Last updated: August 27, 2025
In December, the average temperature in Syas'stroy, Russian Federation hovers around -3°C (27°F), with extremes ranging from a frigid -21°C (-5°F) to a maximum of 4°C (40°F). Expect a wet month, with 70 mm (2.7 in) of precipitation spread over 17 days, resulting in a high average humidity of 95%. Be prepared for chilly, damp conditions!
In December in Syas'stroy, the average temperature is -3°C (27°F). The maximum can reach 4°C (40°F), while the minimum can be as low as -21°C (-5°F). Travelers should be prepared for cold conditions and pack accordingly to enjoy their stay.
In Syas'stroy in December, the precipitation amount is 70 mm (2.7 in) over the course of 17 days.
In Syas'stroy in December, humidity is 95%. With an average temperature of -3°C (27°F), this humidity feels like a biting chill that penetrates your clothes, making every breath feel heavy and damp, which can be quite uncomfortable for traveling.
In Syas'stroy 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 Syas'stroy.
UV Risk Categories
Weather in Syas'stroy varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Syas'stroy, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -5°C (24°F) | 45 mm (1.8 inches) | 98% | low |
| February Weather | -5°C (23°F) | 51 mm (2.0 inches) | 96% | low |
| March Weather | -3°C (28°F) | 53 mm (2.1 inches) | 94% | moderate |
| April Weather | 1°C (35°F) | 47 mm (1.9 inches) | 88% | moderate |
| May Weather | 8°C (47°F) | 54 mm (2.1 inches) | 78% | moderate |
| June Weather | 17°C (63°F) | 65 mm (2.6 inches) | 76% | high |
| July Weather | 19°C (66°F) | 113 mm (4.5 inches) | 83% | high |
| August Weather | 18°C (64°F) | 138 mm (5.4 inches) | 86% | moderate |
| September Weather | 13°C (55°F) | 98 mm (3.8 inches) | 91% | moderate |
| October Weather | 7°C (45°F) | 104 mm (4.1 inches) | 93% | low |
| November Weather | 2°C (37°F) | 75 mm (2.9 inches) | 93% | low |
| December Weather | -3°C (27°F) | 70 mm (2.7 inches) | 95% | low |