Changshu weather in December
December is one of the least pleasant months in Changshu: highs of 10°C (50°F) and about 43 mm (1.7 in) of rain on average. Nights average 1°C (33°F) and cloud cover 56% (NASA POWER, 2001–2025 averages). The sea averages 10°C (49°F). It is the driest month of the year and the 2nd coolest. Compared with November, it is cooler and drier; January brings highs of 8°C (46°F) and 60 mm (2.4 in) of rain.
Is December a good time to visit Changshu?
least pleasant month Weather score 51/100.
December is one of the least pleasant months for weather in Changshu. For better conditions, consider Apr–May, Sep–Nov.
Does it rain a lot in Changshu in December?
No, it is usually dry: about 43 mm (1.7 in) falls in an average December. It is the driest month of the year.
How warm is Changshu in December?
Days average 10°C (50°F) and nights 1°C (33°F).
Changshu weather by month
| Month | High | Low | Rain | Cloud | Sea | Weather |
|---|---|---|---|---|---|---|
| January | 8°C (46°F) | -1°C (30°F) | 60 mm | 65% | 6°C (44°F) | least pleasant |
| February | 10°C (50°F) | 1°C (33°F) | 71 mm | 68% | 6°C (44°F) | least pleasant |
| March | 15°C (59°F) | 4°C (40°F) | 76 mm | 65% | 10°C (51°F) | fair |
| April | 21°C (70°F) | 10°C (50°F) | 95 mm | 66% | 17°C (63°F) | best |
| May | 27°C (80°F) | 16°C (60°F) | 92 mm | 71% | 22°C (72°F) | best |
| June | 30°C (85°F) | 20°C (69°F) | 179 mm | 79% | 26°C (79°F) | fair |
| July | 32°C (90°F) | 25°C (77°F) | 188 mm | 71% | 31°C (88°F) | least pleasant |
| August | 32°C (89°F) | 25°C (76°F) | 159 mm | 66% | 33°C (91°F) | fair |
| September | 28°C (82°F) | 20°C (67°F) | 116 mm | 63% | 30°C (86°F) | best |
| October | 23°C (74°F) | 13°C (56°F) | 66 mm | 57% | 24°C (74°F) | best |
| November | 17°C (63°F) | 7°C (45°F) | 64 mm | 57% | 17°C (62°F) | best |
| December | 10°C (50°F) | 1°C (33°F) | 43 mm | 56% | 10°C (49°F) | least pleasant |
Sources: 2001–2025 monthly averages from NASA POWER (MERRA-2 reanalysis), sea temperature from Open-Meteo Marine. Page updated . How we rate months