Karlskrona Weather & Climate: Best Time to Visit

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.

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

Data from: Kalmar, Sweden (73 KM, 45 Miles).

Daily hours of sunshine

Data from: Kalmar, Sweden (73 KM, 45 Miles).

Daily percentage of sunshine

Data from: Kalmar, Sweden (73 KM, 45 Miles).

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

Data from: Kalmar, Sweden (73 KM, 45 Miles).

Karlskrona 3-Day Forecast

10-Day Forecast

Select a Month

Check the conditions for any month of the year.

Best Time to Visit Karlskrona

The best time to visit Karlskrona is during June, July, August and September, when the weather provides comfortable temperatures between 17°C (63°F) and 21°C (69°F). With rainfall of 58 mm (2.3 in) to 67 mm (2.6 in), you can expect pleasant weather during your visit in these months.

Ready to plan your travels but need destination ideas? Our smart tool recommends places based on the climate conditions you prefer. Start planning with our destination weather tool.