in Iran: when to go?
aride à semi-aride climate
L'Iran offre un climat continental aride aux quatre saisons bien marquées, idéal pour découvrir ses trésors architecturaux et ses paysages désertiques. Le printemps (avril-mai) et l'automne (octobre-novembre) constituent les périodes parfaites pour visiter le pays, avec des températures douces et un ciel généralement dégagé. L'hiver peut être rigoureux, notamment à Téhéran et dans les régions montagneuses, mais reste supportable dans le sud. L'été devient torride avec des pics dépassant 40°C dans les zones désertiques, rendant les visites éprouvantes malgré la faible humidité. Les précipitations restent modestes toute l'année, concentrées principalement en hiver et au début du printemps. Pour profiter pleinement des sites de Persépolis, d'Ispahan ou des bazars de Téhéran, privilégiez absolument les saisons intermédiaires qui offrent un parfait équilibre entre confort climatique et conditions d'observation optimales.
- Best period
- April to May, October to November
- Good alternatives
- December to March, June, September
- Scorching summer
- July to August
Year-round overview
Select a month to plan your trip
Climate in numbers
Monthly temperatures and precipitation
Temperature (°C)
Precipitation (mm)
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Climate zones
Climate varies by region. Discover the unique characteristics of each zone.
Month by month
Find detailed climate information for each month of the year.
Temperature
2° — 12°C
Precipitation
35 mm
Average temperature
7°C
Rating
Moyen
By climate zone
Températures fraîches nécessitant vêtements chauds. Neige possible dans le nord.
Temperature
4° — 15°C
Precipitation
30 mm
Average temperature
9.5°C
Rating
Correct
By climate zone
Amélioration graduelle des conditions. Journées plus longues mais fraîches.
Temperature
8° — 20°C
Precipitation
25 mm
Average temperature
14°C
Rating
Bon
By climate zone
Températures agréables en journée. Idéal pour commencer les visites culturelles.
Temperature
13° — 26°C
Precipitation
20 mm
Average temperature
19.5°C
Rating
Idéal
By climate zone
Conditions parfaites pour tous types de visites. Ciel dégagé et températures idéales.
Temperature
18° — 32°C
Precipitation
15 mm
Average temperature
25°C
Rating
Idéal
By climate zone
Excellente période avant les grosses chaleurs. Protection solaire recommandée.
Temperature
23° — 38°C
Precipitation
5 mm
Average temperature
30.5°C
Rating
Correct
By climate zone
Chaleur importante mais supportable. Visites matinales recommandées.
Temperature
26° — 42°C
Precipitation
2 mm
Average temperature
34°C
Rating
Déconseillé
By climate zone
Chaleur extrême rendant les visites difficiles. Évitez les activités extérieures.
Temperature
25° — 41°C
Precipitation
3 mm
Average temperature
33°C
Rating
Déconseillé
By climate zone
Températures toujours très élevées. Période la moins favorable pour voyager.
Temperature
20° — 35°C
Precipitation
5 mm
Average temperature
27.5°C
Rating
Correct
By climate zone
Amélioration progressive mais encore chaud. Fin de mois plus agréable.
Temperature
15° — 28°C
Precipitation
10 mm
Average temperature
21.5°C
Rating
Idéal
By climate zone
Retour des conditions idéales. Parfait pour visiter sites et monuments.
Temperature
9° — 20°C
Precipitation
15 mm
Average temperature
14.5°C
Rating
Bon
By climate zone
Dernière belle période avant l'hiver. Emportez vêtements de mi-saison.
Temperature
4° — 14°C
Precipitation
25 mm
Average temperature
9°C
Rating
Moyen
By climate zone
Températures fraîches nécessitant vêtements chauds. Journées courtes.
Frequently asked questions
Everything about the climate and the best time to visit in Iran
The best months to visit in Iran are April, May, October, November. This period offers favourable weather and ideal conditions for exploring the country at its best.
The arid climate of Iran alternates between very hot summers (months to avoid for comfort: July, August) and mild to cool winters. The average annual temperature is 18.5°C. Desert nights can be surprisingly cool, even in summer.
The best time to explore the desert spans April, May, October, November. Comfortable daytime temperatures, starlit nights, and dunes accessible without extreme heat. Avoid the peak summer heat (July, August).
Yes, but with precautions: early morning and late afternoon activities, constant hydration, air-conditioned accommodations. Coastal cities remain pleasant. Treks and desert expeditions are best avoided.
Yes, especially in winter and for nights in the desert. The temperature difference between day and night can exceed 20°C. A warm jacket and sweater are essential outside the summer season.
If your travel dates don't match the ideal season in in Iran, the Nomadays network brings together more than 100 local agencies worldwide. Get in touch to find out which destination would be ideal for your dates.
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