Last updated: August 27, 2025
In October, the average temperature in Karlshamn, Sweden hovers around 10°C (50°F), making it a cool yet engaging time to explore. Be prepared for a range in temperatures, with minimums dropping to -1°C (31°F) and maximums reaching up to 17°C (63°F). This month also experiences 84 mm (3.3 in) of precipitation over approximately 13 days, so an umbrella might come in handy. With an average humidity of 90%, the air may feel quite damp—perfect for cozy indoor activities!
In October in Karlshamn, the average temperature is 10°C (50°F), with maximums reaching up to 17°C (63°F) and minimums dropping as low as -1°C (31°F). It's advisable for travelers to pack layers to stay comfortable in varying temperatures.
In Karlshamn in October, the precipitation amount is 84 mm (3.3 in) during 13 days, indicating a relatively wet period for that time of year.
In Karlshamn in October humidity is 90%. With an average temperature of 10°C (50°F), this humidity feels like a chilly, damp blanket enveloping you, making traveling uncomfortable as the cool air mixed with high moisture can lead to persistent chilliness and a constant sense of being wet, even while walking around.
In Karlshamn in October, the maximum UV index is 3, which corresponds to a moderate Exposure Category. The time to burn is approximately 30 minutes. For more details on the hourly UV index in Karlshamn, you can check the information here.
UV Risk Categories
Weather in Karlshamn varies notably across the year, with each month offering distinct climate conditions. This page compares October’s weather to other months in Karlshamn, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 2°C (35°F) | 51 mm (2.0 inches) | 92% | low |
| February Weather | 1°C (35°F) | 62 mm (2.5 inches) | 91% | low |
| March Weather | 3°C (37°F) | 59 mm (2.3 inches) | 89% | moderate |
| April Weather | 6°C (43°F) | 34 mm (1.3 inches) | 82% | moderate |
| May Weather | 11°C (52°F) | 52 mm (2.0 inches) | 70% | high |
| June Weather | 16°C (62°F) | 50 mm (2.0 inches) | 65% | high |
| July Weather | 17°C (64°F) | 68 mm (2.7 inches) | 65% | high |
| August Weather | 17°C (63°F) | 82 mm (3.2 inches) | 71% | high |
| September Weather | 14°C (57°F) | 64 mm (2.5 inches) | 82% | moderate |
| October Weather | 10°C (50°F) | 84 mm (3.3 inches) | 90% | moderate |
| November Weather | 6°C (43°F) | 57 mm (2.2 inches) | 92% | low |
| December Weather | 3°C (37°F) | 77 mm (3.0 inches) | 91% | low |