Yiwu is warmest in August, averaging 32° by day and 23° at night. The wettest month is June with 336 mm, and the year brings about 1675 mm in total.
Month by month
| Month | High | Low | Rain | Daylight | Good for |
|---|---|---|---|---|---|
| January | 11° | -1° | 65 mm | 10.3 h | Cool |
| February | 13° | 1° | 118 mm | 11.0 h | Mild |
| March | 18° | 5° | 161 mm | 11.8 h | Mild |
| April | 22° | 11° | 141 mm | 12.7 h | Mild |
| May | 26° | 16° | 202 mm | 13.5 h | Rainy season |
| June | 29° | 20° | 336 mm | 13.9 h | Rainy season |
| July | 31° | 24° | 167 mm | 13.7 h | Mild |
| August | 32° | 23° | 167 mm | 13.1 h | Mild |
| September | 29° | 19° | 144 mm | 12.2 h | Mild |
| October | 23° | 13° | 62 mm | 11.3 h | Sightseeing |
| November | 19° | 8° | 81 mm | 10.5 h | Sightseeing |
| December | 11° | 1° | 31 mm | 10.1 h | Cool |
High and low are average daily maximum and minimum, rain is typical monthly total, daylight is the hours between sunrise and sunset mid-month. Climate normals from NASA POWER — averages, not promises.
When to go
Beach weather: No month in Yiwu combines swimming warmth with dry skies.
Walking the city: October and November — highs of 19–23° and no more than 81 mm of rain a month.
Wet season: May and June — up to 336 mm in a single month.