When to go · Tumon
Tumon in March
Great month. Dry, warming.
Key facts
- Verdict
- Great
- Temperature
- 30°C86°F / 24°C75°F
- average high / low
- Rain days
- 12
- Crowds
- Medium
- Guam overall
- Prices
- Medium
- Guam overall
Verdict
Dry, warming.
Weather in March
- TumonHighs around 30 °C, lows around 24 °C, rain on about 12 daysHighs around 86 °F, lows around 75 °F, rain on about 12 days
- Guam, Guam · Tumon, Hagåtña, the south and the north plateaubest weather
Warm all year (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.Warm all year (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.
What to pack
- Light, breathable clothes, a sun hat and sunscreen
- A rain jacket or umbrella and shoes that dry fast