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 33°C on 2022-07-18; its coldest fell to -16°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 | 12°C2022-01-01
-7°C1982-01-14
|
10°C2016-01-24
-12°C1982-01-14
|
| February | 16°C2019-02-26
-6°C1991-02-09
|
11°C2004-02-03
-13°C1985-02-13
|
| March | 19°C2021-03-30
-4°C2018-03-01
|
11°C2017-03-30
-8°C1986-03-03
|
| April | 24°C2003-04-16
1°C1981-04-26
|
11°C2018-04-18
-5°C1998-04-12
|
| May | 29°C2026-05-26
6°C1995-05-11
|
18°C2026-05-27
-1°C2020-05-12
|
| June | 33°C2026-06-25
9°C2019-06-11
|
22°C2026-06-25
2°C1991-06-04
|
| July | 33°C2022-07-18
12°C2004-07-08
|
20°C2026-07-11
4°C2015-07-31
|
| August | 31°C2026-08-12
12°C1986-08-18
|
19°C2003-08-05
5°C2012-08-31
|
| September | 27°C2021-09-07
9°C2012-09-23
|
18°C2023-09-07
1°C2024-09-13
|
| October | 24°C2011-10-01
5°C2008-10-30
|
15°C2023-10-01
-3°C2008-10-29
|
| November | 16°C2005-11-02
-2°C1993-11-23
|
13°C1996-11-02
-8°C2010-11-28
|
| December | 14°C1985-12-02
-7°C2010-12-25
|
12°C2015-12-26
-16°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) | 16°C2019-02-26
-7°C1982-01-14
|
12°C2015-12-26
-16°C2010-12-25
|
| Spring (Mar–May) | 29°C2026-05-26
-4°C2018-03-01
|
18°C2026-05-27
-8°C1986-03-03
|
| Summer (Jun–Aug) | 33°C2022-07-18
9°C2019-06-11
|
22°C2026-06-25
2°C1991-06-04
|
| Autumn (Sep–Nov) | 27°C2021-09-07
-2°C1993-11-23
|
18°C2023-09-07
-8°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.