January weather forecastRianxo, Spain
January
Weather in January
Sea temperature
In Rianxo, Spain, the average seawater temperature in January is 13.9°C (57°F).Note: It is life-risking to swim in 13.9°C (57°F). Briefly staying in 13°C (55.4°F) waters feels unsettling, and temperatures below 10°C (50°F) might result in cold shock and loss of breath control, hinging on personal endurance.
Daylight
In January, the average length of the day is 9h and 28min.On the first day of January in Rianxo, sunrise is at 09:05 and sunset at 18:11. On the last day of the month, sunrise is at 08:50 and sunset at 18:46 CET.
Updated: Jan 30, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
In Rianxo, Spain, in January, the average water temperature is 13.9°C (57°F). At temperatures below 10°C (50°F), swimming in a suitably protected swimsuit is feasible; otherwise, cold shock and loss of breathing control are imminent. Even a short swim, without thermal protection, at temperatures around 13°C (55.4°F) is not comfortable.
The average day length in January in Rianxo is 9h and 28min.
In January, on the first day of the month, sunrise is at 09:05 and sunset at 18:11. On the last day of the month, in Rianxo, sunrise is at 08:50 and sunset at 18:46 CET.
Average sea temperature in January
Rianxo, Spain
- Average sea temperature in January: 13.9°C
The best months for swimming (with the highest average sea temperature) are August and September (18.3°C).
The coldest month (with the lowest average sea temperature) is March (13.3°C).
Average daylight in January
Rianxo, Spain
- Average daylight in January: 9h and 30min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).








