December
Weather in December
Temperature
Orkney starts December with an average high-temperature of a still chilly 6.8°C (44.2°F), hinting at a minimal fluctuation from November. The nights of December in Orkney, United Kingdom, cool down to an average low of 2.3°C (36.1°F), subtly lower than daytime highs.Rainfall
In December, the rain falls for 18.5 days. Throughout December, 108mm (4.25") of precipitation is accumulated. Throughout the year, there are 188.7 rainfall days, and 1039mm (40.91") of precipitation is accumulated.Sea temperature
In Orkney, in December, the average water temperature is 9.1°C (48.4°F).Note: Beware of 9.1°C (48.4°F) waters at 13°C (55.4°F), they're uninviting, and a dip below 10°C (50°F) has risks of breath loss and cold shock, contingent on health.
Daylight
The month with the shortest days in Orkney is December, with an average of 6h and 24min of daylight.On the first day of the month, sunrise is at 8:38 am and sunset at 3:21 pm. On the last day of December, sunrise is at 9:03 am and sunset at 3:24 pm GMT.
Sunshine
With an average of 0.8h of sunshine, December has the least sunshine of the year.Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold does it get in Orkney in December?
How much does it rain in Orkney in December?
What is the water temperature in December in Orkney?
What is the month with the shortest days in Orkney?
How many hours of daylight does Orkney have in December?
When are sunrise and sunset in December in Orkney?
What is the month with the least sunshine in Orkney?
How long on average sun shines in December in Orkney?
Average temperature in December
Orkney, United Kingdom
- Average high temperature in December: 6.8°C
The warmest month (with the highest average high temperature) is August (16°C).
The months with the lowest average high temperature are January and February (6.4°C).
- Average low temperature in December: 2.3°C
The month with the highest average low temperature is August (10.3°C).
The coldest month (with the lowest average low temperature) is February (1.7°C).
Average rainfall in December
Orkney, United Kingdom
- Average rainfall in December: 107.8mm
The wettest months (with the highest rainfall) are October and November (126mm).
The driest month (with the least rainfall) is May (48mm).
Average rainfall days in December
Orkney, United Kingdom
- Average rainfall days in December: 18.5 days
The month with the highest number of rainy days is November (20.8 days).
The month with the least rainy days is May (10.6 days).
Average sea temperature in December
Orkney, United Kingdom
- Average sea temperature in December: 9.1°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 (7.1°C).
Average daylight in December /
Average sunshine in December
Orkney, United Kingdom
- Average daylight in December: 6h and 2min
The month with the longest days is June (Average daylight: 18h and 18min).
The month with the shortest days is December (Average daylight: 6h and 24min).
- Average sunshine in December: 0h and 5min
The month with the most sunshine is May (Average sunshine: 6h and 6min).
The month with the least sunshine is December (Average sunshine: 0h and 48min).
