Thermograph

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

Weather in Istanbul, Turkey in December

In an average December, Istanbul sees a daily high around 10°C and a low around 6°C, based on 1981–2026 of local climate records.

Average high10°C
Typical high range5°C to 15°C
Average low6°C
Typical low range2°C to 9°C
Average daily precipitation3 mm

December records

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

High

Highest 20°C 2010-12-03
Lowest 0°C 2001-12-19

Low

Highest 16°C 2010-12-02
Lowest -3°C 2001-12-20

Feels-like

Highest 16°C 2010-12-02
Lowest -10°C 2001-12-19

Humidity

Highest 11.7 g/m³ 2023-12-02
Lowest 2.8 g/m³ 1992-12-30

Wind

Highest 64 km/h 1991-12-07
Lowest 6 km/h 2015-12-06

Precip

Wettest 201 mm 2001
Driest 19 mm 2015

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