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Monthly climate in Sanmenpo, Hainan, China

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Sanmenpo features a humid subtropical climate (Cwa).Temperatures typically range between 20 °C (68 °F) and 30 °C (85 °F) through the year, but rarely can drop to 8 °C (46 °F) or can rise to as high as 38 °C (101 °F).The average annual precipitation amounts to about 1732 mm (68.2 inches) and receives 187 rainy days on the 1 mm (0.04 inches) threshold annually.Sanmenpo enjoys an average of 3269 hours of sunshine throughout the year, and daylight varies from 10 hours 56 minutes to 13 hours 17 minutes per day.

Monthly average temperatures in Sanmenpo, Hainan, China §

The warmest months in Sanmenpo are June, July and August, with daily mean temperatures ranging from 28 to 30 °C (83 - 85 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 20 to 21 °C (68 - 69 °F) throughout the day. On average each year, Sanmenpo experiences 255 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 Sanmenpo, 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 29°C
(85°F)		 32°C
(90°F)		 35°C
(96°F)		 35°C
(95°F)		 38°C
(100°F)		 38°C
(101°F)		 37°C
(99°F)		 36°C
(96°F)		 35°C
(95°F)		 34°C
(93°F)		 30°C
(87°F)		 29°C
(84°F)
Mean maximum 27°C
(81°F)		 30°C
(85°F)		 33°C
(91°F)		 34°C
(93°F)		 36°C
(97°F)		 36°C
(97°F)		 36°C
(97°F)		 35°C
(95°F)		 34°C
(93°F)		 32°C
(90°F)		 30°C
(86°F)		 27°C
(82°F)
Average high 23°C
(73°F)		 24°C
(75°F)		 28°C
(82°F)		 29°C
(85°F)		 32°C
(90°F)		 33°C
(93°F)		 33°C
(92°F)		 32°C
(90°F)		 32°C
(89°F)		 29°C
(84°F)		 26°C
(80°F)		 23°C
(73°F)
Daily mean 20°C
(68°F)		 20°C
(69°F)		 24°C
(76°F)		 26°C
(78°F)		 28°C
(83°F)		 30°C
(85°F)		 29°C
(85°F)		 28°C
(83°F)		 28°C
(83°F)		 26°C
(79°F)		 24°C
(75°F)		 21°C
(69°F)
Average low 18°C
(64°F)		 18°C
(64°F)		 21°C
(71°F)		 23°C
(74°F)		 26°C
(78°F)		 27°C
(81°F)		 27°C
(80°F)		 26°C
(79°F)		 25°C
(78°F)		 24°C
(75°F)		 22°C
(72°F)		 19°C
(66°F)
Mean minimum 12°C
(55°F)		 13°C
(56°F)		 17°C
(63°F)		 19°C
(66°F)		 22°C
(73°F)		 25°C
(78°F)		 25°C
(78°F)		 25°C
(77°F)		 24°C
(75°F)		 21°C
(69°F)		 18°C
(65°F)		 14°C
(57°F)
Minimum 8°C
(46°F)		 9°C
(49°F)		 15°C
(59°F)		 16°C
(61°F)		 19°C
(67°F)		 24°C
(75°F)		 25°C
(77°F)		 24°C
(76°F)		 22°C
(72°F)		 19°C
(67°F)		 17°C
(64°F)		 13°C
(56°F)

Compare climate in Sanmenpo with other places

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

Monthly average precipitation in Sanmenpo, Hainan, China §

Sanmenpo usually has the most precipitation in June, July and August, with an average of 22 rainy days and 271 mm (10.7 inches) of precipitation per month.The driest months in Sanmenpo are January, February and December. On average, 32 mm (1.2 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Sanmenpo, 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) 23 (0.9) 38 (1.5) 51 (2.0) 130 (5.1) 199 (7.8) 226 (8.9) 248 (9.8) 339 (13.4) 198 (7.8) 193 (7.6) 51 (2.0) 34 (1.4)
Average precipitation days (≥ 1 mm) 7 9 11 14 20 20 23 25 23 18 11 6

Monthly sunshine hours in Sanmenpo, Hainan, China §

The sunniest months in Sanmenpo are May, June and July, when the sun shines an average of 10 hours 7 minutes a day.Least sunny months in Sanmenpo: January, February and December receive an average of 7 hours 12 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Sanmenpo, 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 188 249 286 285 310 301 319 290 293 275 249 216
Mean daily daylight hours 11h 4m 11h 29m 12h 1m 12h 35m 13h 3m 13h 17m 13h 10m 12h 45m 12h 13m 11h 40m 11h 11m 10h 56m

Solar UV radiation in Sanmenpo, Hainan, China §

Sanmenpo experiences the highest level of ultraviolet (UV) radiation in May, July and August, 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 9. For more detailed information, check out our hourly Sanmenpo UV Index data.

Average daily maximum UV levels by month for Sanmenpo, 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) 9 11 12 13 14 13 14 14 13 12 9 8