expatwhy.

Guilin weather by month

Guilin runs from about 9°C in February to 29°C in July, with April the wettest month at 867 mm.

warmest month

July

29°C

coolest month

February

9°C

wettest month

April

867 mm

worst air month

December

39 µg/m³

The whole year, month by month.

Monthly climate normals for Guilin
MonthAvg tempRainSunPM2.5
January11°C276 mm124 h34
February9°C259 mm73 h28
March16°C352 mm148 h28
April22°C867 mm191 h24
May23°C374 mm237 h16
June26°C679 mm183 h13
July29°C340 mm326 h16
August28°C223 mm308 h16
September27°C82 mm280 h15
October22°C85 mm277 h21
November19°C15 mm289 h18
December11°C20 mm209 h39

About 2,645 hours of sun a year. Roughly 247 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.