Climate averages 1991–2020
Weather in Iran in May
In May, average daytime highs across the 128 cities listed in Iran range from 19.7°C in Ardabīl to 40.5°C in Khorramshahr. Monthly rainfall ranges from under 1 mm in Iranshahr to 105 mm in Ahar.
Long-term climate patterns, not a forecast for a particular trip.
City by city
May in Iran
| City | Average highHigh / low | Average low | Rainfall mm | Rain days |
|---|---|---|---|---|
| Tehran | 26.6°C14.0°C | 14.0°C | 22 | 5.0 |
| Mashhad | 25.9°C12.6°C | 12.6°C | 34 | 7.3 |
| Isfahan | 28.8°C13.5°C | 13.5°C | 7.1 | 1.9 |
| Karaj | 25.6°C11.4°C | 11.4°C | 15 | 3.5 |
| Tabriz | 22.0°C8.6°C | 8.6°C | 54 | 9.2 |
| Shiraz | 30.0°C16.8°C | 16.8°C | 7.6 | 2.2 |
| Qom | 31.0°C17.7°C | 17.7°C | 8.8 | 2.2 |
| Ahvaz | 40.2°C24.7°C | 24.7°C | 5.3 | 0.9 |
| Kermanshah | 24.9°C12.1°C | 12.1°C | 30 | 6.9 |
| Rasht | 22.2°C13.8°C | 13.8°C | 55 | 9.5 |
| Kerman | 29.3°C16.2°C | 16.2°C | 4.5 | 1.2 |
| Orūmīyeh | 21.3°C9.9°C | 9.9°C | 41 | 8.4 |
| Zahedan | 32.5°C19.4°C | 19.4°C | 2.6 | 0.8 |
| Hamadān | 23.8°C11.9°C | 11.9°C | 39 | 9.3 |
| Arāk | 24.3°C10.1°C | 10.1°C | 24 | 6.3 |
| Yazd | 31.0°C18.4°C | 18.4°C | 5.3 | 1.5 |
| Eslamshahr | 28.2°C13.9°C | 13.9°C | 16 | 3.2 |
| Ardabīl | 19.7°C7.9°C | 7.9°C | 60 | 13.3 |
| Zanjan | 21.8°C8.5°C | 8.5°C | 58 | 12.4 |
| Bandar Abbas | 38.6°C26.1°C | 26.1°C | 0.9 | 0.3 |
| Sanandaj | 23.6°C10.9°C | 10.9°C | 29 | 6.9 |
| Qazvin | 24.0°C11.5°C | 11.5°C | 33 | 8.3 |
| Khorramshahr | 40.5°C25.8°C | 25.8°C | 3.9 | 0.7 |
| Khorramabad | 27.1°C13.4°C | 13.4°C | 22 | 4.5 |
| Shahrīār | 26.8°C12.5°C | 12.5°C | 15 | 3.5 |
| Kashan | 29.8°C16.7°C | 16.7°C | 13 | 2.9 |
| Khomeynī Shahr | 29.0°C12.8°C | 12.8°C | 11 | 3.1 |
| Dezful | 37.7°C21.2°C | 21.2°C | 9.4 | 1.6 |
| Marāgheh (East Azerbaijan), Iran | 22.4°C10.0°C | 10.0°C | 42 | 9.8 |
| Marāgheh (Razavi Khorasan), Iran | 23.7°C11.9°C | 11.9°C | 34 | 6.9 |
| Sari | 24.7°C14.5°C | 14.5°C | 49 | 8.5 |
| Borūjerd | 24.3°C12.9°C | 12.9°C | 37 | 8.3 |
| Qarchak | 29.6°C15.3°C | 15.3°C | 13 | 2.7 |
| Sabzevar | 29.7°C15.5°C | 15.5°C | 17 | 4.0 |
| Golestān | 28.9°C14.2°C | 14.2°C | 16 | 3.2 |
| Āmol | 21.8°C14.5°C | 14.5°C | 80 | 12.5 |
| Pākdasht | 28.8°C15.5°C | 15.5°C | 13 | 2.5 |
