Climate and monthly weather forecast
Karlshamn, Sweden

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The climate of Karlshamn

Karlshamn, a town located in Sweden, experiences a Marine west coast climate - denoted as 'Cfb' under the Köppen climate classification. This predominating climate results in warm summers and a significant variance in weather conditions throughout the year.

The average monthly temperatures in Karlshamn range from a high of 20.4°C (68.7°F) in July to a low of -0.8°C (30.6°F) in February. Also, relative humidity levels show minor fluctuations throughout the year. It ranges from 73% in April to 87% in February. Rainfall patterns also exhibit modifications during the year. July has the most precipitation with 40mm (1.57"), while April receives the least with 13mm (0.51").

Remarkably, Karlshamn experiences snowfall predominantly between December and March, with February recording the highest snowfall of 57mm (2.24"). The town also enjoys varying daylight hours, with June boasting the most at 17.6 hours and December the fewest at 7 hours.

The Best Time to Visit Karlshamn

Considering overall climate statistics, the best time to visit Karlshamn tends to be between June and August. During these months, the town enjoys maximum daylight hours that range from 15 to 17.6 hours per day. Also, the temperature during this period fluctuates between a pleasant range of 16.5°C (61.7°F) to 20.4°C (68.7°F), providing ideal conditions for sightseeing and outdoor activities. It is also prudent to mention, however, that July is the wettest month with 40mm (1.57") of rainfall, so visitors should come prepared for some rain despite the warm weather.

The Worst Time to Visit Karlshamn

The coldest period in Karlshamn, from December to February, is usually considered the least ideal for visiting. With high temperatures of only 1.8°C (35.2°F) to 3.6°C (38.5°F) and low temperatures of -0.7°C (30.7°F) to 1.1°C (34°F), the chill of winter can be quite pronounced. Additionally, the short daylight hours, especially in December which averages only 7 hours of daylight, limit the amount of time visitors can spend exploring the town.

Spring Weather in Karlshamn

Spring in Karlshamn, occurring from March to May, witnesses a gradual increase in temperature. The monthly average high temperature starts from 4.9°C (40.8°F) in March and escalates to 13.9°C (57°F) by May end. The relative humidity and rainfall are moderate during this season. Sea temperature stays chilly, starting from 2.3°C (36.1°F) in March and reaching up to 8.5°C (47.3°F) by May.

Summer Weather in Karlshamn

The summer season in Karlshamn spans from June to August and is characterized by warm and pleasant weather. The high temperatures remain steady, fluctuating from 16.5°C (61.7°F) to 20.4°C (68.7°F). This season experiences the longest daylight hours along with consistent sea temperature, staying between 14.2°C (57.6°F) to 17.9°C (64.2°F), offering an inviting option for water activities.

Autumn Weather in Karlshamn

Autumn in Karlshamn, extending from September to November, brings a discernible drop in temperature. It falls from 16.5°C (61.7°F) in September to 7.4°C (45.3°F) in November. Simultaneously, rainfall tends to increase, with October recording 30mm (1.18") of precipitation.

Winter Weather in Karlshamn

Winter conditions prevail in Karlshamn from December to February. The weather becomes cold with the lowest temperature falling to -0.7°C (30.7°F) in February. Moreover, snow is prevalent, especially in February which witnesses the highest snowfall at 57mm (2.24"). The daylight hours become significantly less with December witnessing only seven hours of daylight.

Weather in January

January in Karlshamn, Sweden ushers in the new year with a biting chill. The cold bite of winter is most apparent with lows dipping to -0.7°C (30.7°F). A thick blanket of snow covers the city, giving it a pristine, white appearance that is typical of Nordic winters. Weather in January »

Weather in February

Moving into February, the weather in Karlshamn remains largely similar to January. Snowfall reaches its peak at 57mm (2.24") making it the snowiest month in this period. The wind starts to pick up, howling through the streets at a faster rate, making the cold feel even more intense. Weather in February »

Weather in March

March weather in Karlshamn exhibits a noticeable transition from winter to spring. This month sees snowfall decline sharply to 19mm (0.75"), showing signs of the imminent end of winter. As the month progresses, beautiful flowers begin to bloom, bringing a pop of color to the city's landscape. Weather in March »

