nomadseason

Monthly climate in Haikou, China

Last updated: March 2, 2024

Under the Köppen–Geiger climate classification Haikou features a humid subtropical climate (Cwa). Temperatures typically range between 19 °C (67 °F) and 29 °C (85 °F) through the year, but rarely can drop to 10 °C (50 °F) or can rise to as high as 36 °C (97 °F). The average annual precipitation amounts to about 1293 mm (50.9 inches) and receives 156 rainy days on the 1 mm (0.04 inches) threshold annually. Haikou enjoys an average of 3294 hours of sunshine throughout the year, and daylight varies from 10 hours 55 minutes to 13 hours 18 minutes per day.

Monthly average temperatures in Haikou, China §

The warmest months in Haikou 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 19 to 20 °C (67 - 69 °F) throughout the day. On average each year, Haikou experiences 213 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 Haikou, 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 25°C
(77°F)		 29°C
(84°F)		 32°C
(89°F)		 33°C
(92°F)		 34°C
(94°F)		 35°C
(95°F)		 36°C
(97°F)		 33°C
(92°F)		 33°C
(91°F)		 31°C
(88°F)		 28°C
(83°F)		 27°C
(80°F)
Mean maximum 24°C
(75°F)		 26°C
(79°F)		 30°C
(86°F)		 31°C
(88°F)		 33°C
(91°F)		 33°C
(92°F)		 34°C
(94°F)		 33°C
(91°F)		 32°C
(89°F)		 30°C
(86°F)		 27°C
(82°F)		 25°C
(77°F)
Average high 21°C
(70°F)		 21°C
(71°F)		 25°C
(77°F)		 27°C
(81°F)		 30°C
(86°F)		 32°C
(89°F)		 32°C
(89°F)		 31°C
(87°F)		 30°C
(86°F)		 28°C
(82°F)		 25°C
(77°F)		 22°C
(71°F)
Daily mean 19°C
(67°F)		 20°C
(68°F)		 23°C
(74°F)		 25°C
(77°F)		 28°C
(82°F)		 29°C
(85°F)		 29°C
(85°F)		 29°C
(84°F)		 28°C
(83°F)		 26°C
(79°F)		 24°C
(75°F)		 20°C
(69°F)
Average low 18°C
(65°F)		 18°C
(65°F)		 21°C
(71°F)		 23°C
(74°F)		 26°C
(79°F)		 28°C
(82°F)		 28°C
(82°F)		 27°C
(81°F)		 27°C
(80°F)		 25°C
(77°F)		 23°C
(73°F)		 19°C
(67°F)
Mean minimum 14°C
(57°F)		 14°C
(57°F)		 18°C
(65°F)		 20°C
(68°F)		 23°C
(75°F)		 26°C
(80°F)		 26°C
(80°F)		 26°C
(79°F)		 25°C
(78°F)		 22°C
(71°F)		 19°C
(67°F)		 14°C
(58°F)
Minimum 10°C
(50°F)		 10°C
(51°F)		 16°C
(61°F)		 17°C
(63°F)		 20°C
(69°F)		 26°C
(78°F)		 26°C
(78°F)		 26°C
(78°F)		 25°C
(77°F)		 21°C
(70°F)		 17°C
(63°F)		 13°C
(56°F)

Compare climate in Haikou with other places

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

Monthly average precipitation in Haikou, China §

Haikou usually has the most precipitation in July, August and October, with an average of 19 rainy days and 219 mm (8.6 inches) of precipitation per month. The driest months in Haikou are January, March and December. On average, 27 mm (1.1 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Haikou, 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) 39 (1.5) 30 (1.2) 87 (3.4) 90 (3.6) 134 (5.3) 169 (6.6) 275 (10.8) 159 (6.3) 215 (8.5) 43 (1.7) 28 (1.1)
Average precipitation days (≥ 1 mm) 6 6 8 13 16 15 18 21 18 18 9 8

Monthly sunshine hours in Haikou, China §

The sunniest months in Haikou are May, June and July, when the sun shines an average of 10 hours 9 minutes a day. Least sunny months in Haikou: January, February and December receive an average of 7 hours 27 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Haikou, 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 191 250 284 282 313 303 317 285 294 278 255 237
Mean daily daylight hours 11h 3m 11h 28m 12h 1m 12h 35m 13h 4m 13h 18m 13h 11m 12h 46m 12h 13m 11h 39m 11h 10m 10h 55m

Solar UV radiation in Haikou, China §

Haikou experiences the highest level of ultraviolet (UV) radiation in May, August and September, when the maximum UV index can reach values of 13 - 13, 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 Haikou UV Index data.

Average daily maximum UV levels by month for Haikou, 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 12 13 13 13 13 13 12 9 8

Detailed Monthly Weather Insights for Haikou, China

Discover in-depth weather details for every month in Haikou. 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 Haikou'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.