Pietarsaari Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Pietarsaari.
Climate overview of Pietarsaari
Pietarsaari, Western Finland, Finland, experiences significant temperature variation throughout the year. Summers bring daytime highs of 21°C (70°F) in July, while winters cool to -2°C (28°F) in February.
Pietarsaari sees a moderate amount of rain/snowfall, totalling around 647 mm (25 in) per year. It experiences a distinct dry season from February to April, with pleasant summers and very cold winters, creating some seasonal variation.
Pietarsaari Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Pietarsaari - and find the best time to visit.
Monthly Temperature in Pietarsaari
Depending on the time of the year, temperatures range from pleasant to very cold in Pietarsaari. Average maximum daytime temperatures range from a pleasant 21°C (70°F) in July, the warmest time of the year, to a very cold -2°C (28°F) during cooler months like February.
At night, you can expect temperatures ranging from 13°C (55°F) in July to around -9°C (16°F) during February.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Pietarsaari
Generally, Pietarsaari has a moderate amount of precipitation, averaging 647 mm (25 in) of rain/snowfall annually. Significant seasonal changes in precipitation occur throughout the year. In the wettest month, July it receives moderate rainfall, averaging 76 mm (3 in) of precipitation, recorded across 13 rainy days. In contrast, the driest month March brings less snowfall, with 34 mm (1.3 in) over 14 snowy days. For more details, please visit our Pietarsaari Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Best Time to Visit Pietarsaari
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: July and August
- Warmest weather: July and August
- Fewest rainy days: April, May, June and July
- Seasonal pattern: A distinct dry season from February to April, with pleasant summers and very cold winters
- Coldest conditions: February, with freezing nights around -9°C (16°F).
Frequently asked questions about the climate in Pietarsaari
What is the best time to visit Pietarsaari?
July and August typically offer the most optimal weather in Pietarsaari. In contrast, January, February, March, April, October, November and December tend to have less optimal conditions. Pietarsaari has a distinct dry season from February to April, with pleasant summers and very cold winters.
What temperatures can I expect in Pietarsaari?
Daytime highs range from -2°C (28°F) in February to 21°C (70°F) in July. Nighttime lows range from -9°C (16°F) to 13°C (55°F). Temperatures vary considerably through the year.
How much rain does Pietarsaari get?
Annual rainfall is around 647 mm (25 in). July is the wettest month with 76 mm (3 in), while March is the driest with 34 mm (1.3 in).
Pietarsaari 3-Day Forecast
Pietarsaari on the map
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Bucket list
Need travel inspiration? Check out our bucket list articles and be inspired.
Air Guitar World Championship Finland
This is something you might want to add to your bucket list. August is also the perfect time to visit Finland. The days are long and the temperature is amazing.
Sleeping in a glass iglo in Finland
Sleeping in a glass igloo with the Northern Lights shining above you. The most famous place is in the Iglo village in Kakslattaunen. The idea is amazing and definitely something to add to your bucket list.
See the northern lights
The northern lights, polar light or Aarora Borealis is a true spectacle of nature! Green, sometimes purple, red and yellow streaks of light colors the dark skies.