Weather in Tehran in December 2024
- December is usually the wettest month of the year in Tehran;
Average weather
Average temperature in Tehran in December
The temperature in December is +14°C on average, with a range between a maximum of +18°C during the day and a minimum of -2°C at night.
The average maximum temperature goes down 10% by the end of the month, compared with the beginning of the month, from +15°C to +13°C.
Is Tehran warm or cold in December?
Tehran is typically cool in December.
Maximum temperatures go down compared to the previous month from +14°C to +8°C. The minimum temperature also goes down from +4°C to -1°C.
Pack a sweater and a jacket as there will be cooler temperatures.
December is one of the coolest months in Tehran, here is the comparison with other months:
Climate in Tehran in December
| November | December | January | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +14°C | +8°C | +6°C | ||||
| Min. temperature | ||||||
| -11°C | -20°C | -19°C | ||||
| Max. temperature | ||||||
| +25°C | +20°C | +16°C | ||||
| Rainfall | ||||||
| 35 mm | 28 mm | 18 mm | ||||
| Wind | ||||||
| 1 m/s | 1 m/s | 1 m/s | ||||
| Humidity | ||||||
| 52% | 61% | 60% | ||||
| Air pressure | ||||||
| 1019 HPa | 1020 HPa | 1019 HPa | ||||
| Sunny days | ||||||
| 13 | 12 | 13 | ||||
| Cloudy days | ||||||
| 8 | 9 | 8 | ||||
| Rainy days | ||||||
| 8 | 6 | 4 | ||||
| Snowy days | ||||||
| 1 | 4 | 7 | ||||
December weather is still as good as in November. It’s getting colder in December. From +14°C in the day, the average maximum temperature lowers to +8°C. As December arrives, the amount of rainfall goes down. On average, the rainfall volume decreases from 35 mm to 28 mm. Humidity rises from 52% to 61%. The average wind speed doesn’t change much during December, staying around 1 m/s. The days becoming less sunny, going from 13 sunny days in November to 12 in December.
January brings much the same weather, it remains good.
Wind
The average wind speed is 1 m/s getting up to 4 m/s which is a light breeze; barely moving the tree leaves.
The average wind speed in Tehran is gradually increasing during December, going from 1 m/s to 1 m/s over the course of the month.
Rain
Snow
December is one of the snowiest months in Tehran.
Here’s how December is compared with other months in the amount of snow, total mm:
How was the weather last December in Tehran?
Climate Change over Years
The climate in Tehran in December has not changed much over the last 43 years.
The average temperature was the lowest in 1982 (+18°C) and the highest in 2021 (+24°C). The driest year was 2008 with only 117 mm of rainfall, and the wettest year was 2020 with 366 mm.
FAQ
Is December a good time to visit Tehran?
Can you sunbathe in Tehran in December?
Is Tehran rainy in December?
Is it sunny in Tehran in December?
Other cities in Iran
Monthly weather in Tehran
Source of the data
For this page, we’ve looked at the typical weather in Tehran, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.