December weather forecastVassilias, Greece

December

Weather in December

The first month of the winter, December, is also a moderate month in Vassilias, Greece, with an average temperature ranging between min 11.1°C (52°F) and max 13.6°C (56.5°F).

Temperature

In Vassilias, entering December brings a subtle temperature decrement, reducing from November's comfortable 17.1°C (62.8°F) to a mild 13.6°C (56.5°F). Vassilias maintains a near steady average temperature of 11.1°C (52°F) during the nights of December, demonstrating little drop from daytime highs.

Humidity

In December, the average relative humidity is 69%.

Rainfall

In Vassilias, in December, it is raining for 12.9 days, with typically 53mm (2.09") of accumulated precipitation. Throughout the year, there are 133.4 rainfall days, and 511mm (20.12") of precipitation is accumulated.

Snowfall

February through December are months without snowfall in Vassilias.

Sea temperature

In Vassilias, the average seawater temperature in December is 15°C (59°F).
Note: Most people do not enjoy swimming in water of 15°C (59°F). Breathing control becomes harder as the temperature descends from 21°C (69.8°F) to 15°C (59°F).

Daylight

The month with the shortest days is December, with an average of 9h and 30min of daylight.
On the first day of the month, sunrise is at 07:26 and sunset at 17:03. On the last day of December, sunrise is at 07:45 and sunset at 17:13 EET.

Sunshine

In December, the average sunshine in Vassilias is 5.3h.

UV index

The months with the lowest UV index in Vassilias are January, February and December, with an average maximum UV index of 3. A UV Index reading of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for the ordinary person.
Note: The UV index of 3 during December leads to these advisories:
Take necessary precautions - Defending against sun damage is advocated. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.

Updated: Feb 14, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

The high-temperature during December is 13.6°C (56.5°F) and the low-temperature is 11.1°C (52°F). In August, the average heat index (a.k.a. 'real feel', 'feels like'), which represents the influence of relative humidity on air temperature, is evaluated at 29°C (84.2°F).

In Vassilias, Greece, the average relative humidity in December is 69%.

In December, in Vassilias, the rain falls for 12.9 days. Throughout December, 53mm (2.09") of precipitation is accumulated.

February through December are months without snowfall.

In Vassilias, Greece, in December, it doesn't snow. In January, it regularly snows.

In Vassilias, in December, the average water temperature is 15°C (59°F). For swimming, a surface water temperature of 15°C (59°F) is not enjoyable for the majority. It is not considered safe, as controlling breathing becomes progressively more difficult as water temperature decreases below 21°C (69.8°F).

With an average of 9h and 30min of daylight, December has the shortest days of the year.

In December, the average day length is 9h and 28min.

On the first day of December, sunrise is at 07:26 and sunset at 17:03. On the last day of the month, sunrise is at 07:45 and sunset at 17:13 EET.

In December, the average sunshine duration is 5.3h.

January, February and December, with an average maximum UV index of 3, are months with the lowest UV index in Vassilias.

In December, the average daily maximum UV index is 3. A UV Index reading of 3 to 5 represents a medium health risk from exposure to Sun's UV rays.

Today

Tomorrow

Long-term

Year J F M A M J J A S O N December

Nov

December

Jan

Average high temperature

17.1°C

13.6°C

11.8°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

18.3km/h

21.8km/h

22.1km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average snowfall

Average snowfall days

0.3

Average sea temperature

Average daylight

Average sunshine

Average sunshine days

15.9

14.6

Average UV index

Average cloud cover

Average visibility

Average temperature in December
Vassilias, Greece

Average high temperature in December: 13.6°C

The warmest month (with the highest average high temperature) is August (27°C).
The month with the lowest average high temperature is January (11.8°C).

Average low temperature in December: 11.1°C

The month with the highest average low temperature is August (24.8°C).
The coldest month (with the lowest average low temperature) is January (9.3°C).

Average pressure in December
Vassilias, Greece

Average pressure in December: 1018.7mbar

The month with the highest atmospheric pressure is December (1018.7mbar).
The month with the lowest atmospheric pressure is July (1011.8mbar).

Average wind speed in December
Vassilias, Greece

Average wind speed in December: 20.1km/h

The windiest month (with the highest average wind speed) is February (20.7km/h).
The calmest months (with the lowest average wind speed) are June and July (13.1km/h).

Average humidity in December
Vassilias, Greece

Average humidity in December: 69%

The months with the highest relative humidity are January, February and November (71%).
The months with the lowest relative humidity are July, August and September (66%).

Average rainfall in December
Vassilias, Greece

Average rainfall in December: 53mm

The wettest month (with the highest rainfall) is February (62mm).
The driest month (with the least rainfall) is August (17mm).

Average rainfall days in December
Vassilias, Greece

Average rainfall days in December: 12.9 days

The month with the highest number of rainy days is January (14.3 days).
The month with the least rainy days is July (6.6 days).

Average snowfall in December
Vassilias, Greece

Average snowfall in December: 0mm

The month with the highest snowfall is January (2mm).
The months with the least snowfall are February, March, April, May, June, July, August, September, October, November and December (0mm).

Average snowfall days in December
Vassilias, Greece

Average snowfall days in December: 0 days

The month with the highest number of snowfall days is January (0.3 days).
The months with the least snowfall days are February, March, April, May, June, July, August, September, October, November and December (0 days).

Average sea temperature in December
Vassilias, Greece

Average sea temperature in December: 15°C

The best months for swimming (with the highest average sea temperature) are July and August (24°C).
The coldest months (with the lowest average sea temperature) are January, February and March (14°C).

Average daylight in December /
Average sunshine in December
Vassilias, Greece

Average daylight in December: 9h and 30min

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).

Average sunshine in December: 5h and 18min

The month with the most sunshine is August (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 4h and 54min).

Average sunshine days in December
Vassilias, Greece

Average sunshine days in December: 15.9 days

The month with the most sunshine days is July (22.5 days).
The month with the least sunshine days is February (13.5 days).

Average UV index in December
Vassilias, Greece

Average UV index in December: 3

The months with the highest UV index are July and August (UV index 7).
The months with the lowest UV index are January, February and December (UV index 3).

Average cloud cover in December
Vassilias, Greece

Average cloud cover in December: 42

The month with the most cloud cover is January (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 10).

Average visibility in December
Vassilias, Greece

Average visibility in December: 10km

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).