January weather forecast and climate
Tehran, Iran

A golden illusion of the front view of the Zaid Mosque in Tehran, Iran, under gray skies
A golden illusion of the front view of the Zaid Mosque in Tehran, Iran, under gray skies

What is the coldest month in Tehran?

January is the coldest month, with an average high-temperature of 8.3°C (46.9°F) and an average low-temperature of 1.2°C (34.2°F).

What is the temperature in January in Tehran?

In Tehran, Iran, in January, the average high-temperature is 8.3°C (46.9°F), and the average low-temperature is 1.2°C (34.2°F).

How much does it rain in Tehran in January?

In Tehran, in January, during 9.1 rainfall days, typically, 34.6mm (1.4") of precipitation is accumulated.

How many days does it snow in January in Tehran?

In January, in Tehran, snow falls for 5.1 days.

What is the snowiest month in Tehran?

The month with the most snowfall days is January when snow falls for 5.1 days.
Average temperature in January - Tehran, Iran
  • Average high temperature in January: 8.3°C

The warmest month (with the highest average high temperature) is July (36.8°C).
The month with the lowest average high temperature is January (8.3°C).

  • Average low temperature in January: 1.2°C

The month with the highest average low temperature is July (25.7°C).
The coldest month (with the lowest average low temperature) is January (1.2°C).

Average humidity in January - Tehran, Iran
  • Average humidity in January: 64%

The month with the highest relative humidity is January (64%).
The month with the lowest relative humidity is June (25%).

Average rainfall in January - Tehran, Iran
  • Average rainfall in January: 34.6mm

The wettest month (with the highest rainfall) is March (40.8mm).
The driest month (with the lowest rainfall) is September (1.1mm).

Average rainfall days in January - Tehran, Iran
  • Average rainfall days in January: 9.1 days

The month with the highest number of rainy days is March (10.9 days).
The month with the lowest number of rainy days is September (1 days).

Average snowfall days in January - Tehran, Iran
  • Average snowfall days in January: 5.1 days

The month with the highest number of snowfall days is January (5.1 days).
Months with the lowest number of snowfall days are May, June, July, August, September and October (0 days).

Average daylight in January / Average sunshine in January - Tehran, Iran
  • Average daylight in January: 10.1h

The month with the longest days is June (Average daylight: 14.5h).
The month with shortest days is December (Average daylight: 9.8h).

  • Average sunshine in January: 5.7h

Months with most sunshine are June and August (Average sunshine: 11h).
The month with least sunshine is December (Average sunshine: 4.9h).

Average UV index in January - Tehran, Iran
  • Average UV index in January: 3

Months with the highest UV index are June and July (UV index 12).
The month with the lowest UV index is December (UV index 2).

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