| Month | High | Low | Rain | Wet days | Score |
|---|---|---|---|---|---|
| January | 25.1° | — | 23.6mm | 3 | 94 |
| February | 26.8° | 13.4° | 10.8mm | 1 | 98 |
| March | 30° | 16.1° | 4.6mm | 1 | 86 |
| April | 34.8° | 20.7° | 27.2mm | 1.8 | 65 |
| May | 39.7° | 25.5° | 2.4mm | 0.3 | 49 |
| June | 42.2° | 26.5° | 0mm | 0 | 40 |
| July | 43.1° | 28.8° | 1mm | 0.2 | 40 |
| August | 43° | 29.8° | 0mm | 0 | 40 |
| September | 40.8° | 27° | 0mm | 0 | 45 |
| October | 37.2° | 22.5° | 2.1mm | 0.4 | 58 |
| November | 31.7° | 19.8° | 11mm | 1.3 | 79 |
| December | 26.8° | 14.3° | 11mm | 2.5 | 95 |
January in Ar Rumaylah averages a daily high of 25.1°C. Expect roughly 3 wet days totalling 23.6mm. Comfortable conditions for being outdoors all day.
February in Ar Rumaylah averages a daily high of 26.8°C with nights around 13.4°C. Rain is rare — about 1 wet days and 10.8mm across the month. Comfortable conditions for being outdoors all day.
March in Ar Rumaylah averages a daily high of 30°C with nights around 16.1°C. Rain is rare — about 1 wet days and 4.6mm across the month. Comfortable conditions for being outdoors all day.
April in Ar Rumaylah averages a daily high of 34.8°C with nights around 20.7°C. Rain is rare — about 1.8 wet days and 27.2mm across the month. Generally workable, with some weather to plan around.
May in Ar Rumaylah averages a daily high of 39.7°C with nights around 25.5°C. Rain is rare — about 0.3 wet days and 2.4mm across the month. Demanding conditions — pack for it and plan indoor options.
June in Ar Rumaylah averages a daily high of 42.2°C with nights around 26.5°C. Rain is rare — about 0 wet days and 0mm across the month. Demanding conditions — pack for it and plan indoor options.
July in Ar Rumaylah averages a daily high of 43.1°C with nights around 28.8°C. Rain is rare — about 0.2 wet days and 1mm across the month. Demanding conditions — pack for it and plan indoor options.
August in Ar Rumaylah averages a daily high of 43°C with nights around 29.8°C. Rain is rare — about 0 wet days and 0mm across the month. Demanding conditions — pack for it and plan indoor options.
September in Ar Rumaylah averages a daily high of 40.8°C with nights around 27°C. Rain is rare — about 0 wet days and 0mm across the month. Demanding conditions — pack for it and plan indoor options.
October in Ar Rumaylah averages a daily high of 37.2°C with nights around 22.5°C. Rain is rare — about 0.4 wet days and 2.1mm across the month. Generally workable, with some weather to plan around.
November in Ar Rumaylah averages a daily high of 31.7°C with nights around 19.8°C. Rain is rare — about 1.3 wet days and 11mm across the month. Comfortable conditions for being outdoors all day.
December in Ar Rumaylah averages a daily high of 26.8°C with nights around 14.3°C. Rain is rare — about 2.5 wet days and 11mm across the month. Comfortable conditions for being outdoors all day.
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. Ar Rumaylah peaks at 98.
Based on 30 years of records, December–February scores highest for comfort in Ar Rumaylah, balancing daytime temperature against rainfall.
July is the warmest, averaging a daily high of 43.1°C.
April is the wettest, averaging 27.2mm of rain across roughly 1.8 wet days.
January is the coolest month, with average daily highs around 25.1°C.