WanderWhen

Tehran weather in January

January is a challenging month to visit Tehran — consider April & October instead. Expect highs around 9°C, lows near 0°C, and about 7.2 days with rain.

4.9 · Poortravel score for January
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Avg high
9°C
Avg low
0°C
Rainfall
41 mm
Rain days
7.2
Sunshine
8.2 h/day
Daylight
9.8 h

What to pack for Tehran in January

  • a warm coat, hat and gloves
  • a packable rain layer

Humidity averages 52%; max daily wind around 14 km/h. Snow falls on about 1.7 days.

How January compares

January: 4.9/10 JFebruary: 6.4/10 FMarch: 8.9/10 MApril: 10.0/10 AMay: 8.7/10 MJune: 4.1/10 JJuly: 2.6/10 JAugust: 3.9/10 ASeptember: 6.8/10 SOctober: 10.0/10 ONovember: 8.8/10 NDecember: 6.1/10 D

Best months in Tehran: April & October. See the full best time to visit Tehran guide.

Tehran in January: the details

In January, Tehran sees average daytime highs of 9°C (49°F) and overnight lows of 0°C (32°F). Rainfall totals roughly 41 mm across 7.2 rainy days, and the sun shines about 8.2 hours per day with 9.8 hours of daylight mid-month. Relative humidity averages 52%.

These figures are climate normals computed from the ERA5 weather reanalysis (2019–2024) for Tehran, Iran (35.69, 51.42) — see our methodology. Actual conditions vary year to year.

Where should you go next month?

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