Tehran Weather in December: Climate, Temperature & Travel Tips
Avg 6.8°C · 31mm rain — December is winter in Tehran.
- Avg high
- 10.5 °C
- Avg low
- 3.1 °C
- Avg
- 6.8 °C
- Precipitation
- 31 mm
Source: Open-Meteo Archive 2014–2023 · 10-year climate normals
Climate Overview
December in Tehran, Iran brings winter conditions: average temperature 6.8°C, average high 10.5°C, average low 3.1°C. Monthly rainfall averages 31mm, making it a drier time of year.
Pack winter clothing to stay comfortable during outdoor excursions.
What to Pack
- Heavy winter coat, thermal layers, gloves, hat
- Insulated waterproof boots
Best Things to Do
- Indoor museums, markets, and cafes
- Hot springs or indoor thermal facilities
- Evening illuminations and festivals (if any)
Pros and Cons of Visiting in December
Pros:
- Low rainfall — minimal disruption to outdoor plans
Cons:
- Cold conditions require winter gear
Climate source: Open-Meteo Archive (2014–2023).
Colour = avg temperature · blue = cool · orange = warm
- 1 July 31.4°C
- 2 August 30.0°C
- 3 June 28.9°C
- 1 January 5.2°C
- 2 December 6.8°C
- 3 February 7.6°C
FAQ
01 What is the average temperature in Tehran in December? +
The average is 6.8°C, with a high of 11°C and a low of 3°C.
02 What is Tehran like to visit in December? +
It is winter in Tehran, which is cool — bring warm clothes.
03 Does it rain often in Tehran during December? +
Average rainfall is 31mm, which is low.
04 What should I pack for Tehran in December? +
Heavy winter coat, thermal layers, gloves, hat; Insulated waterproof boots.
05 Is December a peak travel season for Tehran? +
It is closer to off-season, with more reasonable prices and fewer crowds.
06 Where does this climate data come from? +
Monthly averages computed from Open-Meteo Archive 2014–2023 daily observations.
- Sources
- Open-Meteo Archive 2014-2023
- Updated
- 2026-04-17