| Month | High | Low | Rain | Wet days | Score |
|---|---|---|---|---|---|
| January | -1.3° | -7.3° | 47.3mm | 14 | 3 |
| February | -0.9° | -7.7° | 43mm | 12 | 6 |
| March | 3.1° | -5.3° | 28.2mm | 9.3 | 16 |
| April | 9.9° | -0.3° | 31mm | 8.3 | 48 |
| May | 16.4° | 4.7° | 36.6mm | 8.6 | 71 |
| June | 20.8° | 9.9° | 55mm | 10.1 | 80 |
| July | 23.1° | 12.7° | 65.6mm | 11.7 | 77 |
| August | 21.7° | 11.6° | 82.4mm | 12.3 | 75 |
| September | 16.2° | 7.4° | 45.2mm | 9.8 | 68 |
| October | 9.5° | 2.9° | 66.9mm | 13.4 | 40 |
| November | 4.1° | -0.5° | 61mm | 14.5 | 16 |
| December | 0.6° | -4.7° | 52.4mm | 14.8 | 5 |
January in Salo averages a daily high of -1.3°C with nights around -7.3°C. Expect roughly 14 wet days totalling 47.3mm. A hard month to visit for comfort alone.
February in Salo averages a daily high of -0.9°C with nights around -7.7°C. Expect roughly 12 wet days totalling 43mm. A hard month to visit for comfort alone.
March in Salo averages a daily high of 3.1°C with nights around -5.3°C. Expect roughly 9.3 wet days totalling 28.2mm. A hard month to visit for comfort alone.
April in Salo averages a daily high of 9.9°C with nights around -0.3°C. Expect roughly 8.3 wet days totalling 31mm. Demanding conditions — pack for it and plan indoor options.
May in Salo averages a daily high of 16.4°C with nights around 4.7°C. Expect roughly 8.6 wet days totalling 36.6mm. Generally workable, with some weather to plan around.
June in Salo averages a daily high of 20.8°C with nights around 9.9°C. Expect roughly 10.1 wet days totalling 55mm. Comfortable conditions for being outdoors all day.
July in Salo averages a daily high of 23.1°C with nights around 12.7°C. Expect roughly 11.7 wet days totalling 65.6mm. Comfortable conditions for being outdoors all day.
August in Salo averages a daily high of 21.7°C with nights around 11.6°C. Expect roughly 12.3 wet days totalling 82.4mm. Comfortable conditions for being outdoors all day.
September in Salo averages a daily high of 16.2°C with nights around 7.4°C. Expect roughly 9.8 wet days totalling 45.2mm. Generally workable, with some weather to plan around.
October in Salo averages a daily high of 9.5°C with nights around 2.9°C. Expect roughly 13.4 wet days totalling 66.9mm. Demanding conditions — pack for it and plan indoor options.
November in Salo averages a daily high of 4.1°C with nights around -0.5°C. Expect roughly 14.5 wet days totalling 61mm. A hard month to visit for comfort alone.
December in Salo averages a daily high of 0.6°C with nights around -4.7°C. Expect roughly 14.8 wet days totalling 52.4mm. 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. Salo peaks at 80.
Based on 30 years of records, June–August scores highest for comfort in Salo, balancing daytime temperature against rainfall.
July is the warmest, averaging a daily high of 23.1°C.
August is the wettest, averaging 82.4mm of rain across roughly 12.3 wet days.
January is the coolest month, with average daily highs around -1.3°C.