Last updated: August 22, 2025
In December, the average temperature in Sanhekou, China hovers around 5°C (42°F). Expect chilly moments, with minimum temperatures dropping to -6°C (22°F) and occasional warmth peaking at 17°C (63°F). This month sees about 29 mm (1.1 in) of precipitation over 5 days, contributing to an average humidity of 76%. Make sure to dress in layers and prepare for a mix of weather conditions!
In December in Sanhekou, the average temperature is 5°C (42°F), with maximums reaching 17°C (63°F) and minimums dipping as low as -6°C (22°F). Travelers should be prepared for a cool climate and pack accordingly for both mild and chilly weather.
In Sanhekou in December, the total precipitation amount is 29 mm (1.1 in) recorded over a span of 5 days.
In Sanhekou in December humidity is 76%. With an average temperature of 5°C (42°F), this humidity feels like a chilling blanket enveloping you, making travel quite uncomfortable as the dampness seeps into your clothes and lingers on your skin.
In Sanhekou in December, the maximum UV index reaches 4, which corresponds to a moderate Exposure Category. With a time to burn of 30 minutes, it’s important to take precautions to protect your skin. You can find more details in the Hourly UV Index in Sanhekou for better planning.
UV Risk Categories
Weather in Sanhekou varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Sanhekou, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 4°C (39°F) | 52 mm (2.0 inches) | 69% | moderate |
| February Weather | 6°C (43°F) | 55 mm (2.2 inches) | 72% | high |
| March Weather | 12°C (53°F) | 113 mm (4.4 inches) | 82% | very high |
| April Weather | 16°C (61°F) | 106 mm (4.2 inches) | 85% | very high |
| May Weather | 21°C (70°F) | 171 mm (6.7 inches) | 84% | very high |
| June Weather | 25°C (77°F) | 222 mm (8.7 inches) | 84% | extreme |
| July Weather | 27°C (81°F) | 257 mm (10.1 inches) | 89% | extreme |
| August Weather | 27°C (82°F) | 158 mm (6.2 inches) | 84% | extreme |
| September Weather | 23°C (74°F) | 106 mm (4.2 inches) | 68% | very high |
| October Weather | 17°C (62°F) | 67 mm (2.6 inches) | 71% | very high |
| November Weather | 12°C (53°F) | 46 mm (1.8 inches) | 83% | high |
| December Weather | 5°C (42°F) | 29 mm (1.1 inches) | 76% | moderate |