Last updated: May 6, 2024
Under the Köppen–Geiger climate classification Yanchiwan features a ice cap climate ET).Temperatures typically range between -19 °C (-1 °F) and 9 °C (49 °F) through the year, but rarely can drop to -38 °C (-37 °F) or can rise to as high as 22 °C (72 °F).The average annual precipitation amounts to about 282 mm (11.1 inches) and receives 66 rainy days on the 1 mm (0.04 inches) threshold annually.Yanchiwan enjoys an average of 3888 hours of sunshine throughout the year, and daylight varies from 9 hours 28 minutes to 14 hours 50 minutes per day.
The warmest months in Yanchiwan are June, July and August, with daily mean temperatures ranging from 6 to 9 °C (43 - 49 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -19 to -16 °C (-1 - 4 °F) throughout the day. On average each year, Yanchiwan experiences 0 days above 25 °C (77.0 °F) and 248 days below 0 °C (32.0 °F).
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Maximum | -1°C (30°F) | 3°C (38°F) | 9°C (49°F) | 15°C (59°F) | 20°C (68°F) | 18°C (65°F) | 22°C (72°F) | 22°C (72°F) | 19°C (66°F) | 14°C (57°F) | 7°C (44°F) | 1°C (34°F) |
Mean maximum | -5°C (23°F) | -1°C (30°F) | 6°C (44°F) | 11°C (53°F) | 16°C (62°F) | 16°C (62°F) | 20°C (68°F) | 21°C (69°F) | 16°C (62°F) | 11°C (52°F) | 4°C (39°F) | -3°C (27°F) |
Average high | -10°C (15°F) | -7°C (20°F) | -1°C (31°F) | 4°C (40°F) | 8°C (47°F) | 11°C (53°F) | 15°C (59°F) | 15°C (60°F) | 12°C (53°F) | 5°C (41°F) | -3°C (27°F) | -9°C (16°F) |
Daily mean | -19°C (-1°F) | -16°C (4°F) | -8°C (17°F) | -3°C (28°F) | 2°C (37°F) | 6°C (43°F) | 9°C (49°F) | 9°C (49°F) | 5°C (41°F) | -2°C (28°F) | -10°C (14°F) | -17°C (1°F) |
Average low | -26°C (-15°F) | -24°C (-11°F) | -17°C (2°F) | -9°C (16°F) | -4°C (26°F) | 1°C (34°F) | 4°C (40°F) | 4°C (40°F) | -1°C (30°F) | -9°C (16°F) | -17°C (2°F) | -24°C (-10°F) |
Mean minimum | -33°C (-28°F) | -32°C (-26°F) | -25°C (-13°F) | -19°C (-2°F) | -12°C (11°F) | -4°C (25°F) | 0°C (32°F) | -1°C (31°F) | -6°C (21°F) | -15°C (5°F) | -25°C (-13°F) | -29°C (-20°F) |
Minimum | -38°C (-36°F) | -38°C (-37°F) | -30°C (-22°F) | -22°C (-8°F) | -17°C (1°F) | -9°C (16°F) | -1°C (30°F) | -3°C (27°F) | -8°C (18°F) | -18°C (0°F) | -29°C (-20°F) | -32°C (-24°F) |
Compare temperature, precipitation, sunshine, UV index in Yanchiwan, Gansu, China with other places around the world.
Yanchiwan usually has the most precipitation in June, July and August, with an average of 12 rainy days and 59 mm (2.3 inches) of precipitation per month.The driest months in Yanchiwan are January, November 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) | 6 (0.2) | 7 (0.3) | 8 (0.3) | 21 (0.8) | 33 (1.3) | 71 (2.8) | 70 (2.7) | 37 (1.4) | 14 (0.6) | 6 (0.2) | 5 (0.2) | 6 (0.2) |
Average precipitation days (≥ 1 mm) | 2 | 1 | 2 | 6 | 9 | 15 | 13 | 9 | 4 | 2 | 1 | 2 |
The sunniest months in Yanchiwan are May, July and August, when the sun shines an average of 11 hours 53 minutes a day.Least sunny months in Yanchiwan: January, February and December receive an average of 8 hours 45 minutes of sunshine daily.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Mean monthly sunshine hours | 230 | 284 | 341 | 340 | 362 | 352 | 377 | 365 | 336 | 324 | 288 | 282 |
Mean daily daylight hours | 9h 45m | 10h 43m | 11h 57m | 13h 13m | 14h 18m | 14h 50m | 14h 34m | 13h 37m | 12h 24m | 11h 8m | 10h 2m | 9h 28m |
Yanchiwan experiences the highest level of ultraviolet (UV) radiation in May, June and July, when the maximum UV index can reach values of 14 - 15, 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 5. For more detailed information, check out our hourly Yanchiwan UV Index data.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
UV Index (month maximum) | 3 | 6 | 10 | 12 | 15 | 14 | 14 | 13 | 11 | 8 | 5 | 3 |