Climate Overview
The climate in Tanchang Chengguanzhen is cool. The average annual temperature is 6°C and approximately 940mm of precipitation falls per year. July is the wettest month, receiving around 150mm of rainfall. Tanchang Chengguanzhen is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: July, August, June. The coldest months are January, February, December, when temperatures can drop to -13°C. Snowfall occurs from January to December, with around 144cm accumulating over the season.
Temperature
Temperatures in Tanchang Chengguanzhen vary considerably across the year, with a 34°C difference between the coldest and warmest months. July is the warmest month, though highs remain moderate at 21°C with a mean of 17°C. The coldest month is January, when overnight lows fall to -13°C and the daily average is -8°C. On average, daily temperatures fluctuate by about 9°C between overnight lows and afternoon highs. The sharpest temperature change occurs between February and March, with a 7°C shift in average temperatures.
Precipitation
Tanchang Chengguanzhen is a moderately rainy area, receiving approximately 940mm of precipitation annually, which averages out to around 78mm per month. The wettest month is July, averaging 150mm of rainfall. August and September also tend to see above-average precipitation. The driest month is December, with just 13mm. That's 138mm less than July, the wettest month. Rainfall is heavily concentrated in certain months, creating a distinct wet and dry season. Visitors should plan around these patterns, as the difference between peak and low months is dramatic. Snowfall is a regular feature from January to December, with around 144cm accumulating over the season. March typically sees the most snow at around 33cm.
Wind
Tanchang Chengguanzhen is relatively calm, with an average annual wind speed of 5km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is May, averaging 6km/h, though still comfortable for most outdoor activities. The calmest conditions occur in January, with average winds dropping to 4km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 2km/h between the calmest and windiest months.
Seasons
10 days until Autumn
It is currently summer in Tanchang Chengguanzhen, which began on June 21, 2026. Tanchang Chengguanzhen is in the Northern Hemisphere, where spring begins in March, summer in June, autumn in September, and winter in December. The warmest period peaks in July at around 21°C, while the coldest stretch bottoms out in January near -13°C. Autumn is next, beginning on September 23, 2026 (10 days from now).
Spring
Temperatures range from -4 to 16°C. Precipitation is moderate at around 245mm for the season, averaging 82mm per month. Winds are generally light, averaging 6km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.
Summer
Temperatures range from 11 to 21°C. Rainfall is heavy, totalling around 394mm across the season with a monthly average of 131mm. Winds are generally light, averaging 6km/h. Comfortable clothing with a light layer for cooler evenings is all you need.
Autumn
Temperatures range from -4 to 17°C. Precipitation is moderate at around 244mm for the season, averaging 81mm per month. Expect around 30cm of snow accumulation during this period. Winds are generally light, averaging 5km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from -13 to 0°C. Rainfall is relatively light, with around 57mm over the season and a monthly average of 19mm. Expect around 56cm of snow accumulation during this period. Winds are generally light, averaging 5km/h. Heavy layering and insulated outerwear are essential. Exposed skin should be minimised outdoors.
Monthly Climate Data
The table below shows monthly climate averages for Tanchang Chengguanzhen based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Celsius (°C). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Snow is measured in centimetres (cm) and reflects average monthly snowfall accumulation. Wind speed is the average sustained speed in kilometres per hour (km/h). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.