Karlskrona Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Karlskrona.
Climate overview of Karlskrona
The climate in Karlskrona, Blekinge, Sweden, is marked by large temperature swings across the seasons, ranging from 21°C (70°F) in August to 4°C (39°F) in February.
With around 682 mm (27 in) of annual rain/snowfall, the city has moderate precipitation levels. October is the wettest month and April the driest. It also has a distinct dry season from March to April. June is the sunniest month, averaging 9.5 hours of sunshine per day.
Karlskrona Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Karlskrona — and find the best time to visit.
Monthly Temperature in Karlskrona
In Karlskrona, temperatures differ significantly between summer and winter months. Typically, average maximum daytime temperatures range from a pleasant 21°C (70°F) in August to a chilly 4°C (39°F) in the coolest month, February.
Nights vary from 15°C (59°F) in August to around -1°C (30°F) during the colder months.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Karlskrona
On average, Karlskrona receives a reasonable amount of rain/snowfall, with an annual precipitation of 682 mm (27 in). Karlskrona offers a pleasant mix of wetter and slightly drier months. The difference in precipitation between the wettest month October (69 mm (2.7 in)) and the driest month April (36 mm (1.4 in)) is not too significant. For more details, please visit our Karlskrona 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 Karlskrona
For those who appreciate different seasons, Karlskrona serves as an ideal destination. Expect longer, more sun-filled days in June with an average of 9.5 hours of sunshine daily, and embrace the darker days in December, offering only 0.9 hours of daily sunlight.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Daily percentage of sunshine
Humidity in Karlskrona by Month
The city experiences its highest humidity in January, reaching 88%. In June, the humidity drops to its lowest level at 75%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Best Time to Visit Karlskrona
Frequently asked questions about the climate in Karlskrona
What is the best time to visit Karlskrona?
July and August typically offer the most optimal weather in Karlskrona. In contrast, January, February, March, April, November and December tend to have less optimal conditions. Karlskrona has a distinct dry season from March to April.
What temperatures can I expect in Karlskrona?
Daytime highs range from 4°C (39°F) in February to 21°C (70°F) in August. Nighttime lows range from -1°C (30°F) to 15°C (59°F). Temperatures vary considerably through the year.
How much rain does Karlskrona get?
Annual rainfall is around 682 mm (27 in). October is the wettest month with 69 mm (2.7 in), while April is the driest with 36 mm (1.4 in).
How sunny is Karlskrona?
Karlskrona receives around 1,833 hours of sunshine per year. June is the sunniest month with 285 hours, while December is the cloudiest with just 28 hours.
Karlskrona 3-Day Forecast
Karlskrona 3-Day Forecast
Karlskrona on the map
Karlskrona is highlighted — select any city to see its climate.
Popular this month
Where to go in July — average daytime high across popular destinations.
Falkenberg
22°C (72°F) Lund
23°C (73°F) Stockholm23°C (73°F) Malmö23°C (73°F) Gothenburg22°C (72°F) Visby22°C (72°F) Karlskrona21°C (70°F) Simrishamn20°C (68°F) 
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