Uusikaupunki Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Uusikaupunki.
Climate overview of Uusikaupunki
Temperatures in Uusikaupunki, Southern Finland, Finland, vary greatly throughout the year. July is the hottest month at 20°C (68°F), while February is the coldest at 0°C (32°F).
Uusikaupunki sees a moderate amount of rain/snowfall, totalling around 684 mm (27 in) per year. It experiences a distinct dry season from March to April, with pleasant summers and very cold winters, creating some seasonal variation. Sunshine peaks in July, when the city sees around 9.6 hours of sunshine per day.
Uusikaupunki Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Uusikaupunki - and find the best time to visit.
Monthly Temperature in Uusikaupunki
The climate in Uusikaupunki is known for significant temperature differences throughout the year, making the weather dynamic. Average maximum daytime temperatures range from a pleasant 20°C (68°F) in July, the warmest time of the year, to a very cold 0°C (32°F) during cooler months like February.
At night, you can expect temperatures ranging from 14°C (57°F) in July to around -5°C (23°F) during February.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Uusikaupunki
Generally, Uusikaupunki receives mid-range precipitation levels, with 684 mm (27 in) annually. While rainfall varies throughout the year, each season offers its own charm. October brings wetter days averaging 75 mm (3 in) of precipitation, spread over 17 rainy days.
In contrast, the driest month April experiences a drier climate, with about 36 mm (1.4 in) of rainfall spread across 12 rainy days. For more details, please visit our Uusikaupunki 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 Uusikaupunki
Seasonal changes in sunshine hours are quite dramatic in Uusikaupunki. While July receives considerable daily sunshine with up to 9.6 hours, December marks the darkest time of the year, where sunshine is scarce with only 0.9 hours of sunlight per day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Best Time to Visit Uusikaupunki
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
- Most sunshine: May, June and July
- Fewest rainy days: May and June
- Seasonal pattern: A distinct dry season from March to April, with pleasant summers and very cold winters
- Coldest conditions: February, with freezing nights around -5°C (23°F).
Frequently asked questions about the climate in Uusikaupunki
What is the best time to visit Uusikaupunki?
July and August typically offer the most optimal weather in Uusikaupunki. In contrast, January, February, March, April, October, November and December tend to have less optimal conditions. Uusikaupunki has a distinct dry season from March to April, with pleasant summers and very cold winters.
What temperatures can I expect in Uusikaupunki?
Daytime highs range from 0°C (32°F) in February to 20°C (68°F) in July. Nighttime lows range from -5°C (23°F) to 14°C (57°F). Temperatures vary considerably through the year.
How much rain does Uusikaupunki get?
Annual rainfall is around 684 mm (27 in). October is the wettest month with 75 mm (3 in), while April is the driest with 36 mm (1.4 in).
How sunny is Uusikaupunki?
Uusikaupunki receives around 1,843 hours of sunshine per year. July is the sunniest month with 288 hours, while December is the cloudiest with just 28 hours.
Uusikaupunki 3-Day Forecast
Uusikaupunki 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.