The best times to visit Karlskrona for ideal weather are

May 28th to October 7th

based on average temperature and humidity from NOAA (the National Oceanic and Atmospheric Administration). Read below for more weather and travel details.

 

 


Other Karlskrona Travel Info

Weather in Karlskrona

Temperature

Average temperatures in Karlskrona vary greatly. Considering humidity, temperatures feel cold for about half of the year and otherwise nice with a low chance of precipitation most of the year. The area is somewhat temperate — in the 41st percentile for pleasant weather — compared to tourist destinations worldwide. Weeks with ideal weather are listed above. If you’re looking for the very warmest time to visit Karlskrona, the hottest months are July, August, and then June. See average monthly temperatures below. The warmest time of year is generally early August where highs are regularly around 72.3°F (22.4°C) with temperatures rarely dropping below 61.3°F (16.3°C) at night.

Karlskrona Temperatures (Fahrenheit)

Key
High
Average
Low

Karlskrona Temperatures (Celsius)

Key
High
Average
Low

“Feels-Like” Temperatures

The way we experience weather isn’t all about temperature. Higher temperatures affect us much more at higher humidity, and colder temperatures feel piercing with high winds. Our perceived temperatures factor in humidity and wind chill to better represent how hot or cold the day feels to a person.

Karlskrona Perceived Temperature (F)

Key
High
Average
Low

Karlskrona Perceived Temperature (C)

Key
High
Average
Low

 

Average Karlskrona Temperatures by Month

Daily highs (averaged for the month) usually give the best indication of the weather. A significantly lower mean and low generally just means it gets colder at night.

Show Fahrenheit

Month Avg. High (°F) Avg. Mean (°F) Avg. Low (°F)
Jan 36.5 33.5 30
Feb 35.2 31.6 27.8
Mar 42.2 36.7 32.2
Apr 50.5 43.8 38.6
May 58.1 52.1 47.1
Jun 65.1 59 54
Jul 71.4 65.2 60.1
Aug 70.2 64.4 59.6
Sep 62.9 57.3 52.6
Oct 53.8 49.9 46
Nov 47 44 40.9
Dec 38.7 35.4 31.6

Show Celsius

Month Avg. High (°C) Avg. Mean (°C) Avg. Low (°C)
Jan 2.5 0.8 -1.1
Feb 1.8 -0.2 -2.3
Mar 5.7 2.6 0.1
Apr 10.3 6.6 3.7
May 14.5 11.2 8.4
Jun 18.4 15 12.2
Jul 21.9 18.4 15.6
Aug 21.2 18 15.3
Sep 17.2 14.1 11.4
Oct 12.1 9.9 7.8
Nov 8.3 6.7 4.9
Dec 3.7 1.9 -0.2

 


 

Precipitation (Rain or Snow)

If dry weather is what you’re after, the months with the lowest chance of significant precipitation in Karlskrona are March, February, and then April. Note that we define “significant precipitation” as .1 inches or more in this section. The lowest chance of rain or snow occurs around early to mid March. For example, on the week of March 12th there are no days of precipitation on average. By contrast, it’s most likely to rain or snow in mid to late November with an average of 2 days of significant precipitation the week of November 19th.

When can you find snow in Karlskrona? Weather stations report no annual snow. Please note that a value of 0 for snow in the graph below may either mean there was no snow, or that snow is unreported.

Chance of Precipitation

The graph below shows the % chance of rainy and snowy days in Karlskrona.

Key
Days with precipitation

Snow on the Ground

The graph below shows the average snow on the ground in Karlskrona (in).

Key
Snow depth

Average Rain and Snow by Month

Show Inches

Month Daily Chance of Rain Average Snow Depth (in) Total Precipitation (in)
Jan 15% 0 1.3
Feb 9% 0 0.7
Mar 5% 0 0.6
Apr 12% 0 1.1
May 13% 0 1.6
Jun 20% 0 1.8
Jul 18% 0 2.9
Aug 15% 0 1.7
Sep 14% 0 1.3
Oct 16% 0 1.7
Nov 20% 0 1.8
Dec 18% 0 1.4

Show Centimeters

Month Daily Chance of Rain Average Snow Depth (cm) Total Precipitation (cm)
Jan 15 0 3.3
Feb 9 0 1.8
Mar 5 0 1.5
Apr 12 0 2.8
May 13 0 4.1
Jun 20 0 4.6
Jul 18 0 7.4
Aug 15 0 4.3
Sep 14 0 3.3
Oct 16 0 4.3
Nov 20 0 4.6
Dec 18 0 3.6

 

Humidity and Wind

Karlskrona has some extremely humid months, and high humidity throughout the year. The least humid month is April (71.6% relative humidity), and the most humid month is November (88.1%).

