Weather in December
Temperature
The months of January, February and December bring the lowest temperatures, averaging a high of 7°C (44.6°F).Rainfall
The month with the most rainfall is December, when 136mm (5.35") of precipitation is typically aggregated.Sea temperature
In Isle of Lewis, the average seawater temperature in December is 9.8°C (49.6°F).Note: Swimming in 9.8°C (49.6°F) can be lethal. Merely spending a few minutes in 13°C (55.4°F) waters feels harsh, and venturing below 10°C (50°F) might disrupt breathing control and bring about cold shock, contingent on individual resilience.
Daylight
With an average of 6h and 30min of daylight, December has the shortest days of the year in Isle of Lewis, United Kingdom.On the first day of the month, sunrise is at 8:48 am and sunset at 3:42 pm. On the last day of December, sunrise is at 9:13 am and sunset at 3:45 pm GMT.
Sunshine
The month with the least sunshine in Isle of Lewis is December, with an average of 0.8h of sunshine.Frequently asked questions
What are the coldest months in Isle of Lewis?
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What is the month with the shortest days in Isle of Lewis?
How many hours of daylight does Isle of Lewis have in December?
When are sunrise and sunset in December in Isle of Lewis?
What is the month with the least sunshine in Isle of Lewis?
How many hours of sunshine does Isle of Lewis have in December?
Average temperature in December
Isle of Lewis, United Kingdom
- Average high temperature in December: 7°C
The warmest months (with the highest average high temperature) are July and August (16°C).
The months with the lowest average high temperature are January, February and December (7°C).
- Average low temperature in December: 2°C
The months with the highest average low temperature are July and August (10°C).
The coldest months (with the lowest average low temperature) are January, February, March and December (2°C).
Average rainfall in December
Isle of Lewis, United Kingdom
- Average rainfall in December: 135.8mm
The wettest month (with the highest rainfall) is December (135.8mm).
The driest month (with the least rainfall) is May (61.9mm).
Average sea temperature in December
Isle of Lewis, United Kingdom
- Average sea temperature in December: 9.8°C
The best month for swimming (with the highest average sea temperature) is August (13.3°C).
The coldest month (with the lowest average sea temperature) is March (7.6°C).
Average daylight in December /
Average sunshine in December
Isle of Lewis, United Kingdom
- Average daylight in December: 6h and 3min
The month with the longest days is June (Average daylight: 18h and 6min).
The month with the shortest days is December (Average daylight: 6h and 30min).
- Average sunshine in December: 0h and 5min
The month with the most sunshine is May (Average sunshine: 6h and 12min).
The month with the least sunshine is December (Average sunshine: 0h and 48min).
Isle of Lewis, United Kingdom
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