Last updated: August 22, 2025
In December, the average temperature in Heyuan, China hovers around 9°C (49°F), creating a mild atmosphere perfect for exploration. Temperatures can range from a brisk -1°C (30°F) to a warm 25°C (78°F), offering a diverse climate experience. Expect about 55 mm (2.2 in) of precipitation spread over 10 days, contributing to the region's lush scenery. With an average humidity of 76%, the air feels pleasantly fresh—ideal for outdoor activities!
In December in Heyuan, the average temperature is 9°C (49°F). Maximums can reach 25°C (78°F) and minimums can be as low as -1°C (30°F). Be sure to pack layers to enjoy both the warmer days and the cooler nights during your travels.
In Heyuan in December, the precipitation amount is 55 mm (2.2 in) spread over a duration of 10 days.
In Heyuan in December, humidity is 76%. With an average temperature of 9°C (49°F), this humidity feels like a chilly embrace, making outdoor adventures a bit uncomfortable as the dampness seeps into your clothes and lingers in the air, often leading to a sense of coolness that can be refreshing but also dampens the joy of exploration.
In Heyuan in December, the maximum UV index reaches 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, you can check the Hourly UV Index in Heyuan.
UV Risk Categories
Weather in Heyuan varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Heyuan, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 8°C (46°F) | 74 mm (2.9 inches) | 64% | high |
| February Weather | 9°C (49°F) | 97 mm (3.8 inches) | 69% | very high |
| March Weather | 15°C (59°F) | 224 mm (8.8 inches) | 79% | very high |
| April Weather | 19°C (66°F) | 202 mm (7.9 inches) | 81% | extreme |
| May Weather | 24°C (75°F) | 324 mm (12.8 inches) | 86% | extreme |
| June Weather | 27°C (80°F) | 411 mm (16.2 inches) | 83% | extreme |
| July Weather | 30°C (85°F) | 243 mm (9.6 inches) | 89% | extreme |
| August Weather | 30°C (86°F) | 119 mm (4.7 inches) | 84% | extreme |
| September Weather | 27°C (80°F) | 97 mm (3.8 inches) | 62% | extreme |
| October Weather | 21°C (69°F) | 51 mm (2.0 inches) | 64% | very high |
| November Weather | 15°C (60°F) | 83 mm (3.3 inches) | 72% | high |
| December Weather | 9°C (49°F) | 55 mm (2.2 inches) | 76% | moderate |