United Kingdom · 1991–2020 normal
Porthmadog in
January.
Typical January weather in Porthmadog: 6.3°C by day, 0°C at night, 147 mm of rain over 18 wet days. These are measured 1991–2020 station normals, not a forecast.
Typical high6.3°C
Typical low0°C
Rain147 mm
Wet days18
Comfort score 5 this month (July leads the year at 56). Daylight is calculated as 8 h 05 from latitude 52.93°. Open-water sea temperature is 7.9°C (6 km from the place centre).
Event window
Frost-level nights in January
The measured night-time normal is 0°C, so frost is typical rather than exceptional this month.
The evidence behind this page
One month,
from the same station.
- Place identity
- GeoNames 2640045
- NOAA station
- UKE00105882 · ALWEN
- Station distance
- 41.3 km from the place centre
- Coverage
- Strong coverage · 28 usable years
- Important limit
- Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.