Sannäs Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Sannäs.
Climate overview of Sannäs
The climate in Sannäs, Southern Finland, Finland, is marked by large temperature swings across the seasons, ranging from 23°C (73°F) in July to -1°C (30°F) in February.
With around 702 mm (28 in) of annual rain/snowfall, the city has moderate precipitation levels. June is the wettest month and March the driest. It also has warm summers and very cold winters. The most sunshine falls in June, with an average of 9.9 hours of daily sunshine.
Sannäs Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Sannäs - and find the best time to visit.
Monthly Temperature in Sannäs
In Sannäs, temperatures differ significantly between summer and winter months. Typically, average maximum daytime temperatures range from a comfortable 23°C (73°F) in July to a very cold -1°C (30°F) in the coolest month, February.
Nights vary from 14°C (57°F) in July to around -8°C (18°F) during the colder months.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Sannäs
On average, Sannäs receives a reasonable amount of rain/snowfall, with an annual precipitation of 702 mm (28 in). Sannäs offers a pleasant mix of wetter and slightly drier months. The difference in precipitation between the wettest month June (75 mm (3 in)) and the driest month March (42 mm (1.7 in)) is not too significant. For more details, please visit our Sannäs Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in Sannäs
For those who appreciate different seasons, Sannäs serves as an ideal destination. Expect longer, more sun-filled days in June with an average of 9.9 hours of sunshine daily, and embrace the darker days in December, offering only 1 hour of daily sunlight.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Humidity in Sannäs by Month
The relative humidity is high throughout the year in Sannäs.
The city experiences its highest humidity in November, reaching 89%. 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 Sannäs
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 and August
- Most sunshine: June and July
- Fewest rainy days: April, May and June
- Seasonal pattern: Warm summers and very cold winters
- Coldest conditions: February, with freezing nights around -8°C (18°F).
Frequently asked questions about the climate in Sannäs
What is the best time to visit Sannäs?
June, July and August typically offer the most optimal weather in Sannäs. In contrast, January, February, March, April, October, November and December tend to have less optimal conditions. Sannäs has warm summers and very cold winters.
What temperatures can I expect in Sannäs?
Daytime highs range from -1°C (30°F) in February to 23°C (73°F) in July. Nighttime lows range from -8°C (18°F) to 14°C (57°F). Temperatures vary considerably through the year.
How much rain does Sannäs get?
Annual rainfall is around 702 mm (28 in). June is the wettest month with 75 mm (3 in), while March is the driest with 42 mm (1.7 in).
How sunny is Sannäs?
Sannäs receives around 1,840 hours of sunshine per year. June is the sunniest month with 298 hours, while December is the cloudiest with just 30 hours.
Sannäs 3-Day Forecast
Sannäs on the map
Sannäs is highlighted - select any city to see its climate.
Popular this month
Where to go in August - 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.