Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average sea temperature in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
December
Weather in December
Temperature
Inverness transitions into December recording an average high-temperature of a cold 4.6°C (40.3°F), closely aligning with the preceding month's temperature. Night temperatures during December experience a slight downturn, averaging a still wintry 1.2°C (34.2°F).Humidity
January, November and December, with an average relative humidity of 86%, are the most humid months.Rainfall
In Inverness, during December, the rain falls for 13.4 days and regularly aggregates up to 20mm (0.79") of precipitation. Throughout the year, there are 155.3 rainfall days, and 270mm (10.63") of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In December, it is snowing for 2.8 days. Throughout December, 13mm (0.51") of snow is accumulated. In Inverness, during the entire year, snow falls for 18.1 days and aggregates up to 112mm (4.41") of snow.Sea temperature
In December, the average sea temperature is 10°C (50°F).Note: Swimming at temperatures less than 10°C (50°F) in 10°C (50°F) is feasible with the right swimsuit; if not, expect cold shock and breathlessness. A quick swim at 13°C (55.4°F) without adequate warmth can be discomforting.
Daylight
With an average of 6h and 42min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 8:33 am and sunset at 3:38 pm. On the last day of the month, sunrise is at 8:58 am and sunset at 3:41 pm GMT.
Sunshine
In Inverness, the average sunshine in December is 5h.UV index
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: In December, the maximum UV index of 2 translates into these guidelines:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December?
What are the most humid months?
What is the average humidity in December?
How many days does it rain in December?
How much does it snow in December?
How cold is the water in December?
What is the month with the shortest days?
What is the average length of the day in December?
What time are sunrise and sunset in December?
How long on average sun shines in December?
When is the lowest UV index in Inverness?
What is the UV index intensity in December?
Average temperature in December
Inverness, United Kingdom
- Average high temperature in December: 4.6°C
The warmest month (with the highest average high temperature) is July (16.8°C).
The month with the lowest average high temperature is January (4.2°C).
- Average low temperature in December: 1.2°C
The month with the highest average low temperature is July (9.9°C).
The coldest month (with the lowest average low temperature) is January (0.8°C).
Average pressure in December
Inverness, United Kingdom
- Average pressure in December: 1005.6mbar
The month with the highest atmospheric pressure is May (1014.7mbar).
The month with the lowest atmospheric pressure is December (1005.6mbar).
Average wind speed in December
Inverness, United Kingdom
- Average wind speed in December: 18.3km/h
The windiest month (with the highest average wind speed) is January (19.2km/h).
The calmest month (with the lowest average wind speed) is July (11.8km/h).
Average humidity in December
Inverness, United Kingdom
- Average humidity in December: 86%
The months with the highest relative humidity are January, November and December (86%).
The months with the lowest relative humidity are April and May (78%).
Average rainfall in December
Inverness, United Kingdom
- Average rainfall in December: 20mm
The wettest month (with the highest rainfall) is August (32mm).
The driest month (with the least rainfall) is April (14mm).
Average rainfall days in December
Inverness, United Kingdom
- Average rainfall days in December: 13.4 days
The month with the highest number of rainy days is July (16 days).
The months with the least rainy days are February and November (10.5 days).
Average snowfall in December
Inverness, United Kingdom
- Average snowfall in December: 13mm
The month with the highest snowfall is February (42mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Inverness, United Kingdom
- Average snowfall days in December: 2.8 days
The month with the highest number of snowfall days is February (4.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average sea temperature in December
Inverness, United Kingdom
- Average sea temperature in December: 10°C
The best month for swimming (with the highest average sea temperature) is August (14°C).
The coldest month (with the lowest average sea temperature) is March (7°C).
Average daylight in December /
Average sunshine in December
Inverness, United Kingdom
- Average daylight in December: 6h and 4min
The month with the longest days is June (Average daylight: 17h and 54min).
The month with the shortest days is December (Average daylight: 6h and 42min).
- Average sunshine in December: 5h and 0min
The month with the most sunshine is July (Average sunshine: 7h and 54min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days in December
Inverness, United Kingdom
- Average sunshine days in December: 13.5 days
The month with the most sunshine days is January (15.2 days).
The month with the least sunshine days is July (10.4 days).
Average UV index in December
Inverness, United Kingdom
- Average UV index in December: 2
The months with the highest UV index are May, June and July (UV index 4).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in December
Inverness, United Kingdom
- Average cloud cover in December: 51
The month with the most cloud cover is June (Cloud cover 62).
The month with the least cloud cover is December (Cloud cover 51).
Average visibility in December
Inverness, United Kingdom
- Average visibility in December: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
