Thermograph

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

Weather in Swindon in December

In an average December, Swindon 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 12°C
Average low3°C
Typical low range-2°C to 8°C
Average daily precipitation3 mm

December records

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

High

Highest 15°C 2015-12-20
Lowest -3°C 2010-12-19

Low

Highest 13°C 2015-12-26
Lowest -15°C 1981-12-12

Feels-like

Highest 13°C 2015-12-26
Lowest -28°C 1981-12-13

Humidity

Highest 10.7 g/m³ 2021-12-30
Lowest 2.3 g/m³ 1981-12-12

Wind

Highest 56 km/h 1993-12-09
Lowest 4 km/h 2024-12-27

Gust

Highest 116 km/h 2013-12-24
Lowest 9 km/h 1996-12-08

Precip

Wettest 112 mm 1989
Driest 19 mm 1991

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