| Month | High | Low | Rain | Wet days | Score |
|---|---|---|---|---|---|
| January | -0.4° | -8.3° | 49.6mm | 14.2 | 2 |
| February | 1.2° | -8.1° | 45.3mm | 10.7 | 9 |
| March | 7.1° | -3.4° | 51.6mm | 11 | 29 |
| April | 14.4° | 2.1° | 73.5mm | 12.6 | 57 |
| May | 21.1° | 8.2° | 94.6mm | 12.2 | 76 |
| June | 26.3° | 13.7° | 77.1mm | 11.2 | 78 |
| July | 28.5° | 15.6° | 86.2mm | 9.6 | 75 |
| August | 27.3° | 15° | 84.1mm | 9.9 | 79 |
| September | 23.5° | 10.7° | 72.8mm | 9.3 | 81 |
| October | 16.3° | 5.1° | 72mm | 12.4 | 63 |
| November | 8.8° | -0.3° | 52.4mm | 11 | 39 |
| December | 2.4° | -4.8° | 48.7mm | 14.2 | 6 |
January in Flint averages a daily high of -0.4°C with nights around -8.3°C. Expect roughly 14.2 wet days totalling 49.6mm. A hard month to visit for comfort alone.
February in Flint averages a daily high of 1.2°C with nights around -8.1°C. Expect roughly 10.7 wet days totalling 45.3mm. A hard month to visit for comfort alone.
March in Flint averages a daily high of 7.1°C with nights around -3.4°C. Expect roughly 11 wet days totalling 51.6mm. A hard month to visit for comfort alone.
April in Flint averages a daily high of 14.4°C with nights around 2.1°C. Expect roughly 12.6 wet days totalling 73.5mm. Generally workable, with some weather to plan around.
May in Flint averages a daily high of 21.1°C with nights around 8.2°C. Expect roughly 12.2 wet days totalling 94.6mm. Comfortable conditions for being outdoors all day.
June in Flint averages a daily high of 26.3°C with nights around 13.7°C. Expect roughly 11.2 wet days totalling 77.1mm. Comfortable conditions for being outdoors all day.
July in Flint averages a daily high of 28.5°C with nights around 15.6°C. Expect roughly 9.6 wet days totalling 86.2mm. Comfortable conditions for being outdoors all day.
August in Flint averages a daily high of 27.3°C with nights around 15°C. Expect roughly 9.9 wet days totalling 84.1mm. Comfortable conditions for being outdoors all day.
September in Flint averages a daily high of 23.5°C with nights around 10.7°C. Expect roughly 9.3 wet days totalling 72.8mm. Comfortable conditions for being outdoors all day.
October in Flint averages a daily high of 16.3°C with nights around 5.1°C. Expect roughly 12.4 wet days totalling 72mm. Generally workable, with some weather to plan around.
November in Flint averages a daily high of 8.8°C with nights around -0.3°C. Expect roughly 11 wet days totalling 52.4mm. Demanding conditions — pack for it and plan indoor options.
December in Flint averages a daily high of 2.4°C with nights around -4.8°C. Expect roughly 14.2 wet days totalling 48.7mm. A hard month to visit for comfort alone.
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. Flint peaks at 81.
Based on 30 years of records, May–September scores highest for comfort in Flint, balancing daytime temperature against rainfall.
July is the warmest, averaging a daily high of 28.5°C.
May is the wettest, averaging 94.6mm of rain across roughly 12.2 wet days.
January is the coolest month, with average daily highs around -0.4°C.