Climate guide for Si Phan Don, Laos

Si Phan Don in January

Weather, crowds & best time to visit

How to read the score (0–10)
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January · Laos

Best time to visit Si Phan Don in January Weather, crowds & prices

Weather in Si Phan Don in January

Average temperature 25°C, 10 mm of rain, about 29 days with 6+ hours of sunshine and 62% humidity — based on the five most recent complete years of ERA5 data (2021–2025).

January score

9.6/10

Ranked #1 of 12 months

Full year for Si Phan Don
Avg temp
25°C
Rainfall
10 mm
Humidity
62%
Days with 6h+ sun
29
Crowd Density
Peak Tourist Rush
Average Expenses
$$$ · Peak Season Rates ($$$)

January in Si Phan Don scores 9.6/10 for nature and wildlife travel - the single best month of the year. Expect around 25°C, 10 mm of rain, and roughly 29 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.

January in Si Phan Don tops the year's climate scores

Trail conditions at 25°C (77°F) favour early starts and shaded routes in January; midday is for water breaks, not for exposed climbs.

At just 10 mm for the month, rain will not shape your plans; you get about 29 days with 6+ hours of sunshine and 11.4 hours of daylight.

On our climate-comfort scale this is the top-ranked month of the year for Si Phan Don at 9.6/10 — the reference point every other month on this page is measured against.

Pack light clothing, a hat and real sun protection, footwear you can get muddy.

Expect peak pricing, and this is one of the busiest months here. You are paying the year's highest rates for the year's best conditions — book early or shift a few weeks either side.

View all 12 months

Ranked by pure climate comfort

Score scale: 0.0 → 10.0Quiet / UncrowdedModerate CrowdsPeak Tourist Rush

Frequently asked

What is the weather like in Si Phan Don in January?
In January, Si Phan Don averages 25°C, 10 mm of rain, and about 29 days with 6+ hours of sunshine. Its climate-comfort score is 9.6/10.
Is January a good time to visit Si Phan Don?
January earns a 9.6/10 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 January?
Expect about 10 mm of rain in January. Average humidity is 62% and there are about 29 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.