Thermograph

Weather in Newcastle in December

In an average December, Newcastle sees a daily high around 28°C and a low around 18°C, based on 1980–2026 of local climate records.

Average high28°C
Typical high range22°C to 34°C
Average low18°C
Typical low range14°C to 21°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 42°C 2004-12-01
Lowest 17°C 2002-12-10

Low

Highest 27°C 2025-12-21
Lowest 10°C 1995-12-25

Feels-like

Highest 73°C 2004-12-01
Lowest 8°C 1995-12-25

Humidity

Highest 21.0 g/m³ 2017-12-20
Lowest 5.4 g/m³ 1993-12-27

Wind

Highest 34 km/h 2013-12-05
Lowest 7 km/h 2014-12-06

Gust

Highest 85 km/h 1990-12-23
Lowest 22 km/h 1990-12-03

Precip

Wettest 159 mm 2020
Driest 9 mm 2019

See Newcastle's live weather grade →

Visiting Newcastle in December? See how its comfort stacks up against where you live.

Compare Newcastle with your city →

‹ November · Newcastle climate overview · January ›