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When to go · Tumon

Tumon in March

Great month. Dry, warming.

Key facts

Verdict
Great
Temperature
30°C (86°F) / 24°C (75°F)
average high / low
Rain days
12
Crowds
Medium
Guam overall
Prices
Medium
Guam overall

Verdict

GreatVoykit month rating for Tumon

Dry, warming.

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

Is another month better than March?

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

Weather in March

Long-term averages
  • TumonHighs around 30 °C (86 °F), lows around 24 °C (75 °F), rain on about 12 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.

  • Guam Discovery Day

    First Monday of March · Island-wide

    Local holiday; some closures.

Crowds and prices

Crowds · Guam overall
Medium
Prices · Guam overall
Medium

Guam overall: Driest stretch and CHamoru Month events; a good all-round pick.

Compare two months

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

  • Verdict

    Mar: Great

    Jan: Great

  • Daytime high

    Mar: 30 °C (86 °F)

    Jan: 30 °C (86 °F)

  • Night low

    Mar: 24 °C (75 °F)

    Jan: 24 °C (75 °F)

  • Rain days

    Mar: 12 (better)

    Jan: 15

  • Crowds

    Mar: Medium

    Jan: High

  • Prices

    Mar: Medium

    Jan: High

  • Festivals listed

    Mar: 1

    Jan: 3

March: Dry, warming.

January: Dry season; comfortable and busy.

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 March →