When to go · Tumon
Tumon in October
Mixed month. Typhoon season; heavy rain.
Key facts
- Verdict
- Mixed
- Temperature
- 31°C (88°F)88°F (31°C) / 25°C (77°F)77°F (25°C)
- average high / low
- Rain days
- 22
- Crowds
- Low
- Guam overall
- Prices
- Low
- Guam overall
Verdict
Typhoon season; heavy rain.
All twelve months in one grid — weather, crowds and prices, with gaps left as unknown.
Is another month better than October?
October is rated mixed. These months rate higher:
Weather in October
- TumonHighs around 31 °C (88 °F), lows around 25 °C (77 °F), rain on about 22 daysHighs around 88 °F (31 °C), lows around 77 °F (25 °C), rain on about 22 days
- Guam, 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.Warm all year (79–88 °F (26–31 °C)). 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.
Typhoon and heavy rain season
Lowest prices; quiet beaches on dry days.
Watch: Storms, swell and closures; flexible plans needed.
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.
Typhoon season check
Jul–Nov · Island-wide
Storms can close beaches, roads and flights.
Peak of the wet season
Oct–Nov
Heavy rain most days.
Chuseok (Korea)
Sep–Oct (lunar) · Guam
Short surge of Korean visitors; Tumon hotels fill.
Crowds and prices
- Crowds · Guam overall
- Low
- Prices · Guam overall
- Low
Guam overall: Still stormy; seas rough on exposed coasts. Keep a spare day.
Compare two months
Weather, crowds and prices for any two months in Tumon, side by side.
Verdict
Oct: Mixed
Jan: Great (better)
Daytime high
Oct: 31 °C (88 °F)88 °F (31 °C)
Jan: 30 °C (86 °F)86 °F (30 °C)
Night low
Oct: 25 °C (77 °F)77 °F (25 °C)
Jan: 24 °C (75 °F)75 °F (24 °C)
Rain days
Oct: 22
Jan: 15 (better)
Crowds
Oct: Low
Jan: High
Prices
Oct: Low
Jan: High
Festivals listed
Oct: 3
Jan: 3
October: Typhoon season; heavy rain.
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
- A spare day in the plan: storms can cancel flights and ferries