The month in detail
What to expect in January
Winter in Tehran is cool (9°C during the day). Days are short (5.1h of sunshine) but the city reveals a different side. Rain risk remains low (15% of days), leaving good room for outdoor activities.
January ranks 11 out of 12 months in Tehran. Compared to December: −2°C daytime.
This month's conditions
What it's like in January
UV index
3 · moderate
protect during midday hours
Feels like
dry air
-7°
Daylight
9.8h of daylight
Air quality
poor
AQI 81
Compare
Is January the right month?
The best month in Tehran is May (8.9/10), 4.7 pts higher than January.
Book
Plan your trip
Hotels at their lowest outside peak season, highest on comfortable months. Shoulder seasons offer a good price/climate compromise.
Stay
Hotels & rentals · Tehran
Expedia →
Activities
Tours, tickets, experiences
See ↓
Flights
Multi-airline comparator
Kiwi →
🎟️ Activities & tours · Tehran
GetYourGuide selection · free cancellation
Practical info
What you need to know before you go
Three angles: the country (language, currency, safety, budget), the year-round climate, and the specifics of a city break.
Country · Iran
🗣️LanguagePersan
💶CurrencyRial iranien (﷼)
🚗DrivingRight-hand
🛡️Safety ⓘAt risk · 4/5
💰Cost of living ⓘVery cheap · 1/5
🌡️ Climate
🌍Climate typeTemperate
📈Climate trend ⓘStable
🔥Hottest monthJuly · 38°C
❄️Coolest monthJanuary · 9°C
🌧️Rainiest month ⓘFebruary · 19%
🏛️ City break
📅Tourist peak seasonJune → August
☔Indoor sights ⓘYear-round
🚇Public transportGood
Explore
Other destinations in January
If January doesn't convince you for this destination, compare with others.
Location
Where is Tehran ?
Global position + regional geographic context.
🌍 World
🔍 Geographic context
IranTemperate climate with a 8.9 → 3.6 gap between best and worst month. 10 years of ERA5 data to choose by project.
35.69°N · 51.39°E
Questions
Frequently asked questions
What is the best time to visit Tehran?
September is the best month with 32.0°C highs, 21.0°C lows, 10.3h of sunshine and 1.0% rainy days. The months of September & May offer comparable conditions.
How many hours of sunshine does Tehran get in September?
Tehran averages 10.3 sunshine hours per day in September. It is the sunniest month with a climate score of 8.6/10.
What is the rainiest month in Tehran?
July is the most unfavourable month with July has the lowest climate score of the year and the lowest climate score of the year.
What are the temperatures at night in Tehran in September?
In September, overnight lows reach 21.0°C, while afternoon highs average 32.0°C.
Is Tehran good in winter?
In winter (December-February), Tehran scores 4.1/10 on average — Difficult period — prefer the peak season.. The best month overall remains September with a score of 8.6/10.
When should you avoid Tehran?
July is the most difficult month to visit Tehran, with July has the lowest climate score of the year. Climate conditions are at their lowest of the year during this period.
Do you need sun protection in Tehran in January?
The average UV index reaches 3 in January in Tehran (moderate), with about 9.8h of daylight. Protect during midday hours.