WanderWhen

Tehran weather in December

December is a fair shoulder-season month in Tehran — decent conditions with some trade-offs. Expect highs around 11°C, lows near 2°C, and about 5.3 days with rain.

6.1 · Fairtravel score for December
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Avg high
11°C
Avg low
2°C
Rainfall
33 mm
Rain days
5.3
Sunshine
7.8 h/day
Daylight
9.6 h

What to pack for Tehran in December

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

Humidity averages 54%; max daily wind around 12 km/h.

How December 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 December: the details

In December, Tehran sees average daytime highs of 11°C (52°F) and overnight lows of 2°C (36°F). Rainfall totals roughly 33 mm across 5.3 rainy days, and the sun shines about 7.8 hours per day with 9.6 hours of daylight mid-month. Relative humidity averages 54%.

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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