Last updated: May 6, 2024
Under the Köppen–Geiger climate classification Henan features a humid continental climate (Dwb).Temperatures typically range between -20 °C (-4 °F) and 23 °C (74 °F) through the year, but rarely can drop to -38 °C (-36 °F) or can rise to as high as 36 °C (97 °F).The average annual precipitation amounts to about 689 mm (27.1 inches) and receives 79 rainy days on the 1 mm (0.04 inches) threshold annually.Henan enjoys an average of 3272 hours of sunshine throughout the year, and daylight varies from 8 hours 26 minutes to 15 hours 57 minutes per day.
The warmest months in Henan are June, July and August, with daily mean temperatures ranging from 19 to 23 °C (66 - 74 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -20 to -15 °C (-4 - 5 °F) throughout the day. On average each year, Henan experiences 46 days above 25 °C (77.0 °F) and 171 days below 0 °C (32.0 °F).
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Maximum | -4°C (25°F) | 8°C (46°F) | 17°C (63°F) | 27°C (80°F) | 32°C (89°F) | 36°C (97°F) | 34°C (94°F) | 30°C (85°F) | 28°C (83°F) | 25°C (77°F) | 14°C (57°F) | 5°C (41°F) |
Mean maximum | -8°C (18°F) | -0°C (32°F) | 12°C (55°F) | 22°C (73°F) | 30°C (85°F) | 29°C (85°F) | 32°C (90°F) | 29°C (84°F) | 26°C (78°F) | 20°C (69°F) | 9°C (48°F) | -3°C (27°F) |
Average high | -14°C (6°F) | -10°C (15°F) | 2°C (36°F) | 12°C (53°F) | 19°C (67°F) | 24°C (75°F) | 28°C (82°F) | 24°C (75°F) | 19°C (67°F) | 10°C (51°F) | -3°C (28°F) | -13°C (8°F) |
Daily mean | -20°C (-4°F) | -15°C (5°F) | -4°C (26°F) | 6°C (43°F) | 14°C (57°F) | 19°C (66°F) | 23°C (74°F) | 20°C (67°F) | 14°C (58°F) | 5°C (41°F) | -7°C (19°F) | -18°C (0°F) |
Average low | -25°C (-12°F) | -21°C (-5°F) | -9°C (16°F) | -0°C (32°F) | 7°C (46°F) | 14°C (57°F) | 19°C (66°F) | 16°C (60°F) | 9°C (48°F) | -1°C (31°F) | -11°C (12°F) | -22°C (-7°F) |
Mean minimum | -31°C (-24°F) | -29°C (-19°F) | -20°C (-3°F) | -7°C (19°F) | 0°C (33°F) | 8°C (47°F) | 14°C (57°F) | 8°C (47°F) | 1°C (35°F) | -7°C (19°F) | -20°C (-4°F) | -28°C (-19°F) |
Minimum | -38°C (-36°F) | -32°C (-25°F) | -29°C (-20°F) | -10°C (14°F) | -1°C (30°F) | 6°C (43°F) | 12°C (55°F) | 4°C (40°F) | -0°C (32°F) | -9°C (16°F) | -25°C (-13°F) | -32°C (-25°F) |
Compare temperature, precipitation, sunshine, UV index in Henan, Heilongjiang, China with other places around the world.
Henan usually has the most precipitation in June, July and August, with an average of 14 rainy days and 150 mm (5.9 inches) of precipitation per month.The driest months in Henan are January, February and December. On average, 5 mm (0.2 inches) of precipitation falls during these months.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Average precipitation mm (inches) | 4 (0.1) | 5 (0.2) | 12 (0.5) | 33 (1.3) | 42 (1.7) | 123 (4.9) | 154 (6.1) | 173 (6.8) | 95 (3.8) | 22 (0.9) | 18 (0.7) | 6 (0.2) |
Average precipitation days (≥ 1 mm) | 1 | 1 | 3 | 4 | 7 | 13 | 15 | 16 | 10 | 4 | 4 | 1 |
The sunniest months in Henan are May, June and July, when the sun shines an average of 10 hours 51 minutes a day.Least sunny months in Henan: January, November and December receive an average of 6 hours 47 minutes of sunshine daily.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Mean monthly sunshine hours | 184 | 241 | 285 | 308 | 332 | 324 | 341 | 280 | 278 | 254 | 214 | 225 |
Mean daily daylight hours | 8h 51m | 10h 12m | 11h 54m | 13h 39m | 15h 10m | 15h 57m | 15h 33m | 14h 13m | 12h 32m | 10h 48m | 9h 15m | 8h 26m |
Henan experiences the highest level of ultraviolet (UV) radiation in June, July and August, when the maximum UV index can reach values of 8 - 9, which corresponds to the Very High category of sun exposure.January, February and December are in the Low exposure category. In these months, the maximum values of the UV index do not exceed 2. For more detailed information, check out our hourly Henan UV Index data.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
UV Index (month maximum) | 2 | 2 | 4 | 6 | 7 | 8 | 9 | 8 | 6 | 4 | 2 | 1 |