The best time to visit Taiwan
The best time to visit Taiwan for warm, sunny weather is October to January, when its destinations average a Sunshine Score of 73/100 with daytime highs around 22°C / 72°F. September and February are quieter shoulder-season alternatives with still-reliable sun. The sea is swimmable (21°C+) about 10 months a year, warmest in July at 31°C.
Taiwan by month, averaged across 7 destinations from long-term climate normals — the best stretch is highlighted.
| Month | Sunshine Score | Avg day high | Rain | Sea | For a trip |
|---|---|---|---|---|---|
| January | 64 | 18° / 64°F | 62 mm | 20° | Very good |
| February | 68 | 19° / 66°F | 59 mm | 20° | Very good |
| March | 68 | 21° / 70°F | 96 mm | 21° | Very good |
| April | 69 | 24° / 75°F | 106 mm | 25° | Very good |
| May | 62 | 27° / 81°F | 201 mm | 26° | Very good |
| June | 62 | 28° / 82°F | 261 mm | 29° | Very good |
| July | 62 | 29° / 84°F | 197 mm | 31° | Very good |
| August | 62 | 29° / 84°F | 291 mm | 30° | Very good |
| September | 62 | 28° / 82°F | 196 mm | 30° | Very good |
| October | 77 | 26° / 79°F | 70 mm | 27° | Excellent |
| November | 77 | 23° / 73°F | 69 mm | 25° | Excellent |
| December | 73 | 20° / 68°F | 58 mm | 21° | Excellent |
When to go — and when to think twice
Best overall: October to January — Taiwan's warmest, most reliable stretch (Sunshine Score 73/100, ~22°C / 72°F days). Shoulder season: September and February — quieter, still sunny. Hottest: July, ~29°C / 84°F. Wettest: August (291 mm) — pack for showers.
Where to base yourself for sunshine: Kaohsiung (Xiaogang) (2,015 h/yr), Shang-I (2,015 h/yr), Magong (1,971 h/yr). See every Taiwan destination with a full climate card, or where it's sunny worldwide, month by month.