Kaohsiung is warmest in July, averaging 31° by day and 26° at night. The wettest month is August with 301 mm, and the year brings about 1430 mm in total.
Month by month
| Month | High | Low | Rain | Sea | Daylight | Good for |
|---|---|---|---|---|---|---|
| January | 24° | 18° | 34 mm | 24° | 10.8 h | Sightseeing |
| February | 26° | 19° | 34 mm | 24° | 11.2 h | Beach weather |
| March | 28° | 20° | 34 mm | 25° | 11.8 h | Beach weather |
| April | 30° | 22° | 63 mm | 27° | 12.5 h | Beach weather |
| May | 31° | 25° | 171 mm | 28° | 13.1 h | Mild |
| June | 30° | 26° | 171 mm | 30° | 13.4 h | Mild |
| July | 31° | 26° | 226 mm | 30° | 13.3 h | Rainy season |
| August | 30° | 26° | 301 mm | 30° | 12.8 h | Rainy season |
| September | 30° | 25° | 144 mm | 30° | 12.1 h | Mild |
| October | 30° | 24° | 146 mm | 28° | 11.5 h | Mild |
| November | 28° | 22° | 66 mm | 27° | 10.9 h | Beach weather |
| December | 25° | 19° | 40 mm | 25° | 10.6 h | Beach weather |
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: February, March, April, November and December — highs around 27°, nights no colder than 19°, and at most 66 mm of rain in a month. The sea sits at 24–27° then.
Walking the city: January — highs of 24–24° and no more than 34 mm of rain a month.
Wet season: July and August — up to 301 mm in a single month.