Day
2 °C
Night
-2 °C
Sea
4 °C
Precipitation
51 mm
in month
Rainy days
11 days
in month
Daylight
7 hours
average
Sunshine
1 hours
average
Humidity
93 %
We make the most from 40 years of historical weather data to predict the best weather conditions.
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We aggregate data from combining multiple weather sources to ensure accuracy of the highest order.
Karlskrona, situated in Sweden, experiences a temperate climate characterized by warm summers and cold winters. Throughout the year, temperatures fluctuate from chilly lows of about -2 °C (28 °F) in February to pleasant highs reaching approximately 22 °C (71 °F) in July. Daytime temperatures are significantly moderated due to Karlskrona's coastal positioning, with averages ranging from 2 °C (35 °F) to 21 °C (69 °F) during the summer months. Precipitation varies, with rain being more frequent in the latter half of the year. The city is also known for its relative humidity, which can make colder months feel even nippier, and summer days quite refreshing.
January sees the year starting with a cool breeze in Karlskrona, with average night temperatures around -2 °C (28 °F). Daytime highs reach a brisk 2 °C (35 °F), often accompanied by 11 days of precipitation that can turn into snow.
February remains chilly in Karlskrona, with minimal night temps averaging around -2 °C (28 °F). The days are slightly warming up, peaking at 2 °C (36 °F), while moisture hangs in the air with 9 days of wet weather.
As March arrives in Karlskrona, the warmth starts to creep in, with night lows at -1 °C (30 °F) and day highs reaching 5 °C (41 °F). Expect 9 days of precipitation, with snow starting to give way to rain.
April shows signs of spring as temperatures climb, with nights averaging 2 °C (36 °F) and days around 10 °C (51 °F). Anticipate fewer wet days, down to 7 days, as Karlskrona's weather starts to moderate.
May in Karlskrona sees further warming, with nighttime lows at an average of 7 °C (44 °F) and pleasant day highs of 16 °C (60 °F). Be prepared for 8 days of precipitation even as the sun graces us with its presence increasingly.
June's arrival hints at the onset of summer with Karlskrona's night temps nearing 11 °C (51 °F) and days becoming warmer at 19 °C (66 °F). Expect moist air and 9 days of rainfall as summer unfolds.
July is Karlskrona's warmest month, boasting nighttime temperatures of about 13 °C (55 °F) and daytime highs cresting at 22 °C (71 °F). July also has 10 days marked with precipitation, typically as brief summer showers.
August signals the tail-end of summer with the night temperature averaging 13 °C (55 °F) and day peaks at 21 °C (69 °F), set against 10 days of rainfall as late-summer thunderstorms can occur.
September in Karlskrona introduces autumn with average nightly lows of 9 °C (49 °F) and diminishing day highs around 16 °C (61 °F), coupled with 9 days of rainfall as the season transitions.
October brings a crisper climate to Karlskrona, as night temperatures hover around 6 °C (42 °F) and days average at 11 °C (52 °F). A high number of wet days at 11 days signifies an often overcast and rainy month.
November's approach in Karlskrona means a return to colder weather, with average nighttime temperatures at 2 °C (35 °F) and daytime highs reaching just 6 °C (42 °F), plus 12 days of rain on the horizon.
December in Karlskrona greets the end of the year with frosty nights averaging -1 °C (30 °F) and cool days at 3 °C (37 °F), characterized by 12 days of rain that often turns to snow.
Karlskrona's January chill can be quite biting, with night temperatures dipping to an average low of -2 °C (28 °F). Dress warmly in layers to keep comfortable.
Daytime in Karlskrona during February provides a slight respite from the cold, with temperatures reaching up to 2 °C (36 °F) on average.
March holds onto the winter's chill with night temperatures averaging -1 °C (30 °F). By day, the mercury rises to a cool 5 °C (41 °F).
April brings a more welcoming climate with day temperatures averaging at 10 °C (51 °F), perfect for exploring Karlskrona's outdoors.
Daytime in May treats residents and visitors to comfortable highs of about 16 °C (60 °F), marking the approach of summer.
With day temperatures reaching almost 19 °C (66 °F), June is the prelude to warmth, showcasing some of the nicer Swedish summer weather.
July's weather is the most favorable of the year, with an average high of 22 °C (71 °F) providing ideal conditions for enjoying the outdoors.
August remains warm with an average daytime high of 21 °C (69 °F), a time when the city is bathed in the last of the summer warmth.
September sees a noticeable drop in temperatures with daytime averaging 16 °C (61 °F) and nights cooling down to 9 °C (49 °F).
While not freezing, October's air in Karlskrona has a definite chill, particularly in the mornings and evenings, averaging 6 °C (42 °F) at night.
Temperature dips are more pronounced in November, with daytime highs falling to an average of 6 °C (42 °F), signaling the beginning of the cold season.
December days usually remain above the freezing point, averaging 3 °C (37 °F) during the day, but prepare for colder nights.
We make the most from 40 years of historical weather data to predict the best weather conditions.
Deciding on where to go for a holiday is hard sometimes. Get inspired by the most popular destinations.
We aggregate data from combining multiple weather sources to ensure accuracy of the highest order.