Sunshine Map

Hagåtña weather by month & the best time to visit

🇬🇺 Guam · beach resort · tropical monsoon climate

The best time to visit Hagåtña is March — its sunniest month (Sunshine Score 88/100), with April and February close behind. Hagåtña averages about 2,847 hours of sunshine a year. Daytime highs around 27°C / 81°F and roughly 42 mm of rain in March.

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Sun hours / year
2,847
Sunniest month
March
Peak score
88/100
Rain / year
1,607 mm
Midday UV at peak
13 (extreme)
Sea at warmest
31°C / 88°F
Population
1k
Elevation
79 m

When is the best time to visit Hagåtña?

For sunshine, the best time to visit Hagåtña is March, then April and February. The dullest month is July (68/100, 197 mm of rain). The full month-by-month picture is in the table below.

How sunny is Hagåtña?

Hagåtña gets a lot of sun: around 2,847 hours a year. March (88/100) is noticeably better than July (68). It is the only destination Sunshine Map tracks in Guam. Rain has a clear season: the wettest stretch, around September, carries about 51% of the annual 1,607 mm.

Sunshine Score by month

January: 81February: 86March: 8888April: 87May: 84June: 78July: 68August: 68September: 68October: 68November: 71December: 83JFMAMJJASOND
MonthScoreDay highNight lowRainUVSea
January81 27° / 81°F27° / 81°F 82 mm929° / 84°F
February86 27° / 81°F26° / 79°F 51 mm1128° / 82°F
March88 27° / 81°F26° / 79°F 42 mm1228° / 82°F
April87 28° / 82°F27° / 81°F 47 mm1329° / 84°F
May84 28° / 82°F28° / 82°F 62 mm1229° / 84°F
June78 29° / 84°F28° / 82°F 97 mm1230° / 86°F
July68 28° / 82°F28° / 82°F 197 mm1130° / 86°F
August68 28° / 82°F28° / 82°F 315 mm1131° / 88°F
September68 28° / 82°F28° / 82°F 278 mm1130° / 86°F
October68 28° / 82°F28° / 82°F 231 mm1030° / 86°F
November71 28° / 82°F28° / 82°F 136 mm930° / 86°F
December83 28° / 82°F27° / 81°F 69 mm929° / 84°F

Sea temperature in Hagåtña by month

The sea off Hagåtña is warmest in August at around 31°C / 88°F, and coolest in February at 28°C / 82°F. The water sits at a comfortable 21°C or warmer roughly all year round. Month-by-month sea-surface temperatures are in the Sea column of the table above.

See Hagåtña on the interactive sunshine globe →

Nearby places for sunshine

Nearest destinations

Head-to-head

How Hagåtña compares month by month: Hagåtña vs Jayapura · Hagåtña vs Manokwari · Hagåtña vs Saipan · all comparisons

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