Last updated: August 22, 2025
In December, the average temperature in Longjiang, China hovers around -15°C (5°F). Expect extreme chill with a minimum of -29°C (-19°F), while the mercury may peak at a milder 7°C (45°F). Along with this cold snap, precipitation is minimal at just 4 mm (0.1 in) over 0 days, and the average humidity sits at a brisk 62%.
In December in Longjiang, the average temperature is -15°C (5°F), with maximums reaching 7°C (45°F) and minimums dropping as low as -29°C (-19°F). Be prepared for extreme cold and dress warmly if you plan to travel during this time.
In Longjiang in December, the precipitation amount is 4 mm (0.1 in) recorded over a span of 0 days.
In Longjiang in December, humidity is 62%. With an average temperature of -15°C (5°F), this humidity feels like a biting chill settling into your bones, making travel uncomfortable and urging you to seek warmth at every opportunity.
In Longjiang 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 Longjiang.
UV Risk Categories
Weather in Longjiang varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Longjiang, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -17°C (2°F) | 2 mm (0.1 inches) | 70% | low |
| February Weather | -12°C (10°F) | 4 mm (0.2 inches) | 60% | moderate |
| March Weather | -1°C (30°F) | 5 mm (0.2 inches) | 60% | moderate |
| April Weather | 8°C (47°F) | 23 mm (0.9 inches) | 57% | high |
| May Weather | 16°C (60°F) | 38 mm (1.5 inches) | 58% | very high |
| June Weather | 21°C (69°F) | 97 mm (3.8 inches) | 76% | very high |
| July Weather | 24°C (76°F) | 146 mm (5.8 inches) | 84% | very high |
| August Weather | 21°C (70°F) | 137 mm (5.4 inches) | 85% | very high |
| September Weather | 15°C (60°F) | 92 mm (3.6 inches) | 82% | high |
| October Weather | 6°C (43°F) | 18 mm (0.7 inches) | 77% | moderate |
| November Weather | -5°C (24°F) | 7 mm (0.3 inches) | 61% | low |
| December Weather | -15°C (5°F) | 4 mm (0.1 inches) | 62% | low |