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.
Karlskrona Travel Guide
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)
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Karlskrona Temperatures (Celsius)
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“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)
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Karlskrona Perceived Temperature (C)
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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.
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Snow on the Ground
The graph below shows the average snow on the ground in Karlskrona (in).
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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.
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Wind
The graph below shows wind speed (max and average) in knots.
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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 somewhat safe. As of Dec 04, 2023 there are travel warnings for Sweden; exercise a high degree of caution. Check this page for any recent changes or regions to avoid: Travel Advice and Advisories. This advisory was last updated on Oct 26, 2023.
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
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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.
Best Times to Travel› Sweden › Karlskrona, Sweden