Climate Overview
The climate in Kwai Chung is warm and mild. The average annual temperature is 24°C and approximately 1882mm of precipitation falls per year. August is the wettest month, receiving around 371mm of rainfall. Kwai Chung 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 15°C.
Temperature
Kwai Chung sees moderate temperature variation throughout the year, ranging from 15°C to 31°C. The warmest month is July, when average highs reach 31°C and the mean temperature sits around 29°C. January is the coolest month, with minimum temperatures around 15°C and an average of 17°C. Daily temperature variation is modest, with an average difference of 4°C between highs and lows. The sharpest temperature change occurs between November and December, with a 4°C shift in average temperatures.
Precipitation
Kwai Chung is a fairly wet location, receiving approximately 1882mm of precipitation annually, which averages out to around 157mm per month. The wettest month is August, averaging 371mm of rainfall. June and September also tend to see above-average precipitation. The driest month is December, with just 15mm. That's 357mm less than August, 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.
Wind
Kwai Chung is relatively calm, with an average annual wind speed of 4km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is December, averaging 4km/h, though still comfortable for most outdoor activities. The calmest conditions occur in September, with average winds dropping to 3km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 1km/h gap between the calmest and windiest months.
Seasons
4 days until Summer
It is currently spring in Kwai Chung, which began on March 20, 2026. Kwai Chung 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 31°C, while the coldest stretch bottoms out in January near 15°C. Summer is next, beginning on June 21, 2026 — 4 days from now.
Spring
Temperatures range from 18 to 29°C. Rainfall is heavy, totalling around 435mm across the season with a monthly average of 145mm. Winds are generally light, averaging 3km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.
Summer
Temperatures range from 27 to 31°C. Rainfall is heavy, totalling around 911mm across the season with a monthly average of 304mm. Winds are generally light, averaging 3km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.
Autumn
Temperatures range from 20 to 30°C. Rainfall is heavy, totalling around 412mm across the season with a monthly average of 137mm. Winds are generally light, averaging 3km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from 15 to 21°C. Rainfall is relatively light, with around 124mm over the season and a monthly average of 41mm. Winds are generally light, averaging 4km/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 Kwai Chung is during January, February, March, November and December, when the weather is most comfortable for travellers. During these months, average temperatures hover around 19°C with modest rainfall averaging 54mm per month. By contrast, July can be uncomfortably hot with temperatures reaching 31°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 Kwai Chung 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. 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.
