June · Laos
Best time to visit Si Phan Don in June Weather, crowds & prices
Weather in Si Phan Don in June
Average temperature 29°C, 280 mm of rain, about 12 days with 6+ hours of sunshine and 78% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
June score
4.5/10
Ranked #10 of 12 months
- Avg temp
- 29°C
- Rainfall
- 280 mm
- Humidity
- 78%
- Days with 6h+ sun
- 12
- Crowd Density
- Quiet / Uncrowded
- Average Expenses
- $ · Budget Friendly ($)
June in Si Phan Don scores 4.5/10 for nature and wildlife travel - ranked #10 of 12. Expect around 29°C, 280 mm of rain, and roughly 12 days with 6+ hours of sunshine this month.
A tranquil archipelago of river islands on the Mekong in southern Laos, perfect during the dry season.
June in Si Phan Don: expect compromises
Days in June average 29°C (83°F) and humidity near 78% — front-load outdoor plans before the heat builds and treat the middle of the day as indoor time.
Expect monsoon-level rainfall at 280 mm: only about 12 days with 6+ hours of sunshine across the month, and stretches of heavy rain are normal.
That is 4.5/10 on the same scale — 10th of 12 months, versus 9.6/10 for the best month here.
Pack the lightest breathable clothing you own, a hat, and more water than feels necessary, a proper rain shell rather than an umbrella, footwear you can get muddy.
Expect low-season pricing, and crowds are light for this destination.
If your dates are flexible, January is materially better in Si Phan Don — 5.1 points higher on the same scale.
Frequently asked
- What is the weather like in Si Phan Don in June?
- In June, Si Phan Don averages 29°C, 280 mm of rain, and about 12 days with 6+ hours of sunshine. Its climate-comfort score is 4.5/10.
- Is June a good time to visit Si Phan Don?
- June earns a 4.5/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Si Phan Don in June?
- Expect about 280 mm of rain in June. Average humidity is 78% and there are about 12 days with 6+ hours of sunshine.
Curated in Si Phan Don
Tickets & experiences
Things to do in Si Phan Don
Si Phan Don, Laos. Live activities and tours from GetYourGuide, matched to this destination.