Climate Insights for Causeway Bay

The climate in Causeway Bay is warm and mild. The average annual temperature is 24°C and approximately 2223mm of precipitation falls per year. August is the wettest month, receiving around 381mm of rainfall. Causeway Bay is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: July, June, August. The coldest months are February, January, March, when temperatures can drop to 15°C.

Causeway Bay sees moderate temperature variation throughout the year, ranging from 15°C to 29°C. The warmest month is July, when average highs reach 29°C and the mean temperature sits around 29°C. February is the coolest month, with minimum temperatures around 15°C and an average of 16°C. Daily temperature variation is modest, with an average difference of 2°C between highs and lows. The sharpest temperature change occurs between March and April, with a 5°C shift in average temperatures.

Causeway Bay is a very wet location, receiving approximately 2223mm of precipitation annually, which averages out to around 185mm per month. The wettest month is August, averaging 381mm of rainfall. June and May also tend to see above-average precipitation. The driest month is December, with just 14mm. That's 367mm 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.

Causeway Bay is relatively calm, with an average annual wind speed of 6km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is January, averaging 8km/h, though still comfortable for most outdoor activities. The calmest conditions occur in August, with average winds dropping to 4km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 4km/h gap between the calmest and windiest months. Wind tends to be stronger during winter months, driven by seasonal pressure systems. The seasonal averages break down to 7km/h in winter, 5km/h in spring, 5km/h in summer, 6km/h in autumn.

It is currently summer in Causeway Bay, which began on June 21, 2026. Causeway Bay 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 29°C, while the coldest stretch bottoms out in February near 15°C. Autumn is next, beginning on September 23, 2026 — 52 days from now.

The best time to visit Causeway Bay is during February and December, when the weather is most comfortable for travellers. During these months, average temperatures hover around 18°C with modest rainfall averaging 28mm per month. By contrast, July can be uncomfortably hot with temperatures reaching 29°C. With minimal rainfall expected, you can pack light and plan outdoor activities with confidence.

The table below shows monthly climate averages for Causeway Bay 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.