Last updated: August 23, 2025
In August, the average temperature in Kotka, Finland hovers around 17°C (62°F). Expect a minimum of 8°C (46°F) and the possibility of reaching a comfortable maximum of 29°C (85°F). Be prepared for some rain, as precipitation averages 88 mm (3.5 in) over 13 days, and the average humidity is a moist 85%.
In August in Kotka, the average temperature is 17°C (62°F). The maximum can reach 29°C (85°F), while the minimum can drop as low as 8°C (46°F). This pleasant range makes it an ideal time for travelers to explore and enjoy outdoor activities.
In Kotka in August, the precipitation amount is 88 mm (3.5 in) spread over 13 days.
In Kotka in August humidity is 85%. With an average temperature of 17°C (62°F), this humidity feels like a warm, heavy blanket enveloping you, making travel somewhat uncomfortable as you navigate the thick, moist air that clings to your skin and slows your pace.
In Kotka 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 Kotka.
UV Risk Categories
Weather in Kotka varies notably across the year, with each month offering distinct climate conditions. This page compares August’s weather to other months in Kotka, focusing on differences in temperature, rainfall, humidity, and UV levels.
Temperature | Precipitation | Humidity | UV | |
---|---|---|---|---|
January Weather | -3°C (27°F) | 55 mm (2.2 inches) | 98% | low |
February Weather | -4°C (25°F) | 55 mm (2.2 inches) | 96% | low |
March Weather | -1°C (30°F) | 49 mm (1.9 inches) | 93% | moderate |
April Weather | 4°C (39°F) | 43 mm (1.7 inches) | 87% | moderate |
May Weather | 10°C (50°F) | 48 mm (1.9 inches) | 75% | moderate |
June Weather | 16°C (61°F) | 48 mm (1.9 inches) | 74% | high |
July Weather | 18°C (64°F) | 75 mm (3.0 inches) | 80% | high |
August Weather | 17°C (62°F) | 88 mm (3.5 inches) | 85% | moderate |
September Weather | 12°C (54°F) | 66 mm (2.6 inches) | 90% | moderate |
October Weather | 7°C (45°F) | 86 mm (3.4 inches) | 94% | low |
November Weather | 3°C (38°F) | 66 mm (2.6 inches) | 94% | low |
December Weather | -1°C (30°F) | 81 mm (3.2 inches) | 96% | low |