Weather in January
Sea temperature
In January, the average sea temperature in Pwllheli, United Kingdom, is 8.8°C (47.8°F).Note: In 8.8°C (47.8°F), even brief exposure to 13°C (55.4°F) feels biting, and anything less than 10°C (50°F) risks cold shock and impaired breathing, considering one's health.
Daylight
In Pwllheli, United Kingdom, the average length of the day in January is 8h and 15min.On the first day of the month, sunrise is at 8:30 am and sunset at 4:11 pm. On the last day of January, in Pwllheli, sunrise is at 8:02 am and sunset at 4:59 pm GMT.
Frequently asked questions
What is the sea water temperature in January in Pwllheli?
In January, the average sea temperature in Pwllheli, United Kingdom, is 8.8°C (47.8°F). Swimming in 8.8°C (47.8°F) is considered life-threatening. Even a few minutes in 13°C (55.4°F) water is uncomfortable, and swimming below 10°C (50°F) may cause total loss of breathing control and cold shock, depending on a person's physique.
How many hours of daylight does Pwllheli have in January?
In January, the average day length is 8h and 15min.
When are sunrise and sunset in January in Pwllheli?
On the first day of January in Pwllheli, sunrise is at 8:30 am and sunset at 4:11 pm. On the last day of the month, sunrise is at 8:02 am and sunset at 4:59 pm GMT.
Average sea temperature in January
Pwllheli, United Kingdom
- Average sea temperature in January: 8.8°C
The best month for swimming (with the highest average sea temperature) is September (15.7°C).
The coldest months (with the lowest average sea temperature) are February and March (8.3°C).
Average daylight in January
Pwllheli, United Kingdom
- Average daylight in January: 8h and 1min
The month with the longest days is June (Average daylight: 16h and 48min).
The month with the shortest days is December (Average daylight: 7h and 42min).
Pwllheli, United Kingdom
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