When to go · Tumon
Tumon in March
Great month. Dry, warming.
Key facts
- Verdict
- Great
- Temperature
- 30°C (86°F)86°F (30°C) / 24°C (75°F)75°F (24°C)
- average high / low
- Rain days
- 12
- Crowds
- Medium
- Guam overall
- Prices
- Medium
- Guam overall
Verdict
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
- TumonHighs around 30 °C (86 °F), lows around 24 °C (75 °F), rain on about 12 daysHighs around 86 °F (30 °C), lows around 75 °F (24 °C), 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.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.
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)86 °F (30 °C)
Jan: 30 °C (86 °F)86 °F (30 °C)
Night low
Mar: 24 °C (75 °F)75 °F (24 °C)
Jan: 24 °C (75 °F)75 °F (24 °C)
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