Petäjävesi Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Petäjävesi.
Climate overview of Petäjävesi
The climate in Petäjävesi, Western Finland, Finland, is marked by large temperature swings across the seasons, ranging from 23°C (73°F) in July to -3°C (27°F) in January.
Petäjävesi sees a moderate amount of rain/snowfall, totalling around 738 mm (29 in) per year. It experiences warm summers and very cold winters, creating some seasonal variation.
Petäjävesi Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Petäjävesi - and find the best time to visit.
Monthly Temperature in Petäjävesi
In Petäjävesi, temperatures differ significantly between summer and winter months. Average maximum daytime temperatures range from a comfortable 23°C (73°F) in July, the warmest time of the year, to a very cold -3°C (27°F) during cooler months like January.
At night, you can expect temperatures ranging from 12°C (54°F) in July to around -10°C (14°F) during January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Petäjävesi
On average, Petäjävesi receives a reasonable amount of rain/snowfall, with an annual precipitation of 738 mm (29 in). Significant seasonal changes in precipitation occur throughout the year. In the wettest month, July it receives moderate rainfall, averaging 96 mm (3.8 in) of precipitation, recorded across 16 rainy days. In contrast, the driest month March brings less snowfall, with 40 mm (1.6 in) over 16 snowy days. For more details, please visit our Petäjävesi Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
Humidity in Petäjävesi by Month
The relative humidity is high throughout the year in Petäjävesi.
The city experiences its highest humidity in November, reaching 90%. In May, the humidity drops to its lowest level at 65%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Best Time to Visit Petäjävesi
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: June, July and August
- Warmest weather: July
- Fewest rainy days: April, May and June
- Seasonal pattern: Warm summers and very cold winters
- Coldest conditions: January, with freezing nights around -10°C (14°F).
Frequently asked questions about the climate in Petäjävesi
What is the best time to visit Petäjävesi?
June, July and August typically offer the most optimal weather in Petäjävesi. In contrast, January, February, March, April, October, November and December tend to have less optimal conditions. Petäjävesi has warm summers and very cold winters.
What temperatures can I expect in Petäjävesi?
Daytime highs range from -3°C (27°F) in January to 23°C (73°F) in July. Nighttime lows range from -10°C (14°F) to 12°C (54°F). Temperatures vary considerably through the year.
How much rain does Petäjävesi get?
Annual rainfall is around 738 mm (29 in). July is the wettest month with 96 mm (3.8 in), while March is the driest with 40 mm (1.6 in).
Petäjävesi 3-Day Forecast
Petäjävesi 3-Day Forecast
Petäjävesi on the map
Petäjävesi is highlighted - select any city to see its climate.
Popular this month
Where to go in July - average daytime high across popular destinations.
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.