⚡ Short answer
Finland weather: subarctic continental, long winter, short summer. Best driving Jun-Aug. Hazards: winter tyres mandatory Dec-Feb, elk/moose strikes, polar night Lapland Dec, icy roads Nov-Apr. Source: Ilmatieteen laitos.
Live weather
Helsinki
13° Clouds
- feels like
- 12°
- wind
- 13.9 m/s
- humidity
- 90%
Next 24 hours
- 15:00 12°
- 18:00 13°
- 21:00 13°
- 00:00 13°
- 03:00 13°
- 06:00 12° 86% rain
- 09:00 12° 81% rain
- 12:00 12° 100% rain
Turku
12° Clouds
- feels like
- 12°
- wind
- 4.9 m/s
- humidity
- 96%
Next 24 hours
- 15:00 12° 38% rain
- 18:00 12°
- 21:00 13° 100% rain
- 00:00 13° 100% rain
- 03:00 13°
- 06:00 11° 100% rain
- 09:00 9° 97% rain
- 12:00 9°
Tampere
12° Clouds
- feels like
- 11°
- wind
- 5.8 m/s
- humidity
- 96%
Next 24 hours
- 15:00 12°
- 18:00 12°
- 21:00 12°
- 00:00 12° 80% rain
- 03:00 12° 100% rain
- 06:00 9° 100% rain
- 09:00 9° 100% rain
- 12:00 8°
Oulu
10° Clear
- feels like
- 9°
- wind
- 4.1 m/s
- humidity
- 81%
Next 24 hours
- 15:00 10°
- 18:00 10°
- 21:00 9°
- 00:00 9°
- 03:00 8°
- 06:00 7°
- 09:00 6°
- 12:00 6°
Rovaniemi
7° Clear
- feels like
- 5°
- wind
- 4.3 m/s
- humidity
- 89%
Next 24 hours
- 15:00 8°
- 18:00 7°
- 21:00 5°
- 00:00 4°
- 03:00 1°
- 06:00 0°
- 09:00 0°
- 12:00 3°
On this page
Finnish climate overview
Finland spans 13 latitudes from temperate Baltic south to subarctic Lapland. Four broad zones:
South Finland (Helsinki, Turku, Tampere)
Maritime-influenced. Summer 17-22C, winter -3 to -8C. 500-700 mm rain/year. Sea moderation but inland chillier.
Central Finland (Jyvaskyla, Vaasa, Kuopio)
Continental. Summer 17-21C, winter -7 to -12C. 500-650 mm rain.
North Finland (Oulu, Kemi, Rovaniemi)
Subarctic. Summer 14-19C, winter -10 to -20C. 500-650 mm precipitation, much as snow.
Lapland (Sodankyla, Inari, Utsjoki)
Subarctic to polar. Summer 12-18C, winter -15 to -30C, occasionally -40C. Polar night Dec-Jan, midnight sun Jun-Jul.
Best months by activity
General touring (Helsinki, Turku, Lakes)
- Best: June-August. Mild, long days.
- Good: May, September. Cooler, fewer mosquitoes.
- Avoid road trips: November-March (winter conditions).
Lakes and saunas
- Best: late June-August. Warm lake swimming, mosquito season manageable.
Aurora hunting Lapland
- Best: September-March. Clear skies, dark nights, mild aurora.
Midnight sun
- Best: June-July above Arctic Circle. 24h sun.
Skiing and dog-sledding Lapland
- Best: December-March. Snow guaranteed.
Winter driving in Finland
Finland is one of the most experienced winter-driving cultures in the world:
- Winter tyres mandatory 1 Nov-31 Mar.
- Studded tyres allowed 1 Nov-31 Mar.
- Headlights on always: legal year-round.
- Reflective vest at roadside: not legally required but smart.
- Snow chains: rarely needed (flat terrain); only Lapland mountain crossings.
- Engine block heater: standard on Finnish cars; plug in below -15C.
Elk and reindeer driving hazards
Finland has thousands of large-mammal collisions per year. Mitigation:
- Elk warning zones: brown elk pictogram on E4, E18, E63, E75, Highway 4 to Lapland.
- Reduce speed to 70 km/h or below in zones, especially dawn/dusk.
- Reindeer in Lapland: not fenced, herded by Sami; year-round risk.
- Insurance: covered by most Finnish car insurance.
- If collision unavoidable: brake hard, stay in lane, do not swerve into oncoming.
