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When to go · Guam

Guam in August

Mixed month. Wettest weeks and peak storm risk, yet Asian summer holidays fill hotels.

Key facts

Verdict
Mixed
Crowds
High
Guam
Prices
High
Guam

Verdict

MixedVoykit month rating for Guam

Wettest weeks and peak storm risk, yet Asian summer holidays fill hotels.

Is another month better than August?

August is rated mixed. These months rate higher:

Weather in August

  • Guam · Tumon, Hagåtña, the south and the north plateaustorm or typhoon risk

    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.

  • Tumon31 °C (88 °F) / 25 °C (77 °F), 24 rain days
  • Dededo33 °C (91 °F) / 27 °C (81 °F), 7 rain days
  • Hagåtña32 °C (90 °F) / 26 °C (79 °F), 5 rain days
  • Mangilao31 °C (88 °F) / 25 °C (77 °F), 22 rain days
  • Talofofo31 °C (88 °F) / 25 °C (77 °F), 19 rain days
  • Tamuning33 °C (91 °F) / 28 °C (82 °F), 9 rain days

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.

  • Obon and Korean summer holidays

    Mid-Aug

    Family groups fill beach hotels in typhoon season.

  • Village fiestas

    Weekends all year

    Each village honours its patron saint with Mass, procession and open-house food; visitors are often welcomed.

  • Typhoon season check

    Jul–Nov · Tumon

    Storms can close beaches, roads and flights.

Crowds and prices

Crowds · Guam
High
Prices · Guam
High

High-price month: see what to book ahead.

Compare two months

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

  • Verdict

    Aug: Mixed

    Jan: Great (better)

  • Crowds

    Aug: High

    Jan: High

  • Prices

    Aug: High

    Jan: High

  • Festivals listed

    Aug: 3

    Jan: 4

August: Wettest weeks and peak storm risk, yet Asian summer holidays fill hotels.

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

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

What to pack

  • A rain jacket or umbrella and shoes that dry fast
  • A spare day in the plan: storms can cancel flights and ferries

Build the full packing list for your trip →

Where to go in August

Better another month

  • Guam

    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.