Portugal · 1991–2020 normal
São Martinho do Porto in
December.
Typical December weather in São Martinho do Porto: 15.2°C by day, 9.6°C at night, 108 mm of rain over 9.7 wet days. These are measured 1991–2020 station normals, not a forecast.
Typical high15.2°C
Typical low9.6°C
Rain108 mm
Wet days9.7
Comfort score 45 this month (June leads the year at 91). Daylight is calculated as 9 h 23 from latitude 39.51°. Open-water sea temperature is 15.3°C (12 km from the place centre).
The evidence behind this page
One month,
from the same station.
- Place identity
- GeoNames 2263275
- NOAA station
- PO000008535 · LISBOA GEOFISICA
- Station distance
- 88.7 km from the place centre
- Coverage
- Strong coverage · 29 usable years
- Important limit
- Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.