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 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
The arrival of December coincides with an average high-temperature of a still frosty 7.9°C (46.2°F), indicating a minimal shift from November's 9.1°C (48.4°F). The nighttime temperature in Scalloway demonstrates a marginal decline, averaging at a cold 5.6°C (42.1°F) during December.Humidity
December is the least humid month, with an average relative humidity of 75%.Rainfall
December is the month with the most rainfall. Rain falls for 25.8 days and accumulates 90mm (3.54") of precipitation.Snowfall
Months with snowfall are January through May, November and December. In December, it is snowing for 1.7 days. Throughout December, 8mm (0.31") of snow is accumulated. In Scalloway, during the entire year, snow falls for 9.3 days and aggregates up to 47mm (1.85") of snow.Daylight
With an average of 6h and 0min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 8:42 am and sunset at 3:06 pm. On the last day of December, in Scalloway, United Kingdom, sunrise is at 9:08 am and sunset at 3:08 pm GMT.
Sunshine
The month with the least sunshine is December, with an average of 2.1h of sunshine.UV index
The months with the lowest UV index are January through April, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: The daily high UV index of 2 during December translates into the following recommendations:
Protection from prolonged sun exposure is necessary for babies, children, and individuals with sensitive skin. Avoiding the Sun during its peak radiation time around midday is a healthy practice. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.
Frequently asked questions
What are the temperatures in Scalloway in December?
What is the least humid month in Scalloway?
What is the average humidity in December in Scalloway?
What is the wettest month in Scalloway?
How much does it rain in Scalloway in December?
How many days does it snow in December in Scalloway?
What is the month with the shortest days in Scalloway?
What is the average length of the day in December in Scalloway?
When are sunrise and sunset in December in Scalloway?
What is the month with the least sunshine in Scalloway?
How many hours of sunshine does Scalloway have in December?
What are the months with the lowest UV index in Scalloway?
What is the UV index intensity in December in Scalloway?
Average temperature in December
Scalloway, United Kingdom
- Average high temperature in December: 7.9°C
The warmest month (with the highest average high temperature) is August (14°C).
The month with the lowest average high temperature is February (6.8°C).
- Average low temperature in December: 5.6°C
The month with the highest average low temperature is August (12.4°C).
The coldest month (with the lowest average low temperature) is February (4.9°C).
Average pressure in December
Scalloway, United Kingdom
- Average pressure in December: 1002.5mbar
The months with the highest atmospheric pressure are May and June (1014.3mbar).
The month with the lowest atmospheric pressure is December (1002.5mbar).
Average wind speed in December
Scalloway, United Kingdom
- Average wind speed in December: 37.3km/h
The windiest month (with the highest average wind speed) is January (38.7km/h).
The calmest month (with the lowest average wind speed) is July (22.5km/h).
Average humidity in December
Scalloway, United Kingdom
- Average humidity in December: 75%
The month with the highest relative humidity is July (86%).
The month with the lowest relative humidity is December (75%).
Average rainfall in December
Scalloway, United Kingdom
- Average rainfall in December: 90mm
The wettest month (with the highest rainfall) is December (90mm).
The driest month (with the least rainfall) is June (32mm).
Average rainfall days in December
Scalloway, United Kingdom
- Average rainfall days in December: 25.8 days
The month with the highest number of rainy days is December (25.8 days).
The month with the least rainy days is June (14.8 days).
Average snowfall in December
Scalloway, United Kingdom
- Average snowfall in December: 8mm
The month with the highest snowfall is February (12mm).
The months with the least snowfall are June, July, August, September and October (0mm).
Average snowfall days in December
Scalloway, United Kingdom
- Average snowfall days in December: 1.7 days
The months with the highest number of snowfall days are February and March (2.2 days).
The months with the least snowfall days are June, July, August and October (0 days).
Average daylight in December /
Average sunshine in December
Scalloway, United Kingdom
- Average daylight in December: 6h and 0min
The month with the longest days is June (Average daylight: 18h and 48min).
The month with the shortest days is December (Average daylight: 6h and 0min).
- Average sunshine in December: 2h and 1min
The month with the most sunshine is June (Average sunshine: 9h and 18min).
The month with the least sunshine is December (Average sunshine: 2h and 6min).
Average sunshine days in December
Scalloway, United Kingdom
- Average sunshine days in December: 2.1 days
The month with the most sunshine days is June (12.1 days).
The month with the least sunshine days is December (2.1 days).
Average UV index in December
Scalloway, United Kingdom
- Average UV index in December: 2
The months with the highest UV index are June and August (UV index 4).
The months with the lowest UV index are January, February, March, April, November and December (UV index 2).
Average cloud cover in December
Scalloway, United Kingdom
- Average cloud cover in December: 68
The month with the most cloud cover is January (Cloud cover 71).
The month with the least cloud cover is May (Cloud cover 56).
Average visibility in December
Scalloway, United Kingdom
- Average visibility in December: 9km
The months with the highest visibility are February, April, May, June, July, August, September and October (10km).
The months with the lowest visibility are January, March, November and December (9km).
Scalloway, United Kingdom
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