Day
-6 °C
Night
-16 °C
Sea
0 °C
Precipitation
40 mm
in month
Rainy days
12 days
in month
Daylight
4 hours
average
Sunshine
0 hours
average
Humidity
87 %
We make the most from 40 years of historical weather data to predict the best weather conditions.
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We aggregate data from combining multiple weather sources to ensure accuracy of the highest order.
Rovaniemi in Finland experiences a subarctic climate, where the winters are long and cold, and the summers are short and mild. Daytime temperatures can range from a frosty -6 °C (20 °F) in January to a modest 20 °C (68 °F) in July. Despite the cold, precipitation is relatively low throughout the year with the wettest month being July with 76 mm (2.99 in) and the most rainy days occurring in July with 11 days. Even though the summer offers more sunlight with up to 9 hours per day, the winter brings the magical Polar Night, with the unique experience of nearly 24 hours of darkness.
January in Rovaniemi is marked by the coldest temperatures with an average high of -6 °C (20 °F). One can expect a snowy landscape as precipitation is mostly snow, totalling an average of 40 mm (1.58 in). The days are short with barely more sun hours than the polar night, with about 0 hours of sunlight.
February continues to embrace the chill with an average high temperature of -6 °C (21 °F). The number of wet days decreases slightly from January to approximately 10 days, but the amount of precipitation sees a slight decrease to 33 mm (1.31 in).
With the arrival of March, temperatures begin to rise slightly, reaching an average high of -1 °C (30 °F). The days grow noticeably longer, with average sunny hours increasing to 3 hours, indicative of the approaching spring.
April in Rovaniemi sees further improvement in temperatures, with average highs reaching 5 °C (41 °F). Spring is in the air, evident from the increase in sun hours to 5 hours and diminishing snow cover.
As May arrives, Rovaniemi welcomes double-digit daytime temperatures, with an average high of 12 °C (53 °F). The landscape turns green, and the number of sunny hours peaks at 7 hours.
June ushers in the start of the mild Finnish summer with temperatures reaching an average high of 18 °C (64 °F). Rainy days are more frequent with an average of 10 days, but rain showers intersperse the extended daylight hours which can reach up to 9 hours.
July is the warmest month with average highs of 20 °C (68 °F), accompanied by the year's highest rainfall of 76 mm (2.99 in), and is also the peak of the rainy season with about 11 days. Extended sun hours continue to grace the region, reaching close to 8 hours.
August in Rovaniemi sees a slight dip in temperatures with average highs around 17 °C (63 °F). Rain is still frequent with approximately 11 days, while the days, though starting to shorten, still offer a generous 5 hours of sunshine.
September's arrival brings a striking change, with temperatures dropping to an average daytime high of 11 °C (53 °F), and the sun begins to recede, providing around 3 hours of sunshine.
With October comes the autumn chill as the average high temperature falls to 4 °C (39 °F). The rainy days increase slightly to approximately 11 days, and the daylight hours diminish to about 2 hours, heralding the approach of winter.
November is characterized by an average high of just -2 °C (29 °F). The daylight shrinks further to around 1 hour as the Polar Nights loom closer, and precipitation mainly falls as snow, averaging 46 mm (1.80 in).
December's frigid embrace sees the average temperatures dropping to night time lows of -16 °C (3 °F) and daytime highs seldom rising above -5 °C (23 °F). With just 0 hours of sunlight, Rovaniemi residents experience nearly complete darkness, while the snow continues to fall, adding to the winter wonderland.
Due to the average daytime high of -6 °C (20 °F) and the potential for icy winds, a visitor should dress in layered winter clothing, including thermal underwear, a heavy coat, warm boots, gloves, and a hat.
While February might be marginally warmer with an average daytime high of -6 °C (21 °F), the difference is minimal. Dressing warmly is still essential.
March marks a slight warming trend with the average high reaching -1 °C (30 °F), and while the snow begins to melt slowly, it still retains its wintry charm with a snow-rich landscape.
April provides a taste of spring with a warmer average daytime high of 5 °C (41 °F), which can feel quite pleasant after the long winter months.
Certainly, May is when the weather becomes more agreeable in Rovaniemi, with an average high of 12 °C (53 °F), signaling the full onset of spring.
For Rovaniemi, June is relatively warm with an average daytime high of 18 °C (64 °F), inviting one to enjoy outdoor activities under the nearly continuous daylight.
July offers the highest average daytime temperatures for the year at 20 °C (68 °F), which can be considered warm by local standards but is mild compared to more southerly latitudes.
August's average high tempers slightly to 17 °C (63 °F), with evenings bringing a noticeable coolness, signaling the coming end of summer.
September marks the return of cooler temperatures in Rovaniemi, with a daytime high falling to 11 °C (53 °F), quite a drop from August's milder weather.
Certainly, by October the climate in Rovaniemi becomes brisk with an average high of 4 °C (39 °F), a substantial decline from September, and residents begin to anticipate the first snowfalls.
Early winter in November sees daytime temperatures hovering just below freezing at -2 °C (29 °F) and consistent snow coverage laying the groundwork for the wintry months ahead.
December is enveloped in cold with daytime highs barely reaching -5 °C (23 °F), reinforcing the need for thermal wear and multiple layers to combat the subarctic chill.
We make the most from 40 years of historical weather data to predict the best weather conditions.
Deciding on where to go for a holiday is hard sometimes. Get inspired by the most popular destinations.
We aggregate data from combining multiple weather sources to ensure accuracy of the highest order.