, 1950 |
| High temperature at or below freezing |
41 days | Jan 28 – Mar 9, 1978 |
| High temperature ≥ 80 °F | 40 days | Jun 21 – Jul 30, 1921 |
| High temperature ≥ 90 °F | 9 days | Aug 28 – Sep 5, 1953 |
| Years | Station | Coordinates |
|---|---|---|
| 1893–2024 | Watertown | location |