| Jan |
Good ✓ |
Cool 13–19°C, occasional drizzle |
Open, accessible, cooler trails |
Cool, quiet, plum blossom |
India winter school break — good window |
| Feb |
Good ✓ |
Cool 14–19°C; Lunar New Year festive |
Good conditions, fewer visitors |
Cherry blossom begins at altitude |
Lunar New Year — book well ahead; some closures |
| Mar |
Good ✓✓ |
Mild 16–22°C, spring flowers |
Excellent — dry, full access |
Cherry blossom peak at Alishan |
Good post-Holi window; cherry blossom draw |
| Apr |
Excellent ✓✓✓ |
Warm 20–26°C, low humidity, clear |
Best hiking month — dry, open |
Tea harvest season, excellent |
School holidays in some states; ideal month |
| May |
Good ✓✓ |
Warm 23–28°C, humidity rising |
Good — pre-typhoon window |
Lush, green, warm |
Good shoulder month before typhoon season |
| Jun |
Caution |
Hot 26–32°C, rainy, humid |
Typhoon risk begins mid-June |
Warm, rain possible |
Acceptable for city travel only; not recommended for Taroko |
| Jul |
Avoid ✗ |
Hot humid 28–35°C, storm risk |
Typhoon risk HIGH — park closures |
Typhoon risk |
Do not book — high cancellation risk |
| Aug |
Avoid ✗ |
Hot humid 28–35°C, peak typhoon |
Peak typhoon — Taroko may close |
Peak typhoon risk |
Do not book — highest disruption risk of the year |
| Sep |
Caution |
Hot 26–31°C, residual typhoon risk |
Residual typhoon risk to mid-Sep |
Improving after mid-Sep |
Safe only after mid-September; keep plans flexible |
| Oct |
Best Month ✓✓✓ |
Warm 22–27°C, clear, dry |
Excellent — all trails fully open |
Stunning clear-day visibility |
Diwali window — Taiwan's finest month; book 3 months ahead |
| Nov |
Excellent ✓✓✓ |
Mild 18–24°C, ideal walking temp |
Very good, uncrowded |
Excellent, cool and clear |
Post-Diwali window; fewer crowds than October |
| Dec |
Good ✓ |
Cool 15–21°C, festive lights |
Open, cool hiking conditions |
Cool and scenic |
India winter school break — book 3–4 months ahead |