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Best Time to Visit Laos
Climate based on Vientiane • 2015–2024
The best overall weather in Laos is in September, with average highs around 30°C. The single best 14-day window: Sep 28 - Oct 11. The hottest month is April (34°C highs) and the coolest is January (27°C highs).
Year-at-a-glance heatmap
Each cell is colored by the typical daytime high for that day. Hover for rainfall and sunshine.
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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
Sep 28 - Oct 11
14-day window • Avg 27°C • Very Warm
Alternative 1
Nov 7 - Nov 20
14-day window • Avg 26°C • Very Warm
Alternative 2
Sep 11 - Sep 24
14-day window • Avg 27°C • Very Warm
Month-by-month breakdown
January
Warm23°Cavg
- 27°C / 18°C
- 18mm total
- 10.0h sun/day
February
Warm24°Cavg
- 29°C / 19°C
- 16mm total
- 10.4h sun/day
March
Very Warm28°Cavg
- 32°C / 23°C
- 47mm total
- 10.5h sun/day
April
Very Warm29°Cavg
- 34°C / 25°C
- 60mm total
- 10.8h sun/day
May
Very Warm29°Cavg
- 33°C / 25°C
- 204mm total
- 9.6h sun/day
June
Very Warm28°Cavg
- 31°C / 25°C
- 269mm total
- 8.5h sun/day
July
Very Warm28°Cavg
- 31°C / 25°C
- 371mm total
- 7.8h sun/day
August
Very Warm27°Cavg
- 30°C / 25°C
- 433mm total
- 7.1h sun/day
September
Very Warm27°Cavg
- 30°C / 24°C
- 348mm total
- 8.4h sun/day
October
Warm27°Cavg
- 30°C / 23°C
- 139mm total
- 9.8h sun/day
November
Warm26°Cavg
- 30°C / 21°C
- 25mm total
- 10.2h sun/day
December
Warm23°Cavg
- 27°C / 18°C
- 5mm total
- 9.8h sun/day
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