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 sea temperature 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
December
Weather in December
Temperature
Welcoming December, Marmara observes a shift in the average high-temperature, falling from November's moderate 15.3°C (59.5°F) to a frosty 9.9°C (49.8°F). In Marmara, December nights experience a modest descent in temperature from daily peaks, cooling down to an average of 5.8°C (42.4°F).Humidity
In December, the average relative humidity is 78%.Rainfall
The month with the most rainfall is December, when the rain falls for 14.1 days and typically aggregates up to 64mm (2.52") of precipitation.Snowfall
January through March, November and December are months with snowfall. In December, it is snowing for 1.5 days. Throughout December, 34mm (1.34") of snow is accumulated. In Marmara, Turkey, during the entire year, snow falls for 9.3 days and aggregates up to 107mm (4.21") of snow.Sea temperature
In December, the average sea temperature is 11.4°C (52.5°F).Note: Unprotected swimming in 11.4°C (52.5°F) is dangerous due to potential cold shock. Especially when temperatures go below 10°C (50°F), leading to hyperventilation.
Daylight
With an average of 9h and 18min of daylight, December has the shortest days of the year.On the first day of December in Marmara, sunrise is at 08:14 and sunset at 17:43. On the last day of the month, sunrise is at 08:33 and sunset at 17:52 +03.
Sunshine
December has the least sunshine of the year, with an average of 4.8h of sunshine.UV index
January, February and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for average individuals.Note: The maximum UV index of 2 during December leads to these instructions:
Infants, children, and people with sensitive skin should always have protection against lengthy periods of sun exposure. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average December temperature?
What is the average humidity in December?
What is the wettest month?
How much does it rain in December?
How many days does it snow in December?
What is the sea water temperature in December?
What is the month with the shortest days?
What is the average length of the day in December?
What time are sunrise and sunset in December in Marmara?
What is the month with the least sunshine?
How long on average sun shines in December?
What are the months with the lowest UV index?
What is the UV index intensity in December?
Average temperature in December
Marmara, Turkey
- Average high temperature in December: 9.9°C
The warmest month (with the highest average high temperature) is August (29.4°C).
The month with the lowest average high temperature is January (7.7°C).
- Average low temperature in December: 5.8°C
The month with the highest average low temperature is August (21.8°C).
The coldest month (with the lowest average low temperature) is January (3.3°C).
Average pressure in December
Marmara, Turkey
- Average pressure in December: 1019.5mbar
The month with the highest atmospheric pressure is December (1019.5mbar).
The month with the lowest atmospheric pressure is July (1011.6mbar).
Average wind speed in December
Marmara, Turkey
- Average wind speed in December: 16.7km/h
The windiest month (with the highest average wind speed) is August (18.7km/h).
The calmest month (with the lowest average wind speed) is May (13.1km/h).
Average humidity in December
Marmara, Turkey
- Average humidity in December: 78%
The month with the highest relative humidity is January (81%).
The months with the lowest relative humidity are July and August (62%).
Average rainfall in December
Marmara, Turkey
- Average rainfall in December: 64mm
The wettest month (with the highest rainfall) is December (64mm).
The driest month (with the least rainfall) is August (11mm).
Average rainfall days in December
Marmara, Turkey
- Average rainfall days in December: 14.1 days
The month with the highest number of rainy days is December (14.1 days).
The month with the least rainy days is August (2.8 days).
Average snowfall in December
Marmara, Turkey
- Average snowfall in December: 34mm
The month with the highest snowfall is January (44mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in December
Marmara, Turkey
- Average snowfall days in December: 1.5 days
The month with the highest number of snowfall days is January (3.9 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average sea temperature in December
Marmara, Turkey
- Average sea temperature in December: 11.4°C
The best month for swimming (with the highest average sea temperature) is August (25.1°C).
The coldest month (with the lowest average sea temperature) is February (8.8°C).
Average daylight in December /
Average sunshine in December
Marmara, Turkey
- Average daylight in December: 9h and 2min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in December: 4h and 5min
The month with the most sunshine is July (Average sunshine: 11h and 24min).
The month with the least sunshine is December (Average sunshine: 4h and 48min).
Average sunshine days in December
Marmara, Turkey
- Average sunshine days in December: 14.5 days
The month with the most sunshine days is August (27.4 days).
The month with the least sunshine days is February (11.3 days).
Average UV index in December
Marmara, Turkey
- Average UV index in December: 2
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover in December
Marmara, Turkey
- Average cloud cover in December: 50
The month with the most cloud cover is January (Cloud cover 55).
The month with the least cloud cover is August (Cloud cover 11).
Average visibility in December
Marmara, Turkey
- Average visibility in December: 9km
The months with the highest visibility are March, April, May, June, July, August, September, October and November (10km).
The months with the lowest visibility are January, February and December (9km).
