| Month | High | Low | Rain | Wet days | Score |
|---|---|---|---|---|---|
| January | -4° | -9° | 48.6mm | 18.3 | 0 |
| February | -2.4° | -8.7° | 47mm | 16.5 | 0 |
| March | 3.1° | -4.6° | 43.9mm | 14.4 | 7 |
| April | 12° | 2.1° | 40mm | 10.7 | 53 |
| May | 18.6° | 7.5° | 72.8mm | 12.9 | 70 |
| June | 21.6° | 10.8° | 80.3mm | 12.9 | 74 |
| July | 23.9° | 13.4° | 90.7mm | 12.9 | 74 |
| August | 22.6° | 11.8° | 86.1mm | 12.2 | 76 |
| September | 16.6° | 7° | 58.1mm | 10.1 | 69 |
| October | 9.2° | 2.3° | 70.4mm | 14.8 | 36 |
| November | 2.3° | -2.1° | 58.8mm | 17 | 9 |
| December | -2.3° | -6.7° | 52mm | 19.5 | 2 |
January in Smolensk averages a daily high of -4°C with nights around -9°C. Expect roughly 18.3 wet days totalling 48.6mm. A hard month to visit for comfort alone.
February in Smolensk averages a daily high of -2.4°C with nights around -8.7°C. Expect roughly 16.5 wet days totalling 47mm. A hard month to visit for comfort alone.
March in Smolensk averages a daily high of 3.1°C with nights around -4.6°C. Expect roughly 14.4 wet days totalling 43.9mm. A hard month to visit for comfort alone.
April in Smolensk averages a daily high of 12°C with nights around 2.1°C. Expect roughly 10.7 wet days totalling 40mm. Demanding conditions — pack for it and plan indoor options.
May in Smolensk averages a daily high of 18.6°C with nights around 7.5°C. Expect roughly 12.9 wet days totalling 72.8mm. Generally workable, with some weather to plan around.
June in Smolensk averages a daily high of 21.6°C with nights around 10.8°C. Expect roughly 12.9 wet days totalling 80.3mm. Generally workable, with some weather to plan around.
July in Smolensk averages a daily high of 23.9°C with nights around 13.4°C. Expect roughly 12.9 wet days totalling 90.7mm. Generally workable, with some weather to plan around.
August in Smolensk averages a daily high of 22.6°C with nights around 11.8°C. Expect roughly 12.2 wet days totalling 86.1mm. Comfortable conditions for being outdoors all day.
September in Smolensk averages a daily high of 16.6°C with nights around 7°C. Expect roughly 10.1 wet days totalling 58.1mm. Generally workable, with some weather to plan around.
October in Smolensk averages a daily high of 9.2°C with nights around 2.3°C. Expect roughly 14.8 wet days totalling 70.4mm. Demanding conditions — pack for it and plan indoor options.
November in Smolensk averages a daily high of 2.3°C with nights around -2.1°C. Expect roughly 17 wet days totalling 58.8mm. A hard month to visit for comfort alone.
December in Smolensk averages a daily high of -2.3°C with nights around -6.7°C. Expect roughly 19.5 wet days totalling 52mm. 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. Smolensk peaks at 76.
Based on 30 years of records, May–September scores highest for comfort in Smolensk, balancing daytime temperature against rainfall.
July is the warmest, averaging a daily high of 23.9°C.
July is the wettest, averaging 90.7mm of rain across roughly 12.9 wet days.
January is the coolest month, with average daily highs around -4°C.