Last updated: August 23, 2025
In January, the average temperature in Kouvola, Finland hovers around -4°C (26°F). Temperatures can swing dramatically, with a minimum of -26°C (-14°F) and a maximum reaching 8°C (46°F). Expect 52 mm (2.0 in) of precipitation over approximately 12 days, contributing to an average humidity level of 98%. Be prepared for a chilly and moist atmosphere!
In January in Kouvola, the average temperature is -4°C (26°F), with maximums reaching 8°C (46°F) and minimums plummeting as low as -26°C (-14°F). Travelers should be prepared for cold conditions and pack accordingly for winter adventures.
In Kouvola in January, the precipitation amount is 52 mm (2.0 in) over a span of 12 days.
In Kouvola in January humidity is 98%. With an average temperature of -4°C (26°F), this humidity feels like a bone-chilling embrace, making it difficult to enjoy outdoor activities and travel comfortably.
In Kouvola in January, the maximum UV index is 1, which corresponds to a low Exposure Category. This means you have a time to burn of 45 minutes. For more details, you can check the Hourly UV Index in Kouvola.
UV Risk Categories
Weather in Kouvola varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in Kouvola, focusing on differences in temperature, rainfall, humidity, and UV levels.
Temperature | Precipitation | Humidity | UV | |
---|---|---|---|---|
January Weather | -4°C (26°F) | 52 mm (2.0 inches) | 98% | low |
February Weather | -5°C (24°F) | 52 mm (2.1 inches) | 96% | low |
March Weather | -2°C (29°F) | 46 mm (1.8 inches) | 93% | moderate |
April Weather | 4°C (39°F) | 44 mm (1.7 inches) | 87% | moderate |
May Weather | 10°C (51°F) | 50 mm (2.0 inches) | 75% | moderate |
June Weather | 16°C (62°F) | 52 mm (2.0 inches) | 74% | high |
July Weather | 18°C (64°F) | 77 mm (3.0 inches) | 80% | high |
August Weather | 16°C (61°F) | 82 mm (3.2 inches) | 85% | moderate |
September Weather | 11°C (53°F) | 61 mm (2.4 inches) | 90% | moderate |
October Weather | 6°C (44°F) | 75 mm (2.9 inches) | 94% | low |
November Weather | 2°C (36°F) | 56 mm (2.2 inches) | 94% | low |
December Weather | -2°C (29°F) | 76 mm (3.0 inches) | 96% | low |