| Month | High | Low | Rain | Wet days | Score |
|---|---|---|---|---|---|
| January | 10.8° | 0.3° | 129.9mm | 10.5 | 47 |
| February | 13.4° | 2.2° | 128.3mm | 11.5 | 56 |
| March | 18.3° | 6° | 135.8mm | 11.2 | 72 |
| April | 23.1° | 10.2° | 121.8mm | 10.3 | 79 |
| May | 27.6° | 15.5° | 113.7mm | 10 | 78 |
| June | 31.4° | 19.8° | 94.2mm | 10.1 | 62 |
| July | 32.4° | 21.5° | 121.2mm | 11.1 | 56 |
| August | 32.4° | 20.8° | 88.5mm | 9.4 | 60 |
| September | 29.7° | 17.2° | 87.7mm | 6.9 | 75 |
| October | 24.1° | 10.7° | 85.8mm | 7.2 | 86 |
| November | 17.4° | 4.9° | 103.2mm | 8.8 | 74 |
| December | 12.6° | 2° | 144.6mm | 10.9 | 55 |
January in Huntsville averages a daily high of 10.8°C with nights around 0.3°C. Expect roughly 10.5 wet days totalling 129.9mm. Demanding conditions — pack for it and plan indoor options.
February in Huntsville averages a daily high of 13.4°C with nights around 2.2°C. Expect roughly 11.5 wet days totalling 128.3mm. Generally workable, with some weather to plan around.
March in Huntsville averages a daily high of 18.3°C with nights around 6°C. Expect roughly 11.2 wet days totalling 135.8mm. Generally workable, with some weather to plan around.
April in Huntsville averages a daily high of 23.1°C with nights around 10.2°C. Expect roughly 10.3 wet days totalling 121.8mm. Comfortable conditions for being outdoors all day.
May in Huntsville averages a daily high of 27.6°C with nights around 15.5°C. Expect roughly 10 wet days totalling 113.7mm. Comfortable conditions for being outdoors all day.
June in Huntsville averages a daily high of 31.4°C with nights around 19.8°C. Expect roughly 10.1 wet days totalling 94.2mm. Generally workable, with some weather to plan around.
July in Huntsville averages a daily high of 32.4°C with nights around 21.5°C. Expect roughly 11.1 wet days totalling 121.2mm. Generally workable, with some weather to plan around.
August in Huntsville averages a daily high of 32.4°C with nights around 20.8°C. Expect roughly 9.4 wet days totalling 88.5mm. Generally workable, with some weather to plan around.
September in Huntsville averages a daily high of 29.7°C with nights around 17.2°C. Expect roughly 6.9 wet days totalling 87.7mm. Comfortable conditions for being outdoors all day.
October in Huntsville averages a daily high of 24.1°C with nights around 10.7°C. Expect roughly 7.2 wet days totalling 85.8mm. Comfortable conditions for being outdoors all day.
November in Huntsville averages a daily high of 17.4°C with nights around 4.9°C. Expect roughly 8.8 wet days totalling 103.2mm. Generally workable, with some weather to plan around.
December in Huntsville averages a daily high of 12.6°C with nights around 2°C. Expect roughly 10.9 wet days totalling 144.6mm. Generally workable, with some weather to plan around.
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. Huntsville peaks at 86.
Based on 30 years of records, April–May scores highest for comfort in Huntsville, balancing daytime temperature against rainfall.
July is the warmest, averaging a daily high of 32.4°C.
December is the wettest, averaging 144.6mm of rain across roughly 10.9 wet days.
January is the coolest month, with average daily highs around 10.8°C.