December weather forecastMandal, Norway
December
Weather in December
December, the first month of the winter in Mandal, is also a wintry month, with an average temperature varying between 4.8°C (40.6°F) and 2.4°C (36.3°F).Temperature
December's weather records an average high-temperature of a wintry 4.8°C (40.6°F), showing little deviation from November. In Mandal, December's low temperatures hover around 2.4°C (36.3°F), reflecting a minor decrease from the daytime highs.Humidity
In Mandal, the average relative humidity in December is 83%.Rainfall
December is the month with the most rainfall. Rain falls for 17.3 days and accumulates 89mm (3.5") of precipitation.Snowfall
January through April, November and December are months with snowfall in Mandal. In December, it is snowing for 3.4 days. Throughout December, 28mm (1.1") of snow is accumulated. In Mandal, during the entire year, snow falls for 19.8 days and aggregates up to 159mm (6.26") of snow.Sea temperature
In Mandal, in December, the average water temperature is 7.8°C (46°F).Note: Dipping into 7.8°C (46°F) below 10°C (50°F) is possible with the right protection; absent that, anticipate cold shock and hampered breathing. Swimming momentarily at 13°C (55.4°F) can be jarring.
Daylight
December has the shortest days of the year, with an average of 6h and 36min of daylight.On the first day of December in Mandal, sunrise is at 08:50 and sunset at 15:47. On the last day of the month, sunrise is at 09:15 and sunset at 15:51 CET.
Sunshine
December has the least sunshine of the year, with an average of 2.6h of sunshine.UV index
In December, the average daily maximum UV index is 2. A UV Index of 2, and less, symbolizes a minimal health hazard from unsafe exposure to UV radiation for average individuals.Note: The daily high UV index of 2 in December translates into this advice:
Children, babies, and those with sensitive skin should always be shielded from long periods of sun exposure. To avoid the Sun's strongest rays, limit exposure around the mid-day period. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Take warning! The intensity of the Sun's UV radiation can be nearly amplified twice due to snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Mandal, Norway
- Average high temperature in December: 4.8°C
The warmest month (with the highest average high temperature) is July (17.7°C).
The month with the lowest average high temperature is February (2.7°C).
- Average low temperature in December: 2.4°C
The month with the highest average low temperature is August (13.6°C).
The coldest month (with the lowest average low temperature) is February (0°C).
Average pressure in December
Mandal, Norway
- Average pressure in December: 1007.7mbar
The months with the highest atmospheric pressure are April and May (1014.8mbar).
The month with the lowest atmospheric pressure is December (1007.7mbar).
Average wind speed in December
Mandal, Norway
- Average wind speed in December: 25.1km/h
The windiest month (with the highest average wind speed) is January (25.4km/h).
The calmest month (with the lowest average wind speed) is July (18.3km/h).
Average humidity in December
Mandal, Norway
- Average humidity in December: 83%
The month with the highest relative humidity is February (85%).
The months with the lowest relative humidity are May and June (74%).
Average rainfall in December
Mandal, Norway
- Average rainfall in December: 89mm
The wettest month (with the highest rainfall) is December (89mm).
The driest month (with the least rainfall) is April (32mm).
Average rainfall days in December
Mandal, Norway
- Average rainfall days in December: 17.3 days
The month with the highest number of rainy days is November (18.5 days).
The month with the least rainy days is June (11.1 days).
Average snowfall in December
Mandal, Norway
- Average snowfall in December: 28mm
The month with the highest snowfall is February (58mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in December
Mandal, Norway
- Average snowfall days in December: 3.4 days
The month with the highest number of snowfall days is February (7 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average sea temperature in December
Mandal, Norway
- Average sea temperature in December: 7.8°C
The best month for swimming (with the highest average sea temperature) is August (17.6°C).
The coldest month (with the lowest average sea temperature) is March (4.3°C).
Average daylight in December /
Average sunshine in December
Mandal, Norway
- Average daylight in December: 6h and 36min
The month with the longest days is June (Average daylight: 18h and 6min).
The month with the shortest days is December (Average daylight: 6h and 36min).
- Average sunshine in December: 2h and 36min
The month with the most sunshine is June (Average sunshine: 11h and 6min).
The month with the least sunshine is December (Average sunshine: 2h and 36min).
Average sunshine days in December
Mandal, Norway
- Average sunshine days in December: 7 days
The month with the most sunshine days is June (17.6 days).
The month with the least sunshine days is December (7 days).
Average UV index in December
Mandal, Norway
- Average UV index in December: 2
The months with the highest UV index are May, June, July, August and September (UV index 4).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in December
Mandal, Norway
- Average cloud cover in December: 65
The month with the most cloud cover is November (Cloud cover 66).
The month with the least cloud cover is June (Cloud cover 38).
Average visibility in December
Mandal, Norway
- Average visibility in December: 9km
The months with the highest visibility are May, June, July, August, September and October (10km).
The months with the lowest visibility are January, February, March, April, November and December (9km).
