Month by month
| Month | Afternoon | Sea | Rain | Verdict |
|---|---|---|---|---|
| January | 9.2 °C | — | 7 days | Unfavourable season |
| February | 11.3 °C | — | 8 days | Unfavourable season |
| March | 16.8 °C | — | 9 days | Possible, with trade-offs |
| April | 22.8 °C | — | 7 days | Pleasant — a good time to go |
| May | 29.2 °C | — | 4 days | Ideal — one of the best times of year |
| June | 35.6 °C | — | 0 day | Possible, with trade-offs |
| July | 37.7 °C | — | 0 day | Possible, with trade-offs |
| August | 36.1 °C | — | 0 day | Possible, with trade-offs |
| September | 32.1 °C | — | 1 day | Ideal — one of the best times of year |
| October | 24.4 °C | — | 4 days | Ideal — one of the best times of year |
| November | 15.5 °C | — | 7 days | Possible, with trade-offs |
| December | 10.5 °C | — | 6 days | Unfavourable season |
Nearby in March
Before you go
Three things to check once you have picked your dates.
Entry
Visa required before departure. Passport valid for at least 6 months. FCDO advises against all travel. Visa only via an organised tour or an Iranian sponsor; Israeli stamps may mean refusal; passport valid 6 months at application.
For a British passport, per the UK Foreign Office on 13 August 2026. Rules change: check before booking.
Safety
Travel advised against
Authorities advise against travelling there.
Official advice updated 13 August 2026
Health
Vaccines · typhoid recommended for most travellers; hepatitis A and hepatitis B if you are not already vaccinated; rabies depending on activities and areas visited. Routine vaccines up to date (measles in particular).
Yellow fever · No yellow fever locally, vaccine not recommended. Certificate required only if you arrive from a country with yellow fever risk.
Malaria · Present. Areas: Previously, March–November in rural areas of Fars Province, Sistan-Baluchestan Province, and southern, tropical parts of Hormozgan and Kerman Provinces Recent outbreaks in Sistan-Baluchestan Province near the border with Pakistan. Preventive medication recommended: Sistan-Baluchestan Province along the border with Pakistan: Atovaquone-proguanil, doxycycline, mefloquine, tafenoquine All other areas with previous transmission: No chemoprophylaxis recommended (insect bite precautions and mosquito avoidance only) — prescribed before departure.
Mosquitoes · dengue reported: protect yourself from bites.
Per the CDC (page reviewed 25 August 2026); see a travel clinic a few weeks before departure.
Beau Fixe is not a safety or health authority. These notes summarise dated public texts and link to their source: France Diplomatie (Licence Ouverte 2.0), Foreign, Commonwealth & Development Office (gov.uk, Open Government Licence v3.0), Centers for Disease Control and Prevention (Source: CDC). Only the competent authorities are authoritative.
FAQ
Can you swim in Tehran in March?
Tehran is not a seaside destination (no sea data).
How hot is Tehran in March?
Expect 16.8°C in the afternoon and 5.5°C at night, averaged over the last 10 years.
Does it rain a lot in Tehran in March?
Around 9 days with rain (≥ 1 mm) in the month — 29% of days.