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Monthly climate in Sai Kung, Hong Kong

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Sai Kung features a humid subtropical climate (Cwa).Temperatures typically range between 16 °C (62 °F) and 29 °C (85 °F) through the year, but rarely can drop to 5 °C (42 °F) or can rise to as high as 36 °C (97 °F).The average annual precipitation amounts to about 1751 mm (69.0 inches) and receives 169 rainy days on the 1 mm (0.04 inches) threshold annually.Sai Kung enjoys an average of 3276 hours of sunshine throughout the year, and daylight varies from 10 hours 45 minutes to 13 hours 28 minutes per day.

Monthly average temperatures in Sai Kung, Hong Kong §

The warmest months in Sai Kung are June, July and August, with daily mean temperatures ranging from 28 to 29 °C (84 - 85 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 16 to 17 °C (62 - 64 °F) throughout the day. On average each year, Sai Kung experiences 184 days above 25 °C (77.0 °F) and 0 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Sai Kung, Hong Kong.Generated using Copernicus Climate Change Service information.Data for period from January 2017 to June 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Maximum 25°C
(78°F)		 26°C
(79°F)		 29°C
(85°F)		 31°C
(89°F)		 35°C
(95°F)		 34°C
(94°F)		 36°C
(97°F)		 36°C
(97°F)		 34°C
(94°F)		 34°C
(93°F)		 29°C
(85°F)		 27°C
(81°F)
Mean maximum 24°C
(75°F)		 24°C
(76°F)		 27°C
(82°F)		 30°C
(86°F)		 32°C
(90°F)		 33°C
(91°F)		 34°C
(94°F)		 34°C
(94°F)		 34°C
(93°F)		 32°C
(90°F)		 28°C
(83°F)		 25°C
(78°F)
Average high 19°C
(66°F)		 19°C
(67°F)		 23°C
(73°F)		 25°C
(77°F)		 28°C
(84°F)		 31°C
(87°F)		 31°C
(88°F)		 31°C
(88°F)		 31°C
(88°F)		 28°C
(82°F)		 24°C
(76°F)		 20°C
(68°F)
Daily mean 16°C
(62°F)		 17°C
(62°F)		 20°C
(69°F)		 23°C
(73°F)		 26°C
(80°F)		 28°C
(84°F)		 29°C
(85°F)		 29°C
(84°F)		 28°C
(83°F)		 25°C
(78°F)		 22°C
(72°F)		 17°C
(64°F)
Average low 14°C
(58°F)		 15°C
(58°F)		 19°C
(66°F)		 21°C
(70°F)		 25°C
(77°F)		 27°C
(81°F)		 27°C
(82°F)		 27°C
(81°F)		 26°C
(80°F)		 23°C
(74°F)		 20°C
(68°F)		 15°C
(59°F)
Mean minimum 8°C
(47°F)		 9°C
(49°F)		 14°C
(57°F)		 16°C
(61°F)		 20°C
(69°F)		 25°C
(78°F)		 26°C
(79°F)		 25°C
(77°F)		 25°C
(77°F)		 19°C
(67°F)		 15°C
(59°F)		 9°C
(49°F)
Minimum 6°C
(42°F)		 5°C
(42°F)		 11°C
(51°F)		 13°C
(56°F)		 16°C
(61°F)		 24°C
(76°F)		 25°C
(77°F)		 25°C
(77°F)		 24°C
(75°F)		 16°C
(60°F)		 14°C
(58°F)		 8°C
(46°F)

Compare climate in Sai Kung with other places

Compare temperature, precipitation, sunshine, UV index in Sai Kung, Hong Kong with other places around the world.

Monthly average precipitation in Sai Kung, Hong Kong §

Sai Kung usually has the most precipitation in June, August and September, with an average of 24 rainy days and 307 mm (12.1 inches) of precipitation per month.The driest months in Sai Kung are January, November and December. On average, 22 mm (0.9 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Sai Kung, Hong Kong.Generated using Copernicus Climate Change Service information.Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Average precipitation mm (inches) 16 (0.6) 43 (1.7) 59 (2.3) 93 (3.7) 196 (7.7) 344 (13.5) 213 (8.4) 362 (14.2) 215 (8.5) 161 (6.3) 29 (1.1) 21 (0.8)
Average precipitation days (≥ 1 mm) 2 6 11 12 21 26 26 26 22 10 4 3

Monthly sunshine hours in Sai Kung, Hong Kong §

The sunniest months in Sai Kung are May, July and September, when the sun shines an average of 9 hours 55 minutes a day.Least sunny months in Sai Kung: January, February and November receive an average of 8 hours 6 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Sai Kung, Hong Kong.Generated using Copernicus Atmosphere Monitoring Service information.Data for period from January 2017 to January 2022.
  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 54m 11h 23m 12h 1m 12h 40m 13h 12m 13h 28m 13h 20m 12h 52m 12h 15m 11h 36m 11h 2m 10h 45m

Solar UV radiation in Sai Kung, Hong Kong §

Sai Kung 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 Sai Kung UV Index data.

Average daily maximum UV levels by month for Sai Kung, Hong Kong.Generated using Copernicus Atmosphere Monitoring Service information.Data for period from January 2022 to January 2023.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
UV Index (month maximum) 7 10 12 12 14 13 13 13 12 11 9 7