January · Thailand
Best time to visit Phuket in January Weather, crowds & prices
Weather in Phuket in January
Average temperature 27°C, 78 mm of rain, about 24 days with 6+ hours of sunshine and 82% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
January score
8.4/10
Ranked #1 of 12 months
- Avg temp
- 27°C
- Rainfall
- 78 mm
- Humidity
- 82%
- Days with 6h+ sun
- 24
- Crowd Density
- Peak Tourist Rush
- Average Expenses
- $$$ · Peak Season Rates ($$$)
January in Phuket scores 8.4/10 for beach and coastal travel - the single best month of the year. Expect around 27°C, 78 mm of rain, and roughly 24 days with 6+ hours of sunshine this month.
Phuket’s Andaman beaches and island-hopping shine brightest in the dry, calm window from January through March.
January in Phuket — the year's strongest window
January averages 27°C (81°F) and humidity near 82%, so the practical pattern is early mornings, a long midday break, and evenings back outside.
Rainfall runs 78 mm, so plan one flexible day in three; you still get about 24 days with 6+ hours of sunshine and 11.6 hours of daylight.
On our climate-comfort scale this is the top-ranked month of the year for Phuket at 8.4/10 — the reference point every other month on this page is measured against.
Pack the lightest breathable clothing you own, a hat, and more water than feels necessary, a packable rain layer.
Plan for peak pricing, with 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.
Frequently asked
- What is the weather like in Phuket in January?
- In January, Phuket averages 27°C, 78 mm of rain, and about 24 days with 6+ hours of sunshine. Its climate-comfort score is 8.4/10.
- Is January a good time to visit Phuket?
- January earns a 8.4/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Phuket in January?
- Expect about 78 mm of rain in January. Average humidity is 82% and there are about 24 days with 6+ hours of sunshine.
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