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Finland weather averages
Check Finland weather averages before you book your next holiday in 2018/2019. Today's maximum temperature in Finland is expected to be -2°C, while the average maximum temperature in January is -4°C. The holiday weather guide shown above is for Helsinki.
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Finland weather overview
Finland is a country of extremes with very harsh winters but warm, pleasant summers. The north of the country lies inside the Arctic Circle and this means summer days are not only sunny but long with an average of 10 hours of sunshine. However temperatures tend to be higher in the low-lying south. In winter, central and southern Finland enjoy relatively mild weather while the rest of the country shivers and dons its snow boots.
In the north, the winter snows can last up to seven months. One compensation for the cold winters is that they bring long bouts of settled weather. In the summer, the weather is very changeable and light rain always a possibility.
What to pack for Finland weather
Take very warm clothing in the winter months, especially if you plan to enter the Arctic Circle, light to warm clothing with rainwear for the summer and always pack insect repellent: gnats and mosquitoes are a pest, especially in the north.
Finland holiday weather averages by month
Check Finland holiday weather averages for a particular month by selecting from the list below. Monthly weather guides include figures for temperature, rainfall, sunshine hours and sea temperature plus daily sunrise & sunset times.
Compare Finland weather with the USA
Below the Finland weather chart shows maximum daytime temperature for Finland (Helsinki) and the USA (Washington). For more weather parameters or to change the destinations shown visit the comparison weather tool.
Maximum daytime temperature (°C)
Metric (°C / mm) | Imperial (°F / inches)
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