Cardiff weather records
Record high and low temperatures for Cardiff, 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 32°C on 2022-07-18; its coldest fell to -11°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 | 13°C2022-01-01
-6°C1987-01-12
|
11°C2022-01-01
-10°C1982-01-14
|
| February | 15°C2019-02-26
-3°C1985-02-13
|
11°C2004-02-03
-8°C1985-02-13
|
| March | 18°C2021-03-30
-2°C2018-03-01
|
11°C2017-03-30
-5°C2018-03-01
|
| April | 22°C2003-04-16
3°C1981-04-26
|
12°C2007-04-24
-2°C1996-04-02
|
| May | 29°C2026-05-26
8°C1996-05-18
|
16°C2012-05-25
2°C2021-05-01
|
| June | 30°C2026-06-25
11°C1991-06-05
|
20°C2026-06-25
4°C1991-06-04
|
| July | 32°C2022-07-18
12°C1997-07-02
|
20°C1983-07-13
7°C2015-07-31
|
| August | 30°C2022-08-12
13°C1986-08-03
|
20°C2003-08-05
8°C2010-08-31
|
| September | 27°C2021-09-07
10°C2012-09-23
|
19°C2023-09-07
4°C2018-09-29
|
| October | 24°C2011-10-01
6°C2003-10-22
|
16°C2023-10-01
0°C2008-10-29
|
| November | 17°C2005-11-02
-1°C2010-11-28
|
14°C1996-11-02
-5°C2010-11-28
|
| December | 14°C1985-12-02
-4°C2010-12-25
|
13°C2015-12-19
-11°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) | 15°C2019-02-26
-6°C1987-01-12
|
13°C2015-12-19
-11°C2010-12-25
|
| Spring (Mar–May) | 29°C2026-05-26
-2°C2018-03-01
|
16°C2012-05-25
-5°C2018-03-01
|
| Summer (Jun–Aug) | 32°C2022-07-18
11°C1991-06-05
|
20°C2003-08-05
4°C1991-06-04
|
| Autumn (Sep–Nov) | 27°C2021-09-07
-1°C2010-11-28
|
19°C2023-09-07
-5°C2010-11-28
|
All-time records
The most extreme value Cardiff 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.