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Monthly climate in Sansha, Hainan, China

Last updated: March 2, 2024

Under the Köppen–Geiger climate classification Sansha features a tropical savanna climate (Aw). Temperatures typically range between 24 °C (76 °F) and 29 °C (85 °F) through the year, but rarely can drop to 19 °C (67 °F) or can rise to as high as 31 °C (88 °F). The average annual precipitation amounts to about 1401 mm (55.1 inches) and receives 165 rainy days on the 1 mm (0.04 inches) threshold annually. Sansha enjoys an average of 3563 hours of sunshine throughout the year, and daylight varies from 11 hours 7 minutes to 13 hours 6 minutes per day.

Monthly average temperatures in Sansha, Hainan, China §

The warmest months in Sansha are June, July and August, with daily mean temperatures ranging from 29 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 24 to 25 °C (76 - 77 °F) throughout the day. On average each year, Sansha experiences 271 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 Sansha, Hainan, China. 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 26°C
(79°F)		 27°C
(81°F)		 29°C
(84°F)		 30°C
(86°F)		 30°C
(87°F)		 31°C
(88°F)		 31°C
(87°F)		 30°C
(87°F)		 30°C
(87°F)		 30°C
(86°F)		 29°C
(84°F)		 27°C
(80°F)
Mean maximum 26°C
(78°F)		 26°C
(79°F)		 28°C
(82°F)		 29°C
(84°F)		 30°C
(86°F)		 30°C
(86°F)		 30°C
(86°F)		 30°C
(86°F)		 30°C
(85°F)		 29°C
(84°F)		 28°C
(82°F)		 26°C
(80°F)
Average high 24°C
(76°F)		 25°C
(76°F)		 26°C
(79°F)		 27°C
(82°F)		 29°C
(85°F)		 30°C
(86°F)		 29°C
(85°F)		 29°C
(85°F)		 29°C
(84°F)		 28°C
(83°F)		 27°C
(80°F)		 25°C
(77°F)
Daily mean 24°C
(76°F)		 24°C
(76°F)		 26°C
(78°F)		 27°C
(81°F)		 29°C
(84°F)		 29°C
(85°F)		 29°C
(84°F)		 29°C
(84°F)		 28°C
(83°F)		 27°C
(81°F)		 26°C
(79°F)		 25°C
(77°F)
Average low 24°C
(75°F)		 24°C
(75°F)		 25°C
(77°F)		 26°C
(80°F)		 28°C
(82°F)		 29°C
(84°F)		 28°C
(83°F)		 28°C
(83°F)		 27°C
(82°F)		 27°C
(80°F)		 26°C
(79°F)		 24°C
(76°F)
Mean minimum 22°C
(71°F)		 22°C
(71°F)		 23°C
(74°F)		 25°C
(77°F)		 26°C
(79°F)		 27°C
(81°F)		 27°C
(80°F)		 26°C
(80°F)		 26°C
(79°F)		 25°C
(78°F)		 25°C
(77°F)		 22°C
(73°F)
Minimum 19°C
(67°F)		 19°C
(67°F)		 22°C
(72°F)		 23°C
(74°F)		 26°C
(78°F)		 27°C
(80°F)		 26°C
(79°F)		 26°C
(79°F)		 25°C
(78°F)		 24°C
(76°F)		 24°C
(76°F)		 21°C
(70°F)

Compare climate in Sansha with other places

Compare temperature, precipitation, sunshine, UV index in Sansha, Hainan, China with other places around the world.

Monthly average precipitation in Sansha, Hainan, China §

Sansha usually has the most precipitation in July, October and November, with an average of 19 rainy days and 226 mm (8.9 inches) of precipitation per month. The driest months in Sansha are February, March and April. On average, 24 mm (0.9 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Sansha, Hainan, China. 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) 36 (1.4) 22 (0.9) 18 (0.7) 32 (1.2) 77 (3.0) 121 (4.8) 209 (8.2) 182 (7.1) 166 (6.5) 284 (11.2) 185 (7.3) 69 (2.7)
Average precipitation days (≥ 1 mm) 9 7 4 8 12 13 17 18 19 23 18 17

Monthly sunshine hours in Sansha, Hainan, China §

The sunniest months in Sansha are March, May and July, when the sun shines an average of 10 hours 30 minutes a day. Least sunny months in Sansha: January, November and December receive an average of 8 hours 27 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Sansha, Hainan, China. 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 233 277 316 316 330 312 329 314 302 285 271 272
Mean daily daylight hours 11h 14m 11h 34m 12h 2m 12h 30m 12h 54m 13h 6m 13h 0m 12h 39m 12h 12m 11h 44m 11h 20m 11h 7m

Solar UV radiation in Sansha, Hainan, China §

Sansha experiences the highest level of ultraviolet (UV) radiation in April, August and September, when the maximum UV index can reach values of 14 - 14, which corresponds to the Extreme category of sun exposure. January, November and December are in the Very High exposure category. In these months, the maximum values of the UV index do not exceed 10. For more detailed information, check out our hourly Sansha UV Index data.

Average daily maximum UV levels by month for Sansha, Hainan, China. 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) 10 12 13 14 14 13 14 14 14 12 10 9

Detailed Monthly Weather Insights for Sansha, Hainan, China

Discover in-depth weather details for every month in Sansha. Click through the links below for comprehensive overviews of temperature trends, precipitation levels, sunshine hours, and solar UV radiation specifics. Whether planning a visit or simply curious about Sansha's climate nuances, these monthly breakdowns provide the information you need for an informed understanding of what to expect throughout the year.

Each link leads to a detailed account of the typical weather conditions for that month, providing both locals and tourists with vital information to plan their daily activities, wardrobe, and travel itineraries accordingly.