Finland weather in August - temperature, rain and is it a good time to visit?

August is one of the best months for a holiday in Finland.
Daytime
20°
Night
11°
☀️ Day length
16 h 01 min
Chance of rain
57%
Thunder days
9%
Humid days
30%
WEATHER THROUGH THE YEARFinland - August vs the year-5°-10°-1°-6°-6°-1°15°18°22°12°20°11°15°-5°CHANCE OF RAIN (%)324033524762555750496453JanFebMarAprMayJunJulAugSepOctNovDecWARMESTJul (22°)COLDESTJan (-5°)DRIESTJan (32%)WETTESTNov (64%)world-prices.com · 2026-07-08 · ★ best months
In August, Finland averages about 20° during the day and 11° at night. Rain is fairly likely - around a 57% chance on a given day, so pack for showers.

Finland weather all year - average temperatures and rain

MonthDayNightChance of rain
January -5℃-10℃32%
February -1℃-6℃40%
March 2℃-6℃33%
April 8℃-1℃52%
May ★ 15℃5℃47%
June ★ 18℃9℃62%
July ★ 22℃12℃55%
August 20℃11℃57%
September ★ 15℃7℃50%
October ★ 7℃1℃49%
November 3℃-1℃64%
December 0℃-5℃53%
★ - months most often recommended for travel

Where is it warmest in Finland in August? Weather by city

PlaceDayNight🌊 SeaChance of rain
Helsinki 21℃12℃20℃56%
Turku 21℃11℃21℃57%
Vantaa 21℃12℃20℃55%
Espoo 21℃12℃20℃56%
Jyväskylä 20℃9℃-65%
Lahti 20℃12℃-55%
Tampere 20℃10℃-59%
Pori 20℃11℃20℃53%
Oulu 19℃11℃20℃59%
Rovaniemi 17℃10℃-53%
Travelling soon? Check the live 14-day weather forecast for Finland.

Finland weather - other months

JanuaryFebruaryMarchAprilMayJuneJulyAugustSeptemberOctoberNovemberDecember