Thermograph

How unusual is the weather? Graded against ~45 years of local climate history.

Plymouth weather records

Record high and low temperatures for Plymouth, 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 28°C on 2026-06-24; its coldest fell to -5°C on 1987-01-13.

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.

MonthDaytime highOvernight low
January
14°C2022-01-01
-2°C1987-01-13
12°C2007-01-09
-5°C1987-01-13
February
13°C2004-02-04
-1°C1991-02-07
12°C2004-02-03
-4°C1991-02-07
March
16°C2012-03-29
2°C2018-03-18
11°C2017-03-30
-2°C2018-03-01
April
18°C2026-04-08
5°C1981-04-26
13°C2025-04-30
1°C1986-04-11
May
26°C2026-05-26
7°C1982-05-05
16°C2018-05-29
4°C1996-05-19
June
28°C2026-06-24
11°C1987-06-09
19°C2026-06-25
8°C1991-06-04
July
28°C2026-07-10
12°C1997-07-02
19°C2021-07-22
11°C1996-07-07
August
24°C2022-08-14
13°C1986-08-29
20°C1995-08-03
11°C1986-08-29
September
22°C2023-09-09
12°C1986-09-15
18°C2023-09-04
8°C2007-09-27
October
19°C2017-10-16
8°C2003-10-22
16°C2013-10-03
5°C2018-10-30
November
16°C2009-11-01
2°C2010-11-28
15°C2025-11-05
1°C2010-11-30
December
15°C1985-12-02
1°C1996-12-31
14°C2015-12-19
-1°C2010-12-22

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).

SeasonDaytime highOvernight low
Winter (Dec–Feb)
15°C1985-12-02
-2°C1987-01-13
14°C2015-12-19
-5°C1987-01-13
Spring (Mar–May)
26°C2026-05-26
2°C2018-03-18
16°C2018-05-29
-2°C2018-03-01
Summer (Jun–Aug)
28°C2026-06-24
11°C1987-06-09
20°C1995-08-03
8°C1991-06-04
Autumn (Sep–Nov)
22°C2023-09-09
2°C2010-11-28
18°C2023-09-04
1°C2010-11-30

All-time records

The most extreme value Plymouth has recorded for each metric across its entire history.

High

Highest 28°C 2026-06-24
Lowest -2°C 1987-01-13

Low

Highest 20°C 1995-08-03
Lowest -5°C 1987-01-13

Feels-like

Highest 34°C 2026-06-24
Lowest -15°C 1987-01-13

Humidity

Highest 16.5 g/m³ 2026-06-24
Lowest 2.7 g/m³ 1987-01-13

Wind

Highest 87 km/h 1990-01-25
Lowest 6 km/h 2009-10-13

Gust

Highest 141 km/h 1998-01-04
Lowest 12 km/h 2019-10-22

Precip

Wettest 48 mm 1980-06-14
Driest 12-day dry spell 1984-04-20

For rainfall, the “driest” figure is the longest run of consecutive days without measurable rain, dated to when that dry spell began.

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