The highest-scoring months in Guiyang are Jul, Aug and Sep.
Best months
Jul, Aug and Sep
Peak season
Jul, Aug and Sep
Off season
Jan, Feb and Dec
Temperature, rainfall and sunshine are measured. The visit score below is derived from those three (design spec §5.3)estimate.
Temp: 3.1°C – 10.8°C
Rain: 54mm
Sunshine: 3.8h/day
Visit score: 3/10
Temp: 3.4°C – 11.5°C
Rain: 54mm
Sunshine: 3.3h/day
Visit score: 2.9/10
Temp: 7.9°C – 17°C
Rain: 100mm
Sunshine: 5.5h/day
Visit score: 4/10
Temp: 13.2°C – 22.3°C
Rain: 173mm
Sunshine: 6.9h/day
Visit score: 5.5/10
Temp: 15.4°C – 23.8°C
Rain: 204mm
Sunshine: 6.8h/day
Visit score: 6.9/10
Temp: 18.3°C – 25.6°C
Rain: 331mm
Sunshine: 6.2h/day
Visit score: 6.8/10
Temp: 20.3°C – 28.1°C
Rain: 155mm
Sunshine: 9.6h/day
Visit score: 7.3/10
Temp: 19.7°C – 28.2°C
Rain: 140mm
Sunshine: 9.8h/day
Visit score: 8.2/10
Temp: 18.5°C – 27.4°C
Rain: 105mm
Sunshine: 9.2h/day
Visit score: 8.2/10
Temp: 13.4°C – 21.3°C
Rain: 86mm
Sunshine: 6.2h/day
Visit score: 6.2/10
Temp: 8.8°C – 17°C
Rain: 92mm
Sunshine: 5.2h/day
Visit score: 3.9/10
Temp: 4.2°C – 11.3°C
Rain: 49mm
Sunshine: 3.5h/day
Visit score: 2.9/10
The strongest months to visit Guiyang are July, August, and September, which carry the highest visit scores of the year. July brings highs around 28.1C with about 9.6 hours of sunshine a day, August is similar with highs of 28.2C and 9.8 hours of sunshine, and September cools slightly to highs of 27.4C with 9.2 hours of sunshine, making this stretch the sunniest and warmest period overall.
These same months form the peak season, so travelers should expect more visitors during this window. June, just before this peak, is the wettest month with 331mm of rain, and August is technically the hottest month by daytime high, so those weighing sunshine against rainfall and heat may want to factor in these trade-offs when picking exact travel dates.
March – May
Mild temperatures and blooming gardens. A great time for sightseeing with fewer crowds than summer.
Packing tips
June – August
Warmest months with the longest days. Peak tourist season in most destinations.
Packing tips
September – November
Cooling temperatures and autumn foliage. Shoulder season with good deals on accommodations.
Packing tips
December – February
Coldest months with shorter days. Holiday markets and winter activities in many cities.
Packing tips
AI-written interpretation reviewed against the data above — claude-sonnet-5, generated September 21, 2026. Every number on this page comes from a dataset named here; the formulas are public.