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Monthly climate in Sanmenxia, Henan, China

Last updated: March 2, 2024

Under the Köppen–Geiger climate classification Sanmenxia features a humid subtropical climate (Cwa). Temperatures typically range between -1 °C (31 °F) and 25 °C (78 °F) through the year, but rarely can drop to -14 °C (6 °F) or can rise to as high as 37 °C (99 °F). The average annual precipitation amounts to about 714 mm (28.1 inches) and receives 78 rainy days on the 1 mm (0.04 inches) threshold annually. Sanmenxia enjoys an average of 3218 hours of sunshine throughout the year, and daylight varies from 9 hours 50 minutes to 14 hours 26 minutes per day.

Monthly average temperatures in Sanmenxia, Henan, China §

The warmest months in Sanmenxia are June, July and August, with daily mean temperatures ranging from 24 to 25 °C (75 - 78 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -1 to 3 °C (31 - 37 °F) throughout the day. On average each year, Sanmenxia experiences 104 days above 25 °C (77.0 °F) and 80 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Sanmenxia, Henan, 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 12°C
(54°F)		 22°C
(72°F)		 28°C
(82°F)		 31°C
(89°F)		 35°C
(96°F)		 36°C
(97°F)		 37°C
(99°F)		 37°C
(99°F)		 33°C
(93°F)		 27°C
(82°F)		 21°C
(71°F)		 13°C
(56°F)
Mean maximum 9°C
(49°F)		 17°C
(63°F)		 24°C
(75°F)		 29°C
(85°F)		 34°C
(93°F)		 34°C
(93°F)		 36°C
(96°F)		 35°C
(96°F)		 32°C
(90°F)		 24°C
(76°F)		 20°C
(68°F)		 11°C
(52°F)
Average high 3°C
(38°F)		 8°C
(46°F)		 15°C
(59°F)		 20°C
(68°F)		 25°C
(78°F)		 29°C
(85°F)		 30°C
(86°F)		 29°C
(85°F)		 24°C
(76°F)		 17°C
(62°F)		 12°C
(54°F)		 5°C
(41°F)
Daily mean -1°C
(31°F)		 3°C
(37°F)		 10°C
(49°F)		 14°C
(58°F)		 20°C
(68°F)		 24°C
(75°F)		 25°C
(78°F)		 25°C
(77°F)		 20°C
(68°F)		 13°C
(55°F)		 7°C
(46°F)		 1°C
(33°F)
Average low -4°C
(25°F)		 -2°C
(29°F)		 5°C
(41°F)		 9°C
(49°F)		 14°C
(57°F)		 19°C
(66°F)		 22°C
(71°F)		 21°C
(70°F)		 16°C
(61°F)		 9°C
(49°F)		 3°C
(39°F)		 -3°C
(27°F)
Mean minimum -10°C
(15°F)		 -6°C
(21°F)		 -1°C
(30°F)		 3°C
(37°F)		 9°C
(48°F)		 14°C
(57°F)		 18°C
(65°F)		 16°C
(61°F)		 12°C
(54°F)		 4°C
(39°F)		 -2°C
(28°F)		 -9°C
(16°F)
Minimum -14°C
(6°F)		 -10°C
(15°F)		 -2°C
(29°F)		 0°C
(33°F)		 6°C
(44°F)		 11°C
(53°F)		 17°C
(63°F)		 13°C
(55°F)		 10°C
(50°F)		 3°C
(38°F)		 -4°C
(26°F)		 -11°C
(12°F)

Compare climate in Sanmenxia with other places

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

Monthly average precipitation in Sanmenxia, Henan, China §

Sanmenxia usually has the most precipitation in July, August and September, with an average of 10 rainy days and 123 mm (4.9 inches) of precipitation per month. The driest months in Sanmenxia are January, November and December. On average, 13 mm (0.5 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Sanmenxia, Henan, 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) 15 (0.6) 20 (0.8) 26 (1.0) 52 (2.0) 44 (1.7) 92 (3.6) 107 (4.2) 106 (4.2) 157 (6.2) 70 (2.7) 19 (0.7) 6 (0.2)
Average precipitation days (≥ 1 mm) 3 3 5 8 6 8 12 11 8 9 4 1

Monthly sunshine hours in Sanmenxia, Henan, China §

The sunniest months in Sanmenxia are May, July and August, when the sun shines an average of 10 hours 13 minutes a day. Least sunny months in Sanmenxia: January, September and October 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 Sanmenxia, Henan, 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 200 255 281 269 317 298 321 311 242 219 247 252
Mean daily daylight hours 10h 5m 10h 54m 11h 58m 13h 3m 13h 59m 14h 26m 14h 12m 13h 24m 12h 21m 11h 16m 10h 19m 9h 50m

Solar UV radiation in Sanmenxia, Henan, China §

Sanmenxia experiences the highest level of ultraviolet (UV) radiation in May, June and July, when the maximum UV index can reach values of 11 - 11, which corresponds to the Extreme category of sun exposure. January, November and December are in the Moderate exposure category. In these months, the maximum values of the UV index do not exceed 4. For more detailed information, check out our hourly Sanmenxia UV Index data.

Average daily maximum UV levels by month for Sanmenxia, Henan, 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) 4 5 7 9 11 11 11 10 9 8 4 3

Detailed Monthly Weather Insights for Sanmenxia, Henan, China

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