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Weather in Iran in December – is it worth traveling to?

Is the weather good for travel in December? Find out what the weather is like in Iran to plan your trip accordingly.
Check flight prices to Iran on Avionero:
December

Is the weather good in Iran in December 2024?

Good Weather
Mild
☁️
Cloudy

For the past few decades, the average daily temperatures in Iran during December have been around +10°C.

In Iran the temperature rarely varies more than seven degrees between the different parts with the highest temperature +10°C in Shiraz to +8°C in Tehran. So you should be able to pack for similar conditions wherever you go in the country.

Temperature, wind and humidity in December

Average
Mashhad
Shiraz
Tehran
☀️
+10°C
Avg. max. temperature
-20°C
Min.
+26°C
Max.
35 mm
Total precipitation
63%
Avg. humidity
1 m/s
Avg. wind
14 ☀️
Sunny Days
14 ⛅️
Cloudy
3 🌦
Rainy
Our opinion: Iran has good weather in December.
Iran in December – what city is the…
  • rainiest? Shiraz, with an average of 2 mm of rain and humidity of 59%;
  • warmest? Shiraz, with daytime temperatures averaging +14°C;
  • windiest? Tehran, with an average of 1 m/s;
  • coolest? Tehran, with daytime temperatures averaging +8°C;

How good is the weather in Iran in December?

During December, the Iran usually offers good weather overall, with air pressure around 1014 HPa. This means you may encounter some rainy weather too – December brings around 22 mm of rain and winds averaging 1 m/s. Humidity ranges between 59% in Shiraz and 69% in Mashhad. In general, it tends to be more humid near the sea and lake and drier inland.

How warm is it in Iran during December?

The weather is usually pretty good this time of year, with daytime temperatures around +10°C.

This is how hot it usually is in December

The average daily temperatures above don't tell you everything about how hot it can be in Iran. For example, cold nights can make a big difference for those staying in tents or unheated houses. Extra hot days, on the other hand, can make a big difference for those who plan to engage in demanding physical training or competition. So here are some more temperatures for December:
Average
Mashhad
Shiraz
Tehran
  • Average maximum temperature for the month: +10°C;
  • Average minimum temperature for the month: 0°C;
  • Highest monthly temperature: +12°C;
  • Lowest monthly temperature: -2°C;

Monthly temperatures:

Average
Mashhad
Shiraz
Tehran
  • Warmest: July with an average +35°C during the day;
  • Coldest: January with an average +8°C of the day;
  • Hottest month in hottest city: July in Shiraz;
  • Coldest month in coolest city: January in Mashhad;

Winds in Iran during December

Wind speed in Iran in December based on historical data:
Average
Mashhad
Shiraz
Tehran

December tends to offer light winds averaging 1 m/s. However, coastal cities may experience breezes during the mornings and afternoons.

Comparison between cities in December:

  • Highest average wind speed: Tehran with 1 m/s;
  • Lowest average wind speed: Mashhad with 1 m/s;
  • Windiest day of the month: Tehran with 1 m/s;
  • The least windy day of the month: Shiraz with 0 m/s;

Humidity and precipitation in Iran in December

Amount of rainfall in mm during December in Iran based on historical data:
Average
Mashhad
Shiraz
Tehran
December is usually an extra dry month with 44% humidity and 22 mm rain.

Comparison between cities in December:

Average
Mashhad
Shiraz
Tehran
  • Highest average rainfall: Shiraz with 66 mm;
  • Lowest average rainfall: Mashhad with 11 mm;
  • Most number of rainy days: Shiraz with 4 rainy days;
  • Least number of rainy days: Mashhad with 1 rainy days;
  • Highest risk of rain during the day: Shiraz with 13%;
  • Least risk of rain during the day: Mashhad with 3%;
  • Highest average humidity: Mashhad with 69%;
  • Lowest average humidity: Shiraz with 59%;

Snow

Amount of snow in mm. during December in Iran based on historical data:
Average
Mashhad
Shiraz
Tehran
Total snow in December is about 3 mm, with a 1% chance of snow on a typical day.

Comparison between cities in December:

Average
Mashhad
Shiraz
Tehran
  • Highest average snowfall: Tehran with 11 mm;
  • Lowest average snowfall: Shiraz with 2 mm;
  • Most number of snowy days: Tehran with 1 snowy days;
  • Least number of snowy days: Shiraz with 0 snowy days;
  • Highest chance of snow during the day: Tehran with 3%;
  • Least chance of snow during the day: Shiraz with 0%;

Tips for traveling to Iran in December

Looking for some tips for traveling to the sun, snow, or whatever you're aiming for Iran? Activities, weather, and clothing are closely linked. In addition, it's important to pack only what you really need so you don't have to worry about heavy packing or paying extra baggage fees.

Here is some advice on what to pack and what kind of activities you can do in the Iran based on the weather that December is expected to bring. The advice applies to the country as a whole – local weather and possible activities may differ somewhat.

Sunny, mild weather with light winds and medium humidity in December
Avionero

Pack right for December

The weather makes a difference when it comes to packing - especially which items should go in your suitcase. The tips below are designed to help you pack light and right without carrying more than necessary.
  • Sunshine does give you a nice color and a boost of vitamin D. However, if you don't have a lot of skin pigment, you should sunbathe carefully to avoid burning yourself, getting sun rash and, in the worst case scenario, skin cancer. This is where sunscreens and opaque clothing work particularly well. Another safe way is to stay in the shade when the sun burns the most, roughly between 9 am and 3 pm.
  • Cool weather is between warm and cold. This means you can bring long pants and/or a longer skirt and an extra sweater. Be aware that cool days can alternate with cold nights - it may be wise to also pack a hat, gloves and a scarf.
  • Light winds are probably most comfortable in hot weather but is cooling in cool and cold weather. If it is hot (when the air temperature is about 30 degrees), the wind can have a warming effect. A thin, windproof jacket and long trousers help to counteract these effects.
  • Low humidity makes it easier to regulate the temperature closest to your body with the clothes you are wearing. You also won't sweat as much as with higher levels of humidity. However, very low humidity can lead to drier mucous membranes and irritated eyes - you might want to pack something for that.

FAQ

Frequently asked questions about the weather in Iran in December:

What can you do outside when it's warm in Iran?

Bathing and sunbathing can be suitable. Warm (but not hot) days are also good for activities that are not so physically demanding: sightseeing on foot, by boat, on a scooter, camel riding. You can also exercise easily as long as you make sure to cool down and quench thirst.

Is December a good time to visit Iran?

December is a really good time to go to Iran. The weather is nice so plan your packing around outdoor activities and exploring. Check other months when is a good time to visit Iran.

Monthly weather in Iran

Source of the data

For this page, we’ve looked at the typical weather in Iran, based on historical hourly weather data from January 1, 1979, to December 31, 2022.

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.