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Monthly climate in Sandu, Hainan, China

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Sandu features a tropical savanna climate (Aw).Temperatures typically range between 20 °C (68 °F) and 30 °C (86 °F) through the year, but rarely can drop to 10 °C (51 °F) or can rise to as high as 36 °C (97 °F).The average annual precipitation amounts to about 1259 mm (49.6 inches) and receives 142 rainy days on the 1 mm (0.04 inches) threshold annually.Sandu enjoys an average of 3333 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 Sandu, Hainan, China §

The warmest months in Sandu are June, July and August, with daily mean temperatures ranging from 29 to 30 °C (84 - 86 °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, Sandu experiences 245 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 Sandu, 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 27°C
(82°F)		 30°C
(87°F)		 33°C
(92°F)		 35°C
(95°F)		 35°C
(96°F)		 36°C
(96°F)		 36°C
(97°F)		 34°C
(93°F)		 33°C
(92°F)		 32°C
(89°F)		 30°C
(86°F)		 29°C
(85°F)
Mean maximum 26°C
(79°F)		 27°C
(82°F)		 31°C
(88°F)		 33°C
(92°F)		 34°C
(93°F)		 34°C
(93°F)		 34°C
(94°F)		 33°C
(92°F)		 33°C
(91°F)		 31°C
(88°F)		 29°C
(85°F)		 27°C
(81°F)
Average high 22°C
(73°F)		 23°C
(73°F)		 27°C
(80°F)		 28°C
(83°F)		 31°C
(88°F)		 32°C
(90°F)		 32°C
(90°F)		 31°C
(88°F)		 31°C
(87°F)		 28°C
(83°F)		 26°C
(79°F)		 23°C
(73°F)
Daily mean 20°C
(68°F)		 20°C
(68°F)		 24°C
(75°F)		 26°C
(78°F)		 28°C
(83°F)		 30°C
(86°F)		 30°C
(85°F)		 29°C
(84°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
(65°F)		 21°C
(71°F)		 24°C
(75°F)		 26°C
(80°F)		 28°C
(83°F)		 28°C
(82°F)		 27°C
(82°F)		 27°C
(80°F)		 24°C
(76°F)		 22°C
(72°F)		 19°C
(66°F)
Mean minimum 13°C
(56°F)		 14°C
(58°F)		 18°C
(65°F)		 20°C
(68°F)		 24°C
(75°F)		 26°C
(80°F)		 27°C
(80°F)		 26°C
(79°F)		 25°C
(78°F)		 21°C
(71°F)		 19°C
(66°F)		 14°C
(58°F)
Minimum 11°C
(51°F)		 10°C
(51°F)		 16°C
(61°F)		 16°C
(61°F)		 20°C
(69°F)		 26°C
(79°F)		 26°C
(79°F)		 26°C
(79°F)		 24°C
(75°F)		 21°C
(70°F)		 17°C
(63°F)		 13°C
(56°F)

Compare climate in Sandu with other places

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

Monthly average precipitation in Sandu, Hainan, China §

Sandu usually has the most precipitation in July, August and October, with an average of 17 rainy days and 215 mm (8.5 inches) of precipitation per month.The driest months in Sandu are January, February and March. On average, 25 mm (1.0 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Sandu, 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) 22 (0.9) 26 (1.0) 26 (1.0) 74 (2.9) 101 (4.0) 147 (5.8) 196 (7.7) 298 (11.7) 146 (5.7) 152 (6.0) 40 (1.6) 32 (1.3)
Average precipitation days (≥ 1 mm) 5 5 6 12 16 14 17 20 19 16 6 6

Monthly sunshine hours in Sandu, Hainan, China §

The sunniest months in Sandu are May, June and July, when the sun shines an average of 10 hours 12 minutes a day.Least sunny months in Sandu: January, November and December receive an average of 7 hours 39 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Sandu, 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 202 263 294 288 321 306 311 280 293 269 257 244
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 Sandu, Hainan, China §

Sandu experiences the highest level of ultraviolet (UV) radiation in April, May 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 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 Sandu UV Index data.

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