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Best Time to Visit Thailand — South

Climate based on Phuket • 2015–2024

The best overall weather in Thailand — South is in January, with average highs around 30°C. The single best 14-day window: Jun 3 - Jun 16. The hottest month is March (32°C highs) and the coolest is November (29°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
Jun 3 - Jun 16
14-day window • Avg 28°C • Warm
Alternative 1
Jan 18 - Jan 31
14-day window • Avg 27°C • Warm
Alternative 2
May 20 - Jun 2
14-day window • Avg 28°C • Very Warm

Month-by-month breakdown

January

Warm
27°Cavg
  • 30°C / 25°C
  • 75mm total
  • 10.4h sun/day

February

Very Warm
28°Cavg
  • 31°C / 25°C
  • 29mm total
  • 10.9h sun/day

March

Very Warm
29°Cavg
  • 32°C / 26°C
  • 50mm total
  • 11.0h sun/day

April

Very Warm
29°Cavg
  • 32°C / 26°C
  • 105mm total
  • 10.7h sun/day

May

Very Warm
28°Cavg
  • 30°C / 26°C
  • 210mm total
  • 9.7h sun/day

June

Warm
28°Cavg
  • 30°C / 26°C
  • 194mm total
  • 9.3h sun/day

July

Warm
28°Cavg
  • 29°C / 26°C
  • 201mm total
  • 9.1h sun/day

August

Warm
27°Cavg
  • 29°C / 25°C
  • 214mm total
  • 9.1h sun/day

September

Warm
27°Cavg
  • 29°C / 25°C
  • 255mm total
  • 8.3h sun/day

October

Warm
27°Cavg
  • 29°C / 25°C
  • 269mm total
  • 8.7h sun/day

November

Warm
27°Cavg
  • 29°C / 25°C
  • 236mm total
  • 8.5h sun/day

December

Warm
27°Cavg
  • 29°C / 25°C
  • 138mm total
  • 9.5h sun/day

Plan your trip to Thailand — 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.

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Climate data from Open-Meteo Archive API. Daily normals computed from 10 years of historical observations.
Best Time to Visit Thailand — South (2026): Month-by-Month Weather Calendar