All countries
Best Time to Visit China — Tropical South
Climate based on Sanya • 2015–2024
The best overall weather in China — Tropical South is in September, with average highs around 30°C. The single best 14-day window: Apr 25 - May 8. The hottest month is June (31°C highs) and the coolest is January (25°C highs).
Year-at-a-glance heatmap
Each cell is colored by the typical daytime high for that day. Hover for rainfall and sunshine.
1
5
10
15
20
25
30
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
- Freezingbelow 0°C
- Very Cold0–5°C
- Cold5–12°C
- Fresh12–18°C
- Comfortable18–25°C
- Warm25–30°C
- Very Warm30–39°C
- Smoking Hot39°C+
Best 14-day travel windows
Top pick
Apr 25 - May 8
14-day window • Avg 28°C • Very Warm
Alternative 1
Sep 10 - Sep 23
14-day window • Avg 28°C • Warm
Alternative 2
Jul 16 - Jul 29
14-day window • Avg 28°C • Very Warm
Month-by-month breakdown
January
Comfortable22°Cavg
- 25°C / 19°C
- 24mm total
- 9.2h sun/day
February
Warm22°Cavg
- 25°C / 20°C
- 15mm total
- 9.8h sun/day
March
Warm25°Cavg
- 27°C / 22°C
- 18mm total
- 10.7h sun/day
April
Warm27°Cavg
- 29°C / 24°C
- 34mm total
- 11.3h sun/day
May
Very Warm29°Cavg
- 31°C / 26°C
- 106mm total
- 11.0h sun/day
June
Very Warm29°Cavg
- 31°C / 27°C
- 193mm total
- 10.8h sun/day
July
Very Warm29°Cavg
- 30°C / 27°C
- 272mm total
- 10.1h sun/day
August
Very Warm29°Cavg
- 30°C / 27°C
- 209mm total
- 10.1h sun/day
September
Very Warm28°Cavg
- 30°C / 26°C
- 211mm total
- 9.4h sun/day
October
Warm27°Cavg
- 29°C / 24°C
- 233mm total
- 8.9h sun/day
November
Warm25°Cavg
- 28°C / 23°C
- 41mm total
- 10.2h sun/day
December
Warm23°Cavg
- 25°C / 20°C
- 23mm total
- 9.2h sun/day
Plan your trip to China — Tropical South
Found your dates? Use TimeOffCalendar to line up the trip with your time off, public holidays, and your partner's schedule. Free for one person, forever.
Plan my time off