December weather forecastUllapool, United Kingdom
December
Weather in December
The first month of the winter, December, is also a wintry month in Ullapool, United Kingdom, with an average temperature varying between 4.9°C (40.8°F) and 2°C (35.6°F).Temperature
The commencement of December brings an average high-temperature of an icy 4.9°C (40.8°F), marking an inconsequential divergence from November. During the nights of December, Ullapool maintains an almost steady temperature with an average low of 2°C (35.6°F).Humidity
In Ullapool, the average relative humidity in December is 86%.Rainfall
In December, in Ullapool, the rain falls for 21.8 days. Throughout December, 91mm (3.58") of precipitation is accumulated. In Ullapool, United Kingdom, during the entire year, the rain falls for 257.2 days and collects up to 876mm (34.49") of precipitation.Snowfall
January through May, October through December are months with snowfall in Ullapool. In Ullapool, during December, snow falls for 4.7 days and regularly aggregates up to 46mm (1.81") of snow. In Ullapool, during the entire year, snow falls for 24.8 days and aggregates up to 298mm (11.73") of snow.Sea temperature
In December, the average sea temperature is 9.6°C (49.3°F).Note: Entering waters of 9.6°C (49.3°F) is life-endangering. A mere moment in 13°C (55.4°F) waters feels piercing cold, and below 10°C (50°F) it can lead to immediate cold shock and cessation of breathing control, depending on body resilience.
Daylight
With an average of 6h and 36min of daylight, December has the shortest days of the year in Ullapool.On the first day of the month, sunrise is at 8:40 am and sunset at 3:39 pm. On the last day of December, sunrise is at 9:05 am and sunset at 3:42 pm GMT.
Sunshine
The month with the least sunshine is December, with an average of 2.9h of sunshine.UV index
With an average maximum UV index of 1, December is the month with the lowest UV index in Ullapool. A UV Index reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for average individuals.Note: In December, the maximum UV index of 1 transforms into these recommendations:
While most can endure approximately an hour in the sun without burning, children always require protection from sunlight. Avoiding the Sun during its peak radiation time around midday is a healthy practice. Always opt for UVA and UVB-resistant sunglasses on radiant days. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Ullapool, United Kingdom
- Average high temperature in December: 4.9°C
The warmest month (with the highest average high temperature) is July (15°C).
The month with the lowest average high temperature is January (4.3°C).
- Average low temperature in December: 2°C
The month with the highest average low temperature is July (10°C).
The coldest month (with the lowest average low temperature) is February (1.6°C).
Average pressure in December
Ullapool, United Kingdom
- Average pressure in December: 1004.8mbar
The month with the highest atmospheric pressure is May (1014.4mbar).
The month with the lowest atmospheric pressure is December (1004.8mbar).
Average wind speed in December
Ullapool, United Kingdom
- Average wind speed in December: 22.3km/h
The windiest month (with the highest average wind speed) is January (22.7km/h).
The calmest month (with the lowest average wind speed) is June (13.1km/h).
Average humidity in December
Ullapool, United Kingdom
- Average humidity in December: 86%
The months with the highest relative humidity are July, August and September (87%).
The months with the lowest relative humidity are April and May (81%).
Average rainfall in December
Ullapool, United Kingdom
- Average rainfall in December: 91mm
The wettest month (with the highest rainfall) is January (96mm).
The driest month (with the least rainfall) is April (43mm).
Average rainfall days in December
Ullapool, United Kingdom
- Average rainfall days in December: 21.8 days
The month with the highest number of rainy days is August (25.1 days).
The month with the least rainy days is February (18 days).
Average snowfall in December
Ullapool, United Kingdom
- Average snowfall in December: 46mm
The month with the highest snowfall is February (85mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Ullapool, United Kingdom
- Average snowfall days in December: 4.7 days
The month with the highest number of snowfall days is February (6.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average sea temperature in December
Ullapool, United Kingdom
- Average sea temperature in December: 9.6°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 (7.3°C).
Average daylight in December /
Average sunshine in December
Ullapool, United Kingdom
- Average daylight in December: 6h and 36min
The month with the longest days is June (Average daylight: 18h and 0min).
The month with the shortest days is December (Average daylight: 6h and 36min).
- Average sunshine in December: 2h and 54min
The month with the most sunshine is June (Average sunshine: 6h and 18min).
The month with the least sunshine is December (Average sunshine: 2h and 54min).
Average sunshine days in December
Ullapool, United Kingdom
- Average sunshine days in December: 4.6 days
The month with the most sunshine days is May (7.6 days).
The month with the least sunshine days is August (3.6 days).
Average UV index in December
Ullapool, United Kingdom
- Average UV index in December: 1
The months with the highest UV index are June and July (UV index 4).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
Ullapool, United Kingdom
- Average cloud cover in December: 67
The months with the most cloud cover are March, June and July (Cloud cover 69).
The month with the least cloud cover is April (Cloud cover 62).
Average visibility in December
Ullapool, 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).
