Best time to visit Agana

Find the best time to visit Agana and plan your perfect trip in 2025/2026. Get holiday inspiration, weather guides, travel advice and find great deals.

Agana by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for Guam

VRBO: Flexible holidays with free cancellation

  • Book flexible holiday accommodation in Europe
  • Cancellation period varies by property & travel dates
  • Book villas, cottages, apartments, houses & cabins
Go to VRBO deal >>

View all VRBO offers

When is the best time to visit Agana?

The best time to visit Agana is March based on the following average weather conditions.

Maximum daytime temperature = 72 - 86°F [remove]
Daily hours of sunshine = 10 hours or more [remove]

Change the criteria to reflect your weather preferences.

Change criteria

Max Day Temperature (°F)

  • 86°F maximum daytime temperature in January in Agana86
    Jan
  • 86°F maximum daytime temperature in February in Agana86
    Feb
  • 86°F maximum daytime temperature in March in Agana86
    Mar
  • 88°F maximum daytime temperature in April in Agana88
    Apr
  • 88°F maximum daytime temperature in May in Agana88
    May
  • 88°F maximum daytime temperature in June in Agana88
    Jun
  • 88°F maximum daytime temperature in July in Agana88
    Jul
  • 88°F maximum daytime temperature in August in Agana88
    Aug
  • 88°F maximum daytime temperature in September in Agana88
    Sep
  • 88°F maximum daytime temperature in October in Agana88
    Oct
  • 88°F maximum daytime temperature in November in Agana88
    Nov
  • 86°F maximum daytime temperature in December in Agana86
    Dec

Hours of Sunshine (daily)

  • Jan
  • Feb
  • Mar
  • Apr
  • May
  • Jun
  • Jul
  • Aug
  • Sep
  • Oct
  • Nov
  • Dec

Which is the hottest month in Agana?

The hottest time of year in Agana is normally September. Expect maximum daytime temperatures to reach 88°F with very high heat and humidity.

Which month has the most rain in Agana?

In terms of rainfall, August is usually the wettest month in Agana with 14.3 inches on average. There are normally 20 days in August with some rain.

When is it sunniest in Agana?

The sunniest time of year in Agana is normally March with bright sunshine on average for 58% of daylight hours; that's 7 hours of sunshine per day.

When is the sea warmest in Agana?

The sea is usually at its warmest in Agana in August when the water temperature reaches 84°F.

Best time to visit

The weather guide for Guam, represented by Agana, (Agana) shows long term weather averages processed from data supplied by CRU (University of East Anglia) & today's weather forecast provided by meteoblue. Find out more about our data sources.

Metric (°C)  |  Imperial (°F)

Back to top

Guam travel features

Do you want to learn more about Guam? Read our latest features covering travel tips and insider destination guides on where to go and what to do in Guam.

We don't currently have any travel features on Guam. Discover more about holiday destinations around the world with this selection of general travel articles.

Back to top

Related posts

Popular travel offers

Explore holidays in the sun for less

More holidays

Airport parking

More parking

Airport lounges

More lounges

Back to Holiday Weather Top ^