Tehran Weather in January

What January feels like in Tehran

Winter bottoms out in January, the coolest month of Tehran's year. Midday brings little warmth — expect coat-and-scarf weather from morning to evening. Once the sun goes down the air changes: nights hover around freezing, so frost is common. Moderate humidity keeps the air pleasant.

Rain in Tehran in January

Rain turns up now and then — about one day in 4. Each rainy day adds about 5.5 mm (0.2 in), a proper wetting rather than a sprinkle. Across the year Tehran averages about 5.4 mm per rainy day, so January is typical.

Daylight and sunshine in January

In mid-January, sunrise is at about 7:13 am and sunset at about 5:13 pm (local time) — 9 h 59 min of daylight. The days are stretching out — 13 min more daylight than mid-December. The sun is out for roughly 86% of those daylight hours, so skies are mostly clear.

How January compares to the rest of the year

In Tehran's temperature order, January sits as the coolest month. Afternoons run 1.9°C (3.4°F) cooler than in December, with 1 mm more rain. From here it only gets warmer, starting with February. February averages a high of 9.6°C (49.3°F).

Who January suits

• Sightseeing: less ideal — it is cold for long walks.
• Parks & outdoor: less ideal — too cool to sit outside for long.
• Hiking: less ideal — trails are cool.

Tips for visiting Tehran in January

Quick questions