December weather forecastDunoon, United Kingdom
December
Weather in December
December, the first month of the winter in Dunoon, is also an icy month, with an average temperature ranging between min 2.3°C (36.1°F) and max 5.5°C (41.9°F).Temperature
The advent of December denotes an average high-temperature of a wintry 5.5°C (41.9°F), subtly different from November's 7.5°C (45.5°F). Nighttime temperatures in Dunoon during December report a consistent average of 2.3°C (36.1°F).Humidity
January, August through December, with an average relative humidity of 89%, are the most humid months.Rainfall
December is the month with the most rainfall in Dunoon. Rain falls for 22.5 days and accumulates 116mm (4.57") of precipitation.Snowfall
January through April, November and December are months with snowfall in Dunoon. In Dunoon, in December, during 1.8 snowfall days, 12mm (0.47") of snow is typically accumulated. In Dunoon, during the entire year, snow falls for 10.8 days and aggregates up to 115mm (4.53") of snow.Sea temperature
In Dunoon, the average seawater temperature in December is 10°C (50°F).Note: Dipping into 10°C (50°F) below 10°C (50°F) needs protective wear, or you'd face cold shock and breathing issues swiftly. Meanwhile, a slight swim around 13°C (55.4°F) feels cold to the bone.
Daylight
With an average of 7h and 6min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 8:27 am and sunset at 3:50 pm. On the last day of December, in Dunoon, sunrise is at 8:50 am and sunset at 3:55 pm GMT.
Sunshine
In Dunoon, the average sunshine in December is 3.1h.UV index
In Dunoon, the average daily maximum UV index in December is 2. A UV Index value of 2, and less, symbolizes a minimal health hazard from unsafe exposure to UV radiation for the average person.Note: The UV index of 2 in December translates into these instructions:
Though extended exposure to the sun typically does not concern most people, it is crucial to always shield children, infants, and those with sensitive skin. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Dunoon, United Kingdom
- Average high temperature in December: 5.5°C
The warmest month (with the highest average high temperature) is July (16.3°C).
The month with the lowest average high temperature is January (5°C).
- Average low temperature in December: 2.3°C
The month with the highest average low temperature is July (9.8°C).
The coldest month (with the lowest average low temperature) is February (1.4°C).
Average pressure in December
Dunoon, United Kingdom
- Average pressure in December: 1007.7mbar
The month with the highest atmospheric pressure is May (1015.2mbar).
The month with the lowest atmospheric pressure is November (1006.6mbar).
Average wind speed in December
Dunoon, United Kingdom
- Average wind speed in December: 18.8km/h
The windiest month (with the highest average wind speed) is January (19.3km/h).
The calmest months (with the lowest average wind speed) are June and July (11.9km/h).
Average humidity in December
Dunoon, United Kingdom
- Average humidity in December: 89%
The months with the highest relative humidity are January, August, September, October, November and December (89%).
The months with the lowest relative humidity are April and May (83%).
Average rainfall in December
Dunoon, United Kingdom
- Average rainfall in December: 116mm
The wettest month (with the highest rainfall) is December (116mm).
The driest month (with the least rainfall) is April (48mm).
Average rainfall days in December
Dunoon, United Kingdom
- Average rainfall days in December: 22.5 days
The month with the highest number of rainy days is August (24 days).
The month with the least rainy days is February (17.8 days).
Average snowfall in December
Dunoon, United Kingdom
- Average snowfall in December: 12mm
The month with the highest snowfall is February (53mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in December
Dunoon, United Kingdom
- Average snowfall days in December: 1.8 days
The month with the highest number of snowfall days is February (3.6 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average sea temperature in December
Dunoon, United Kingdom
- Average sea temperature in December: 10°C
The best month for swimming (with the highest average sea temperature) is August (14.3°C).
The coldest month (with the lowest average sea temperature) is March (7.4°C).
Average daylight in December /
Average sunshine in December
Dunoon, United Kingdom
- Average daylight in December: 7h and 6min
The month with the longest days is June (Average daylight: 17h and 30min).
The month with the shortest days is December (Average daylight: 7h and 6min).
- Average sunshine in December: 3h and 6min
The month with the most sunshine is June (Average sunshine: 6h and 36min).
The month with the least sunshine is February (Average sunshine: 3h and 0min).
Average sunshine days in December
Dunoon, United Kingdom
- Average sunshine days in December: 6.9 days
The month with the most sunshine days is April (8.8 days).
The months with the least sunshine days are July and August (5.4 days).
Average UV index in December
Dunoon, United Kingdom
- Average UV index in December: 2
The months with the highest UV index are May and June (UV index 4).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in December
Dunoon, United Kingdom
- Average cloud cover in December: 69
The month with the most cloud cover is January (Cloud cover 70).
The month with the least cloud cover is April (Cloud cover 59).
Average visibility in December
Dunoon, United Kingdom
- Average visibility in December: 8km
The months with the highest visibility are January, February, March, April, May and November (9km).
The months with the lowest visibility are June, July, August, September, October and December (8km).





