| Month | High | Low | Rain | Wet days | Score |
|---|---|---|---|---|---|
| January | 11.1° | -0.7° | 35.9mm | 8.1 | 51 |
| February | 13.1° | -0.6° | 25.6mm | 6 | 62 |
| March | 16.7° | 1.7° | 32.7mm | 6.9 | 75 |
| April | 19.3° | 5° | 52.8mm | 9.3 | 79 |
| May | 24.1° | 8.4° | 42.7mm | 8.2 | 84 |
| June | 30.2° | 12.9° | 23.7mm | 4.6 | 78 |
| July | 34° | 15.6° | 6.9mm | 2 | 68 |
| August | 33.1° | 15.3° | 9.3mm | 1.8 | 72 |
| September | 27.3° | 11.3° | 27.3mm | 4.8 | 89 |
| October | 21.4° | 7° | 61.8mm | 9.2 | 82 |
| November | 14.9° | 2.5° | 44.2mm | 8.6 | 66 |
| December | 11.4° | -0.5° | 41.3mm | 7.6 | 54 |
January in Guadalajara averages a daily high of 11.1°C with nights around -0.7°C. Expect roughly 8.1 wet days totalling 35.9mm. Demanding conditions — pack for it and plan indoor options.
February in Guadalajara averages a daily high of 13.1°C with nights around -0.6°C. Expect roughly 6 wet days totalling 25.6mm. Generally workable, with some weather to plan around.
March in Guadalajara averages a daily high of 16.7°C with nights around 1.7°C. Expect roughly 6.9 wet days totalling 32.7mm. Comfortable conditions for being outdoors all day.
April in Guadalajara averages a daily high of 19.3°C with nights around 5°C. Expect roughly 9.3 wet days totalling 52.8mm. Comfortable conditions for being outdoors all day.
May in Guadalajara averages a daily high of 24.1°C with nights around 8.4°C. Expect roughly 8.2 wet days totalling 42.7mm. Comfortable conditions for being outdoors all day.
June in Guadalajara averages a daily high of 30.2°C with nights around 12.9°C. Expect roughly 4.6 wet days totalling 23.7mm. Comfortable conditions for being outdoors all day.
July in Guadalajara averages a daily high of 34°C with nights around 15.6°C. Rain is rare — about 2 wet days and 6.9mm across the month. Generally workable, with some weather to plan around.
August in Guadalajara averages a daily high of 33.1°C with nights around 15.3°C. Rain is rare — about 1.8 wet days and 9.3mm across the month. Generally workable, with some weather to plan around.
September in Guadalajara averages a daily high of 27.3°C with nights around 11.3°C. Expect roughly 4.8 wet days totalling 27.3mm. Comfortable conditions for being outdoors all day.
October in Guadalajara averages a daily high of 21.4°C with nights around 7°C. Expect roughly 9.2 wet days totalling 61.8mm. Comfortable conditions for being outdoors all day.
November in Guadalajara averages a daily high of 14.9°C with nights around 2.5°C. Expect roughly 8.6 wet days totalling 44.2mm. Generally workable, with some weather to plan around.
December in Guadalajara averages a daily high of 11.4°C with nights around -0.5°C. Expect roughly 7.6 wet days totalling 41.3mm. 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. Guadalajara peaks at 89.
Based on 30 years of records, September–October scores highest for comfort in Guadalajara, balancing daytime temperature against rainfall.
July is the warmest, averaging a daily high of 34°C.
October is the wettest, averaging 61.8mm of rain across roughly 9.2 wet days.
January is the coolest month, with average daily highs around 11.1°C.