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Monthly climate in Haikou, Zhejiang, China

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Haikou features a humid subtropical climate (Cfa).Temperatures typically range between 8 °C (46 °F) and 28 °C (82 °F) through the year, but rarely can drop to -5 °C (22 °F) or can rise to as high as 39 °C (103 °F).The average annual precipitation amounts to about 1469 mm (57.8 inches) and receives 149 rainy days on the 1 mm (0.04 inches) threshold annually.Haikou enjoys an average of 2666 hours of sunshine throughout the year, and daylight varies from 10 hours 21 minutes to 13 hours 54 minutes per day.

Monthly average temperatures in Haikou, Zhejiang, China §

The warmest months in Haikou are July, August and September, with daily mean temperatures ranging from 25 to 28 °C (77 - 82 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 8 to 9 °C (46 - 48 °F) throughout the day. On average each year, Haikou experiences 139 days above 25 °C (77.0 °F) and 9 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Haikou, Zhejiang, 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)		 28°C
(82°F)		 31°C
(88°F)		 33°C
(92°F)		 39°C
(103°F)		 37°C
(99°F)		 37°C
(100°F)		 38°C
(100°F)		 37°C
(99°F)		 35°C
(96°F)		 31°C
(88°F)		 28°C
(83°F)
Mean maximum 22°C
(71°F)		 24°C
(75°F)		 28°C
(83°F)		 31°C
(89°F)		 35°C
(95°F)		 34°C
(93°F)		 37°C
(99°F)		 36°C
(98°F)		 35°C
(96°F)		 32°C
(90°F)		 26°C
(79°F)		 22°C
(72°F)
Average high 12°C
(53°F)		 13°C
(56°F)		 18°C
(65°F)		 23°C
(73°F)		 27°C
(81°F)		 29°C
(84°F)		 32°C
(91°F)		 33°C
(91°F)		 30°C
(86°F)		 24°C
(75°F)		 19°C
(66°F)		 13°C
(56°F)
Daily mean 8°C
(46°F)		 9°C
(48°F)		 13°C
(56°F)		 17°C
(63°F)		 22°C
(71°F)		 25°C
(76°F)		 28°C
(82°F)		 28°C
(82°F)		 25°C
(77°F)		 19°C
(67°F)		 14°C
(58°F)		 9°C
(48°F)
Average low 4°C
(40°F)		 5°C
(41°F)		 9°C
(49°F)		 13°C
(55°F)		 18°C
(64°F)		 21°C
(71°F)		 24°C
(76°F)		 24°C
(76°F)		 21°C
(71°F)		 16°C
(61°F)		 11°C
(52°F)		 5°C
(42°F)
Mean minimum -3°C
(27°F)		 -1°C
(31°F)		 3°C
(38°F)		 6°C
(43°F)		 12°C
(53°F)		 17°C
(63°F)		 22°C
(72°F)		 22°C
(72°F)		 16°C
(62°F)		 10°C
(49°F)		 5°C
(41°F)		 -1°C
(30°F)
Minimum -5°C
(24°F)		 -5°C
(22°F)		 0°C
(33°F)		 3°C
(38°F)		 10°C
(50°F)		 15°C
(59°F)		 20°C
(69°F)		 21°C
(70°F)		 15°C
(59°F)		 8°C
(47°F)		 2°C
(36°F)		 -2°C
(28°F)

Compare climate in Haikou with other places

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

Monthly average precipitation in Haikou, Zhejiang, China §

Haikou usually has the most precipitation in May, June and July, with an average of 17 rainy days and 238 mm (9.4 inches) of precipitation per month.The driest months in Haikou are January, November and December. On average, 49 mm (1.9 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Haikou, Zhejiang, 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) 44 (1.7) 65 (2.6) 122 (4.8) 97 (3.8) 207 (8.2) 309 (12.1) 199 (7.9) 159 (6.3) 98 (3.9) 66 (2.6) 64 (2.5) 38 (1.5)
Average precipitation days (≥ 1 mm) 7 9 15 13 15 20 18 17 12 7 8 8

Monthly sunshine hours in Haikou, Zhejiang, China §

The sunniest months in Haikou are May, July and August, when the sun shines an average of 8 hours 46 minutes a day.Least sunny months in Haikou: January, February and November receive an average of 6 hours 1 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Haikou, Zhejiang, 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 152 196 206 244 253 208 269 293 241 208 193 196
Mean daily daylight hours 10h 33m 11h 10m 11h 59m 12h 50m 13h 32m 13h 54m 13h 43m 13h 6m 12h 18m 11h 27m 10h 43m 10h 21m

Solar UV radiation in Haikou, Zhejiang, China §

Haikou experiences the highest level of ultraviolet (UV) radiation in May, July and August, when the maximum UV index can reach values of 12 - 12, which corresponds to the Extreme category of sun exposure.January, November and December are in the Moderate / High exposure category. In these months, the maximum values of the UV index do not exceed 7. For more detailed information, check out our hourly Haikou UV Index data.

Average daily maximum UV levels by month for Haikou, Zhejiang, 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) 6 8 10 11 12 12 12 12 11 9 7 5