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
Weather in December
Temperature
Fort William marks the onset of December with an average high-temperature of a still wintry 3.7°C (38.7°F), a subtle shift from November's 5.9°C (42.6°F). Fort William records a slight downturn in temperature to an average of 0.2°C (32.4°F) during December nights.Humidity
January, November and December, with an average relative humidity of 92%, are the most humid months in Fort William.Rainfall
The month with the most rainfall is December, when the rain falls for 22.1 days and typically aggregates up to 133mm (5.24") of precipitation.Snowfall
Months with snowfall are January through April, October through December. In Fort William, during December, snow falls for 4.1 days and regularly aggregates up to 57mm (2.24") of snow. Throughout the year, there are 20.4 snowfall days, and 327mm (12.87") of snow is accumulated.Sea temperature
In December, the average sea temperature is 9.6°C (49.3°F).Note: Staying in 9.6°C (49.3°F) waters for just a few moments at 13°C (55.4°F) can be harrowing, and below 10°C (50°F) poses breathing and cold shock risks, depending on individual tolerance.
Daylight
December has the shortest days of the year in Fort William, with an average of 6h and 54min of daylight.On the first day of December, sunrise is at 8:33 am and sunset at 3:46 pm. On the last day of the month, sunrise is at 8:57 am and sunset at 3:50 pm GMT.
Sunshine
In Fort William, the average sunshine in December is 2.9h.UV index
January and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: The maximum daily UV index of 1 in December converts into the following recommendations:
Infants, children, and people with sensitive skin should always have protection against lengthy periods of sun exposure. The Sun's radiation is especially intense around midday; try to stay in shade during this period. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.
Frequently asked questions
How cold is December in Fort William?
What are the most humid months in Fort William?
What is the average humidity in December in Fort William?
What is the wettest month in Fort William?
How much does it rain in Fort William in December?
How many days does it snow in December in Fort William?
What is the water temperature in December in Fort William?
What is the month with the shortest days in Fort William?
How many hours of daylight does Fort William have in December?
When are sunrise and sunset in December in Fort William?
How many hours of sunshine does Fort William have in December?
What is the month with the lowest UV index in Fort William?
What is the UV index intensity in December in Fort William?
Average temperature in December
Fort William, United Kingdom
- Average high temperature in December: 3.7°C
The warmest month (with the highest average high temperature) is July (14.8°C).
The month with the lowest average high temperature is January (2.9°C).
- Average low temperature in December: 0.2°C
The month with the highest average low temperature is July (8.5°C).
The coldest month (with the lowest average low temperature) is February (-0.4°C).
Average pressure in December
Fort William, United Kingdom
- Average pressure in December: 1006.4mbar
The month with the highest atmospheric pressure is May (1014.8mbar).
The month with the lowest atmospheric pressure is November (1005.9mbar).
Average wind speed in December
Fort William, United Kingdom
- Average wind speed in December: 14.7km/h
The windiest month (with the highest average wind speed) is January (15.7km/h).
The calmest month (with the lowest average wind speed) is June (9.6km/h).
Average humidity in December
Fort William, United Kingdom
- Average humidity in December: 92%
The months with the highest relative humidity are January, November and December (92%).
The months with the lowest relative humidity are April and May (83%).
Average rainfall in December
Fort William, United Kingdom
- Average rainfall in December: 133mm
The wettest month (with the highest rainfall) is December (133mm).
The driest month (with the least rainfall) is April (47mm).
Average rainfall days in December
Fort William, United Kingdom
- Average rainfall days in December: 22.1 days
The month with the highest number of rainy days is August (24.9 days).
The month with the least rainy days is February (17.4 days).
Average snowfall in December
Fort William, United Kingdom
- Average snowfall in December: 57mm
The month with the highest snowfall is February (99mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in December
Fort William, United Kingdom
- Average snowfall days in December: 4.1 days
The month with the highest number of snowfall days is February (5.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average sea temperature in December
Fort William, United Kingdom
- Average sea temperature in December: 9.6°C
The best month for swimming (with the highest average sea temperature) is August (13.4°C).
The coldest month (with the lowest average sea temperature) is March (7.1°C).
Average daylight in December /
Average sunshine in December
Fort William, United Kingdom
- Average daylight in December: 6h and 5min
The month with the longest days is June (Average daylight: 17h and 42min).
The month with the shortest days is December (Average daylight: 6h and 54min).
- Average sunshine in December: 2h and 5min
The month with the most sunshine is June (Average sunshine: 5h and 48min).
The months with the least sunshine are January and February (Average sunshine: 2h and 48min).
Average sunshine days in December
Fort William, United Kingdom
- Average sunshine days in December: 5.9 days
The month with the most sunshine days is April (8.5 days).
The month with the least sunshine days is August (3.5 days).
Average UV index in December
Fort William, United Kingdom
- Average UV index in December: 1
The months with the highest UV index are May, June, July, August and September (UV index 3).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in December
Fort William, United Kingdom
- Average cloud cover in December: 73
The month with the most cloud cover is August (Cloud cover 77).
The month with the least cloud cover is April (Cloud cover 64).
Average visibility in December
Fort William, United Kingdom
- Average visibility in December: 7km
The months with the highest visibility are February, March, April, May, June and October (8km).
The months with the lowest visibility are January, July, August, September, November and December (7km).
Fort William, United Kingdom
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