Last updated: August 27, 2025
In Sestroretsk, Russian Federation, the average temperature in December hovers around -2°C (29°F), with a notable range that sees minimums plummet to -19°C (-1°F) and highs reaching up to 5°C (41°F). Expect 75 mm (2.9 in) of precipitation spread over 18 days, coupled with a high average humidity of 94%, making for a chilly yet atmospheric month.
In December in Sestroretsk, the average temperature is -2°C (29°F), with maximums reaching 5°C (41°F) and minimums plummeting to -19°C (-1°F). Travelers should be prepared for chilly conditions and dress in layers to stay warm.
In Sestroretsk in December, the precipitation amount is 75 mm (2.9 in) spread over 18 days, reflecting the typical weather patterns of the region during that time of year.
In Sestroretsk in December, humidity is 94%. With an average temperature of -2°C (29°F), this humidity feels like a bitter chill that seeps into your bones, making travel uncomfortable and causing your breath to steam in the cold air.
In Sestroretsk in December, 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 Sestroretsk.
UV Risk Categories
Weather in Sestroretsk varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Sestroretsk, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -4°C (26°F) | 43 mm (1.7 inches) | 97% | low |
| February Weather | -4°C (25°F) | 54 mm (2.1 inches) | 94% | low |
| March Weather | -2°C (29°F) | 54 mm (2.1 inches) | 90% | moderate |
| April Weather | 3°C (38°F) | 48 mm (1.9 inches) | 86% | moderate |
| May Weather | 10°C (50°F) | 49 mm (1.9 inches) | 71% | moderate |
| June Weather | 16°C (62°F) | 53 mm (2.1 inches) | 77% | high |
| July Weather | 18°C (65°F) | 87 mm (3.4 inches) | 82% | high |
| August Weather | 17°C (63°F) | 131 mm (5.1 inches) | 86% | moderate |
| September Weather | 13°C (55°F) | 92 mm (3.6 inches) | 90% | moderate |
| October Weather | 7°C (45°F) | 103 mm (4.0 inches) | 93% | low |
| November Weather | 3°C (37°F) | 68 mm (2.7 inches) | 93% | low |
| December Weather | -2°C (29°F) | 75 mm (2.9 inches) | 94% | low |