| Month | High | Low | Rain | Wet days | Score |
|---|---|---|---|---|---|
| January | 4.2° | — | 33.1mm | 6 | 37 |
| February | 7.2° | -5.1° | 24.1mm | 5.7 | 37 |
| March | 13.5° | — | 38.7mm | 7.1 | 65 |
| April | 18.6° | — | 49.7mm | 8.5 | 79 |
| May | 23.7° | 9.4° | 32.8mm | 8.8 | 82 |
| June | 29.5° | 13° | 12.3mm | 2.5 | 85 |
| July | 32° | 16.5° | 5.2mm | 1.2 | 78 |
| August | 31.8° | 15.9° | 5.2mm | 0.8 | 79 |
| September | 28° | 11.2° | 3.8mm | 1.2 | 94 |
| October | 21° | 4.4° | 21.8mm | 4.4 | 91 |
| November | 12.7° | — | 26.9mm | 5 | 67 |
| December | 5.9° | -1.8° | 24.1mm | 5.3 | 39 |
January in Orūmīyeh averages a daily high of 4.2°C. Expect roughly 6 wet days totalling 33.1mm. Demanding conditions — pack for it and plan indoor options.
February in Orūmīyeh averages a daily high of 7.2°C with nights around -5.1°C. Expect roughly 5.7 wet days totalling 24.1mm. Demanding conditions — pack for it and plan indoor options.
March in Orūmīyeh averages a daily high of 13.5°C. Expect roughly 7.1 wet days totalling 38.7mm. Generally workable, with some weather to plan around.
April in Orūmīyeh averages a daily high of 18.6°C. Expect roughly 8.5 wet days totalling 49.7mm. Comfortable conditions for being outdoors all day.
May in Orūmīyeh averages a daily high of 23.7°C with nights around 9.4°C. Expect roughly 8.8 wet days totalling 32.8mm. Comfortable conditions for being outdoors all day.
June in Orūmīyeh averages a daily high of 29.5°C with nights around 13°C. Rain is rare — about 2.5 wet days and 12.3mm across the month. Comfortable conditions for being outdoors all day.
July in Orūmīyeh averages a daily high of 32°C with nights around 16.5°C. Rain is rare — about 1.2 wet days and 5.2mm across the month. Comfortable conditions for being outdoors all day.
August in Orūmīyeh averages a daily high of 31.8°C with nights around 15.9°C. Rain is rare — about 0.8 wet days and 5.2mm across the month. Comfortable conditions for being outdoors all day.
September in Orūmīyeh averages a daily high of 28°C with nights around 11.2°C. Rain is rare — about 1.2 wet days and 3.8mm across the month. Comfortable conditions for being outdoors all day.
October in Orūmīyeh averages a daily high of 21°C with nights around 4.4°C. Expect roughly 4.4 wet days totalling 21.8mm. Comfortable conditions for being outdoors all day.
November in Orūmīyeh averages a daily high of 12.7°C. Expect roughly 5 wet days totalling 26.9mm. Generally workable, with some weather to plan around.
December in Orūmīyeh averages a daily high of 5.9°C with nights around -1.8°C. Expect roughly 5.3 wet days totalling 24.1mm. Demanding conditions — pack for it and plan indoor options.
Each month scores out of 100. It starts at 100 and loses points for daytime highs outside a 20–27°C band, for wet days, and for nights below 2°C. Nothing else is weighted in — no crowd data, no prices, no opinion. Orūmīyeh peaks at 94.
Based on 30 years of records, September–October scores highest for comfort in Orūmīyeh, balancing daytime temperature against rainfall.
July is the warmest, averaging a daily high of 32°C.
April is the wettest, averaging 49.7mm of rain across roughly 8.5 wet days.
January is the coolest month, with average daily highs around 4.2°C.