Southampton weather records
Record high and low temperatures for Southampton, 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 34°C on 2026-06-24; its coldest fell to -12°C on 1981-12-12.
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°C2015-01-09
-6°C1987-01-12
|
12°C2007-01-09
-9°C1987-01-12
|
| February | 16°C2019-02-27
-5°C1991-02-07
|
12°C2004-02-03
-9°C1986-02-10
|
| March | 20°C2021-03-30
-1°C2018-03-01
|
11°C2017-03-29
-5°C1985-03-20
|
| April | 24°C2018-04-19
3°C2000-04-04
|
12°C2007-04-16
-3°C1990-04-05
|
| May | 29°C2026-05-26
7°C1996-05-18
|
16°C2012-05-25
-1°C1982-05-05
|
| June | 34°C2026-06-24
11°C1989-06-01
|
20°C2026-06-25
3°C1991-06-04
|
| July | 33°C2022-07-18
14°C2015-07-24
|
19°C2026-07-10
7°C2015-07-31
|
| August | 33°C1990-08-03
13°C2011-08-18
|
20°C2003-08-05
5°C2014-08-24
|
| September | 29°C2023-09-09
10°C1986-09-15
|
19°C2023-09-07
2°C2003-09-24
|
| October | 26°C2011-10-01
6°C2018-10-27
|
17°C2014-10-18
-3°C1983-10-30
|
| November | 17°C2024-11-24
-1°C2010-11-28
|
14°C2025-11-05
-5°C1989-11-26
|
| December | 15°C2015-12-20
-2°C1981-12-12
|
13°C2015-12-26
-12°C1981-12-12
|
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°C2019-02-27
-6°C1987-01-12
|
13°C2015-12-26
-12°C1981-12-12
|
| Spring (Mar–May) | 29°C2026-05-26
-1°C2018-03-01
|
16°C2012-05-25
-5°C1985-03-20
|
| Summer (Jun–Aug) | 34°C2026-06-24
11°C1989-06-01
|
20°C2003-08-05
3°C1991-06-04
|
| Autumn (Sep–Nov) | 29°C2023-09-09
-1°C2010-11-28
|
19°C2023-09-07
-5°C1989-11-26
|
All-time records
The most extreme value Southampton 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.