Last updated: August 23, 2025
In October, the average temperature in Heinaevesi, Finland hovers around 5°C (41°F), with min temperatures dipping to -6°C (22°F) and peaking at 18°C (64°F). Expect a precipitation amount of 79 mm (3.1 in) spread over 16 days, accompanied by a high average humidity of 95%.
In October in Heinaevesi, the average temperature is 5°C (41°F), with maximums reaching 18°C (64°F) and minimums dropping as low as -6°C (22°F). Be prepared for a range of temperatures and pack accordingly for your travels.
In Heinaevesi in October, the precipitation amount is 79 mm (3.1 in) over a period of 16 days.
In Heinaevesi in October, humidity is 95%. With an average temperature of 5°C (41°F), this humidity feels like a damp and chilly blanket, making travel uncomfortable as the cold moisture clings to your skin and saps your energy.
In Heinaevesi 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 Heinaevesi, you can visit Hourly UV Index in Heinaevesi.
UV Risk Categories
Weather in Heinaevesi varies notably across the year, with each month offering distinct climate conditions. This page compares October’s weather to other months in Heinaevesi, focusing on differences in temperature, rainfall, humidity, and UV levels.
Temperature | Precipitation | Humidity | UV | |
---|---|---|---|---|
January Weather | -6°C (21°F) | 49 mm (1.9 inches) | 99% | low |
February Weather | -7°C (20°F) | 44 mm (1.7 inches) | 98% | low |
March Weather | -3°C (27°F) | 47 mm (1.8 inches) | 95% | moderate |
April Weather | 2°C (35°F) | 43 mm (1.7 inches) | 87% | moderate |
May Weather | 9°C (48°F) | 61 mm (2.4 inches) | 78% | moderate |
June Weather | 16°C (61°F) | 67 mm (2.6 inches) | 75% | high |
July Weather | 17°C (63°F) | 81 mm (3.2 inches) | 83% | high |
August Weather | 15°C (60°F) | 87 mm (3.4 inches) | 88% | moderate |
September Weather | 10°C (50°F) | 85 mm (3.4 inches) | 92% | moderate |
October Weather | 5°C (41°F) | 79 mm (3.1 inches) | 95% | low |
November Weather | 1°C (33°F) | 64 mm (2.5 inches) | 94% | low |
December Weather | -4°C (25°F) | 70 mm (2.7 inches) | 98% | low |