Last updated: May 6, 2024
Under the Köppen–Geiger climate classification Yi'an features a humid continental climate (Dwa).Temperatures typically range between -20 °C (-3 °F) and 24 °C (75 °F) through the year, but rarely can drop to -39 °C (-38 °F) or can rise to as high as 38 °C (100 °F).The average annual precipitation amounts to about 670 mm (26.4 inches) and receives 77 rainy days on the 1 mm (0.04 inches) threshold annually.Yi'an enjoys an average of 3331 hours of sunshine throughout the year, and daylight varies from 8 hours 26 minutes to 15 hours 56 minutes per day.
The warmest months in Yi'an are June, July and August, with daily mean temperatures ranging from 19 to 24 °C (67 - 75 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -20 to -15 °C (-3 - 5 °F) throughout the day. On average each year, Yi'an experiences 50 days above 25 °C (77.0 °F) and 169 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 (47°F) | 17°C (64°F) | 27°C (81°F) | 31°C (89°F) | 38°C (100°F) | 35°C (95°F) | 31°C (88°F) | 29°C (84°F) | 25°C (77°F) | 14°C (57°F) | 5°C (41°F) |
Mean maximum | -8°C (18°F) | 0°C (33°F) | 13°C (55°F) | 23°C (73°F) | 30°C (86°F) | 30°C (87°F) | 32°C (90°F) | 30°C (86°F) | 26°C (79°F) | 20°C (69°F) | 9°C (48°F) | -3°C (27°F) |
Average high | -14°C (7°F) | -9°C (16°F) | 2°C (37°F) | 12°C (54°F) | 20°C (68°F) | 24°C (76°F) | 28°C (83°F) | 24°C (75°F) | 20°C (68°F) | 11°C (51°F) | -2°C (28°F) | -13°C (9°F) |
Daily mean | -20°C (-3°F) | -15°C (5°F) | -3°C (27°F) | 6°C (44°F) | 14°C (58°F) | 19°C (67°F) | 24°C (75°F) | 20°C (68°F) | 14°C (58°F) | 5°C (41°F) | -7°C (20°F) | -18°C (0°F) |
Average low | -24°C (-11°F) | -21°C (-5°F) | -9°C (17°F) | -0°C (32°F) | 8°C (46°F) | 14°C (58°F) | 19°C (66°F) | 16°C (61°F) | 9°C (49°F) | -1°C (31°F) | -11°C (13°F) | -22°C (-7°F) |
Mean minimum | -31°C (-24°F) | -29°C (-20°F) | -19°C (-2°F) | -7°C (19°F) | 0°C (33°F) | 8°C (47°F) | 14°C (57°F) | 9°C (48°F) | 1°C (35°F) | -8°C (19°F) | -20°C (-4°F) | -28°C (-18°F) |
Minimum | -39°C (-38°F) | -35°C (-30°F) | -25°C (-12°F) | -9°C (15°F) | -1°C (30°F) | 6°C (43°F) | 12°C (55°F) | 5°C (41°F) | -0°C (31°F) | -9°C (16°F) | -25°C (-13°F) | -32°C (-24°F) |
Compare temperature, precipitation, sunshine, UV index in Yi'an, Heilongjiang, China with other places around the world.
Yi'an usually has the most precipitation in June, July and August, with an average of 15 rainy days and 147 mm (5.8 inches) of precipitation per month.The driest months in Yi'an 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) | 3 (0.1) | 5 (0.2) | 11 (0.4) | 31 (1.2) | 41 (1.6) | 111 (4.4) | 152 (6.0) | 177 (7.0) | 95 (3.8) | 24 (0.9) | 15 (0.6) | 5 (0.2) |
Average precipitation days (≥ 1 mm) | 0 | 2 | 2 | 4 | 6 | 14 | 15 | 16 | 10 | 4 | 3 | 1 |
The sunniest months in Yi'an are May, June and July, when the sun shines an average of 11 hours 5 minutes a day.Least sunny months in Yi'an: January, November and December receive an average of 6 hours 57 minutes of sunshine daily.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Mean monthly sunshine hours | 188 | 243 | 292 | 309 | 343 | 328 | 347 | 284 | 283 | 258 | 222 | 229 |
Mean daily daylight hours | 8h 51m | 10h 12m | 11h 54m | 13h 39m | 15h 9m | 15h 56m | 15h 32m | 14h 12m | 12h 32m | 10h 48m | 9h 16m | 8h 26m |
Yi'an experiences the highest level of ultraviolet (UV) radiation in June, July and August, when the maximum UV index can reach values of 8 - 8, 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 Yi'an 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 | 8 | 8 | 6 | 4 | 2 | 1 |