January
Weather in January
Sea temperature
In Passage West, Ireland, the average seawater temperature in January is 9.8°C (49.6°F).Note: Without suitable protection, venturing into 9.8°C (49.6°F) waters cooler than 10°C (50°F) can lead to pronounced cold shock and rapid breaths.
Daylight
In January, the average length of the day in Passage West is 8h and 24min.On the first day of January, sunrise is at 8:40 am and sunset at 4:32 pm. On the last day of the month, sunrise is at 8:14 am and sunset at 5:18 pm GMT.
Updated: Jan 27, 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
How cold is the water in January in Passage West?
In January, the average sea temperature is 9.8°C (49.6°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.
How many hours of daylight does Passage West have in January?
In January, the average day length in Passage West is 8h and 24min.
When are sunrise and sunset in January in Passage West?
On the first day of January, sunrise is at 8:40 am and sunset at 4:32 pm. On the last day of the month, sunrise is at 8:14 am and sunset at 5:18 pm GMT.
Average sea temperature in January
Passage West, Ireland
- Average sea temperature in January: 9.8°C
The best month for swimming (with the highest average sea temperature) is August (16.4°C).
The coldest month (with the lowest average sea temperature) is March (9.4°C).
Average daylight in January
Passage West, Ireland
- Average daylight in January: 8h and 2min
The month with the longest days is June (Average daylight: 16h and 36min).
The month with the shortest days is December (Average daylight: 7h and 54min).
