January
Weather in January
Portrane, Ireland boasts a vast coastal beauty that is particularly pronounced in the heart of winter. Weather in January exhibits a mild maritime temperate, refusing to cave into the frigid temperatures often associated with the season. The seascape is highlighted by the relatively mild temperature of the seas, standing at 9.6°C (49.3°F), engaging the visitors in a bracing, invigorating experience. Compared to December, daylight hours increase slightly, signaling the gradual retreat of winter. The arrival of February will further lengthen the days, although the sea temperature typically drops a bit.
Note: To swim in 9.6°C (49.3°F) at less than 10°C (50°F), ensure you're well-protected. Without it, be prepared for a sudden jolt of cold and breathing issues. Remember, even 13°C (55.4°F) is not welcoming.
On the first day of the month, sunrise is at 8:40 am and sunset at 4:15 pm. On the last day of January, sunrise is at 8:11 am and sunset at 5:03 pm GMT.
Sea temperature
In January, the average sea temperature in Portrane is 9.6°C (49.3°F).Note: To swim in 9.6°C (49.3°F) at less than 10°C (50°F), ensure you're well-protected. Without it, be prepared for a sudden jolt of cold and breathing issues. Remember, even 13°C (55.4°F) is not welcoming.
Daylight
In January, the average length of the day is 8h and 9min.On the first day of the month, sunrise is at 8:40 am and sunset at 4:15 pm. On the last day of January, sunrise is at 8:11 am and sunset at 5:03 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
What is the sea water temperature in January in Portrane?
In Portrane, the average seawater temperature in January is 9.6°C (49.3°F). Swimming in 9.6°C (49.3°F) is considered dangerous. Unprotected immersion in temperatures below 10°C (50°F) causes quickly maximum intensity cold shock with hyperventilation.
How many hours of daylight does Portrane have in January?
The average day length in January is 8h and 9min.
What time are sunrise and sunset in January in Portrane?
On the first day of January in Portrane, sunrise is at 8:40 am and sunset at 4:15 pm. On the last day of the month, sunrise is at 8:11 am and sunset at 5:03 pm GMT.
Average sea temperature in January
Portrane, Ireland
- Average sea temperature in January: 9.6°C
The best month for swimming (with the highest average sea temperature) is August (14.9°C).
The coldest month (with the lowest average sea temperature) is March (8.4°C).
Average daylight in January
Portrane, Ireland
- Average daylight in January: 8h and 1min
The month with the longest days is June (Average daylight: 16h and 54min).
The month with the shortest days is December (Average daylight: 7h and 36min).
