Taichung weather in December

December is the month regulars name for Sun Moon Lake: nice weather, and not many visitors by this lake's standards - which matters, because tour groups put it on every itinerary and the ferry and the cable car queue even on weekdays. The qualification is fog, which does settle here in the cooler months, though December is normally among Taiwan's driest. On the bikeway the usual advice comes sharpened: some stretches are crowded enough that you are required to dismount and walk, and the rental places open at six, so a seven o'clock start buys the lake to yourself. The record: 19.5C days, 12.2C nights, 8.3 precipitation days carrying 39.3mm, 8.7 hours of sun and AQI 74.

Forum posters describe July and August in Taiwan as warm and humid, with temperatures commonly in the 33-36C range, and August sitting right in the middle of typhoon season (June through October), with August, July and September the three months most likely to see one make landfall. Posters are consistent that most summer rain actually comes as short, predictable afternoon thunderstorms lasting 30-60 minutes, with mornings typically sunny and clear - a pattern that lets visitors plan outdoor sightseeing for the morning and save indoor activities for the afternoon rain window. Posters note that if a typhoon does hit during a trip, it typically costs travelers one or two disrupted days with transport and parks shut down, though most storms just pass by without a direct hit. Posters generally rate August as hot, humid and genuinely typhoon-season for Taichung, workable with flexible plans and a morning-outdoor, afternoon-indoor rhythm.

Forum posters describe February in southern/central Taiwan as cool and pleasant, generally 15-20C, though cold snaps from the north can push temperatures down toward 10-12C with little warning even as some days climb into the high 20s. Winter counts as the dry season, which posters call a genuine advantage for outdoor sightseeing despite the cooler air. The standard packing list is layers - long pants, a light jacket, and a compact umbrella - with thicker layers reserved for any side trip up to higher-altitude spots like Alishan, and something warm for chilly evenings at the night markets.