Karlskrona Climate by Month
Karlskrona, Blekinge, Sweden
Mild summers and cold winters, with rain spread through the year.
Karlskrona has mild summers and cold winters, with rain spread through the year. Expect highs of 71°F (22°C) in July and 37°F (3°C) in January, with the coldest nights (February) near 29°F (-2°C). About 22 in (568 mm) of rain falls in a typical year, with no clear rainy season. The air is humid, averaging 82% relative humidity.
- Warmest month
- 71°F(22°C)
- Average high, July
- Coldest nights
- 29°F(-2°C)
- Average low, February
- Rain per year
- 22 in(568 mm)
- No clear rainy season
- Humidity
- 82%
- Sunniest: June
Best and worst months in Karlskrona
Best for weatherThe most comfortable weather comes from June to August, with highs around 70°F (21°C) and about 2.2 in (55 mm) of rain a month.
Least pleasantJanuary is the least pleasant month: it's the coldest, with highs of only 37°F (3°C).
Comfort combines how close the afternoon high is to 75°F (24°C) with how much rain falls and how humid it is. See where the weather is best in July.
Temperature and rain through the year
Highs and lows (°F)
Average highAverage low
Rain (in per month)
Karlskrona weather by month
| Month | High | Low | Rain | Humidity | Sun |
|---|---|---|---|---|---|
| JanJanuary | 37°F(3°C) | 29°F(-1°C) | 1.8 in(46 mm) | 93% | 0.5 |
| FebFebruary | 38°F(3°C) | 29°F(-2°C) | 1.5 in(39 mm) | 78% | 1.1 |
| MarMarch | 42°F(5°C) | 31°F(-1°C) | 1.1 in(29 mm) | 83% | 2.5 |
| AprApril | 51°F(10°C) | 36°F(2°C) | 1.0 in(26 mm) | 74% | 4.2 |
| MayMay | 60°F(16°C) | 44°F(7°C) | 1.3 in(34 mm) | 76% | 5.5 |
| JunJuneBest | 67°F(20°C) | 51°F(11°C) | 1.9 in(47 mm) | 75% | 6.1 |
| JulJulyBest | 71°F(22°C) | 56°F(13°C) | 2.4 in(60 mm) | 80% | 5.6 |
| AugAugustBest | 71°F(22°C) | 55°F(13°C) | 2.3 in(58 mm) | 81% | 4.6 |
| SepSeptember | 63°F(17°C) | 50°F(10°C) | 2.2 in(55 mm) | 85% | 2.9 |
| OctOctober | 53°F(12°C) | 43°F(6°C) | 2.3 in(58 mm) | 87% | 1.4 |
| NovNovember | 45°F(7°C) | 37°F(3°C) | 2.4 in(60 mm) | 92% | 0.5 |
| DecDecember | 40°F(4°C) | 32°F(0°C) | 2.2 in(56 mm) | 84% | 0.3 |
1991–2020 averages. Sun is solar radiation in kWh/m² per day. Highlighted: the most comfortable months.
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