| Month | High | Low | Rain | Wet days | Score |
|---|---|---|---|---|---|
| January | 26.2° | 12.2° | 4.1mm | 2 | 96 |
| February | 28.9° | 14.5° | 22.1mm | 3 | 86 |
| March | 33.2° | 18° | 37.6mm | 3 | 69 |
| April | 37.3° | 22.3° | 0.8mm | 2 | 55 |
| May | 41.2° | 26.1° | 5.4mm | 3 | 37 |
| June | 43.4° | 28.1° | 0mm | 0 | 40 |
| July | 43.4° | 28.8° | 25.4mm | 7.5 | 25 |
| August | 41.9° | 27.4° | — | — | 34 |
| September | 40.1° | 25.2° | 0mm | 0 | 48 |
| October | 36.5° | 21.5° | 0mm | 0 | 62 |
| November | 31.4° | 18.1° | 0mm | 0 | 82 |
| December | 27.7° | 13.8° | 5.1mm | 1 | 95 |
January in Nizwá averages a daily high of 26.2°C with nights around 12.2°C. Rain is rare — about 2 wet days and 4.1mm across the month. Comfortable conditions for being outdoors all day.
February in Nizwá averages a daily high of 28.9°C with nights around 14.5°C. Expect roughly 3 wet days totalling 22.1mm. Comfortable conditions for being outdoors all day.
March in Nizwá averages a daily high of 33.2°C with nights around 18°C. Expect roughly 3 wet days totalling 37.6mm. Generally workable, with some weather to plan around.
April in Nizwá averages a daily high of 37.3°C with nights around 22.3°C. Rain is rare — about 2 wet days and 0.8mm across the month. Generally workable, with some weather to plan around.
May in Nizwá averages a daily high of 41.2°C with nights around 26.1°C. Expect roughly 3 wet days totalling 5.4mm. Demanding conditions — pack for it and plan indoor options.
June in Nizwá averages a daily high of 43.4°C with nights around 28.1°C. Rain is rare — about 0 wet days and 0mm across the month. Demanding conditions — pack for it and plan indoor options.
July in Nizwá averages a daily high of 43.4°C with nights around 28.8°C. Expect roughly 7.5 wet days totalling 25.4mm. A hard month to visit for comfort alone.
August in Nizwá averages a daily high of 41.9°C with nights around 27.4°C. A hard month to visit for comfort alone.
September in Nizwá averages a daily high of 40.1°C with nights around 25.2°C. Rain is rare — about 0 wet days and 0mm across the month. Demanding conditions — pack for it and plan indoor options.
October in Nizwá averages a daily high of 36.5°C with nights around 21.5°C. Rain is rare — about 0 wet days and 0mm across the month. Generally workable, with some weather to plan around.
November in Nizwá averages a daily high of 31.4°C with nights around 18.1°C. Rain is rare — about 0 wet days and 0mm across the month. Comfortable conditions for being outdoors all day.
December in Nizwá averages a daily high of 27.7°C with nights around 13.8°C. Rain is rare — about 1 wet days and 5.1mm 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. Nizwá peaks at 96.
Based on 30 years of records, December–January scores highest for comfort in Nizwá, balancing daytime temperature against rainfall.
June is the warmest, averaging a daily high of 43.4°C.
March is the wettest, averaging 37.6mm of rain across roughly 3 wet days.
January is the coolest month, with average daily highs around 26.2°C.