| Month | High | Low | Rain | Wet days | Score |
|---|---|---|---|---|---|
| January | 12.7° | 1.5° | 131.2mm | 10.6 | 55 |
| February | 15.3° | 3.5° | 128.8mm | 10.8 | 63 |
| March | 19.8° | 7.3° | 151.7mm | 11.1 | 77 |
| April | 23.9° | 11° | 134.7mm | 9.2 | 82 |
| May | 28° | 16.2° | 123.3mm | 9.6 | 77 |
| June | 31.3° | 20.3° | 122.8mm | 11 | 61 |
| July | 32.8° | 22.2° | 145.5mm | 11.9 | 53 |
| August | 32.6° | 21.8° | 110.5mm | 10.6 | 56 |
| September | 30° | 18.5° | 95.8mm | 6.9 | 74 |
| October | 24.7° | 12.1° | 86.3mm | 6.8 | 86 |
| November | 18.6° | 6.2° | 102.6mm | 8.5 | 79 |
| December | 14.1° | 3.3° | 125.3mm | 10.1 | 61 |
January in Birmingham averages a daily high of 12.7°C with nights around 1.5°C. Expect roughly 10.6 wet days totalling 131.2mm. Generally workable, with some weather to plan around.
February in Birmingham averages a daily high of 15.3°C with nights around 3.5°C. Expect roughly 10.8 wet days totalling 128.8mm. Generally workable, with some weather to plan around.
March in Birmingham averages a daily high of 19.8°C with nights around 7.3°C. Expect roughly 11.1 wet days totalling 151.7mm. Comfortable conditions for being outdoors all day.
April in Birmingham averages a daily high of 23.9°C with nights around 11°C. Expect roughly 9.2 wet days totalling 134.7mm. Comfortable conditions for being outdoors all day.
May in Birmingham averages a daily high of 28°C with nights around 16.2°C. Expect roughly 9.6 wet days totalling 123.3mm. Comfortable conditions for being outdoors all day.
June in Birmingham averages a daily high of 31.3°C with nights around 20.3°C. Expect roughly 11 wet days totalling 122.8mm. Generally workable, with some weather to plan around.
July in Birmingham averages a daily high of 32.8°C with nights around 22.2°C. Expect roughly 11.9 wet days totalling 145.5mm. Demanding conditions — pack for it and plan indoor options.
August in Birmingham averages a daily high of 32.6°C with nights around 21.8°C. Expect roughly 10.6 wet days totalling 110.5mm. Generally workable, with some weather to plan around.
September in Birmingham averages a daily high of 30°C with nights around 18.5°C. Expect roughly 6.9 wet days totalling 95.8mm. Generally workable, with some weather to plan around.
October in Birmingham averages a daily high of 24.7°C with nights around 12.1°C. Expect roughly 6.8 wet days totalling 86.3mm. Comfortable conditions for being outdoors all day.
November in Birmingham averages a daily high of 18.6°C with nights around 6.2°C. Expect roughly 8.5 wet days totalling 102.6mm. Comfortable conditions for being outdoors all day.
December in Birmingham averages a daily high of 14.1°C with nights around 3.3°C. Expect roughly 10.1 wet days totalling 125.3mm. 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. Birmingham peaks at 86.
Based on 30 years of records, October–November scores highest for comfort in Birmingham, balancing daytime temperature against rainfall.
July is the warmest, averaging a daily high of 32.8°C.
March is the wettest, averaging 151.7mm of rain across roughly 11.1 wet days.
January is the coolest month, with average daily highs around 12.7°C.