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Phuket, Thailand · Equatorial tropical

Phuket in January: go or not?

Mixed period. Phuket in January: 5.9/10.

📅 Data updated: October 2026 🛰️ ERA5 · 10 years 📍 7.88°N · 98.39°E
⚡ This month's verdict
Why not
Phuket · January
5.9
24–30°
Temperature
16%
Rain
8h
Sun
🌴 Tropical☀️ High UV🌧️ Monsoon season
Photo : TRAVELINGVIBE.COM via Unsplash
The month in detail

What to expect in January

January is peak dry season in Phuket. The air is warm and humidity more bearable than in the rainy season. Rain risk remains low (16% of days), leaving good room for outdoor activities.

January is the best month of the year in Phuket. Compared to December: 10 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 →
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Plan your trip

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

🎟️ Activities & tours · Phuket

GetYourGuide selection · free cancellation

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Affiliate link · GetYourGuide
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 · 32°C
❄️Coolest monthSeptember · 29°C
🌧️Rainiest month ⓘOctober · 59%

🏝️ Tropical stay

🌞Dry season ⓘMay → Sep
🌧️Wet season ⓘDec → Mar
🌀Cyclones ⓘNone (equator)
Location

Where is Phuket ?

Global position + regional geographic context.

🌍 World
🔍 Geographic context
Thailand
Equatorial tropical climate with a 5.9 → 4.7 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 30.0°C highs, 24.0°C lows, 7.6h of sunshine and 16.0% 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 5.7/10.
What is the rainiest month in Phuket?
October is the most unfavourable month with October 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 24.0°C, while afternoon highs average 30.0°C.
Is Phuket good in winter?
In winter (December-February), Phuket scores 5.5/10 on average — Decent period conditions for cultural visits.. The best month overall remains January with a score of 5.7/10.
When should you avoid Phuket?
October is the most difficult month to visit Phuket, with October 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 29°C 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.