Xiamen is warmest in July, averaging 32° by day and 26° at night. The wettest month is June with 243 mm, and the year brings about 1500 mm in total.
Month by month
| Month | High | Low | Rain | Sea | Daylight | Good for |
|---|---|---|---|---|---|---|
| January | 19° | 10° | 40 mm | 15° | 10.6 h | Sightseeing |
| February | 19° | 10° | 95 mm | 14° | 11.2 h | Sightseeing |
| March | 22° | 13° | 118 mm | 16° | 11.8 h | Mild |
| April | 25° | 17° | 174 mm | 20° | 12.6 h | Mild |
| May | 28° | 22° | 208 mm | 24° | 13.2 h | Rainy season |
| June | 30° | 25° | 243 mm | 27° | 13.5 h | Rainy season |
| July | 32° | 26° | 140 mm | 28° | 13.4 h | Mild |
| August | 31° | 26° | 189 mm | 28° | 12.9 h | Rainy season |
| September | 31° | 24° | 177 mm | 28° | 12.1 h | Mild |
| October | 28° | 20° | 34 mm | 26° | 11.4 h | Beach weather |
| November | 25° | 17° | 51 mm | 22° | 10.8 h | Sightseeing |
| December | 19° | 11° | 31 mm | 18° | 10.5 h | Sightseeing |
High and low are average daily maximum and minimum, rain is typical monthly total, sea is the average surface temperature, daylight is the hours between sunrise and sunset mid-month. Climate normals from NASA POWER and NOAA MUR — averages, not promises.
When to go
Beach weather: October — highs around 28°, nights no colder than 20°, and at most 34 mm of rain in a month. The sea sits at 26–26° then.
Walking the city: January, February, November and December — highs of 19–25° and no more than 95 mm of rain a month.
Wet season: May, June and August — up to 243 mm in a single month.