Last updated: August 23, 2025
In October, the average temperature in Oulainen, Finland hovers around 4°C (40°F). While you might experience chilly lows of -13°C (10°F), it's also possible to revel in a mild high of 20°C (68°F). Be prepared for some wet days, as 83 mm (3.3 in) of precipitation is expected over 15 days, coupled with an average humidity of a remarkable 94%.
In October in Oulainen, the average temperature is 4°C (40°F). Maximums can reach 20°C (68°F), while minimums can drop as low as -13°C (10°F). Be prepared for fluctuating temperatures and pack layers for your trip!
In Oulainen in October, the precipitation amount is 83 mm (3.3 in) spread over 15 days.
In Oulainen in October humidity is 94%. With an average temperature of 4°C (40°F), this humidity feels like a damp chill that clings to your skin, making it uncomfortable for traveling and causing you to feel colder than the actual temperature suggests.
In Oulainen 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 Oulainen, you can visit Hourly UV Index in Oulainen.
UV Risk Categories
Weather in Oulainen varies notably across the year, with each month offering distinct climate conditions. This page compares October’s weather to other months in Oulainen, focusing on differences in temperature, rainfall, humidity, and UV levels.
Temperature | Precipitation | Humidity | UV | |
---|---|---|---|---|
January Weather | -6°C (21°F) | 38 mm (1.5 inches) | 99% | low |
February Weather | -7°C (19°F) | 39 mm (1.5 inches) | 97% | low |
March Weather | -3°C (27°F) | 38 mm (1.5 inches) | 93% | low |
April Weather | 2°C (35°F) | 40 mm (1.6 inches) | 86% | moderate |
May Weather | 8°C (47°F) | 59 mm (2.3 inches) | 80% | moderate |
June Weather | 15°C (59°F) | 57 mm (2.3 inches) | 76% | high |
July Weather | 17°C (63°F) | 74 mm (2.9 inches) | 79% | high |
August Weather | 14°C (58°F) | 93 mm (3.7 inches) | 83% | moderate |
September Weather | 9°C (49°F) | 76 mm (3.0 inches) | 89% | moderate |
October Weather | 4°C (40°F) | 83 mm (3.3 inches) | 94% | low |
November Weather | 0°C (32°F) | 61 mm (2.4 inches) | 94% | low |
December Weather | -4°C (25°F) | 50 mm (2.0 inches) | 98% | low |