Climate Overview
The climate in Chaotian is temperate. The average annual temperature is 14°C and approximately 1142mm of precipitation falls per year. July is the wettest month, receiving around 202mm of rainfall. Chaotian is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: August, July, June. The coldest months are January, December, February, when temperatures can drop to -1°C. Light snow can occur between January and December.
Temperature
Temperatures in Chaotian vary considerably across the year, with a 30°C difference between the coldest and warmest months. The warmest month is August, when average highs reach 29°C and the mean temperature sits around 25°C. The coldest month is January, when overnight lows fall to -1°C and the daily average is 3°C. Daily temperature variation is modest, with an average difference of 8°C between highs and lows. The sharpest temperature change occurs between September and October, with a 6°C shift in average temperatures.
Precipitation
Chaotian is a moderately rainy area, receiving approximately 1142mm of precipitation annually, which averages out to around 95mm per month. The wettest month is July, averaging 202mm of rainfall. September and August also tend to see above-average precipitation. The driest month is January, with just 24mm. That's 178mm 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. Light snowfall can occur between January and December, totalling around 22cm annually. January is the snowiest month with approximately 6cm.
Wind
Chaotian is relatively calm, with an average annual wind speed of 7km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is April, averaging 8km/h, though still comfortable for most outdoor activities. The calmest conditions occur in July, with average winds dropping to 6km/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 Chaotian, which began on June 21, 2026. Chaotian 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 August at around 29°C, while the coldest stretch bottoms out in January near -1°C. Autumn is next, beginning on September 23, 2026 (10 days from now).
Spring
Temperatures range from 6 to 23°C. Precipitation is moderate at around 226mm for the season, averaging 75mm per month. Winds are generally light, averaging 7km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.
Summer
Temperatures range from 18 to 29°C. Rainfall is heavy, totalling around 478mm across the season with a monthly average of 159mm. Winds are generally light, averaging 6km/h. Light, breathable clothing is ideal. Perfect conditions for outdoor activities.
Autumn
Temperatures range from 5 to 23°C. Rainfall is heavy, totalling around 362mm across the season with a monthly average of 121mm. Expect around 5cm of snow accumulation during this period. Winds are generally light, averaging 6km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from -1 to 9°C. Rainfall is relatively light, with around 77mm over the season and a monthly average of 26mm. Expect around 16cm of snow accumulation during this period. Winds are generally light, averaging 7km/h. Warm winter clothing and waterproof boots are a must, and travel may be affected by snow.
Best Time to Visit
The best time to visit Chaotian is during April and May, when the weather is most comfortable for travellers. During these months, average temperatures hover around 17°C with modest rainfall averaging 88mm per month. By contrast, August can be uncomfortably hot with highs reaching 29°C, while January is the coldest period with lows dropping to -1°C. Despite being the best months overall, some rain is still likely. Pack a waterproof layer and plan a mix of indoor and outdoor activities.
Monthly Climate Data
The table below shows monthly climate averages for Chaotian 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.