Wind in Karlskrona is usually moderate. The windiest month is December, followed by February and November. December’s average wind speed of around 12.9 knots (14.8 MPH or 23.8 KPH) is considered “a moderate breeze.” Maximum sustained winds (the highest speed for the day lasting more than a few moments) are at their highest in early to mid December where average top sustained speeds reach 19.7 knots, which is considered a fresh breeze.

Relative Humidity (%)

The graph below shows the average % humidity by month in Karlskrona.

Key
Avg. Relative Humidity

Wind

The graph below shows wind speed (max and average) in knots.

Key
Max Sustained Wind
Average Daily Wind

Average Wind Speeds

Show Wind Speeds

All wind speeds are in knots. 1 knot = 1.15 MPH or 1.85 KPH.

Month Avg. Wind Avg. Wind Feel Sustained High Wind High Wind Feel
Jan 10.9 Gentle breeze 16.5 Significant breeze
Feb 11 Significant breeze 16.8 Significant breeze
Mar 10.5 Gentle breeze 16.4 Significant breeze
Apr 9.5 Gentle breeze 15.8 Significant breeze
May 10.3 Gentle breeze 16.6 Significant breeze
Jun 9.6 Gentle breeze 15.8 Significant breeze
Jul 8.2 Gentle breeze 14.3 Significant breeze
Aug 8.9 Gentle breeze 14.7 Significant breeze
Sep 9.5 Gentle breeze 15.2 Significant breeze
Oct 10.1 Gentle breeze 15.9 Significant breeze
Nov 11 Significant breeze 16.9 Significant breeze
Dec 12.9 Significant breeze 19 Strong breeze

Show Relative Humidity by Month

Month Avg. Relative Humidity
Jan 83.2%
Feb 79.7%
Mar 73.4%
Apr 71.6%
May 74.6%
Jun 75.7%
Jul 77.4%
Aug 78.5%
Sep 80.8%
Oct 83%
Nov 88.1%
Dec 84.4%

 

Is it Safe to Travel to Karlskrona?

Our best data indicates this area is generally safe. As of Oct 07, 2019 there are no travel advisories or warnings for Sweden; exercise normal security precautions. Check this page for any recent changes or regions to avoid: Travel Advice and Advisories. This advisory was last updated on Aug 22, 2019.


 

The Busiest and Least Crowded Months

The busiest month for tourism in Karlskrona, Sweden is May, followed by August and January. Prices for hotels and flights will be most expensive during these months, though you can save if you purchase well in advance. Tourists are unlikely to visit Karlskrona in November. Those willing to visit at these times will likely find it the least expensive month.

Estimated Tourism by Month

 

Most Popular Months to Visit

Key
Tourists Seeking Accommodations

Tourism graph is based on Google searches for services used by tourists relative to the rest of the year. Tourism data for this area is extrapolated based on nearby areas. Displayed data is calculated relative to the peak, so a score of 63.3 in November means 63.3% of the tourists vs. May.

 

 

Overall Karlskrona Travel Experience by Season

Spring (March through May)

Humidity and temperatures combine to make this season feel moderately cold. Highs range from 62.8°F (17.1°C) and 39.9°F (4.4°C) with warmer temperatures in the later months. Rain is rare with 1 to 4 days of significant precipitation per month. Spring is the second busiest for tourism, which makes it a good time for those looking for things to do.

Summer (June through August)

The middle-year months have comfortably cool weather with high temperatures that are comfortable. These months see the most precipitation with 4 to 6 days of precipitation per month. June – August is the busiest season for tourism in Karlskrona, so lodging and other accommodations may cost more than usual.

Fall (September through November)

Fall daily highs range from 65.6°F (18.7°C) and 40.8°F (4.9°C), which will feel chilly given the humidity and wind. It rains or snows a significant amount: 4 to 6 days per month. Tourism is the slowest during these months due to the weather, so hotels may be affordably priced.

Winter (December through February)

Weather is far too cold this time of year in Karlskrona to be enjoyable for warm weather travelers. The average high during this season is between 39.9°F (4.4°C) and 32.9°F (0.5°C). On average, it rains or snows a fair amount: 2 to 6 times per month. These times of year are fairly slow with tourists.

 

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