| Month | High | Low | Rain | Wet days | Score |
|---|---|---|---|---|---|
| January | -7.2° | -14.6° | — | — | 24 |
| February | -6.4° | -14.1° | — | — | 24 |
| March | -0.6° | -10.1° | — | — | 24 |
| April | 5.9° | -3.3° | — | — | 41 |
| May | 12.9° | 3° | — | — | 71 |
| June | 18.6° | 9.2° | — | — | 90 |
| July | 21.8° | 12.5° | — | — | 94 |
| August | 18.8° | 10.2° | — | — | 90 |
| September | 12.8° | 5.5° | — | — | 71 |
| October | 4.6° | -0.5° | — | — | 41 |
| November | -1.2° | -6.3° | — | — | 27 |
| December | -4.7° | -11.4° | — | — | 24 |
January in Rovaniemi averages a daily high of -7.2°C with nights around -14.6°C. A hard month to visit for comfort alone.
February in Rovaniemi averages a daily high of -6.4°C with nights around -14.1°C. A hard month to visit for comfort alone.
March in Rovaniemi averages a daily high of -0.6°C with nights around -10.1°C. A hard month to visit for comfort alone.
April in Rovaniemi averages a daily high of 5.9°C with nights around -3.3°C. Demanding conditions — pack for it and plan indoor options.
May in Rovaniemi averages a daily high of 12.9°C with nights around 3°C. Generally workable, with some weather to plan around.
June in Rovaniemi averages a daily high of 18.6°C with nights around 9.2°C. Comfortable conditions for being outdoors all day.
July in Rovaniemi averages a daily high of 21.8°C with nights around 12.5°C. Comfortable conditions for being outdoors all day.
August in Rovaniemi averages a daily high of 18.8°C with nights around 10.2°C. Comfortable conditions for being outdoors all day.
September in Rovaniemi averages a daily high of 12.8°C with nights around 5.5°C. Generally workable, with some weather to plan around.
October in Rovaniemi averages a daily high of 4.6°C with nights around -0.5°C. Demanding conditions — pack for it and plan indoor options.
November in Rovaniemi averages a daily high of -1.2°C with nights around -6.3°C. A hard month to visit for comfort alone.
December in Rovaniemi averages a daily high of -4.7°C with nights around -11.4°C. 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. Rovaniemi peaks at 94.
Based on 30 years of records, June–August scores highest for comfort in Rovaniemi, balancing daytime temperature against rainfall.
July is the warmest, averaging a daily high of 21.8°C.
January is the wettest, averaging —mm of rain across roughly — wet days.
January is the coolest month, with average daily highs around -7.2°C.