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 transition into December shows a subtle variation to a still wintry 1.9°C (35.4°F) from November's 1.2°C (34.2°F) in the average high-temperature. Night temperatures during December in Stromness experience a slight downturn, averaging a freezing cold -0.1°C (31.8°F).Humidity
The average relative humidity in December is 90%.Rainfall
In Stromness, in December, it is raining for 17.8 days, with typically 94mm (3.7") of accumulated precipitation. In Stromness, South Georgia and the South Sandwich Islands, during the entire year, the rain falls for 168.8 days and collects up to 1190mm (46.85") of precipitation.Snowfall
January through December are months with snowfall in Stromness. In Stromness, in December, during 16.5 snowfall days, 184mm (7.24") of snow is typically accumulated. In Stromness, South Georgia and the South Sandwich Islands, during the entire year, snow falls for 193 days and aggregates up to 3130mm (123.23") of snow.Daylight
The month with the longest days in Stromness is December, with an average of 17h and 6min of daylight.On the first day of December in Stromness, South Georgia and the South Sandwich Islands, sunrise is at 03:52 and sunset at 20:39. On the last day of the month, sunrise is at 03:57 and sunset at 21:02 -02.
Sunshine
The average sunshine in December is 5.3h.UV index
January through December, with an average maximum UV index of 1, are months with the highest UV index in Stromness, South Georgia and the South Sandwich Islands. January through December, with an average maximum UV index of 1, are months with the lowest UV index in Stromness. 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:
Babies, children, and those with sensitive skin should always avoid extended periods in the sun. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Stay sun-safe with clothing that is both closely woven and worn loosely. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.
Frequently asked questions
How cold is it in Stromness in December?
What is the average humidity in December in Stromness?
How much does it rain in Stromness in December?
How many days does it snow in December in Stromness?
When are the longest days in Stromness?
How many hours of daylight does Stromness have in December?
When is the sunrise / sunset in December in Stromness?
How many hours of sunshine does Stromness have in December?
What is the month with the highest UV index in Stromness?
When is the lowest UV index in Stromness?
What is the UV index intensity in December in Stromness?
Average temperature in December
Stromness, South Georgia and the South Sandwich Islands
- Average high temperature in December: 1.9°C
The warmest month (with the highest average high temperature) is February (3.1°C).
The month with the lowest average high temperature is August (-1.6°C).
- Average low temperature in December: -0.1°C
The month with the highest average low temperature is February (1°C).
The coldest month (with the lowest average low temperature) is August (-4.9°C).
Average pressure in December
Stromness, South Georgia and the South Sandwich Islands
- Average pressure in December: 992.9mbar
The month with the highest atmospheric pressure is September (1002.1mbar).
The month with the lowest atmospheric pressure is December (992.9mbar).
Average wind speed in December
Stromness, South Georgia and the South Sandwich Islands
- Average wind speed in December: 23.5km/h
The windiest month (with the highest average wind speed) is September (25.7km/h).
The calmest month (with the lowest average wind speed) is December (23.5km/h).
Average humidity in December
Stromness, South Georgia and the South Sandwich Islands
- Average humidity in December: 90%
The months with the highest relative humidity are January and February (91%).
The months with the lowest relative humidity are July and August (87%).
Average rainfall in December
Stromness, South Georgia and the South Sandwich Islands
- Average rainfall in December: 94mm
The wettest month (with the highest rainfall) is April (114mm).
The driest month (with the least rainfall) is October (82mm).
Average rainfall days in December
Stromness, South Georgia and the South Sandwich Islands
- Average rainfall days in December: 17.8 days
The month with the highest number of rainy days is March (20.5 days).
The month with the least rainy days is August (7.8 days).
Average snowfall in December
Stromness, South Georgia and the South Sandwich Islands
- Average snowfall in December: 184mm
The month with the highest snowfall is August (421mm).
The month with the least snowfall is March (125mm).
Average snowfall days in December
Stromness, South Georgia and the South Sandwich Islands
- Average snowfall days in December: 16.5 days
The month with the highest number of snowfall days is August (19 days).
The month with the least snowfall days is February (11.7 days).
Average daylight in December /
Average sunshine in December
Stromness, South Georgia and the South Sandwich Islands
- Average daylight in December: 17h and 1min
The month with the longest days is December (Average daylight: 17h and 6min).
The month with the shortest days is June (Average daylight: 7h and 24min).
- Average sunshine in December: 5h and 2min
The month with the most sunshine is October (Average sunshine: 5h and 48min).
The month with the least sunshine is August (Average sunshine: 3h and 0min).
Average sunshine days in December
Stromness, South Georgia and the South Sandwich Islands
- Average sunshine days in December: 2.2 days
The months with the most sunshine days are September and November (4 days).
The month with the least sunshine days is January (1.1 days).
Average UV index in December
Stromness, South Georgia and the South Sandwich Islands
- Average UV index in December: 1
The months with the highest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 1).
The months with the lowest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 1).
Average cloud cover in December
Stromness, South Georgia and the South Sandwich Islands
- Average cloud cover in December: 71
The month with the most cloud cover is January (Cloud cover 73).
The month with the least cloud cover is October (Cloud cover 66).
Average visibility in December
Stromness, South Georgia and the South Sandwich Islands
- Average visibility in December: 8km
The months with the highest visibility are January, February, March, April, May, June, October, November and December (8km).
The months with the lowest visibility are July, August and September (7km).
Stromness, South Georgia and the South Sandwich Islands
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