Last updated: May 6, 2024
Under the Köppen–Geiger climate classification Hong Kong features a humid subtropical climate (Cwa).Temperatures typically range between 17 °C (63 °F) and 29 °C (84 °F) through the year, but rarely can drop to 7 °C (45 °F) or can rise to as high as 34 °C (93 °F).The average annual precipitation amounts to about 1805 mm (71.1 inches) and receives 164 rainy days on the 1 mm (0.04 inches) threshold annually.Hong Kong enjoys an average of 3276 hours of sunshine throughout the year, and daylight varies from 10 hours 46 minutes to 13 hours 27 minutes per day.
The warmest months in Hong Kong are June, July and August, with daily mean temperatures ranging from 28 to 29 °C (83 - 84 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 17 to 18 °C (63 - 65 °F) throughout the day. On average each year, Hong Kong experiences 174 days above 25 °C (77.0 °F) and 0 days below 0 °C (32.0 °F).
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Maximum | 24°C (75°F) | 24°C (76°F) | 27°C (80°F) | 29°C (85°F) | 33°C (92°F) | 33°C (91°F) | 33°C (92°F) | 34°C (93°F) | 32°C (91°F) | 32°C (91°F) | 28°C (82°F) | 26°C (78°F) |
Mean maximum | 23°C (73°F) | 23°C (74°F) | 26°C (78°F) | 28°C (83°F) | 30°C (87°F) | 31°C (88°F) | 32°C (91°F) | 32°C (90°F) | 32°C (90°F) | 30°C (87°F) | 27°C (81°F) | 24°C (76°F) |
Average high | 19°C (66°F) | 19°C (67°F) | 22°C (72°F) | 24°C (76°F) | 28°C (82°F) | 30°C (85°F) | 30°C (86°F) | 30°C (86°F) | 30°C (86°F) | 27°C (81°F) | 24°C (75°F) | 20°C (68°F) |
Daily mean | 17°C (63°F) | 17°C (64°F) | 21°C (70°F) | 23°C (73°F) | 26°C (79°F) | 28°C (83°F) | 29°C (84°F) | 28°C (83°F) | 28°C (83°F) | 26°C (78°F) | 22°C (72°F) | 18°C (65°F) |
Average low | 15°C (60°F) | 16°C (61°F) | 19°C (67°F) | 21°C (71°F) | 25°C (77°F) | 27°C (81°F) | 27°C (82°F) | 27°C (81°F) | 27°C (80°F) | 24°C (76°F) | 21°C (70°F) | 16°C (62°F) |
Mean minimum | 10°C (50°F) | 11°C (52°F) | 15°C (59°F) | 17°C (63°F) | 21°C (70°F) | 25°C (78°F) | 26°C (80°F) | 26°C (79°F) | 25°C (78°F) | 20°C (68°F) | 16°C (62°F) | 11°C (52°F) |
Minimum | 8°C (46°F) | 7°C (45°F) | 12°C (54°F) | 14°C (58°F) | 18°C (64°F) | 24°C (76°F) | 25°C (78°F) | 26°C (78°F) | 24°C (76°F) | 17°C (64°F) | 16°C (60°F) | 10°C (49°F) |
Compare temperature, precipitation, sunshine, UV index in Hong Kong, Hong Kong with other places around the world.
Hong Kong usually has the most precipitation in June, August and September, with an average of 23 rainy days and 311 mm (12.2 inches) of precipitation per month.The driest months in Hong Kong are January, November and December. On average, 29 mm (1.2 inches) of precipitation falls during these months.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Average precipitation mm (inches) | 21 (0.8) | 52 (2.0) | 60 (2.4) | 93 (3.7) | 171 (6.7) | 325 (12.8) | 219 (8.6) | 384 (15.1) | 223 (8.8) | 189 (7.4) | 36 (1.4) | 31 (1.2) |
Average precipitation days (≥ 1 mm) | 4 | 7 | 10 | 12 | 18 | 24 | 24 | 25 | 22 | 10 | 4 | 4 |
The sunniest months in Hong Kong are May, July and September, when the sun shines an average of 9 hours 55 minutes a day.Least sunny months in Hong Kong: January, February and November receive an average of 8 hours 6 minutes of sunshine daily.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Mean monthly sunshine hours | 216 | 250 | 274 | 262 | 300 | 273 | 323 | 280 | 288 | 280 | 261 | 264 |
Mean daily daylight hours | 10h 55m | 11h 23m | 12h 1m | 12h 39m | 13h 11m | 13h 27m | 13h 19m | 12h 51m | 12h 14m | 11h 36m | 11h 3m | 10h 46m |
Hong Kong experiences the highest level of ultraviolet (UV) radiation in May, July and August, when the maximum UV index can reach values of 13 - 14, which corresponds to the Extreme category of sun exposure.January, November and December are in the High / Very High exposure category. In these months, the maximum values of the UV index do not exceed 9. For more detailed information, check out our hourly Hong Kong UV Index data.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
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UV Index (month maximum) | 7 | 10 | 12 | 12 | 14 | 13 | 13 | 13 | 12 | 11 | 9 | 7 |