Kaifeng is warmest in June, averaging 35° by day and 21° at night. The wettest month is July with 360 mm, and the year brings about 935 mm in total.
Month by month
| Month | High | Low | Rain | Daylight | Good for |
|---|---|---|---|---|---|
| January | 6° | -4° | 19 mm | 9.9 h | Cool |
| February | 10° | -2° | 25 mm | 10.7 h | Cool |
| March | 18° | 3° | 22 mm | 11.7 h | Sightseeing |
| April | 24° | 9° | 33 mm | 12.9 h | Sightseeing |
| May | 30° | 16° | 53 mm | 13.8 h | Beach weather |
| June | 35° | 21° | 72 mm | 14.3 h | Beach weather |
| July | 33° | 24° | 360 mm | 14.1 h | Rainy season |
| August | 32° | 23° | 161 mm | 13.3 h | Mild |
| September | 29° | 17° | 102 mm | 12.2 h | Beach weather |
| October | 22° | 10° | 43 mm | 11.1 h | Sightseeing |
| November | 15° | 3° | 36 mm | 10.1 h | Mild |
| December | 7° | -3° | 9 mm | 9.7 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: May, June and September — highs around 31°, nights no colder than 16°, and at most 102 mm of rain in a month.
Walking the city: March, April and October — highs of 18–24° and no more than 43 mm of rain a month.
Wet season: July — up to 360 mm in a single month.