Weather radar Hong Kong
Real-time precipitation radar · Hongkong · Hong Kong
Hong Kong climate table – average temperature, precipitation & sunshine hours
The climate table for Hong Kong shows long-term monthly averages (2000–2023): average high and average low temperature in °C, monthly precipitation (mm), rainy days and sunshine hours per month. Data source: ERA5 reanalysis (ECMWF) via the WDTEC Climate Archive.
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 18.8° | 19.9° | 23.1° | 26.1° | 28.7° | 30.5° | 32.1° | 31.4° | 31.4° | 28.4° | 24.6° | 20° |
| Avg low (°C) | 13.8° | 15.1° | 18.6° | 22° | 24.8° | 27° | 27.9° | 27.2° | 27° | 24° | 20° | 14.8° |
| Precipitation (mm) | 9 | 35 | 64 | 104 | 238 | 315 | 259 | 323 | 294 | 188 | 49 | 14 |
| Rainy days | 2 | 6 | 9 | 13 | 22 | 28 | 25 | 27 | 20 | 10 | 6 | 3 |
| Sunshine hours | 250 | 217 | 256 | 267 | 268 | 246 | 306 | 268 | 280 | 268 | 239 | 245 |
| Humidity | 71% | 79% | 81% | 82% | 84% | 86% | 82% | 85% | 81% | 75% | 75% | 70% |
Best time to visit Hong Kong
The best time to visit Hong Kong is typically January. In this month the average high is 18.8°C, precipitation is 9 mm and sunshine duration is 250 hours. The annual average high is 26.3°C, total annual precipitation is 1892 mm (171 rainy days/year) and annual sunshine is 3110 hours.
Frequently asked questions about the weather in Hong Kong
How up to date is the weather radar for Hong Kong?
The weather radar for Hong Kong is updated every 5 minutes with new radar data from the OPERA composite radar. A 2-hour forecast animation is also available. Rainfall probability, wind gusts and UV index are available up to 14 days in advance.
What weather data is available for Hong Kong?
Besides the rain radar, RadarWeather provides for Hong Kong: rainfall probability, thunderstorm warning (CAPE index), wind gusts, UV index, air pressure, humidity, dew point, sunshine hours, snow line and a 14-day forecast based on ICON-D2, ECMWF IFS and GFS.
When are thunderstorms expected in Hong Kong?
The thunderstorm potential for Hong Kong is calculated from the CAPE index and lightning potential. Active storm cells and severe weather warnings are visible on the radar map in real time. Thunderstorm warnings are issued automatically as soon as storm cells are detected near Hong Kong.
What is the climate like in Hong Kong?
Hong Kong has an annual average high of 26.3°C. The warmest month is July (avg high 32.1°C), the coldest January (avg low 13.8°C). The wettest month is August with 323 mm, the driest January with 9 mm. Total annual precipitation is 1892 mm (171 rainy days). Annual sunshine is 3110 hours.