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When to go · Mangilao

Mangilao in December

Good month. Outside the best window (Jan–May (dry season)). Across Guam: Trade winds return; Christmas and New Year prices.

Key facts

Verdict
Good
Temperature
30°C (86°F) / 24°C (75°F)
average high / low
Rain days
15
Crowds
High
Guam overall
Prices
High
Guam overall

Verdict

GoodGuam month rating

Outside the best window (Jan–May (dry season)). Across Guam: Trade winds return; Christmas and New Year prices.

Is another month better than December?

December is rated good. These months rate higher:

Weather in December

Long-term averages
  • MangilaoHighs around 30 °C (86 °F), lows around 24 °C (75 °F), rain on about 15 days

Crowds and prices

Crowds · Guam overall
High
Prices · Guam overall
High

Guam overall: Trade winds return; Christmas and New Year prices.

High-price month: see what to book ahead.

Compare two months

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

  • Verdict

    Dec: Good

    Jan: Great (better)

  • Daytime high

    Dec: 30 °C (86 °F)

    Jan: 30 °C (86 °F)

  • Night low

    Dec: 24 °C (75 °F)

    Jan: 24 °C (75 °F)

  • Rain days

    Dec: 15

    Jan: 12 (better)

  • Crowds

    Dec: High

    Jan: High

  • Prices

    Dec: High

    Jan: High

  • Festivals listed

    Dec: 0

    Jan: 1

December: Outside the best window (Jan–May (dry season)). Across Guam: Trade winds return; Christmas and New Year prices.

January: Inside Mangilao's best window: Jan–May (dry season).

Mangilao: 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 December →