| Month | Average (°F) | Record (°F) | Average (inches) | |||
|---|---|---|---|---|---|---|
| High ☀️ | Low 🌙 | High ☀️ | Low 🌙 | Precipitation 💧 | Snow ❄️ | |
| January | 50.2 | 31.5 | 79 | -5 | 3.6 | 3.1 |
| February | 53.5 | 33.4 | 81 | 4 | 3.0 | 1.4 |
| March | 60.3 | 39.4 | 88 | 14 | 4.1 | 0.3 |
| April | 70.1 | 48.5 | 94 | 24 | 3.6 | 0.0 |
| May | 77.0 | 57.2 | 98 | 30 | 3.9 | 0.0 |
| June | 84.2 | 65.5 | 105 | 40 | 4.7 | 0.0 |
| July | 88.0 | 70.2 | 103 | 49 | 5.7 | 0.0 |
| August | 86.1 | 69.0 | 103 | 46 | 5.9 | 0.0 |
| September | 80.9 | 63.5 | 101 | 39 | 5.8 | 0.0 |
| October | 71.6 | 52.0 | 98 | 23 | 4.3 | 0.0 |
| November | 61.6 | 41.3 | 85 | 18 | 3.7 | 0.0 |
| December | 53.7 | 35.2 | 80 | 4 | 3.7 | 1.1 |
| Entire year | 69.8 | 50.6 | 105 | -5 | 51.7 | 5.8 |
|
More Suffolk Weather Records
1945–2024
|
||
|---|---|---|
| Highest daily low | 84 °F | July 29, 2002 |
| Lowest daily high | 15 °F | January 19, 1994 |
| Greatest daily range (Difference of high and low) |
50 °F | December 1, 2020 |
| Greatest difference in daily high over two conscutive days |
42 °F | Jan 6–7, 2014 |
| Most daily precipitation | 11.0 inches | August 27, 2011 |
| Most monthly precipitation | 23.1 inches | September 1999 |
| Most yearly precipitation | 70.7 inches | 1999 |
| Most yearly days with precipitation | 148 | 2013 |
| Earliest snow in season | November 11 | 1987 |
| Latest snow in season | March 30 | 1964 |
| Most daily snow | 17.0 inches | February 6, 1980 |
| Most monthly snow | 23.5 inches | February 1989 |
| Most yearly snow | 43.8 inches | 1980 |
| Most snow in a winter | 43.0 inches | 1979–1980 |
| Greatest snow accumulation | 17.0 inches | February 6, 1980 |
| Earliest freeze | October 10 | 1989 |
| Earliest day ≥ 90 °F | April 9 | 2001 |
| Earliest day ≥ 100 °F | June 18 | 2004 |
| Latest freeze | May 11 | 1947 |
| Latest day ≥ 90 °F | October 22 | 1947 |
| Latest day ≥ 100 °F | September 25 | 2004 |
| Most days in a year < 0 °F | 1 | 1985 |
| Most days in a year < 32 °F | 89 | 1981 |
| Most days in a year ≥ 80 °F | 151 | 1954 |
| Most days in a year ≥ 90 °F | 75 | 1952 |
| Most days in a year ≥ 100 °F | 11 | 2004 |
|
Suffolk Weather Streaks
Most consecutive days...
|
||
|---|---|---|
| With precipitation | 12 days | Jul 7–18, 1975 |
| Without precipitation | 40 days | Oct 15 – Nov 23, 2001 |
| With snow | 6 days | Feb 7–12, 1984 |
| High temperature at or below freezing |
6 days | Feb 1–6, 1996 |
| High temperature ≥ 80 °F | 90 days | Jun 17 – Sep 14, 2007 |
| High temperature ≥ 90 °F | 19 days | Jul 13–31, 1995 |
| High temperature ≥ 100 °F | 4 days | Sep 22–25, 2004 |
| Years | Station | Coordinates |
|---|---|---|
| 1945–2024 | Suffolk Lake Kilby | location |