| Najafābād | 28.7°C12.2°C | 12.2°C | 14 | 4.0 |
| Abadan | 40.2°C25.7°C | 25.7°C | 3.1 | 0.4 |
| Varāmīn | 30.6°C16.0°C | 16.0°C | 8.5 | 1.9 |
| Neyshābūr | 27.0°C12.2°C | 12.2°C | 36 | 8.0 |
| Sāveh | 29.9°C15.4°C | 15.4°C | 13 | 3.2 |
| Naz̧arābād | 25.2°C13.1°C | 13.1°C | 24 | 5.3 |
| Qā’em Shahr | 24.3°C14.4°C | 14.4°C | 42 | 8.4 |
| Bābol | 24.2°C15.4°C | 15.4°C | 42 | 8.4 |
| Sirjan | 29.1°C14.5°C | 14.5°C | 3.3 | 1.0 |
| Khūy | 23.5°C9.2°C | 9.2°C | 53 | 11.3 |
| Bīrjand | 29.7°C14.7°C | 14.7°C | 5.7 | 1.7 |
| Būkān | 24.1°C10.4°C | 10.4°C | 31 | 8.3 |
| Bojnūrd | 24.0°C10.6°C | 10.6°C | 40 | 8.2 |
| Shāhīn Shahr | 28.1°C12.8°C | 12.8°C | 11 | 3.1 |
| Malāyer | 23.2°C10.5°C | 10.5°C | 26 | 6.5 |
| Piranshahr | 21.5°C11.4°C | 11.4°C | 62 | 12.9 |
| Mahābād | 23.8°C10.5°C | 10.5°C | 34 | 8.0 |
| Bushehr | 32.0°C25.3°C | 25.3°C | 2.3 | 0.1 |
| Saqqez | 22.6°C9.3°C | 9.3°C | 33 | 7.9 |
| Shahrud | 25.0°C12.8°C | 12.8°C | 53 | 13.9 |
| Bandar-e Māhshahr | 40.1°C25.0°C | 25.0°C | 4.0 | 0.5 |
| Gonbad-e Kāvūs | 27.6°C15.0°C | 15.0°C | 34 | 5.6 |
| Marvdasht | 29.0°C11.8°C | 11.8°C | 3.4 | 0.7 |
| Rafsanjān | 31.0°C16.1°C | 16.1°C | 2.3 | 0.7 |
| Kamālshahr | 25.3°C12.5°C | 12.5°C | 17 | 4.0 |
| Jahrom | 35.2°C21.8°C | 21.8°C | 0.9 | 0.3 |
| Īlām | 25.7°C12.7°C | 12.7°C | 21 | 4.9 |
| Torbat-e Ḩeydarīyeh | 27.1°C13.4°C | 13.4°C | 9.4 | 2.1 |
| Marīvān | 23.5°C10.0°C | 10.0°C | 30 | 6.0 |
| Andīmeshk | 37.1°C21.0°C | 21.0°C | 9.8 | 1.4 |
| Shahreẕā | 26.9°C12.1°C | 12.1°C | 8.3 | 2.6 |
| Mīāndoāb | 24.6°C9.5°C | 9.5°C | 29 | 7.8 |
| Kāshmar | 29.5°C15.9°C | 15.9°C | 6.5 | 1.5 |
| Iranshahr | 39.4°C23.5°C | 23.5°C | 0.3 | 0.1 |
| Jīroft | 36.3°C21.7°C | 21.7°C | 1.2 | 0.2 |
| Shahr-e Kord | 23.1°C8.3°C | 8.3°C | 13 | 3.8 |
| Semnan | 27.7°C15.2°C | 15.2°C | 4.8 | 1.3 |
| Behbahān | 37.8°C20.8°C | 20.8°C | 5.9 | 0.8 |
| Shahr-e Ṣadrā | 26.8°C11.4°C | 11.4°C | 4.5 | 1.1 |
| Zābol | 37.8°C23.1°C | 23.1°C | 0.5 | 0.1 |
| Dorūd | 25.2°C13.9°C | 13.9°C | 24 | 5.2 |
| Moḩammad Shahr | 26.0°C11.5°C | 11.5°C | 15 | 3.5 |
| Īz̄eh | 31.1°C16.5°C | 16.5°C | 8.4 | 1.6 |
| Bandar-e Anzalī | 19.8°C17.0°C | 17.0°C | 29 | 6.1 |
| Shahre Jadide Andisheh | 26.6°C12.2°C | 12.2°C | 15 | 3.5 |
| Pardīs | 21.3°C11.2°C | 11.2°C | 24 | 5.1 |
