Last updated: August 23, 2025
In October, the average temperature in Karkkila, Finland hovers around 6°C (44°F). Expect chilly days with temperatures dipping as low as -5°C (23°F) and occasionally reaching a mild 17°C (63°F). During this month, 82 mm (3.2 in) of precipitation is spread over about 15 days, making it a quite wet period with an average humidity of 93%. Be prepared for cool, damp conditions!
In October in Karkkila, the average temperature is 6°C (44°F). The maximum can reach 17°C (63°F), and the minimum can be as low as -5°C (23°F). Travelers should be prepared for a range of temperatures, from chilly to mild, so layering clothing is advisable.
In Karkkila in October, the precipitation amount is 82 mm (3.2 in) over the course of 15 days.
In Karkkila in October, humidity is 93%. With an average temperature of 6°C (44°F), this humidity feels like walking through a heavy fog, making travel feel damp and chilly, and leaving you craving warmth and comfort.
In Karkkila 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 Karkkila, you can visit Hourly UV Index in Karkkila.
UV Risk Categories
Weather in Karkkila varies notably across the year, with each month offering distinct climate conditions. This page compares October’s weather to other months in Karkkila, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -3°C (26°F) | 54 mm (2.1 inches) | 97% | low |
| February Weather | -4°C (25°F) | 47 mm (1.8 inches) | 95% | low |
| March Weather | -1°C (30°F) | 50 mm (2.0 inches) | 93% | moderate |
| April Weather | 3°C (38°F) | 43 mm (1.7 inches) | 86% | moderate |
| May Weather | 10°C (50°F) | 59 mm (2.3 inches) | 75% | moderate |
| June Weather | 16°C (61°F) | 61 mm (2.4 inches) | 75% | high |
| July Weather | 18°C (64°F) | 89 mm (3.5 inches) | 80% | high |
| August Weather | 16°C (61°F) | 83 mm (3.3 inches) | 83% | moderate |
| September Weather | 11°C (53°F) | 65 mm (2.6 inches) | 90% | moderate |
| October Weather | 6°C (44°F) | 82 mm (3.2 inches) | 93% | low |
| November Weather | 2°C (37°F) | 56 mm (2.2 inches) | 94% | low |
| December Weather | -2°C (29°F) | 70 mm (2.7 inches) | 95% | low |