Last updated: August 23, 2025
In October, the average temperature in Nykarleby, Finland hovers around 6°C (42°F). Expect a chilly range, with minimum temperatures dipping to -8°C (18°F) and peaking at a mild 19°C (66°F). During this time, precipitation amounts to 83 mm (3.2 in) over about 15 days, contributing to an average humidity of a brisk 92%. Prepare for a wet and cool experience!
In October in Nykarleby, the average temperature is 6°C (42°F), with maximums reaching 19°C (66°F) and minimums dropping as low as -8°C (18°F). Travelers should be prepared for a wide range of temperatures, so layering is essential for comfort.
In Nykarleby in October, the precipitation amount is 83 mm (3.2 in) over a duration of 15 days.
In Nykarleby in October humidity is 92%. With an average temperature of 6°C (42°F), this humidity feels like a damp chill that clings to your skin, making outdoor adventures feel more challenging and less inviting as the frigid air, combined with the heavy moisture, weighs down your spirits and leaves you yearning for warmth.
In Nykarleby in October, the maximum UV index is 2, which corresponds to a low exposure category. With this level of UV radiation, the time to burn is approximately 45 minutes. To learn more about the hourly UV index in Nykarleby, you can visit Hourly UV Index in Nykarleby.
UV Risk Categories
Weather in Nykarleby varies notably across the year, with each month offering distinct climate conditions. This page compares October’s weather to other months in Nykarleby, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -4°C (25°F) | 36 mm (1.4 inches) | 95% | low |
| February Weather | -5°C (23°F) | 40 mm (1.6 inches) | 93% | low |
| March Weather | -2°C (29°F) | 40 mm (1.6 inches) | 91% | moderate |
| April Weather | 2°C (37°F) | 40 mm (1.6 inches) | 85% | moderate |
| May Weather | 8°C (47°F) | 48 mm (1.9 inches) | 77% | moderate |
| June Weather | 15°C (59°F) | 51 mm (2.0 inches) | 74% | high |
| July Weather | 17°C (63°F) | 63 mm (2.5 inches) | 80% | high |
| August Weather | 15°C (60°F) | 82 mm (3.2 inches) | 82% | moderate |
| September Weather | 11°C (51°F) | 71 mm (2.8 inches) | 88% | moderate |
| October Weather | 6°C (42°F) | 83 mm (3.2 inches) | 92% | low |
| November Weather | 1°C (35°F) | 57 mm (2.2 inches) | 92% | low |
| December Weather | -2°C (29°F) | 47 mm (1.9 inches) | 93% | low |