Last updated: August 23, 2025
In October, the average temperature in Sonkajaervi, Finland hovers around 4°C (39°F). Expect the temperature to range from a chilly -10°C (15°F) at its lowest to a mild 20°C (68°F) at its peak. It's a wet period too, with 89 mm (3.5 in) of precipitation spread over 15 days, and the air is quite humid, boasting an average humidity of 95%. Stay warm and prepared for the elements!
In October in Sonkajaervi, the average temperature is 4°C (39°F). The maximum can reach 20°C (68°F), while the minimum can drop as low as -10°C (15°F). Be prepared for a wide range of temperatures during your travels, so pack accordingly!
In Sonkajaervi in October, the precipitation amount is 89 mm (3.5 in) during 15 days of the month.
In Sonkajaervi in October humidity is 95%. With an average temperature of 4°C (39°F), this humidity feels like walking through a damp, chilly fog that clings to your skin, making every step feel heavy and every breath a reminder of the cold, damp air surrounding you, creating a uniquely uncomfortable experience for traveling.
In Sonkajaervi 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 Sonkajaervi, you can visit Hourly UV Index in Sonkajaervi.
UV Risk Categories
Weather in Sonkajaervi varies notably across the year, with each month offering distinct climate conditions. This page compares October’s weather to other months in Sonkajaervi, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -7°C (19°F) | 48 mm (1.9 inches) | 99% | low |
| February Weather | -8°C (18°F) | 45 mm (1.8 inches) | 97% | low |
| March Weather | -4°C (25°F) | 45 mm (1.8 inches) | 95% | low |
| April Weather | 1°C (35°F) | 45 mm (1.8 inches) | 87% | moderate |
| May Weather | 8°C (47°F) | 57 mm (2.2 inches) | 78% | moderate |
| June Weather | 15°C (59°F) | 73 mm (2.9 inches) | 74% | high |
| July Weather | 17°C (62°F) | 90 mm (3.5 inches) | 80% | high |
| August Weather | 14°C (58°F) | 102 mm (4.0 inches) | 85% | moderate |
| September Weather | 9°C (48°F) | 85 mm (3.3 inches) | 91% | moderate |
| October Weather | 4°C (39°F) | 89 mm (3.5 inches) | 95% | low |
| November Weather | -1°C (31°F) | 80 mm (3.1 inches) | 94% | low |
| December Weather | -5°C (24°F) | 64 mm (2.5 inches) | 98% | low |