| Month | High | Low | Rain | Wet days | Score |
|---|---|---|---|---|---|
| January | 29.3° | 18.4° | 15.5mm | 1 | 89 |
| February | 30.2° | 18.8° | 11.3mm | 0.3 | 87 |
| March | 32.1° | 19° | 6.5mm | 0.3 | 79 |
| April | 35° | 21.8° | 0mm | 0 | 68 |
| May | 37.7° | 24.4° | 0mm | 0 | 57 |
| June | 38.8° | 25.4° | 0mm | 0 | 53 |
| July | 39.8° | 27.1° | 0mm | 0 | 49 |
| August | 39.1° | 28.2° | 2.5mm | 0.3 | 51 |
| September | 37.9° | 26.3° | 0mm | 0 | 56 |
| October | 36.9° | 24.6° | 6.5mm | 0.5 | 59 |
| November | 33.7° | 22.3° | 79.8mm | 4 | 65 |
| December | 31.1° | 20.2° | 6.8mm | 0.5 | 83 |
January in Jeddah averages a daily high of 29.3°C with nights around 18.4°C. Rain is rare — about 1 wet days and 15.5mm across the month. Comfortable conditions for being outdoors all day.
February in Jeddah averages a daily high of 30.2°C with nights around 18.8°C. Rain is rare — about 0.3 wet days and 11.3mm across the month. Comfortable conditions for being outdoors all day.
March in Jeddah averages a daily high of 32.1°C with nights around 19°C. Rain is rare — about 0.3 wet days and 6.5mm across the month. Comfortable conditions for being outdoors all day.
April in Jeddah averages a daily high of 35°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.
May in Jeddah averages a daily high of 37.7°C with nights around 24.4°C. Rain is rare — about 0 wet days and 0mm across the month. Generally workable, with some weather to plan around.
June in Jeddah averages a daily high of 38.8°C with nights around 25.4°C. Rain is rare — about 0 wet days and 0mm across the month. Demanding conditions — pack for it and plan indoor options.
July in Jeddah averages a daily high of 39.8°C with nights around 27.1°C. Rain is rare — about 0 wet days and 0mm across the month. Demanding conditions — pack for it and plan indoor options.
August in Jeddah averages a daily high of 39.1°C with nights around 28.2°C. Rain is rare — about 0.3 wet days and 2.5mm across the month. Demanding conditions — pack for it and plan indoor options.
September in Jeddah averages a daily high of 37.9°C with nights around 26.3°C. Rain is rare — about 0 wet days and 0mm across the month. Generally workable, with some weather to plan around.
October in Jeddah averages a daily high of 36.9°C with nights around 24.6°C. Rain is rare — about 0.5 wet days and 6.5mm across the month. Generally workable, with some weather to plan around.
November in Jeddah averages a daily high of 33.7°C with nights around 22.3°C. Expect roughly 4 wet days totalling 79.8mm. Generally workable, with some weather to plan around.
December in Jeddah averages a daily high of 31.1°C with nights around 20.2°C. Rain is rare — about 0.5 wet days and 6.8mm 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. Jeddah peaks at 89.
Based on 30 years of records, December–February scores highest for comfort in Jeddah, balancing daytime temperature against rainfall.
July is the warmest, averaging a daily high of 39.8°C.
November is the wettest, averaging 79.8mm of rain across roughly 4 wet days.
January is the coolest month, with average daily highs around 29.3°C.