Weather in グアム in 1月
Country-wide climate normals across 15 cities in グアム.
How Hot Is グアム in 1月?
グアム sees consistently hot January weather — average highs of 28°C, average lows of 26°C, with minimal regional differences. Whether you're in Dededo Village or one of the coastal cities, conditions feel broadly the same: hot, generally clear, with little night-time relief.
Sunshine in グアム in 1月
Persistent cloud and grey skies define グアム's January: about 1.2h of sun a day in Dededo Village. Daylight is in short supply too, running from 6:45 am to 6:10 pm, and most regions of the country see similar overcast conditions. Bright stretches are uncommon and brief.
Does It Rain In グアム In 1月?
グアム'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 グアム Humid In 1月?
Heavy oppressive humidity covers グアム 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 グアム In 1月
グアム sees consistent breezes in January — averaging 28 kph in Dededo Village, with similar windy conditions across most regions. Coastal and exposed inland cities often see considerably more, especially in the afternoons. Wind-sensitive plans should factor this in.
Cloud Cover In グアム In 1月
Heavy overcast covers グアム in January: 76% cloud cover in Dededo Village, with similar grey conditions in most regions. Direct sun is rare, and the pattern is persistent across the country. Coastal and northern regions feel especially heavy.