Weather in December
December in Arklow, with its sea temperatures at 11.3°C (52.3°F) and 7.7 hours of daylight, brings the year to a close with the onset of winter. It's a cold month marked by shorter days and longer nights. Despite the cold, December has its charm, with Christmas celebrations lighting up the city against the backdrop of a winter landscape. It is a time of tranquility as the year winds down before the cycle starts again with the new year.
Note: Immersing oneself in 11.3°C (52.3°F) at sub-10°C (14°F) temperatures is a recipe for harsh cold shock and quickened breathing unless adequately equipped.
On the first day of the month, sunrise is at 8:14 am and sunset at 4:12 pm. On the last day of December, sunrise is at 8:36 am and sunset at 4:18 pm GMT.
Sea temperature
In Arklow, in December, the average water temperature is 11.3°C (52.3°F).Note: Immersing oneself in 11.3°C (52.3°F) at sub-10°C (14°F) temperatures is a recipe for harsh cold shock and quickened breathing unless adequately equipped.
Daylight
With an average of 7h and 42min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 8:14 am and sunset at 4:12 pm. On the last day of December, sunrise is at 8:36 am and sunset at 4:18 pm GMT.
Updated: Jun 14, 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 December in Arklow?
In Arklow, the average seawater temperature in December is 11.3°C (52.3°F). Swimming in 11.3°C (52.3°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.
What is the month with the shortest days?
With an average of 7h and 42min of daylight, December has the shortest days of the year.
How many hours of daylight does Arklow have in December?
The average day length in December in Arklow is 7h and 43min.
What time are sunrise and sunset in December?
On the first day of December, sunrise is at 8:14 am and sunset at 4:12 pm. On the last day of the month, sunrise is at 8:36 am and sunset at 4:18 pm GMT.
Average sea temperature in December
Arklow, Ireland
- Average sea temperature in December: 11.3°C
The best month for swimming (with the highest average sea temperature) is September (15.3°C).
The coldest month (with the lowest average sea temperature) is March (8.5°C).
Average daylight in December
Arklow, Ireland
- Average daylight in December: 7h and 4min
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).
Arklow, Ireland
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