Climate guide for Phong Nha, Vietnam

Phong Nha in January

Weather, crowds & best time to visit

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

Best time to visit Phong Nha in January Weather, crowds & prices

Weather in Phong Nha in January

Average temperature 19°C, 59 mm of rain, about 4 days with 6+ hours of sunshine and 90% humidity — based on the five most recent complete years of ERA5 data (2021–2025).

January score

6.5/10

Ranked #3 of 12 months

Full year for Phong Nha
Avg temp
19°C
Rainfall
59 mm
Humidity
90%
Days with 6h+ sun
4
Crowd Density
Moderate Crowds
Average Expenses
$$$ · Peak Season Rates ($$$)

January in Phong Nha scores 6.5/10 for nature and wildlife travel - one of the top 12-month picks (#3). Expect around 19°C, 59 mm of rain, and roughly 4 days with 6+ hours of sunshine this month.

Phong Nha anchors the world's largest cave country with Son Doong expeditions and river cave boats. Best window: the drier months outside peak monsoon.

January in Phong Nha — workable with trade-offs

Temperatures hover around 19°C (65°F) — the kind of month where neither heat nor cold forces the schedule.

Budget for roughly 59 mm of rain this month — a flexible day or two helps — with about 4 days with 6+ hours of sunshine and 11.1 hours of daylight to work around it.

That is 6.5/10 on the same scale — 3rd of 12 months, versus 7.3/10 for the best month here.

Pack layers you can shed by midday plus one warm layer for the evening, a packable rain layer, footwear you can get muddy.

Budget for peak pricing, and crowds are moderate. 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 Phong Nha in January?
In January, Phong Nha averages 19°C, 59 mm of rain, and about 4 days with 6+ hours of sunshine. Its climate-comfort score is 6.5/10.
Is January a good time to visit Phong Nha?
January earns a 6.5/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
How much does it rain in Phong Nha in January?
Expect about 59 mm of rain in January. Average humidity is 90% and there are about 4 days with 6+ hours of sunshine.

Curated in Phong Nha

Tickets & experiences

Things to do in Phong Nha

Phong Nha, Vietnam. Live activities and tours from GetYourGuide, matched to this destination.