Australia · 1991–2020 normal

Swansea in
December.

Typical December weather in Swansea: 25.1°C by day, 18.5°C at night, 71 mm of rain over 7.3 wet days. These are measured 1991–2020 station normals, not a forecast.

Typical high25.1°C
Typical low18.5°C
Rain71 mm
Wet days7.3

Comfort score 81 this month (October leads the year at 87). Daylight is calculated as 14 h 20 from latitude -33.09°. Open-water sea temperature is 21.2°C (4 km from the place centre).

Event window

Warm sea in December

The nearest open-water NOAA OISST 1991–2020 cell averages 21.2°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 2147737
NOAA station
ASN00061366 · NORAH HEAD AWS
Station distance
22.3 km from the place centre
Coverage
Strong coverage · 26 usable years
Important limit
Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.