| Month | Average (°F) | Record (°F) | Average (inches) | |||
|---|---|---|---|---|---|---|
| High ☀️ | Low 🌙 | High ☀️ | Low 🌙 | Precipitation 💧 | Snow ❄️ | |
| January | 30.6 | 10.9 | 59 | -28 | 4.0 | 16.9 |
| February | 33.3 | 12.4 | 65 | -28 | 3.2 | 18.4 |
| March | 40.8 | 21.1 | 82 | -18 | 3.8 | 11.1 |
| April | 52.7 | 31.9 | 85 | 10 | 4.3 | 2.8 |
| May | 63.6 | 41.8 | 95 | 22 | 3.9 | 0.0 |
| June | 72.4 | 51.2 | 96 | 33 | 4.3 | 0.0 |
| July | 78.1 | 57.3 | 98 | 43 | 3.1 | 0.0 |
| August | 77.5 | 56.2 | 98 | 35 | 3.2 | 0.0 |
| September | 70.5 | 48.8 | 98 | 24 | 4.0 | 0.0 |
| October | 58.2 | 38.6 | 87 | 17 | 5.4 | 0.3 |
| November | 46.7 | 29.4 | 73 | 2 | 4.7 | 2.1 |
| December | 36.0 | 19.0 | 65 | -27 | 4.6 | 12.1 |
| Entire year | 55.2 | 35.0 | 98 | -28 | 48.1 | 62.8 |
|
More Belfast Weather Records
1893–2022
|
||
|---|---|---|
| Highest daily low | 73 °F | July 24, 1984 |
| Lowest daily high | -5 °F | January 7, 2018 |
| Greatest daily range (Difference of high and low) |
57 °F | February 12, 1967 |
| Greatest difference in daily high over two conscutive days |
39 °F | Apr 1–2, 1998 |
| Most daily precipitation | 8.6 inches | October 1, 2015 |
| Most monthly precipitation | 16.2 inches | October 2005 |
| Most yearly precipitation | 71.3 inches | 1983 |
| Most yearly days with precipitation | 153 | 2019 |
| Earliest snow in season | October 26 | 1962 |
| Latest snow in season | May 9 | 2020 |
| Most daily snow | 19.0 inches | February 18, 1952 |
| Most monthly snow | 49.5 inches | February 2015 |
| Most yearly snow | 117.0 inches | 2015 |
| Most snow in a winter | 135.0 inches | 2014–2015 |
| Greatest snow accumulation | 51.0 inches | February 28, 1969 |
| Earliest freeze | September 14 | 1955 |
| Earliest day ≥ 70 °F | March 21 | 2012 |
| Earliest day ≥ 80 °F | March 22 | 2012 |
| Earliest day ≥ 90 °F | May 10 | 1979 |
| Latest freeze | May 26 | 1992 |
| Latest day ≥ 70 °F | November 8 | 2020 |
| Latest day ≥ 80 °F | October 19 | 1965 |
| Latest day ≥ 90 °F | September 11 | 1961 |
| Most days in a year < 0 °F | 33 | 2015 |
| Most days in a year < 32 °F | 173 | 1997 |
| Most days in a year ≥ 80 °F | 67 | 1983 |
| Most days in a year ≥ 90 °F | 15 | 1955 |
|
Belfast Weather Streaks
Most consecutive days...
|
||
|---|---|---|
| With precipitation | 10 days | Apr 29 – May 8, 1947 |
| Without precipitation | 28 days | May 4–31, 1992 |
| With snow | 5 days | Feb 4–8, 2008 |
| High temperature at or below freezing |
27 days | Jan 27 – Feb 22, 2015 |
| High temperature ≥ 80 °F | 24 days | Jul 16 – Aug 8, 2022 |
| High temperature ≥ 90 °F | 6 days | Jul 13–18, 1952 |
| Years | Station | Coordinates |
|---|---|---|
| 1893–2022 | Belfast | location |