Climate Overview
The climate in Yong’an is temperate. The average annual temperature is 16°C and approximately 1249mm of precipitation falls per year. June is the wettest month, receiving around 229mm of rainfall. Yong’an 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, February, December, when temperatures can drop to 2°C. Light snow can occur between January and December.
Temperature
Temperatures in Yong’an vary considerably across the year, with a 29°C difference between the coldest and warmest months. The warmest month is August, when average highs reach 31°C and the mean temperature sits around 27°C. January is the coolest month, with minimum temperatures around 2°C and an average of 5°C. Daily temperature variation is modest, with an average difference of 7°C between highs and lows. The sharpest temperature change occurs between September and October, with a 6°C shift in average temperatures.
Precipitation
Yong’an is a fairly wet location, receiving approximately 1249mm of precipitation annually, which averages out to around 104mm per month. The wettest month is June, averaging 229mm of rainfall. July and May also tend to see above-average precipitation. The driest month is December, with just 27mm. That's 201mm less than June, 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 20cm annually. January is the snowiest month with approximately 9cm.
Wind
Yong’an 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 March, averaging 1km/h, though still comfortable for most outdoor activities. The calmest conditions occur in June, 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
91 days until Autumn
It is currently summer in Yong’an, which began on June 21, 2026. Yong’an 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 31°C, while the coldest stretch bottoms out in January near 2°C. Autumn is next, beginning on September 23, 2026 — 91 days from now.
Spring
Temperatures range from 8 to 24°C. Rainfall is heavy, totalling around 313mm across the season with a monthly average of 104mm. Winds are generally light, averaging 1km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.
Summer
Temperatures range from 20 to 31°C. Rainfall is heavy, totalling around 498mm across the season with a monthly average of 166mm. Winds are generally light, averaging 1km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.
Autumn
Temperatures range from 8 to 25°C. Rainfall is heavy, totalling around 315mm across the season with a monthly average of 105mm. Winds are generally light, averaging 1km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from 2 to 10°C. Rainfall is relatively light, with around 123mm over the season and a monthly average of 41mm. Expect around 17cm of snow accumulation during this period. Winds are generally light, averaging 1km/h. A light jacket or sweater is usually sufficient, though cooler evenings may call for an extra layer.
Best Time to Visit
The best time to visit Yong’an is during April, when the weather is most comfortable for travellers. During these months, average temperatures hover around 16°C with modest rainfall averaging 99mm per month. By contrast, August can be uncomfortably hot with highs reaching 31°C, while January is the coldest period with lows dropping to 2°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 Yong’an 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.