Weather in Guam in Tháng 1
Country-wide climate normals across 15 cities in Guam.
How Hot Is Guam in Tháng 1?
Guam bakes evenly in January — highs around 28°C are typical from Apra Harbor all the way to Apra Harbor, with very little regional variation. Lows sit around 26°C even overnight, and the country's small geographic footprint means there are no significant climate pockets. Expect uniform heat day and night.
Sunshine in Guam in Tháng 1
Dark, overcast days dominate Guam in January — Dededo Village sees just 1.2h of sun a day, and the pattern is similar across most regions. Cloud cover is heavy and persistent, with even the brighter regions struggling to escape the gloom for long.
Does It Rain In Guam In Tháng 1?
Guam's January is wet across most regions: 114mm in Dededo Village across 19 days, with rain falling on most days of the month. Coastal and highland regions can see significantly more, while interior regions may stay slightly drier. Sunny stretches are brief and uncommon.
Is Guam Humid In Tháng 1?
Heavy oppressive humidity covers Guam in January: 78% on average in Dededo Village, and similar saturating conditions exist nationwide. The air feels thick and heavy from sunrise to sundown, with little overnight respite. Coastal and tropical regions feel especially stifling.
Wind In Guam In Tháng 1
Breezy conditions cover Guam's January: Dededo Village sits at 28 kph on average, with the country as a whole feeling windy through the day. Afternoon winds pick up across most cities, and coastal regions often run significantly higher.
Cloud Cover In Guam In Tháng 1
Guam's January is dominated by overcast skies: Dededo Village averages 76% cloud cover, with similar grey persistence across the country. Days feel dim and soft-lit, with little break in the cloud deck.