Last updated: August 23, 2025
In August, the average temperature in Heinaevesi, Finland hovers around 15°C (60°F). However, temperatures can fluctuate significantly, with a minimum of 7°C (45°F) and soaring up to a maximum of 30°C (87°F). Expect 87 mm (3.4 in) of precipitation spread over 14 days, contributing to the notably high average humidity of 88%. Be prepared for a mix of weather during your visit!
In August in Heinaevesi, the average temperature is 15°C (60°F). Maximums can reach 30°C (87°F) and minimums can be as low as 7°C (45°F). It's an ideal time for traveling, offering pleasant weather for exploring the sights or enjoying outdoor activities.
In Heinaevesi in August, the precipitation amount is 87 mm (3.4 in) over a span of 14 days.
In Heinaevesi in August humidity is 88%. With an average temperature of 15°C (60°F), this humidity feels like a damp embrace, making travel feel sluggish and heavy, as the air clings to your skin and every step requires more effort than usual.
In Heinaevesi in August, the maximum UV index reaches 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, you can check the 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 August’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 |