| Month | High | Low | Rain | Wet days | Score |
|---|---|---|---|---|---|
| January | -0.6° | -8.2° | 51.2mm | 13.9 | 2 |
| February | 1° | -7.8° | 47.5mm | 10.8 | 9 |
| March | 7.1° | -3.4° | 55.4mm | 10.8 | 29 |
| April | 14.3° | 2.2° | 78.6mm | 12.4 | 57 |
| May | 20.8° | 8.4° | 95.7mm | 12.7 | 75 |
| June | 26.2° | 13.9° | 96.8mm | 10.9 | 78 |
| July | 28.3° | 15.8° | 75mm | 9.4 | 76 |
| August | 27.1° | 15.2° | 90.9mm | 9.9 | 80 |
| September | 23.4° | 11° | 66.8mm | 9.5 | 81 |
| October | 16° | 5.1° | 81.4mm | 12.3 | 63 |
| November | 8.5° | -0.3° | 58.3mm | 11.4 | 37 |
| December | 2.2° | -4.8° | 49.8mm | 13.9 | 7 |
January in Lansing averages a daily high of -0.6°C with nights around -8.2°C. Expect roughly 13.9 wet days totalling 51.2mm. A hard month to visit for comfort alone.
February in Lansing averages a daily high of 1°C with nights around -7.8°C. Expect roughly 10.8 wet days totalling 47.5mm. A hard month to visit for comfort alone.
March in Lansing averages a daily high of 7.1°C with nights around -3.4°C. Expect roughly 10.8 wet days totalling 55.4mm. A hard month to visit for comfort alone.
April in Lansing averages a daily high of 14.3°C with nights around 2.2°C. Expect roughly 12.4 wet days totalling 78.6mm. Generally workable, with some weather to plan around.
May in Lansing averages a daily high of 20.8°C with nights around 8.4°C. Expect roughly 12.7 wet days totalling 95.7mm. Comfortable conditions for being outdoors all day.
June in Lansing averages a daily high of 26.2°C with nights around 13.9°C. Expect roughly 10.9 wet days totalling 96.8mm. Comfortable conditions for being outdoors all day.
July in Lansing averages a daily high of 28.3°C with nights around 15.8°C. Expect roughly 9.4 wet days totalling 75mm. Comfortable conditions for being outdoors all day.
August in Lansing averages a daily high of 27.1°C with nights around 15.2°C. Expect roughly 9.9 wet days totalling 90.9mm. Comfortable conditions for being outdoors all day.
September in Lansing averages a daily high of 23.4°C with nights around 11°C. Expect roughly 9.5 wet days totalling 66.8mm. Comfortable conditions for being outdoors all day.
October in Lansing averages a daily high of 16°C with nights around 5.1°C. Expect roughly 12.3 wet days totalling 81.4mm. Generally workable, with some weather to plan around.
November in Lansing averages a daily high of 8.5°C with nights around -0.3°C. Expect roughly 11.4 wet days totalling 58.3mm. Demanding conditions — pack for it and plan indoor options.
December in Lansing averages a daily high of 2.2°C with nights around -4.8°C. Expect roughly 13.9 wet days totalling 49.8mm. 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. Lansing peaks at 81.
Based on 30 years of records, May–September scores highest for comfort in Lansing, balancing daytime temperature against rainfall.
July is the warmest, averaging a daily high of 28.3°C.
June is the wettest, averaging 96.8mm of rain across roughly 10.9 wet days.
January is the coolest month, with average daily highs around -0.6°C.