Last updated: August 27, 2025
In April, the average temperature in Kostomuksha, Russian Federation hovers around 1°C (33°F). Expect a chilly range, with minimums plunging to -14°C (7°F) and maximums reaching a comparatively mild 19°C (67°F). During this month, precipitation totals 41 mm (1.6 in) over approximately 9 days, while the air carries a moisture-rich average humidity of 88%.
In April in Kostomuksha, the average temperature is 1°C (33°F). Maximum temperatures can reach 19°C (67°F) and minimums can drop as low as -14°C (7°F). Be prepared for a wide range of temperatures during your visit, and pack accordingly for both warm and cold weather.
In Kostomuksha in April, the precipitation amount is 41 mm (1.6 in) spread over 9 days.
In Kostomuksha in April humidity is 88%. With an average temperature of 1°C (33°F), this humidity feels like a damp chill wrapping around you, making it difficult to stay warm while traveling, as each breath carries a heavy, cold moisture that clings to your skin.
In Kostomuksha in April, the maximum UV index is 3, which corresponds to a moderate Exposure Category. The time to burn is approximately 30 minutes. For more details on the hourly UV index in Kostomuksha, you can check the information here.
UV Risk Categories
Weather in Kostomuksha varies notably across the year, with each month offering distinct climate conditions. This page compares April’s weather to other months in Kostomuksha, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -9°C (16°F) | 44 mm (1.7 inches) | 101% | low |
| February Weather | -9°C (15°F) | 37 mm (1.5 inches) | 99% | low |
| March Weather | -5°C (23°F) | 43 mm (1.7 inches) | 93% | low |
| April Weather | 1°C (33°F) | 41 mm (1.6 inches) | 88% | moderate |
| May Weather | 7°C (44°F) | 65 mm (2.5 inches) | 84% | moderate |
| June Weather | 14°C (57°F) | 71 mm (2.8 inches) | 80% | high |
| July Weather | 16°C (61°F) | 80 mm (3.2 inches) | 82% | high |
| August Weather | 14°C (57°F) | 104 mm (4.1 inches) | 88% | moderate |
| September Weather | 8°C (47°F) | 81 mm (3.2 inches) | 91% | moderate |
| October Weather | 3°C (38°F) | 84 mm (3.3 inches) | 96% | low |
| November Weather | -2°C (29°F) | 64 mm (2.5 inches) | 97% | low |
| December Weather | -6°C (22°F) | 60 mm (2.4 inches) | 101% | low |