| Month | High | Low | Rain | Wet days | Score |
|---|---|---|---|---|---|
| January | 18.1° | 4.8° | — | — | 88 |
| February | 20.6° | 6° | 0mm | 0 | 100 |
| March | 24.5° | 9.5° | 0mm | 0 | 100 |
| April | 29.6° | 15° | 0mm | 0 | 90 |
| May | 35.1° | 19.5° | 0mm | 0 | 68 |
| June | 38.9° | 22.9° | 0mm | 0 | 52 |
| July | 39.9° | 23.8° | 0mm | 0 | 48 |
| August | 40.5° | 24.5° | 0mm | 0 | 46 |
| September | 38° | 21.8° | 0mm | 0 | 56 |
| October | 32.7° | 16° | 0mm | 0 | 77 |
| November | 24° | 10° | 0mm | 0 | 100 |
| December | 19.7° | 6.4° | 0mm | 0 | 99 |
January in Ha'il averages a daily high of 18.1°C with nights around 4.8°C. Comfortable conditions for being outdoors all day.
February in Ha'il averages a daily high of 20.6°C with nights around 6°C. Rain is rare — about 0 wet days and 0mm across the month. Comfortable conditions for being outdoors all day.
March in Ha'il averages a daily high of 24.5°C with nights around 9.5°C. Rain is rare — about 0 wet days and 0mm across the month. Comfortable conditions for being outdoors all day.
April in Ha'il averages a daily high of 29.6°C with nights around 15°C. Rain is rare — about 0 wet days and 0mm across the month. Comfortable conditions for being outdoors all day.
May in Ha'il averages a daily high of 35.1°C with nights around 19.5°C. Rain is rare — about 0 wet days and 0mm across the month. Generally workable, with some weather to plan around.
June in Ha'il averages a daily high of 38.9°C with nights around 22.9°C. Rain is rare — about 0 wet days and 0mm across the month. Demanding conditions — pack for it and plan indoor options.
July in Ha'il averages a daily high of 39.9°C with nights around 23.8°C. Rain is rare — about 0 wet days and 0mm across the month. Demanding conditions — pack for it and plan indoor options.
August in Ha'il averages a daily high of 40.5°C with nights around 24.5°C. Rain is rare — about 0 wet days and 0mm across the month. Demanding conditions — pack for it and plan indoor options.
September in Ha'il averages a daily high of 38°C with nights around 21.8°C. Rain is rare — about 0 wet days and 0mm across the month. Generally workable, with some weather to plan around.
October in Ha'il averages a daily high of 32.7°C with nights around 16°C. Rain is rare — about 0 wet days and 0mm across the month. Comfortable conditions for being outdoors all day.
November in Ha'il averages a daily high of 24°C with nights around 10°C. Rain is rare — about 0 wet days and 0mm across the month. Comfortable conditions for being outdoors all day.
December in Ha'il averages a daily high of 19.7°C with nights around 6.4°C. Rain is rare — about 0 wet days and 0mm 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. Ha'il peaks at 100.
Based on 30 years of records, February–March scores highest for comfort in Ha'il, balancing daytime temperature against rainfall.
August is the warmest, averaging a daily high of 40.5°C.
February is the wettest, averaging 0mm of rain across roughly 0 wet days.
January is the coolest month, with average daily highs around 18.1°C.