| Month | High | Low | Rain | Wet days | Score |
|---|---|---|---|---|---|
| January | 7.5° | 1.4° | 61.9mm | 6.1 | 47 |
| February | 9.4° | 2.4° | 63.4mm | 6 | 54 |
| March | 13.5° | 5.3° | 72.5mm | 7.6 | 64 |
| April | 16.9° | 8.6° | 133.7mm | 10.6 | 69 |
| May | 20.9° | 12.5° | 181.8mm | 13.2 | 74 |
| June | 25.3° | 16.4° | 162mm | 11.6 | 77 |
| July | 27.5° | 18.2° | 170.6mm | 10.2 | 78 |
| August | 26.8° | 17.9° | 166.5mm | 10.8 | 78 |
| September | 22.3° | 14.3° | 149.2mm | 9.5 | 81 |
| October | 17.4° | 10.7° | 150mm | 10 | 72 |
| November | 11.8° | 5.8° | 165mm | 10.5 | 53 |
| December | 8° | 2.2° | 80.2mm | 7.3 | 47 |
January in Como averages a daily high of 7.5°C with nights around 1.4°C. Expect roughly 6.1 wet days totalling 61.9mm. Demanding conditions — pack for it and plan indoor options.
February in Como averages a daily high of 9.4°C with nights around 2.4°C. Expect roughly 6 wet days totalling 63.4mm. Demanding conditions — pack for it and plan indoor options.
March in Como averages a daily high of 13.5°C with nights around 5.3°C. Expect roughly 7.6 wet days totalling 72.5mm. Generally workable, with some weather to plan around.
April in Como averages a daily high of 16.9°C with nights around 8.6°C. Expect roughly 10.6 wet days totalling 133.7mm. Generally workable, with some weather to plan around.
May in Como averages a daily high of 20.9°C with nights around 12.5°C. Expect roughly 13.2 wet days totalling 181.8mm. Generally workable, with some weather to plan around.
June in Como averages a daily high of 25.3°C with nights around 16.4°C. Expect roughly 11.6 wet days totalling 162mm. Comfortable conditions for being outdoors all day.
July in Como averages a daily high of 27.5°C with nights around 18.2°C. Expect roughly 10.2 wet days totalling 170.6mm. Comfortable conditions for being outdoors all day.
August in Como averages a daily high of 26.8°C with nights around 17.9°C. Expect roughly 10.8 wet days totalling 166.5mm. Comfortable conditions for being outdoors all day.
September in Como averages a daily high of 22.3°C with nights around 14.3°C. Expect roughly 9.5 wet days totalling 149.2mm. Comfortable conditions for being outdoors all day.
October in Como averages a daily high of 17.4°C with nights around 10.7°C. Expect roughly 10 wet days totalling 150mm. Generally workable, with some weather to plan around.
November in Como averages a daily high of 11.8°C with nights around 5.8°C. Expect roughly 10.5 wet days totalling 165mm. Demanding conditions — pack for it and plan indoor options.
December in Como averages a daily high of 8°C with nights around 2.2°C. Expect roughly 7.3 wet days totalling 80.2mm. Demanding conditions — pack for it and plan indoor options.
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. Como peaks at 81.
Based on 30 years of records, May–September scores highest for comfort in Como, balancing daytime temperature against rainfall.
July is the warmest, averaging a daily high of 27.5°C.
May is the wettest, averaging 181.8mm of rain across roughly 13.2 wet days.
January is the coolest month, with average daily highs around 7.5°C.