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IranThe weather in December in Tehran
It's cool to moderate in December in Tehran with an average temperature of 15°C. Temperatures this month range from a low of 13°C to a high of 18°C. At night, you can expect temperatures between 3°C and 7°C.
Looking for sun and warm weather? December isn’t a good month to be in Tehran. The temperatures are too low for a warm stay this month.
Average temperatures and precipitation
This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in December for Tehran, Iran. A low precipitation value usually indicates little to no rainfall on that day in recent years, while a higher value suggests more frequent rainfall.
Temperature records
With 29°C in 2016, Tehran reached the highest temperature in December over the past 10 years. The lowest daytime temperature in this month was 3°C in 2022. The extreme nighttime temperatures ranged from a lowest recorded value of -4°C to a highest value of 16°C.
Precipitation and snowfall
In December, there is an average of 16 mm of precipitation, spread over 4 days. Of the total precipitation, about 0,6 cm falls as snow in December. The wind speed is around 3 Bft, mostly coming from the Southwest.
Daily weather in December for Tehran
Click on any day in December to get detailed info about the usual weather on that day in Tehran. Check out the historical temperatures and precipitation over the past 10 years on this day.
December weather comparison
| Tehran | New York | |
|---|---|---|
| Average temperature | 15°C | 9°C |
| Max. temperature | 18°C | 12°C |
| Min. temperature | 3°C | -5°C |
| Total precipitation | 16 mm | 133 mm |
| Rainy days | 4 days | 17 days |
| Total snowfall | 0,6 cm | 9,7 cm |
| Snowy days | 1 day | 3 days |
Start of December
The month of December starts in Tehran with cool temps, averaging around 16°C during the day and nights around 6°C.
Mid December
By mid-December, daytime temps drop to around 15°C, with nights around 4°C. Not much precipitation expected during this period. It’s mostly dry and sunny.
End of December
By the end of December, the average daytime temperature in Tehran is around 15°C, while nighttime temps are about 4°C. There’s hardly any chance of precipitation. The weather will be mostly dry with plenty of sun.
UV index
The UV index is a maximum of 6 this month. That's a moderate to high value on the intensity scale of 1 to 11. Unprotected skin can burn within 15-25 minutes.
Check out the climate of Tehran for all months and discover the best travel time
Temperature charts
These charts show the average temperatures in December in Tehran, Iran. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Daily Temperature in December in Tehran
Temperature in December in Tehran over the years
Precipitation charts
These charts show the average amount of precipitation in December in Tehran, Iran. Precipitation is always measured as water, even when it falls as snow or hail The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.
Daily Precipitation in December in Tehran
Total precipitation in December in Tehran over the years
Daily Snowfall in December in Tehran
Snowfall in December in Tehran per year
Daily UV index in December in Tehran
This chart shows the average daily UV index in December in Tehran, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Weather experiences in December in Tehran
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Average weather in Tehran by month
Click on a month below to see detailed weather info for Tehran. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.