Rovaniemi records about 535mm of rain across roughly 108 wet days a year, which is a 30% chance on an average day. August is the wettest month at 70mm (13% of the annual total) and April the driest at 21mm. Local rain type: snow mix. Rovaniemi sits on the Arctic Circle — winter brings snow rather than rain (October-April). Summer rain is light and brief.
Chance of rain on an average day: 30%
Rainfall climatology for Rovaniemi. The live hour-by-hour answer for today loads at the top of this page from Open-Meteo and refreshes through the day — the figures below describe a typical year, not today.
Last updated: · Live forecast data refreshes hourly.
| Annual rainfall | 535mm |
| Rain days per year | 108 |
| Odds on an average day | 30% |
| Wettest month | August — 70mm over 15 days |
| Driest month | April — 21mm over 5 days |
| Rain type | snow mix |
| Best dry window | June offers the midnight sun with relatively dry conditions. |
| Worst rain window | October through April brings snow rather than rain — temperatures regularly reach -20°C. |
August delivers 233% more rain than April (70mm vs 21mm). That gap is the difference between planning around showers and ignoring them.
No single month holds more than 13% of the annual total, so rain in Rovaniemi is spread through the year — there is no season you can rely on being dry.
Rovaniemi rain typically comes as discrete showers, so a compact umbrella and a flexible plan are usually enough.
Rain falls on about 15 days in August against 5 in April — the frequency swing matters more for planning than the millimetre totals.
Climate normals. Use them to judge whether today's live forecast at the top of the page is typical or unusual for the season.
| Month | Rainfall | Rain days | Chance on a given day | Highs |
|---|---|---|---|---|
| January | 34mm | 7 | 23% | -10°C |
| February | 27mm | 6 | 20% | -10°C |
| March | 27mm | 6 | 20% | -6°C |
| April | 21mm | 5 | 17% | 0°C |
| May | 34mm | 7 | 23% | 9°C |
| June | 52mm | 11 | 37% | 15°C |
| July | 62mm | 14 | 47% | 19°C |
| August | 70mm | 15 | 50% | 19°C |
| September | 48mm | 11 | 37% | 15°C |
| October | 45mm | 10 | 33% | 9°C |
| November | 37mm | 8 | 27% | 0°C |
| December | 35mm | 8 | 27% | -6°C |
Rain probability is the chance that at least 0.2mm falls at your location — not how long it rains. For Rovaniemi we combine the hourly probability curve, expected volume in millimetres, and the city's own rainfall record into a single umbrella verdict.
| Factor | Weight | What it measures |
|---|---|---|
| Hourly probability | 40% | Peak and sustained chance of measurable rain across the next 24 hours. |
| Expected volume | 30% | Total millimetres, which separates a passing shower from a genuine soaking. |
| Timing & duration | 20% | When rain starts, when it eases, and the longest continuous dry window. |
| Local rain type | 10% | Drizzle, brief showers, thunderstorms or monsoon — each needs different gear. |
Live hourly values come from Open-Meteo and refresh through the day. Monthly rainfall figures are climate normals, so they describe a typical year rather than a forecast.
Rovaniemi records rain on roughly 108 days a year — about a 30% chance on any given day — totalling around 535mm.
August, with about 70mm over 15 rain days. That is 13% of the entire year's rainfall in a single month.
April is the driest month at 21mm across roughly 5 days. June offers the midnight sun with relatively dry conditions.
Rovaniemi sits on the Arctic Circle — winter brings snow rather than rain (October-April). Summer rain is light and brief.
No. Probability is the chance that at least 0.2mm of rain falls at your location at some point in the period. Check the expected millimetres alongside it: 40% with 0.4mm is a passing shower, 40% with 12mm is a soaking.