Weather in April

April in Karlshamn reveals a more pronounced shift towards spring. A significant rise in sea temperature to 4.5°C (40.1°F) is paralleled by the warming lands. A marked increase in daylight duration means longer, warmer days that are perfect for outdoor activities. Weather in April »

Weather in May

As May descends on Karlshamn, the city basks in a pleasant and comfortable climate. An upswing to 13.9°C (57°F) in temperature infuses life in an otherwise robust winter city. Rainfall increases significantly making the city verdant and full of life. Weather in May »

Weather in June

Summer arrives in Karlshamn in June, bringing in warmer temperatures and longer sun-filled days. At 17.9°C (64.2°F), it's one of the warmest month of the year, perfect for enjoying sandy beaches and clear sea waters. Music festivals and other cultural events liven up the city bringing in an air of festivity. Weather in June »

Weather in July

July in Karlshamn is marked by classic summer weather. The highest known temperature in the year lingers at a mild 20.4°C (68.7°F), which is considerably cooler than summertime in many parts of the world. This month is characterized by the maximum rainfall, amounting to 40mm (1.57"). Weather in July »

Weather in August

Venturing into August, Karlshamn weather remains in the hold of summer but the initial signs of autumn peek through. While the temperatures remain practically identical to those of July, at 20.1°C (68.2°F), indicators of change can be observed in the weather landscape. Weather in August »

Weather in September

September brings a refreshing change in Karlshamn as summer gives way to autumn. The decline in temperatures to 16.5°C (61.7°F) indicate the start of cooler days. The city experiences an increase in rainfall, which rejuvenates the flora, making the landscapes more picturesque. Weather in September »

Weather in October

October in Karlshamn is a display of beautiful autumn character. There is a significant dip in weather conditions as the temperature averages around 11.3°C (52.3°F). With rainfall clocks in at 30mm (1.18"), the city basks in vibrant autumn colors. Weather in October »

Weather in November

November embraces Karlshamn with a colder climate as it transitions into winter. A drop in temperature down to 7.4°C (45.3°F) underscores the retreat of autumn. The distinctive chill of winter begins to settle in, yet the weather conditions remain favorable for outdoor activities. Weather in November »

Weather in December

December in Karlshamn rings in the winter season. The temperature plunges to a low of 3.6°C (38.5°F), evoking a clear sense of a Nordic winter. Snowfall resumes at 35mm (1.38"), creating winter fairy tale landscapes. With just seven daylight hours, the nights become longer and the city is beautifully lit with twinkling festive lights. Weather in December »
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Frequently asked questions

What month is the coldest in Karlshamn?

Karlshamn's January weather reaches an average high of 1.8°C (35.2°F) and an average low of -0.7°C (30.7°F), making it the coldest month.

How much does it rain in Karlshamn?

In Karlshamn, during the entire year, the rain falls for 139.1 days and collects up to 303mm (11.93") of precipitation.

When does it snow in Karlshamn?

Months with snowfall in Karlshamn, Sweden, are January through April, November and December.

How many days does it snow in Karlshamn?

In Karlshamn, during the entire year, snow falls for 33 days and aggregates up to 166mm (6.54") of snow.

What are the months with the least sunshine in Karlshamn?

January and December, with an average of 3.1h of sunshine, are months with the least sunshine in Karlshamn, Sweden.

When is the lowest UV index in Karlshamn?

January is the month with the lowest UV index, with an average maximum UV index of 1.

What is the most humid month in Karlshamn?

With an average relative humidity of 87%, February is the most humid month in Karlshamn.

When does it snow the most in Karlshamn?

February is the month with the most snowfall in Karlshamn. Snow falls for 9.3 days and accumulates 57mm (2.24") of snow.

When is the sea coldest in Karlshamn?

The months with the coldest seawater in Karlshamn, Sweden, are February and March, with an average sea temperature of 2.3°C (36.1°F).

What is the least humid month in Karlshamn?

With an average relative humidity of 73%, April is the least humid month.

What is the driest month in Karlshamn?

