Thermograph

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

Weather in Tehran, Iran in December

In an average December, Tehran sees a daily high around 11°C and a low around 1°C, based on 1981–2026 of local climate records.

Average high11°C
Typical high range6°C to 16°C
Average low1°C
Typical low range-3°C to 4°C
Average daily precipitation0 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 23°C 1998-12-11
Lowest 0°C 1994-12-06

Low

Highest 11°C 1998-12-10
Lowest -8°C 1990-12-26

Feels-like

Highest 11°C 1998-12-10
Lowest -16°C 2025-12-30

Humidity

Highest 7.6 g/m³ 1991-12-09
Lowest 1.6 g/m³ 1992-12-29

Wind

Highest 43 km/h 2025-12-30
Lowest 5 km/h 1991-12-18

Precip

Wettest 65 mm 2022
Driest 2 mm 1982

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