Monthly climate in Hekou, Yunnan, China

Last updated: March 2, 2024

Under the Köppen–Geiger climate classification Hekou features a humid subtropical climate (Cfa). Temperatures typically range between 15 °C (59 °F) and 27 °C (81 °F) through the year, but rarely can drop to 3 °C (38 °F) or can rise to as high as 37 °C (99 °F). The average annual precipitation amounts to about 2081 mm (81.9 inches) and receives 238 rainy days on the 1 mm (0.04 inches) threshold annually. Hekou enjoys an average of 3125 hours of sunshine throughout the year, and daylight varies from 10 hours 45 minutes to 13 hours 28 minutes per day.

Monthly average temperatures in Hekou, Yunnan, China §

The warmest months in Hekou are June, July and August, with daily mean temperatures ranging from 26 to 27 °C (80 - 81 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 15 to 16 °C (59 - 60 °F) throughout the day. On average each year, Hekou experiences 188 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 Hekou, Yunnan, 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
(78°F)
31°C
(87°F)
33°C
(91°F)
36°C
(98°F)
37°C
(99°F)
36°C
(97°F)
35°C
(96°F)
35°C
(96°F)
34°C
(93°F)
31°C
(88°F)
30°C
(86°F)
26°C
(80°F)
Mean maximum 25°C
(77°F)
27°C
(82°F)
32°C
(89°F)
34°C
(94°F)
35°C
(95°F)
34°C
(93°F)
34°C
(94°F)
35°C
(95°F)
33°C
(92°F)
30°C
(86°F)
28°C
(83°F)
24°C
(76°F)
Average high 19°C
(66°F)
20°C
(68°F)
24°C
(76°F)
27°C
(80°F)
29°C
(85°F)
31°C
(88°F)
30°C
(86°F)
30°C
(87°F)
29°C
(84°F)
25°C
(78°F)
23°C
(73°F)
19°C
(66°F)
Daily mean 15°C
(59°F)
16°C
(60°F)
19°C
(67°F)
22°C
(72°F)
25°C
(77°F)
27°C
(81°F)
26°C
(80°F)
26°C
(80°F)
25°C
(77°F)
22°C
(72°F)
19°C
(66°F)
15°C
(59°F)
Average low 12°C
(54°F)
12°C
(54°F)
16°C
(60°F)
18°C
(65°F)
22°C
(71°F)
24°C
(76°F)
24°C
(75°F)
24°C
(75°F)
22°C
(73°F)
20°C
(67°F)
16°C
(61°F)
12°C
(53°F)
Mean minimum 7°C
(46°F)
9°C
(48°F)
12°C
(54°F)
14°C
(57°F)
18°C
(64°F)
22°C
(71°F)
22°C
(73°F)
22°C
(71°F)
20°C
(68°F)
15°C
(60°F)
12°C
(53°F)
7°C
(44°F)
Minimum 4°C
(39°F)
6°C
(42°F)
11°C
(52°F)
11°C
(52°F)
15°C
(60°F)
20°C
(68°F)
22°C
(72°F)
21°C
(71°F)
18°C
(64°F)
14°C
(57°F)
10°C
(51°F)
3°C
(38°F)

Compare climate in Hekou with other places

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

Monthly average precipitation in Hekou, Yunnan, China §

Hekou usually has the most precipitation in July, August and October, with an average of 22 rainy days and 252 mm (9.9 inches) of precipitation per month. The driest months in Hekou are February, November and December. On average, 101 mm (4.0 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Hekou, Yunnan, 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) 109 (4.3) 105 (4.1) 167 (6.6) 195 (7.7) 160 (6.3) 202 (7.9) 225 (8.8) 313 (12.3) 193 (7.6) 217 (8.6) 100 (3.9) 97 (3.8)
Average precipitation days (≥ 1 mm) 18 18 23 19 19 20 24 22 20 22 18 15

Monthly sunshine hours in Hekou, Yunnan, China §

The sunniest months in Hekou are May, June and September, when the sun shines an average of 9 hours 43 minutes a day. Least sunny months in Hekou: January, February and December receive an average of 7 hours 5 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Hekou, Yunnan, 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 173 229 273 255 312 284 283 278 287 261 241 241
Mean daily daylight hours 10h 54m 11h 23m 12h 1m 12h 40m 13h 12m 13h 28m 13h 20m 12h 52m 12h 14m 11h 36m 11h 2m 10h 45m

Solar UV radiation in Hekou, Yunnan, China §

Hekou 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 High / 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 Hekou UV Index data.

Average daily maximum UV levels by month for Hekou, Yunnan, 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 10 12 13 14 14 14 14 13 12 9 7

Detailed Monthly Weather Insights for Hekou, Yunnan, China

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