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
Weather in December
Temperature
With the onset of December, Thessaloniki experiences a modest temperature adjustment, with the average high-temperature receding from a mild 15.7°C (60.3°F) in November to a cool 10.1°C (50.2°F). Thessaloniki's December nights cool down to an average low-temperature of 3.9°C (39°F).Humidity
In December, the average relative humidity is 73%.Rainfall
In December, in Thessaloniki, the rain falls for 9.5 days. Throughout December, 41mm (1.61") of precipitation is accumulated. In Thessaloniki, during the entire year, the rain falls for 133.1 days and collects up to 436mm (17.17") of precipitation.Snowfall
January through March, November and December are months with snowfall. In December, in Thessaloniki, Greece, it is snowing for 0.7 days. Throughout December, 6mm (0.24") of snow is accumulated. In Thessaloniki, during the entire year, snow falls for 4.9 days and aggregates up to 86mm (3.39") of snow.Sea temperature
In Thessaloniki, Greece, in December, the average water temperature is 14.9°C (58.8°F).Note: Entering waters of 14.9°C (58.8°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 9h and 18min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 07:33 and sunset at 17:01. On the last day of December, sunrise is at 07:51 and sunset at 17:10 EET.
Sunshine
In December, the average sunshine in Thessaloniki, Greece, is 6.2h.UV index
The months with the lowest UV index in Thessaloniki are January and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: The maximum UV index, 2 during December, leads to the following recommendations:
Children, infants, and individuals with sensitive skin should be constantly protected from extended sun exposure. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Take warning! The intensity of the Sun's UV radiation can be nearly amplified twice due to snow reflection.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in December in Thessaloniki?
What is the average humidity in December in Thessaloniki?
How many days does it rain in December in Thessaloniki?
How much does it snow in Thessaloniki in December?
What is the water temperature in December in Thessaloniki?
What is the month with the shortest days in Thessaloniki?
What is the average length of the day in December in Thessaloniki?
When are sunrise and sunset in December in Thessaloniki?
How many hours of sunshine does Thessaloniki have in December?
What is the month with the lowest UV index in Thessaloniki?
How high is the UV index in December in Thessaloniki?
Average temperature in December
Thessaloniki, Greece
- Average high temperature in December: 10.1°C
The warmest month (with the highest average high temperature) is July (31.8°C).
The month with the lowest average high temperature is January (8.4°C).
- Average low temperature in December: 3.9°C
The month with the highest average low temperature is August (20.8°C).
The coldest month (with the lowest average low temperature) is January (2.2°C).
Average pressure in December
Thessaloniki, Greece
- Average pressure in December: 1019.8mbar
The month with the highest atmospheric pressure is December (1019.8mbar).
The month with the lowest atmospheric pressure is July (1013.2mbar).
Average wind speed in December
Thessaloniki, Greece
- Average wind speed in December: 8.9km/h
The windiest month (with the highest average wind speed) is February (9.2km/h).
The calmest month (with the lowest average wind speed) is November (7.3km/h).
Average humidity in December
Thessaloniki, Greece
- Average humidity in December: 73%
The months with the highest relative humidity are January and February (75%).
The month with the lowest relative humidity is August (52%).
Average rainfall in December
Thessaloniki, Greece
- Average rainfall in December: 41mm
The wettest month (with the highest rainfall) is March (55mm).
The driest month (with the least rainfall) is August (20mm).
Average rainfall days in December
Thessaloniki, Greece
- Average rainfall days in December: 9.5 days
The month with the highest number of rainy days is March (14.3 days).
The month with the least rainy days is August (8.4 days).
Average snowfall in December
Thessaloniki, Greece
- Average snowfall in December: 6mm
The month with the highest snowfall is January (35mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in December
Thessaloniki, Greece
- Average snowfall days in December: 0.7 days
The month with the highest number of snowfall days is January (2.1 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average sea temperature in December
Thessaloniki, Greece
- Average sea temperature in December: 14.9°C
The best month for swimming (with the highest average sea temperature) is July (26.2°C).
The coldest month (with the lowest average sea temperature) is March (13.3°C).
Average daylight in December /
Average sunshine in December
Thessaloniki, Greece
- 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: 6h and 1min
The months with the most sunshine are July and August (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 5h and 48min).
Average sunshine days in December
Thessaloniki, Greece
- Average sunshine days in December: 19.1 days
The month with the most sunshine days is August (20 days).
The month with the least sunshine days is June (13.5 days).
Average UV index in December
Thessaloniki, Greece
- Average UV index in December: 2
The months with the highest UV index are July and August (UV index 7).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in December
Thessaloniki, Greece
- Average cloud cover in December: 34
The month with the most cloud cover is February (Cloud cover 44).
The month with the least cloud cover is July (Cloud cover 15).
Average visibility in December
Thessaloniki, Greece
- 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).
Thessaloniki, Greece
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