Last updated: August 27, 2025
In December, the average temperature in Ostrovnoy, Russian Federation hovers around -5°C (22°F), with minimum temperatures plummeting to -19°C (-1°F) and a maximum reaching up to 3°C (38°F). During this chilly month, expect about 43 mm (1.7 in) of precipitation spread over 14 days, accompanied by a strikingly high average humidity of 100%.
In December, in Ostrovnoy, the average temperature is -5°C (22°F). Maximum temperatures can reach 3°C (38°F), while minimums can drop as low as -19°C (-1°F). Be prepared for cold conditions and dress in layers for your travels during this chilly month.
In Ostrovnoy in December, the precipitation amount is 43 mm (1.7 in) over a span of 14 days.
In Ostrovnoy in December, humidity is 100%. With an average temperature of -5°C (22°F), this humidity feels like a thick, icy blanket enveloping you, making each breath a struggle and transforming every step into a slippery challenge, perfect for those who brave the elements with the right gear but daunting for casual travelers.
In Ostrovnoy in December, the maximum UV index is 0, which corresponds to a low Exposure Category. The time to burn is approximately 45 minutes. For detailed information, you can check the Hourly UV Index in Ostrovnoy.
UV Risk Categories
Weather in Ostrovnoy varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Ostrovnoy, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -8°C (18°F) | 42 mm (1.7 inches) | 99% | low |
| February Weather | -8°C (17°F) | 45 mm (1.8 inches) | 99% | low |
| March Weather | -6°C (22°F) | 43 mm (1.7 inches) | 94% | low |
| April Weather | -2°C (29°F) | 47 mm (1.8 inches) | 90% | moderate |
| May Weather | 2°C (36°F) | 65 mm (2.6 inches) | 85% | moderate |
| June Weather | 7°C (45°F) | 75 mm (2.9 inches) | 85% | moderate |
| July Weather | 12°C (53°F) | 57 mm (2.2 inches) | 86% | moderate |
| August Weather | 11°C (51°F) | 84 mm (3.3 inches) | 90% | moderate |
| September Weather | 8°C (46°F) | 78 mm (3.1 inches) | 92% | moderate |
| October Weather | 2°C (36°F) | 76 mm (3.0 inches) | 95% | low |
| November Weather | -2°C (29°F) | 64 mm (2.5 inches) | 97% | low |
| December Weather | -5°C (22°F) | 43 mm (1.7 inches) | 100% | low |