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Travel guide > Oceania >

Climate and weather of Guam



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Guam




 

Climate

 
The island of Guam has a tropical climate with a rainy season and a dry season.

Temperatures are stable throughout the year (28 to 31°). Rainfall is higher in the hills located in the southwest of the island (2 800 mm per year) than on the coasts (2 000 mm per year).

Rainy season (June to November)
Temperatures reach 31° (they lose five degrees at night) and rainfall is abundant.

Dry season (December to May)
Temperatures are constant (28 to 30°) and rainfall is high.

 When to go to Guam (pleasant climate) 
The climate of Guam is pleasant during the following months :

January
February
March
April
May
June
July
August
September
October
November
December

 

Weather

(main cities) 
Average temperatures and rainfall

Agana (Capital of Guam)

Temp
January
February
March
April
May
June
max
29°
29°
30°
31°
31°
31°
min
24°
24°
24°
25°
25°
25°
Temp
July
August
September
October
November
December
max
31°
30°
30°
30°
30°
30°
min
25°
25°
25°
25°
25°
25°

Rain
January
February
March
April
May
June
mm
130
110
70
90
110
180
Rain
July
August
September
October
November
December
mm
310
440
360
300
230
150

Dededo

Temp
January
February
March
April
May
June
max
29°
29°
30°
31°
31°
31°
min
22°
22°
23°
23°
24°
23°
Temp
July
August
September
October
November
December
max
31°
31°
31°
31°
30°
30°
min
23°
23°
23°
23°
24°
23°

Rain
January
February
March
April
May
June
mm
140
120
100
100
130
160
Rain
July
August
September
October
November
December
mm
280
390
360
330
240
160

Weather data (temperatures and precipitation) for Guam are derived from monthly averages established over the last twenty years.

Guam weather (more cities)


 Quick facts 
The island of Guam is located in the Pacific Ocean, northeast of Palau and southwest of the Northern Mariana Islands.

Capital: Agana
Area: 540 kmē <
Population: 160 000 inhabitants
Languages: English, Chamorro
Currency: US dollar

Guam










- Other countries -

 Kiribati
 Micronesia
 Nauru
   New Zealand
 Norfolk
 Palau
   Pitcairn
 Solomon
 Tonga

 

 
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