Temperature
Hot by day, warm at night.
August is among the hottest months, with some of the year’s highest rainfall totals and muggy conditions.
Hot by day, warm at night.
It rains on most days. About 20 wet days, the highest monthly average.
Cloudier spells limit sunshine.
Very hot days with very humid air.
In August, afternoons feel about 96° and nights feel near 90°.
Mostly cloudy skies this month.
Calm winds are typical in August.
August late afternoons are around 87°F, easing to about 83°F in early evening.
| Month | High°F | Low°F | Rainin | Wet days | Sunh | Humidity% | Sea°F |
|---|---|---|---|---|---|---|---|
| Jan | 65 | 52 | 1.5 | 5 | 8.1 | 72 | 69 |
| Feb | 66 | 54 | 2.3 | 8 | 7.4 | 75 | 69 |
| Mar | 71 | 58 | 3.4 | 11 | 7.4 | 75 | 71 |
| Apr | 77 | 66 | 4.6 | 12 | 8.2 | 77 | 74 |
| May | 83 | 73 | 7.5 | 17 | 8.1 | 80 | 78 |
| Jun | 87 | 78 | 9.8 | 20 | 8.6 | 84 | 82 |
| Jul | 90 | 80 | 7.5 | 17 | 10.6 | 82 | 84 |
| Aug | 90 | 80 | 9.7 | 20 | 9.8 | 83 | 84 |
| Sep | 88 | 77 | 5.4 | 13 | 10.0 | 78 | 83 |
| Oct | 83 | 71 | 1.8 | 4 | 9.6 | 70 | 80 |
| Nov | 77 | 64 | 2.1 | 5 | 8.5 | 71 | 76 |
| Dec | 68 | 55 | 1.5 | 5 | 8.0 | 70 | 72 |
Similar climates
Want a side-by-side climate view? Compare Xiamen with Hong Kong.
Typical monthly values are based on long-term climate records. Useful for planning, not a forecast. Check the weather before you travel.
Sunshine: source type is not yet identified at metric level.
Local microclimates can vary by beach, neighborhood, trail, or elevation.
Last updated: Jul 27, 2026
Data & methodology