Guam: weather & best time to visit
1 destination with long-term climate data. Best time to visit: February – March.
Weather by month
Long-term monthly averages. Best months are marked.
| Month | Score | Air | Sea |
|---|---|---|---|
| JanuaryJan | 48 | 31° | 28° |
| FebruaryFeb | 55 | 31° | 28° |
| MarchMar | 56 | 31° | 28° |
| AprilApr | 50 | 32° | 28° |
| MayMay | 40 | 32° | 29° |
| JuneJun | 35 | 32° | 29° |
| JulyJul | 33 | 32° | 30° |
| AugustAug | 32 | 31° | 30° |
| SeptemberSep | 31 | 31° | 30° |
| OctoberOct | 32 | 31° | 30° |
| NovemberNov | 36 | 32° | 29° |
| DecemberDec | 40 | 31° | 29° |
Destinations1
Guam month by month
More from Oceania
Climate averages 1996–2025 (sunshine partly WMO station normals 1991–2020), not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences