Weather in Guiyang

Stay updated on the latest weather conditions in Guiyang. Below you will find current data, forecasts, and useful weather charts to help you plan your time.

Guiyang features a humid subtropical climate, characterized by mild temperatures throughout the year, without sweltering summer heat or harsh winter cold. A distinctive feature of the local climate is high humidity and a significant number of cloudy or rainy days, which gives the city a special, slightly misty atmosphere, especially during certain seasons.

There are four distinct seasons in Guiyang. Winter (December to February) is cool here, with average temperatures around 5-7°C. Although this is the period with the least amount of rainfall, overcast and damp days are not uncommon. Spring (March to May) brings gradual warming, the air becomes more humid, and the number of days with precipitation increases, reaching a peak in the number of rainy days in May. Summer (June to August) is warm and also very humid, with plenty of rainy days and average temperatures around 21-24°C, making it comfortable for staying rather than hot. June stands out as the month with the highest amount of rainfall. Autumn (September to November) delights with mild and pleasant weather, with a gradual decrease in rainy days and comfortable temperatures.

A key feature of the weather in Guiyang is frequent cloudiness and a high probability of light precipitation or fog throughout most of the year. Even if intense downpours are not a daily occurrence, it is worth being prepared for the fact that an umbrella might come in handy, especially from late spring and throughout the summer. Thanks to its moderate summer temperatures, the city often serves as a pleasant refuge from the heat characteristic of many other regions of China.

Guiyang observes a moderate temperature regime throughout the year, making it comfortable to visit in any season. The coldest months are January, with an average temperature of about 4.9°C (minimums can drop to 1.8°C, and maximums reach 8.1°C), and December, with an average of 5.4°C. The warmest months are July and August, when the average temperature holds steady at 23.7°C. In August, maximum daytime temperatures can reach 27.5°C, while minimum night temperatures drop to 19.8°C, indicating pleasant summer weather without extreme heat.

The summer months in Guiyang, from June to August, are characterized by pleasant warmth. Monthly average temperatures during this period range from 21.6°C in June to 23.7°C in July and August. Daytime highs are usually in the range of 24-28°C, while night temperatures remain comfortable, averaging around 18.5-20.2°C. Such moderate summer weather, without exhausting heat, often attracts travelers seeking escape from high temperatures in other regions.

Winter in Guiyang, covering the period from December to February, is distinguished by cool but not severe weather. Average temperatures in this season vary from 4.9°C in January to 6.7°C in February. Nighttime lows can approach 1.8-3.0°C, while daytime highs usually amount to 8-10°C. Diurnal temperature fluctuations are generally moderate throughout the year; the difference between daytime highs and nighttime lows is most often within 6-8°C, providing relatively stable temperature conditions throughout the day.

Guiyang shows clearly defined seasonality in precipitation distribution. Overall, the city is characterized by high humidity and a significant number of days with precipitation throughout most of the year. The wetter period falls in late spring and summer, roughly from April to September, while late autumn and winter (October to March) are drier.

The wettest month by rainfall amount is June, with an average of 9 mm falling. However, in terms of the frequency of rainy days, May leads, counting about 23 days with precipitation, with a total volume of 6 mm. This indicates that in late spring and early summer, it rains often, but it may not always be intense, appearing rather as lingering drizzle or light rains. April, July, August, and September also demonstrate significant amounts of precipitation (4-5 mm) and a large number of rainy days (16-19 days).

The driest month in Guiyang is December, when only about 1 mm of precipitation falls, and the lowest number of rainy days is recorded — approximately 12. February and November are also distinguished by low precipitation levels (2 mm each). Despite the presence of drier months, even during this period, the number of days with precipitation remains relatively high, highlighting the general tendency of Guiyang's climate towards frequent, albeit not always abundant, rains throughout the year.

When packing your suitcase for a trip to Guiyang, be sure to consider its humid climate and the high probability of precipitation throughout the year. A key element of your wardrobe should be a light umbrella or a waterproof jacket with a hood, as the number of rainy days is significant, especially from April to September, when it can reach 19-23 days per month. Since walking around the city and its surroundings is an integral part of the journey, take care to bring comfortable, waterproof, or quick-drying shoes. This will help keep your feet dry and make your exploration of Guiyang more comfortable.

The principle of layering in clothing is ideal for Guiyang, as it allows you to easily adapt to temperature changes. In winter (December-February), when the average temperature hovers around 4-7°C, you will need warm layers: sweaters, fleece tops, possibly thermal underwear and windproof outerwear, as well as a hat and gloves. In spring (March-May) and autumn (September-November), the weather is milder but changeable – light jackets, cardigans, and jumpers will come in handy here. Even in summer (June-August), when warm weather sets in with average temperatures of 21-24°C, it is worth bringing a light sweater or windbreaker for the evening cool or in case of rain, as well as clothes made from breathable natural fabrics. Don't forget sunscreen, especially for the summer months, as UV radiation can be active even on cloudy days.