Jamaica · 1991–2020 normal
Port Royal in
December.
Typical December weather in Port Royal: 31.7°C by day, 23.1°C at night, 45 mm of rain over 3.9 wet days. These are measured 1991–2020 station normals, not a forecast.
Typical high31.7°C
Typical low23.1°C
Rain45 mm
Wet days3.9
Comfort score 58 this month (January leads the year at 63). Daylight is calculated as 11 h 04 from latitude 17.94°. Open-water sea temperature is 28.0°C (8 km from the place centre).
Event window
Warm sea in December
The nearest open-water NOAA OISST 1991–2020 cell averages 28.0°C in December. A sheltered bay can run warmer than that open-water cell.
The evidence behind this page
One month,
from the same station.
- Place identity
- GeoNames 3488980
- NOAA station
- JMM00078397 · NORMAN MANLEY INTL
- Station distance
- 5.6 km from the place centre
- Coverage
- Good coverage · 23 usable years
- Important limit
- Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.