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Thailand

Phuket weather in January

Is it warm? Yes. January in Phuket is hot: afternoons average 29°C and nights 25°C. Most days (80%) peak between 28°C and 31°C.

Hot · average high

29°C

25°C or more on almost every day.

  • Average low25°overnight
  • Sea29°average, 2023–2025
  • Rainy days769 mm in the month
  • SkyMostly cloudy69% cloud · 10% clear days

How warm it really gets

Every January afternoon from 2011–2025: 465 days. Most (80%) peaked between 28° and 31°.

Number of January days by daily high, 2011–2025.

January, year by year

The average January high in each year. The warmest, 2020, averaged 31°C; the coolest, 2011, 28°C.

Average January high by year: 2011: 27.6°C, 2012: 27.7°C, 2013: 28.8°C, 2014: 28.6°C, 2015: 28.6°C, 2016: 29.5°C, 2017: 28.4°C, 2018: 28.7°C, 2019: 29.9°C, 2020: 31.4°C, 2021: 29.3°C, 2022: 30.2°C, 2023: 29.5°C, 2024: 31.1°C, 2025: 31.4°C.

Compared with home

Average January highs. Expect rain on about 7 days (69 mm in a typical month).

  • Phuket29°
  • Cork9°
  • Dublin8°
  • London8°
  • Belfast7°
  • Manchester7°
  • Glasgow6°

Other months

Phuket all year · Where else is hot in January

Warmer in January, not much further

Flying times are estimates from Dublin; Phuket is about 13h.

  • Hot in Jan

    31°C average high

    avg high · 25° at night

    25°C+ on almost every day

    Mombasa

    Kenya

    Sea
    28°
    Rain
    3 days
    Sky
    Often cloudy
    From Dublin
    ≈ 9h 45m

  • Hot in Jan

    31°C average high

    avg high · 26° at night

    25°C+ on almost every day

    Zanzibar

    Tanzania

    Sea
    29°
    Rain
    6 days
    Sky
    Often cloudy
    From Dublin
    ≈ 10h

  • Hot in Jan

    31°C average high

    avg high · 20° at night

    25°C+ on almost every day

    Goa

    India

    Sea
    28°
    Rain
    1 day
    Sky
    Mostly clear
    From Dublin
    ≈ 10h 15m

Air: ERA5 reanalysis via Open-Meteo, 2011–2025. Sea: Copernicus Marine analysis via Open-Meteo, 2023–2025. Rainy day = 2 mm or more. Clear day = average cloud cover of 30% or less. These are averages of past weather, not a forecast. Methodology