Last updated: May 6, 2024
Under the Köppen–Geiger climate classification Siheyuan features a cold semi-arid climate (BSk).Temperatures typically range between -5 °C (23 °F) and 22 °C (72 °F) through the year, but rarely can drop to -23 °C (-9 °F) or can rise to as high as 35 °C (96 °F).The average annual precipitation amounts to about 535 mm (21.1 inches) and receives 70 rainy days on the 1 mm (0.04 inches) threshold annually.Siheyuan enjoys an average of 3428 hours of sunshine throughout the year, and daylight varies from 9 hours 40 minutes to 14 hours 37 minutes per day.
The warmest months in Siheyuan are June, July and August, with daily mean temperatures ranging from 20 to 22 °C (68 - 72 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -5 to -2 °C (23 - 28 °F) throughout the day. On average each year, Siheyuan experiences 61 days above 25 °C (77.0 °F) and 124 days below 0 °C (32.0 °F).
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Maximum | 10°C (51°F) | 18°C (65°F) | 23°C (74°F) | 29°C (84°F) | 31°C (87°F) | 32°C (90°F) | 35°C (96°F) | 35°C (95°F) | 29°C (84°F) | 26°C (79°F) | 16°C (62°F) | 10°C (50°F) |
Mean maximum | 7°C (45°F) | 12°C (55°F) | 20°C (67°F) | 25°C (78°F) | 30°C (86°F) | 30°C (87°F) | 32°C (90°F) | 31°C (88°F) | 26°C (79°F) | 21°C (70°F) | 15°C (59°F) | 8°C (47°F) |
Average high | 0°C (33°F) | 4°C (40°F) | 11°C (53°F) | 17°C (63°F) | 22°C (72°F) | 25°C (78°F) | 27°C (81°F) | 25°C (77°F) | 21°C (69°F) | 14°C (57°F) | 8°C (46°F) | 1°C (34°F) |
Daily mean | -5°C (23°F) | -2°C (28°F) | 5°C (42°F) | 11°C (52°F) | 16°C (61°F) | 20°C (68°F) | 22°C (72°F) | 20°C (69°F) | 15°C (60°F) | 8°C (47°F) | 2°C (36°F) | -5°C (24°F) |
Average low | -10°C (14°F) | -8°C (19°F) | -0°C (32°F) | 5°C (41°F) | 10°C (49°F) | 14°C (58°F) | 17°C (63°F) | 16°C (61°F) | 11°C (52°F) | 4°C (40°F) | -2°C (28°F) | -9°C (16°F) |
Mean minimum | -17°C (1°F) | -15°C (5°F) | -7°C (20°F) | -3°C (27°F) | 3°C (37°F) | 10°C (51°F) | 13°C (56°F) | 11°C (52°F) | 6°C (44°F) | -2°C (28°F) | -9°C (16°F) | -16°C (4°F) |
Minimum | -23°C (-9°F) | -20°C (-3°F) | -8°C (19°F) | -4°C (25°F) | 1°C (33°F) | 9°C (48°F) | 11°C (53°F) | 10°C (51°F) | 4°C (40°F) | -3°C (26°F) | -11°C (13°F) | -20°C (-4°F) |
Compare temperature, precipitation, sunshine, UV index in Siheyuan, Gansu, China with other places around the world.
Siheyuan usually has the most precipitation in July, August and September, with an average of 10 rainy days and 104 mm (4.1 inches) of precipitation per month.The driest months in Siheyuan are January, February and December. On average, 8 mm (0.3 inches) of precipitation falls during these months.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Average precipitation mm (inches) | 6 (0.3) | 13 (0.5) | 17 (0.7) | 34 (1.4) | 34 (1.3) | 51 (2.0) | 94 (3.7) | 150 (5.9) | 68 (2.7) | 50 (2.0) | 15 (0.6) | 4 (0.2) |
Average precipitation days (≥ 1 mm) | 1 | 3 | 4 | 6 | 5 | 8 | 11 | 12 | 9 | 7 | 3 | 1 |
The sunniest months in Siheyuan are May, June and July, when the sun shines an average of 10 hours 44 minutes a day.Least sunny months in Siheyuan: January, October and November receive an average of 7 hours 59 minutes of sunshine daily.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Mean monthly sunshine hours | 216 | 270 | 292 | 285 | 325 | 323 | 340 | 310 | 275 | 259 | 259 | 269 |
Mean daily daylight hours | 9h 56m | 10h 49m | 11h 57m | 13h 8m | 14h 7m | 14h 37m | 14h 22m | 13h 30m | 12h 23m | 11h 12m | 10h 11m | 9h 40m |
Siheyuan experiences the highest level of ultraviolet (UV) radiation in June, July and August, when the maximum UV index can reach values of 11 - 12, 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 Siheyuan UV Index data.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
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UV Index (month maximum) | 4 | 5 | 7 | 10 | 11 | 12 | 12 | 11 | 9 | 7 | 4 | 3 |