Taichung is warmest in July, averaging 32° by day and 25° at night. The wettest month is August with 242 mm, and the year brings about 1238 mm in total.
Month by month
| Month | High | Low | Rain | Sea | Daylight | Good for |
|---|---|---|---|---|---|---|
| January | 23° | 13° | 22 mm | 19° | 10.7 h | Sightseeing |
| February | 24° | 14° | 42 mm | 20° | 11.2 h | Sightseeing |
| March | 27° | 16° | 62 mm | 23° | 11.8 h | Beach weather |
| April | 29° | 20° | 75 mm | 25° | 12.6 h | Beach weather |
| May | 31° | 22° | 226 mm | 27° | 13.2 h | Rainy season |
| June | 30° | 24° | 198 mm | 29° | 13.5 h | Rainy season |
| July | 32° | 25° | 140 mm | 30° | 13.4 h | Mild |
| August | 31° | 25° | 242 mm | 30° | 12.8 h | Rainy season |
| September | 31° | 24° | 102 mm | 29° | 12.1 h | Beach weather |
| October | 31° | 21° | 71 mm | 27° | 11.4 h | Beach weather |
| November | 29° | 20° | 27 mm | 24° | 10.8 h | Beach weather |
| December | 24° | 15° | 31 mm | 22° | 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: March, April, September, October and November — highs around 29°, nights no colder than 16°, and at most 102 mm of rain in a month. The sea sits at 23–29° then.
Walking the city: January, February and December — highs of 23–24° and no more than 42 mm of rain a month.
Wet season: May, June and August — up to 242 mm in a single month.