The month with the least rainfall is April, when the rain falls for 10.2 days and typically collects 13mm (0.51") of precipitation.

When it does not snow in Karlshamn?

May through October are months without snowfall in Karlshamn, Sweden.

When are the longest days in Karlshamn?

June has the longest days of the year in Karlshamn, Sweden, with an average of 17h and 36min of daylight.

What are the months with the most sunshine in Karlshamn?

June and August, with an average of 10h of sunshine, are months with the most sunshine.

What is the month with the highest UV index in Karlshamn?

The months with the highest UV index in Karlshamn are June and July, with an average maximum UV index of 5.

What is the hottest time of year in Karlshamn?

Karlshamn's July weather, marked by an average high temperature of 20.4°C (68.7°F) and an average low temperature of 14.5°C (58.1°F), is the warmest in the year.

What is the wettest month in Karlshamn?

The month with the most rainfall in Karlshamn is July, when the rain falls for 14.6 days and typically aggregates up to 40mm (1.57") of precipitation.

When is the sea warmest in Karlshamn?

August is the month with the warmest seawater, with an average sea temperature of 17.9°C (64.2°F).

When is Daylight Saving Time (DST) in Karlshamn?

On Sunday, 27. October 2024, at 03:00, Daylight Saving Time ends in Karlshamn, Sweden, and the time zone changes from CEST to CET. The next Daylight Saving Time starts on Sunday, 30. March 2025, at 02:00, and the time zone reverts from CET to CEST.

What is the month with the shortest days in Karlshamn?

The month with the shortest days in Karlshamn, Sweden, is December, with an average of 7h and 0min of daylight.

Average pressure
Karlshamn, Sweden

Average pressure - Karlshamn, Sweden

The months with the highest atmospheric pressure are April and May (1015.5mbar).
The month with the lowest atmospheric pressure is December (1010.8mbar).

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Average wind speed
Karlshamn, Sweden

Average wind speed - Karlshamn, Sweden

The windiest month (with the highest average wind speed) is December (21.1km/h).
The calmest month (with the lowest average wind speed) is June (15.8km/h).

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Average humidity
Karlshamn, Sweden

Average humidity - Karlshamn, Sweden

The month with the highest relative humidity is February (87%).
The month with the lowest relative humidity is April (73%).

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Average rainfall
Karlshamn, Sweden

Average rainfall - Karlshamn, Sweden

The wettest month (with the highest rainfall) is July (40mm).
The driest month (with the least rainfall) is April (13mm).

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Average rainfall days
Karlshamn, Sweden

Average rainfall days - Karlshamn, Sweden

The month with the highest number of rainy days is July (14.6 days).
The month with the least rainy days is February (8.9 days).

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Average snowfall
Karlshamn, Sweden

Average snowfall - Karlshamn, Sweden

The month with the highest snowfall is February (57mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).

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Average snowfall days
Karlshamn, Sweden

Average snowfall days - Karlshamn, Sweden

The month with the highest number of snowfall days is January (10.5 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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Average sea temperature
Karlshamn, Sweden

Average sea temperature - Karlshamn, Sweden

The best month for swimming (with the highest average sea temperature) is August (17.9°C).
The coldest months (with the lowest average sea temperature) are February and March (2.3°C).

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Average daylight / Average sunshine
Karlshamn, Sweden

Average daylight / Average sunshine - Karlshamn, Sweden

The month with the longest days is June (Average daylight: 17h and 36min).
The month with the shortest days is December (Average daylight: 7h and 0min).

The months with the most sunshine are June and August (Average sunshine: 10h and 0min).
The months with the least sunshine are January and December (Average sunshine: 3h and 6min).

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Average sunshine days
Karlshamn, Sweden

Average sunshine days - Karlshamn, Sweden

The month with the most sunshine days is April (17.4 days).
The month with the least sunshine days is February (10.7 days).

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Average visibility
Karlshamn, Sweden

Average visibility - Karlshamn, Sweden

The months with the highest visibility are April, May, June, July, August, September and October (10km).
The months with the lowest visibility are January, February, March, November and December (9km).

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Karlshamn, Sweden

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