The Frontier Gazette & Almanack
“Fair Warning for Every Town Under the Sky” · Est. 1881
Measure in

Tehran Weather in December

Tehran in December

The short of it: Tehran in December averages a high of 10 °C (50 °F) and a low of 4 °C (39 °F), with 35 mm (1.4 in) of rain and about 9 h 45 min of daylight. Rated 4 of 5 for a visit; the best months are April and October. Source: TerraClimate climate normals, 1991–2020.

Average high 10° · low 4° · rain 35 mm · daylight 9 h 45 min

✦✦✦✦ Recommended for a visit · best months: April & October

December in Tehran brings afternoons near 10° and nights around 4°, with about 35 mm of rain over the month. The year turns hard here: highs drop 5° from November to about 10°, with nights near 4°. Rain is modest, about 35 mm, the 4th wettest month.

The sun is up for about 9 h 45 min in mid-December, 28 minutes less than a month before.

For the traveller: pack layers, a wool coat and stout boots. The Almanac rates December 4 of 5 for a visit; the finest months here are April and October.

Against its neighbours, Tehran runs about middling and wetter than most in December. Vaḩīdīyeh, 5 km to the ENE, is 1° cooler by day.

December in Tehran, by the numbers

Warmth rank
11th warmest of 12
Rain rank
4th wettest of 12
Versus November
5° colder, 3.0 mm more rain
Versus January
2° warmer
Day–night spread
6°
Snow season
seldom any
Daylight, mid-month
9 h 45 min
Average wind
8 km/h

Neighbouring Towns

December averages · distance by the crow’s flight
TownDistanceHighLowRain
VaḩīdīyehTehran5 km ENE10°3°33 mm
Shahrak-e QodsTehran8 km NNW9°2°30 mm
Morteẕá GerdTehran12 km SSW10°3°31 mm
TajrīshTehran12 km N8°1°27 mm
Shahrak-e ‘Alā’īnTehran13 km SSE11°4°27 mm
AndīshehTehran14 km WNW10°3°33 mm
Chahār DangehTehran14 km SW10°3°32 mm
BāqershahrTehran18 km S11°3°27 mm

The Almanac · Tehran Month by Month

Climate normals 1991–2020 · pick a month
PrecipitationAverage highAverage low
Recommended
The Almanac Speaks
December
✦✦✦✦✦

The year turns hard here: highs drop 5° from November to about 10°, with nights near 4°. Rain is modest, about 35 mm, the 4th wettest month.

Climate of Tehran by month
MonthHighLowRainWindDaylightVisit
January9°2°37 mm8 km/h9 h 59 min✦✦✦
February12°4°36 mm9 km/h10 h 50 min✦✦✦✦
March17°9°36 mm12 km/h11 h 52 min✦✦✦✦✦
April22°14°29 mm13 km/h13 h 3 min✦✦✦✦✦
May28°18°12 mm12 km/h14 h 2 min✦✦✦✦✦
June34°23°5.0 mm12 km/h14 h 34 min✦✦✦
July36°25°3.0 mm11 km/h14 h 21 min✦✦✦
August35°24°2.0 mm10 km/h13 h 30 min✦✦✦
September31°20°2.0 mm9 km/h12 h 21 min✦✦✦✦
October24°15°18 mm9 km/h11 h 13 min✦✦✦✦✦
November15°8°32 mm8 km/h10 h 13 min✦✦✦✦
December10°4°35 mm8 km/h9 h 45 min✦✦✦✦

Questions Readers Ask about Tehran in December

Answered from the wire & the Almanac

What is the weather like in Tehran in December?

Days average 10 °C (50 °F) and nights 4 °C (39 °F), with about 35 mm (1.4 in) of rain over the month. The year turns hard here: highs drop 5° from November to about 10°, with nights near 4°. Rain is modest, about 35 mm, the 4th wettest month.

Is December a good time to visit Tehran?

The Almanac gives December 4 of 5 (recommended). The best months are April and October.

How long are the days in Tehran in December?

In mid-December the sun is up for about 9 h 45 min. These are the shortest days of the year; the longest, in June, last 14 h 34 min.

Does it snow in Tehran in December?

Hardly — December nights average 4 °C (39 °F), above freezing.

What should I pack for Tehran in December?

Layers, a warm coat and stout boots.

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The Editor’s Remark

“Weather is the only news that never grows stale. Each morning the sky writes its own front page, and we at Wanted Weather are but its telegraph operators.”— J. Whitmore, Editor