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When to go · Tumon

Tumon in January

Great month. Dry season; comfortable and busy.

Key facts

Verdict
Great
Temperature
30°C (86°F) / 24°C (75°F)
average high / low
Rain days
15
Crowds
High
Guam overall
Prices
High
Guam overall

Verdict

GreatVoykit month rating for Tumon

Dry season; comfortable and busy.

All twelve months in one grid — weather, crowds and prices, with gaps left as unknown.

Is another month better than January?

No other month rates higher than January for Tumon in this guide.

Weather in January

Long-term averages
  • TumonHighs around 30 °C (86 °F), lows around 24 °C (75 °F), rain on about 15 days
  • Guam, Guam · Tumon, Hagåtña, the south and the north plateaubest weather

    Warm all year (26–31 °C (79–88 °F)). Dry trade-wind season January–May; rainy season July–November, when most typhoons pass. Guam lies in the zone where tropical storms form, so a storm is possible in any month.

Dry season season

Calmest sea, best snorkel visibility, lowest rain.

Watch: Peak crowds and high prices in Jan–Feb.

Festivals and holidays

Dates as our data lists them. Moving holidays (lunar and Islamic calendars, Easter) shift every year: check the date for your year before you build a trip on it.

  • Peak visitor season

    Jan–Feb · Tumon strip

    Hotels full; higher prices.

  • Lunar New Year visitor peak

    Jan–Feb

    Hotels full; higher prices; crowded strip.

  • New Year

    1 Jan · Guam

    Japanese and Korean New Year trips fill Tumon hotels late Dec to early Jan.

Crowds and prices

Crowds · Guam overall
High
Prices · Guam overall
High

Guam overall: Dry and breezy; Japanese and Korean winter holidays keep Tumon busy.

High-price month: see what to book ahead.

Compare two months

Weather, crowds and prices for any two months in Tumon, side by side.

  • Verdict

    Jan: Great

    Feb: Great

  • Daytime high

    Jan: 30 °C (86 °F)

    Feb: 30 °C (86 °F)

  • Night low

    Jan: 24 °C (75 °F)

    Feb: 24 °C (75 °F)

  • Rain days

    Jan: 15

    Feb: 12 (better)

  • Crowds

    Jan: High

    Feb: High

  • Prices

    Jan: High

    Feb: High

  • Festivals listed

    Jan: 3

    Feb: 1

January: Dry season; comfortable and busy.

February: Dry; Lunar New Year crowds.

Tumon: figures are long-term averages from this guide, not a forecast.

What to pack

  • Light, breathable clothes, a sun hat and sunscreen
  • A rain jacket or umbrella and shoes that dry fast

Build the full packing list for your trip →

Across Guam in January →