Phuket Weather in January 2026: what to expect (5.5/10)

The month in detail

What to expect in January

Even in winter, Phuket enjoys 30.0°F. A real asset for escaping the European cold. Expect rain on 35.0% of days — a light raincoat in the bag is recommended. Not the best window, but acceptable if dates are constrained. January (5.5/10) is significantly better if possible.

January is the best month of the year in Phuket. Compared to December: +2°F daytime, 19 pts fewer rainy days, +1.2h of sun per day.

This month's conditions

What it's like in January

UV index

8 · high

sunscreen and hat advised

Feels like

very humid

22°

Sea

29°C

warm, ideal

Daylight

11.6h of daylight

Air quality

good

AQI 36

Compare

Is January the right month?

January is actually the best month of the year in Phuket. Good timing.

See all 12 months →

Context

Our verdict

Phuket, Thailand's biggest island (220 sq miles), the south-west's beach capital: 400,000 inhabitants, beaches, nightlife (Patong), springboard for the Andaman Islands. From November to February (6.9/10): 75-90°F, 24-35% rain, sea at 82°F.

Read Gilles' full review →

Book

Plan your trip

Hotels at their lowest outside peak season, highest on comfortable months. Shoulder seasons offer a good price/climate compromise.

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Stay

Hotels & rentals · Phuket

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Activities

Tours, tickets, experiences

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Flights

Multi-airline comparator

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🎟️ Activities & tours · Phuket

GetYourGuide selection · free cancellation

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Practical info

What you need to know before you go

Three angles: the country (language, currency, safety, budget), the year-round climate, and the specifics of a tropical stay.

Country · Thailand

🗣️LanguageThai

💶CurrencyThai Baht (฿)

🚗DrivingLeft-hand

🛡️Safety ⓘSafe · 2/5

💰Cost of living ⓘCheap · 2/5

🌡️ Climate

🌍Climate typeEquatorial tropical

📈Climate trend ⓘStable

🔥Hottest monthFebruary · 90°F

❄️Coolest monthSeptember · 84°F

🌧️Rainiest month ⓘOctober · 91%

🏝️ Tropical stay

🌞Dry season ⓘMay → Sep

🌧️Wet season ⓘDec → Mar

🌀Cyclones ⓘNone (equator)

Explore

Other destinations in January

If January doesn't convince you for this destination, compare with others.

Similar climate

Nearby

Koh SamuiThailand258 km

Koh TaoThailand294 km

Other top picks

← December February →

🗺️ See all 754 destinations on the map

Location

Where is Phuket ?

Global position + regional geographic context.

🌍 World

🔍 Geographic context

Thailand

Equatorial tropical climate with a 5.5 → 4.4 gap between best and worst month. 10 years of ERA5 data to choose by project.

7.88°N · 98.39°E

Questions

Frequently asked questions

What is the best time to visit Phuket?

January is the best month with 86°F highs, 75°F lows, 7.6h of sunshine and 35.0% rainy days.

How many hours of sunshine does Phuket get in January?

Phuket averages 7.6 sunshine hours per day in January. It is the sunniest month with a climate score of 5.3/10.

What is the rainiest month in Phuket?

May is the most unfavourable month with May has the lowest climate score of the year and the lowest climate score of the year.

What are the temperatures at night in Phuket in January?

In January, overnight lows reach 75°F, while afternoon highs average 86°F.

Is Phuket good in winter?

In winter (December-February), Phuket scores 5.1/10 on average — Difficult period — prefer the peak season.. The best month overall remains January with a score of 5.3/10.

When should you avoid Phuket?

May is the most difficult month to visit Phuket, with May has the lowest climate score of the year. Climate conditions are at their lowest of the year during this period.

Can you swim in Phuket in January?

In January, the sea averages 84°F in Phuket: warm, ideal. Ideal conditions for swimming and snorkeling.

Do you need sun protection in Phuket in January?

The average UV index reaches 8 in January in Phuket (high), with about 11.6h of daylight. Sunscreen and hat advised.