Last updated: May 6, 2024
Under the Köppen–Geiger climate classification Chang'an features a humid subtropical climate (Cfa).Temperatures typically range between 6 °C (43 °F) and 30 °C (86 °F) through the year, but rarely can drop to -7 °C (20 °F) or can rise to as high as 40 °C (103 °F).The average annual precipitation amounts to about 1587 mm (62.5 inches) and receives 132 rainy days on the 1 mm (0.04 inches) threshold annually.Chang'an enjoys an average of 2807 hours of sunshine throughout the year, and daylight varies from 10 hours 11 minutes to 14 hours 4 minutes per day.
The warmest months in Chang'an are July, August and September, with daily mean temperatures ranging from 26 to 30 °C (78 - 86 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 6 to 8 °C (43 - 47 °F) throughout the day. On average each year, Chang'an experiences 135 days above 25 °C (77.0 °F) and 12 days below 0 °C (32.0 °F).
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Maximum | 23°C (74°F) | 26°C (79°F) | 29°C (84°F) | 33°C (92°F) | 38°C (100°F) | 37°C (99°F) | 40°C (103°F) | 39°C (103°F) | 36°C (96°F) | 34°C (94°F) | 30°C (87°F) | 23°C (73°F) |
Mean maximum | 19°C (66°F) | 21°C (70°F) | 27°C (80°F) | 31°C (87°F) | 34°C (94°F) | 34°C (93°F) | 38°C (100°F) | 37°C (99°F) | 34°C (94°F) | 31°C (89°F) | 25°C (78°F) | 18°C (65°F) |
Average high | 10°C (49°F) | 11°C (52°F) | 17°C (63°F) | 22°C (72°F) | 27°C (80°F) | 29°C (84°F) | 33°C (91°F) | 34°C (93°F) | 29°C (85°F) | 24°C (75°F) | 19°C (66°F) | 12°C (54°F) |
Daily mean | 6°C (43°F) | 7°C (46°F) | 13°C (55°F) | 17°C (64°F) | 22°C (73°F) | 25°C (78°F) | 29°C (85°F) | 30°C (86°F) | 26°C (78°F) | 20°C (68°F) | 15°C (59°F) | 8°C (47°F) |
Average low | 3°C (38°F) | 4°C (40°F) | 9°C (49°F) | 13°C (56°F) | 18°C (65°F) | 22°C (72°F) | 26°C (80°F) | 27°C (80°F) | 23°C (73°F) | 17°C (62°F) | 11°C (52°F) | 5°C (41°F) |
Mean minimum | -5°C (24°F) | -1°C (31°F) | 3°C (38°F) | 6°C (43°F) | 13°C (55°F) | 19°C (66°F) | 23°C (74°F) | 23°C (74°F) | 17°C (64°F) | 10°C (50°F) | 5°C (41°F) | -2°C (28°F) |
Minimum | -7°C (20°F) | -4°C (25°F) | 1°C (34°F) | 5°C (42°F) | 10°C (50°F) | 16°C (60°F) | 21°C (70°F) | 18°C (65°F) | 15°C (59°F) | 9°C (48°F) | 1°C (34°F) | -4°C (24°F) |
Compare temperature, precipitation, sunshine, UV index in Chang'an, Zhejiang, China with other places around the world.
Chang'an usually has the most precipitation in June, July and August, with an average of 14 rainy days and 250 mm (9.8 inches) of precipitation per month.The driest months in Chang'an are October, November and December. On average, 56 mm (2.2 inches) of precipitation falls during these months.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Average precipitation mm (inches) | 74 (2.9) | 76 (3.0) | 124 (4.9) | 92 (3.6) | 160 (6.3) | 332 (13.1) | 249 (9.8) | 168 (6.6) | 143 (5.6) | 49 (1.9) | 57 (2.2) | 63 (2.5) |
Average precipitation days (≥ 1 mm) | 9 | 9 | 14 | 9 | 12 | 16 | 15 | 13 | 12 | 6 | 9 | 8 |
The sunniest months in Chang'an are May, July and August, when the sun shines an average of 9 hours 21 minutes a day.Least sunny months in Chang'an: January, February and December receive an average of 6 hours 0 minutes of sunshine daily.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Mean monthly sunshine hours | 141 | 194 | 210 | 248 | 273 | 247 | 284 | 312 | 242 | 226 | 214 | 210 |
Mean daily daylight hours | 10h 24m | 11h 5m | 11h 59m | 12h 54m | 13h 41m | 14h 4m | 13h 52m | 13h 12m | 12h 19m | 11h 24m | 10h 36m | 10h 11m |
Chang'an experiences the highest level of ultraviolet (UV) radiation in May, July and August, when the maximum UV index can reach values of 11 - 11, which corresponds to the Extreme category of sun exposure.January, February and December are in the Moderate / High exposure category. In these months, the maximum values of the UV index do not exceed 6. For more detailed information, check out our hourly Chang'an UV Index data.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
UV Index (month maximum) | 5 | 6 | 9 | 10 | 11 | 11 | 11 | 11 | 10 | 8 | 6 | 4 |