| Kāzerūn | 33.7°C18.8°C | 18.8°C | 2.4 | 0.5 |
| Qūchān | 22.4°C10.0°C | 10.0°C | 52 | 10.1 |
| Borāzjān | 39.5°C23.9°C | 23.9°C | 1.8 | 0.5 |
| Bāneh | 22.1°C9.7°C | 9.7°C | 43 | 8.1 |
| Chālūs | 20.9°C16.7°C | 16.7°C | 48 | 10.0 |
| Bahārestān | 29.2°C13.2°C | 13.2°C | 7.6 | 2.4 |
| Mīāneh | 25.5°C11.6°C | 11.6°C | 35 | 8.3 |
| Robāţ Karīm | 29.0°C14.3°C | 14.3°C | 17 | 3.9 |
| Pārsābād | 26.5°C14.9°C | 14.9°C | 32 | 6.8 |
| Shūshtar | 38.9°C22.1°C | 22.1°C | 5.3 | 1.1 |
| Lāhījān | 23.1°C14.3°C | 14.3°C | 50 | 8.6 |
| Ahar | 20.4°C9.1°C | 9.1°C | 105 | 19.9 |
| Masjed Soleymān | 37.5°C21.2°C | 21.2°C | 6.7 | 1.1 |
| Shahrak-e Pardīsān | 30.3°C16.9°C | 16.9°C | 9.5 | 2.6 |
| Bam | 35.1°C22.0°C | 22.0°C | 4.4 | 1.4 |
| Fasā | 32.3°C17.7°C | 17.7°C | 3.0 | 0.8 |
| Mīnāb | 39.8°C25.9°C | 25.9°C | 0.5 | 0.1 |
| Parand | 28.7°C14.0°C | 14.0°C | 17 | 3.9 |
| Yasuj | 25.3°C10.6°C | 10.6°C | 17 | 3.6 |
| Dogonbadan | 35.0°C18.5°C | 18.5°C | 4.7 | 0.9 |
| Behshahr | 25.1°C16.6°C | 16.6°C | 33 | 5.8 |
| Eslāmābād-e Gharb | 24.9°C12.4°C | 12.4°C | 25 | 6.1 |
| Moḩammadīyeh | 24.2°C10.9°C | 10.9°C | 19 | 4.9 |
| Alvand | 24.8°C11.1°C | 11.1°C | 33 | 8.3 |
| Alīgūdarz | 21.6°C7.4°C | 7.4°C | 16 | 4.2 |
| Kūhdasht | 27.0°C12.0°C | 12.0°C | 22 | 4.9 |
| Fūlād Shahr | 28.4°C11.8°C | 11.8°C | 8.6 | 2.4 |
| Qorveh | 21.9°C7.8°C | 7.8°C | 23 | 6.1 |
| Tajrīsh | 22.9°C12.5°C | 12.5°C | 22 | 5.0 |
| Bonāb | 23.9°C10.3°C | 10.3°C | 21 | 5.9 |
| Mehestan | 23.1°C11.8°C | 11.8°C | 19 | 4.7 |
| Bāghestān | 27.7°C13.2°C | 13.2°C | 18 | 3.9 |
| Shīrvān | 23.1°C11.6°C | 11.6°C | 23 | 5.3 |
| Sahand | 21.1°C7.4°C | 7.4°C | 28 | 6.7 |
| Salmās | 21.6°C7.8°C | 7.8°C | 81 | 16.1 |
| Naqadeh | 22.6°C10.0°C | 10.0°C | 26 | 6.1 |
| Būmahen | 22.2°C12.6°C | 12.6°C | 24 | 5.1 |
| Bandar-e Emam Khomeyni | 36.5°C26.4°C | 26.4°C | 3.2 | 0.4 |
| Khomeyn | 25.2°C10.9°C | 10.9°C | 20 | 5.6 |
| Shūsh | 38.7°C23.0°C | 23.0°C | 9.4 | 1.3 |
| Nahāvand | 23.2°C11.7°C | 11.7°C | 31 | 7.2 |
| Rāmhormoz | 38.3°C22.8°C | 22.8°C | 3.2 | 0.6 |
| Meshgīn Shahr | 20.1°C8.7°C | 8.7°C | 97 | 17.3 |
| Tākestān | 25.8°C10.8°C | 10.8°C | 22 | 5.8 |
| Dārāb | 34.3°C19.4°C | 19.4°C | 1.0 | 0.3 |
A rain day is a local calendar day with at least 1 mm of precipitation.