Taichung weather by month
Taichung runs from about 16°C in January to 28°C in July, with June the wettest month at 383 mm.
warmest month
July
28°C
coolest month
January
16°C
wettest month
June
383 mm
worst air month
April
42 µg/m³
The whole year, month by month.
| Month | Avg temp | Rain | Sun | PM2.5 |
|---|---|---|---|---|
| January | 16°C | 31 mm | 294 h | 30 |
| February | 18°C | 59 mm | 301 h | 34 |
| March | 20°C | 111 mm | 292 h | 36 |
| April | 24°C | 343 mm | 288 h | 42 |
| May | 25°C | 313 mm | 258 h | 38 |
| June | 27°C | 383 mm | 305 h | 25 |
| July | 28°C | 319 mm | 343 h | 27 |
| August | 27°C | 296 mm | 322 h | 30 |
| September | 27°C | 286 mm | 290 h | 36 |
| October | 25°C | 212 mm | 283 h | 31 |
| November | 22°C | 121 mm | 264 h | 26 |
| December | 17°C | 26 mm | 257 h | 25 |
About 3,497 hours of sun a year. Roughly 235 rainy days a year.
These are long-run climate normals, not a forecast. A given year can sit well outside them. PM2.5 is a global model: near the coast it counts sea salt as fine particulate and reads high against ground stations, sometimes by a factor of two. Use the shape of the year, not the absolute number.
where these numbers come from
- · Temperature, rainfall and sunshine: ECMWF ERA5 reanalysis climate normals via Open-Meteo (CC BY 4.0), fetched once and stored.
- · PM2.5: Copernicus CAMS reanalysis, monthly means. Modelled, not station readings; near coasts CAMS counts sea salt as PM2.5 and reads high.
Last reviewed 2026-05-24. Full method, licences and the list of sources we rejected are on the methodology page.