Climate Overview
The climate in Xinyuan is cool. The average annual temperature is 6°C and approximately 511mm of precipitation falls per year. April is the wettest month, receiving around 76mm of rainfall. Xinyuan 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 -16°C. Snowfall occurs from January to December, with around 103cm accumulating over the season.
Temperature
Xinyuan has a wide annual temperature range, spanning 41°C from the coldest to warmest months. The warmest month is July, when average highs reach 25°C and the mean temperature sits around 19°C. January brings the harshest conditions, with lows dropping to -16°C and an average temperature of -10°C. On average, daily temperatures fluctuate by about 14°C between overnight lows and afternoon highs. The sharpest temperature change occurs between February and March, with a 9°C shift in average temperatures.
Precipitation
Xinyuan is a relatively dry area, receiving approximately 511mm of precipitation annually, which averages out to around 43mm per month. The wettest month is April, averaging 76mm of rainfall. June and May also tend to see above-average precipitation. The driest month is January, with just 12mm. That's 64mm less than April, 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 103cm accumulating over the season. November typically sees the most snow at around 25cm.
Wind
Xinyuan is relatively calm, with an average annual wind speed of 1km/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 1km/h, though still comfortable for most outdoor activities. The calmest conditions occur in December, with average winds dropping to 1km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 0km/h between the calmest and windiest months.
Seasons
92 days until Autumn
It is currently summer in Xinyuan, which began on June 21, 2026. Xinyuan 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 25°C, while the coldest stretch bottoms out in January near -16°C. Autumn is next, beginning on September 23, 2026 — 92 days from now.
Spring
Temperatures range from -4 to 20°C. Precipitation is moderate at around 179mm for the season, averaging 60mm per month. Winds are generally light, averaging 1km/h. Light layers work well as temperatures warm through the season — a great time to be outdoors.
Summer
Temperatures range from 10 to 25°C. Precipitation is moderate at around 161mm for the season, averaging 54mm per month. Winds are generally light, averaging 1km/h. Comfortable clothing with a light layer for cooler evenings is all you need.
Autumn
Temperatures range from -7 to 21°C. Rainfall is relatively light, with around 119mm over the season and a monthly average of 40mm. Expect around 37cm of snow accumulation during this period. Winds are generally light, averaging 1km/h. Layered clothing works best as temperatures gradually cool — enjoy the crisp air and changing scenery.
Winter
Temperatures range from -16 to 3°C. Rainfall is relatively light, with around 52mm over the season and a monthly average of 17mm. Expect around 49cm of snow accumulation during this period. Winds are generally light, averaging 1km/h. Heavy layering and insulated outerwear are essential — exposed skin should be minimised outdoors.
Best Time to Visit
The best time to visit Xinyuan is during June, July and August, when the weather is most comfortable for travellers. During these months, average temperatures hover around 18°C with modest rainfall averaging 54mm per month. By contrast, January can be quite cold with temperatures dropping to -16°C. A light rain jacket is recommended, though showers are generally brief and shouldn't disrupt your plans.
Monthly Climate Data
The table below shows monthly climate averages for Xinyuan 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.