Polar night and midnight sun
Above the Arctic Circle:
- Polar night (kaamos): mid-Dec to early Jan in Rovaniemi; longer further north.
- Midnight sun: late May to late July; 24h sun above Arctic Circle.
- Civil twilight: 2-4 hours of dim usable light even in deep polar night.
- Aurora: best Sep-Mar with clear skies; visible from Rovaniemi north.
Practical: headlights always on in polar night, plan rest stops, keep fuel topped up.
Apps and resources
- Ilmatieteen laitos: official Finnish met service (ilmatieteenlaitos.fi)
- Vayla: live road conditions, weather, closures
- Autoliitto: Finnish auto club, weather plus breakdown
- Foreca: popular consumer weather portal
- Yr.no: Norwegian Met has same model data, useful for cross-border
Practical tips for Finland road trips
- Winter tyres absolutely essential; rentals include them.
- Plug in engine block heater below -15C if available.
- Carry warm clothing, food, water in winter in Lapland.
- Mobile coverage spotty in interior Lapland; download offline maps.
- Reindeer collision: call 112; do not move animal.
- Fuel range adequate south, sparse in Lapland; fill at every chance north of Oulu.
- Speed cameras frequent; foreign-plated fines via EU cross-border.
Regional summary
Helsinki and south
Maritime. Summer 17-22C, winter -3 to -8C.
Turku and southwest
Slightly milder. Summer 17-22C, winter -2 to -7C.
Tampere and central
Continental. Summer 17-21C, winter -5 to -10C.
Vaasa and west coast
Maritime west. Summer 16-21C, winter -3 to -8C.
Kuopio and east lakes
Continental. Summer 16-21C, winter -8 to -14C.
Oulu and north
Subarctic coast. Summer 14-19C, winter -10 to -20C.
Rovaniemi and Lapland
Subarctic interior. Summer 12-18C, winter -15 to -30C. Polar night Dec.
Inari and far north
Polar. Summer 10-17C, winter -20 to -40C extreme.
Resources
- Ilmatieteen laitos: ilmatieteenlaitos.fi
- Vayla: vayla.fi
- Autoliitto: autoliitto.fi
- Air quality and pollen: paruso.com/helsinki/
Related topics: Finland
- Live traffic · Current jams
- Driving rules · Speed, alcohol
- Fuel prices · Per-station prices
- Country info · Currency, language
- Toll roads · Per-country prices
Weather in other European countries
SOURCE: Ilmatieteen laitos (Finnish Meteorological Institute) + Vayla Finnish Transport Agency road conditions + Autoliitto Finnish Automobile Federation
LICENSE: Official
Frequently asked questions
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When is the best time to drive in Finland?
June-August: midnight sun in Lapland, mild south (18-23C), all roads open. September: ruska autumn colours, cooler. October-November: dark, wet, early snow. December-March: winter (-5 to -25C south, -15 to -30C Lapland); experienced drivers only. April-May: snow melt season, ice still possible.
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Are winter tyres mandatory in Finland?
Yes, winter tyres are mandatory 1 November to 31 March; outside dates conditions-based. Studded tyres allowed 1 Nov-31 Mar (extended in cold years). Minimum tread depth 3 mm winter, 1.6 mm summer. Friction-only winter tyres also accepted. Rental cars include them. For Lapland trips, double-check tread depth.
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Which Finnish roads have winter restrictions?
Main roads (E4, E18, E63, E75) stay open year-round, with reduced speed and aggressive ploughing. Lapland routes 4, 21, 79 can close briefly in heavy snow. Vayla publishes live road weather at vayla.fi/liikenne-ja-saatieto. Bridges over open water (Tornio-Haparanda) close in extreme storms.
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How serious is the elk/moose risk?
Finland records 2,000-3,000 elk collisions per year, plus 5,000-8,000 white-tailed and roe deer strikes. Peak: May-June (calving) and September-November (rutting). Dawn and dusk worst. Signed warning zones on all main roads; reduce speed especially in forested sections. Reindeer also common in Lapland north of Rovaniemi.
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When does Lapland get polar night?
Polar night (kaamos) above the Arctic Circle (66.5N) from mid-December to early January in Rovaniemi; from late November to mid-January further north (Inari, Utsjoki). 2-4 hours of civil twilight daily; rest dark. Drivable but headlights always, polar adapted snow tyres, plan rest stops. Followed by midnight sun May-July.