Thermograph

Weather in Belfast in January

In an average January, Belfast sees a daily high around 7°C and a low around 3°C, based on 1980–2026 of local climate records.

Average high7°C
Typical high range3°C to 11°C
Average low3°C
Typical low range-1°C to 7°C
Average daily precipitation3 mm

January records

The most extreme January on record for each metric, across 1980–2026. For rainfall, the wettest and driest are by total January accumulation.

High

Highest 14°C 2022-01-01
Lowest -3°C 1987-01-12

Low

Highest 12°C 1998-01-10
Lowest -9°C 1982-01-12

Feels-like

Highest 12°C 1998-01-10
Lowest -15°C 1982-01-12

Humidity

Highest 9.8 g/m³ 2016-01-24
Lowest 2.7 g/m³ 1982-01-11

Wind

Highest 59 km/h 2005-01-08
Lowest 6 km/h 1980-01-12

Gust

Highest 126 km/h 2025-01-24
Lowest 11 km/h 1980-01-12

Precip

Wettest 153 mm 2026
Driest 26 mm 2022

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