Weather in 괌 in 12월
Country-wide climate normals across 15 cities in 괌.
How Hot Is 괌 in 12월?
괌 sees consistently hot December weather — average highs of 29°C, average lows of 27°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 괌 in 12월
Dark, overcast days dominate 괌 in December — Dededo Village sees just 1.0h 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 괌 In 12월?
괌's December is wet across most regions: 151mm in Dededo Village across 22 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 괌 Humid In 12월?
Heavy oppressive humidity covers 괌 in December: 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 괌 In 12월
Persistent breeze shapes 괌's December: 29 kph in Dededo Village, with consistent wind across the country. The conditions are ideal for sailing and other wind sports, but can be disruptive for fine outdoor work.
Cloud Cover In 괌 In 12월
Heavy overcast covers 괌 in December: 77% 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.