Thermograph

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

Weather in St Helens, England, United Kingdom in May

In an average May, St Helens sees a daily high around 15°C and a low around 6°C, based on 1981–2026 of local climate records.

Average high15°C
Typical high range11°C to 19°C
Average low6°C
Typical low range3°C to 9°C
Average daily precipitation3 mm

May records

The most extreme May on record for each metric, across 1981–2026. For rainfall, the wettest and driest are by total May accumulation.

High

Highest 28°C 2026-05-26
Lowest 5°C 1997-05-06

Low

Highest 14°C 2026-05-26
Lowest -1°C 2012-05-05

Feels-like

Highest 30°C 2026-05-26
Lowest -6°C 2012-05-05

Humidity

Highest 13.0 g/m³ 1989-05-24
Lowest 4.7 g/m³ 1997-05-06

Wind

Highest 59 km/h 1986-05-27
Lowest 6 km/h 2021-05-28

Precip

Wettest 140 mm 2021
Driest 16 mm 2020

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