Belfast weather records
Record high and low temperatures for Belfast, by month, by season, and all-time, with the dates they occurred, across 1980–2026 of daily climate history. Its hottest day on record reached 26°C on 2018-06-28; its coldest fell to -10°C on 2010-12-25.
Records by month
The warmest (▲) and coldest (▼) both the daytime high and the overnight low have ever been in each calendar month, so each column shows its record high and its record low. Tap a month for its full averages and typical range.
| Month | Daytime high | Overnight low |
|---|---|---|
| January | 14°C2022-01-01
-3°C1987-01-12
|
12°C1998-01-10
-6°C1982-01-11
|
| February | 14°C1998-02-13
0°C2018-02-28
|
12°C1998-02-12
-4°C1986-02-22
|
| March | 17°C2012-03-28
0°C2018-03-01
|
12°C2021-03-29
-3°C1986-03-02
|
| April | 20°C2025-04-30
3°C1981-04-24
|
13°C1994-04-28
-1°C2013-04-06
|
| May | 23°C2010-05-23
4°C1993-05-14
|
14°C2019-05-30
1°C1982-05-05
|
| June | 26°C2018-06-28
9°C1989-06-02
|
17°C2023-06-24
4°C2011-06-10
|
| July | 26°C2021-07-17
11°C1997-07-01
|
19°C2019-07-22
7°C1990-07-03
|
| August | 25°C1990-08-02
12°C1986-08-25
|
17°C1997-08-20
6°C1989-08-28
|
| September | 24°C2023-09-08
10°C2013-09-17
|
17°C2016-09-06
4°C1991-09-30
|
| October | 19°C1995-10-08
5°C2008-10-28
|
16°C2023-10-06
0°C1992-10-30
|
| November | 17°C2022-11-11
1°C2010-11-28
|
14°C2007-11-01
-3°C2010-11-28
|
| December | 14°C2016-12-07
-4°C2010-12-21
|
13°C1994-12-11
-10°C2010-12-25
|
Records by season
The warmest (▲) and coldest (▼) both the daytime high and the overnight low have reached in each meteorological season (Northern Hemisphere, each a three-month span).
| Season | Daytime high | Overnight low |
|---|---|---|
| Winter (Dec–Feb) | 14°C2016-12-07
-4°C2010-12-21
|
13°C1994-12-11
-10°C2010-12-25
|
| Spring (Mar–May) | 23°C2010-05-23
0°C2018-03-01
|
14°C2019-05-30
-3°C1986-03-02
|
| Summer (Jun–Aug) | 26°C2018-06-28
9°C1989-06-02
|
19°C2019-07-22
4°C2011-06-10
|
| Autumn (Sep–Nov) | 24°C2023-09-08
1°C2010-11-28
|
17°C2016-09-06
-3°C2010-11-28
|
All-time records
The most extreme value Belfast has recorded for each metric across its entire history.
High
Low
Feels-like
Humidity
Wind
Gust
Precip
For rainfall, the “driest” figure is the longest run of consecutive days without measurable rain, dated to when that dry spell began.