| Month | High | Low | Rain | Wet days | Score |
|---|---|---|---|---|---|
| January | -0.5° | -8.2° | 58.2mm | 12.5 | 5 |
| February | 1° | -8.4° | 47.3mm | 9.4 | 11 |
| March | 7.1° | -3.9° | 60mm | 10.3 | 29 |
| April | 14.1° | 1.6° | 75.4mm | 11.8 | 57 |
| May | 20.9° | 8.2° | 100.7mm | 12.3 | 75 |
| June | 26.1° | 13.8° | 85.3mm | 10.4 | 79 |
| July | 28.5° | 16.3° | 95.4mm | 10.5 | 73 |
| August | 27.5° | 15.4° | 91.5mm | 9.1 | 80 |
| September | 23.6° | 11.5° | 80.9mm | 8.6 | 83 |
| October | 16.3° | 5° | 68.4mm | 11.6 | 65 |
| November | 8.8° | -1° | 61.4mm | 10.6 | 38 |
| December | 2.4° | -4.8° | 58.8mm | 11.7 | 11 |
January in Farmington Hills averages a daily high of -0.5°C with nights around -8.2°C. Expect roughly 12.5 wet days totalling 58.2mm. A hard month to visit for comfort alone.
February in Farmington Hills averages a daily high of 1°C with nights around -8.4°C. Expect roughly 9.4 wet days totalling 47.3mm. A hard month to visit for comfort alone.
March in Farmington Hills averages a daily high of 7.1°C with nights around -3.9°C. Expect roughly 10.3 wet days totalling 60mm. A hard month to visit for comfort alone.
April in Farmington Hills averages a daily high of 14.1°C with nights around 1.6°C. Expect roughly 11.8 wet days totalling 75.4mm. Generally workable, with some weather to plan around.
May in Farmington Hills averages a daily high of 20.9°C with nights around 8.2°C. Expect roughly 12.3 wet days totalling 100.7mm. Comfortable conditions for being outdoors all day.
June in Farmington Hills averages a daily high of 26.1°C with nights around 13.8°C. Expect roughly 10.4 wet days totalling 85.3mm. Comfortable conditions for being outdoors all day.
July in Farmington Hills averages a daily high of 28.5°C with nights around 16.3°C. Expect roughly 10.5 wet days totalling 95.4mm. Generally workable, with some weather to plan around.
August in Farmington Hills averages a daily high of 27.5°C with nights around 15.4°C. Expect roughly 9.1 wet days totalling 91.5mm. Comfortable conditions for being outdoors all day.
September in Farmington Hills averages a daily high of 23.6°C with nights around 11.5°C. Expect roughly 8.6 wet days totalling 80.9mm. Comfortable conditions for being outdoors all day.
October in Farmington Hills averages a daily high of 16.3°C with nights around 5°C. Expect roughly 11.6 wet days totalling 68.4mm. Generally workable, with some weather to plan around.
November in Farmington Hills averages a daily high of 8.8°C with nights around -1°C. Expect roughly 10.6 wet days totalling 61.4mm. Demanding conditions — pack for it and plan indoor options.
December in Farmington Hills averages a daily high of 2.4°C with nights around -4.8°C. Expect roughly 11.7 wet days totalling 58.8mm. 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. Farmington Hills peaks at 83.
Based on 30 years of records, May–June scores highest for comfort in Farmington Hills, balancing daytime temperature against rainfall.
July is the warmest, averaging a daily high of 28.5°C.
May is the wettest, averaging 100.7mm of rain across roughly 12.3 wet days.
January is the coolest month, with average daily highs around -0.5°C.