Thermograph

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

St Helens weather records

Record high and low temperatures for St Helens, 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 2022-07-19; its coldest fell to -15°C on 1981-12-13.

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
-5°C1982-01-14
11°C2005-01-07
-12°C1982-01-15
February
18°C2019-02-26
-2°C1985-02-10
12°C2004-02-03
-7°C1985-02-12
March
20°C2012-03-27
-1°C2018-03-01
13°C2017-03-30
-8°C1985-03-18
April
25°C2003-04-16
4°C1981-04-24
13°C2007-04-24
-3°C1984-04-02
May
28°C2026-05-26
7°C1997-05-06
15°C2018-05-31
0°C1981-05-05
June
30°C2026-06-26
10°C1985-06-07
18°C2023-06-24
2°C1991-06-05
July
33°C2022-07-19
13°C2004-07-08
20°C2022-07-19
7°C2011-07-02
August
32°C1990-08-02
13°C1993-08-22
19°C1997-08-20
5°C1980-08-25
September
28°C2021-09-08
11°C1998-09-12
18°C2016-09-06
2°C2025-09-22
October
26°C2011-10-01
5°C2008-10-28
17°C1985-10-01
-3°C1993-10-17
November
18°C2005-11-02
-1°C1993-11-23
15°C2015-11-10
-6°C2010-11-28
December
16°C2015-12-19
-8°C1981-12-12
13°C1994-12-11
-15°C1981-12-13

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)
18°C2019-02-26
-8°C1981-12-12
13°C1994-12-11
-15°C1981-12-13
Spring (Mar–May)
28°C2026-05-26
-1°C2018-03-01
15°C2018-05-31
-8°C1985-03-18
Summer (Jun–Aug)
33°C2022-07-19
10°C1985-06-07
20°C2022-07-19
2°C1991-06-05
Autumn (Sep–Nov)
28°C2021-09-08
-1°C1993-11-23
18°C2016-09-06
-6°C2010-11-28

All-time records

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

High

Highest 33°C 2022-07-19
Lowest -8°C 1981-12-12

Low

Highest 20°C 2022-07-19
Lowest -15°C 1981-12-13

Feels-like

Highest 38°C 2026-06-26
Lowest -28°C 1981-12-13

Humidity

Highest 17.7 g/m³ 2026-06-26
Lowest 1.9 g/m³ 1981-12-12

Wind

Highest 68 km/h 1997-12-24
Lowest 4 km/h 1987-12-10

Gust

Highest 137 km/h 1990-01-25
Lowest 9 km/h 1999-01-30

Precip

Wettest 57 mm 2024-10-16
Driest 8-day dry spell 1980-05-10

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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