December weather forecastMandraki, Greece

December

Weather in December

December, the first month of the winter in Mandraki, is also an enjoyable month, with an average temperature fluctuating between 14.3°C (57.7°F) and 16°C (60.8°F).

Temperature

The arrival of December suggests a slight decrease in the average high-temperature, moving from 19.3°C (66.7°F) in November to a still comfortable 16°C (60.8°F). Mandraki, during the nights of December, averages a temperature close to its daytime high, at a moderate 14.3°C (57.7°F).

Humidity

The months with the lowest humidity in Mandraki are January, November and December, with an average relative humidity of 68%.

Rainfall

The month with the most rainfall in Mandraki is December, when the rain falls for 14.6 days and typically aggregates up to 106mm (4.17") of precipitation.

Sea temperature

In Mandraki, Greece, the average seawater temperature in December is 18.6°C (65.5°F).
Note: In 18.6°C (65.5°F), swimming is not an enjoyable activity for most. As the temperature decreases from 21°C (69.8°F) to 15°C (59°F), it becomes harder to control breathing.

Daylight

The month with the shortest days is December, with an average of 9h and 42min of daylight.
On the first day of December, sunrise is at 07:05 and sunset at 16:55. On the last day of the month, sunrise is at 07:23 and sunset at 17:05 EET.

Sunshine

In December, the average sunshine is 6.3h.

UV index

January, February and December, with an average maximum UV index of 4, are months with the lowest UV index in Mandraki. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for ordinary individuals.
Note: In December, an average UV index of 4 transforms into the following instructions:
Prioritize safety - Recommendations to avert sunburn are shared. Direct Sun exposure should be minimized especially during midday when radiation is most intense. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.

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

Frequently asked questions

The average high-temperature, in December, in Mandraki, is 16°C (60.8°F), while the average low-temperature is 14.3°C (57.7°F).

The months with the lowest humidity in Mandraki are January, November and December, with an average relative humidity of 68%.

In December, the average relative humidity in Mandraki, Greece, is 68%.

The month with the most rainfall is December, when the rain falls for 14.6 days and typically aggregates up to 106mm (4.17") of precipitation.

In Mandraki, in December, during 14.6 rainfall days, 106mm (4.17") of precipitation is typically accumulated.

In Mandraki, the average seawater temperature in December is 18.6°C (65.5°F). For most, swimming in 18.6°C (65.5°F) is not an enjoyable activity. Furthermore, controlling your breathing becomes progressively more difficult as the water temperature decreases from 21°C (69.8°F) to 15°C (59°F).

December has the shortest days of the year in Mandraki, Greece, with an average of 9h and 42min of daylight.

In December, the average day length is 9h and 43min.

In December, on the first day of the month, sunrise is at 07:05 and sunset at 16:55. On the last day of the month, in Mandraki, Greece, sunrise is at 07:23 and sunset at 17:05 EET.

In December, the average sunshine duration in Mandraki is 6.3h.

The months with the lowest UV index in Mandraki, Greece, are January, February and December, with an average maximum UV index of 4.

In Mandraki, Greece, the average daily maximum UV index in December is 4. A UV Index reading of 3 to 5 represents a moderate vulnerability 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

19.3°C

16°C

14.5°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

24.2km/h

29.1km/h

30.5km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

8.5

14.6

15.3

Average sea temperature

Average daylight

Average sunshine

Average sunshine days

20.5

15.2

14.3

Average UV index

Average cloud cover

Average visibility

Average temperature in December
Mandraki, Greece

Average high temperature in December: 16°C

The warmest month (with the highest average high temperature) is August (26.8°C).
The month with the lowest average high temperature is January (14.5°C).

Average low temperature in December: 14.3°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 (12.4°C).

Average pressure in December
Mandraki, Greece

Average pressure in December: 1017.5mbar

The month with the highest atmospheric pressure is December (1017.5mbar).
The month with the lowest atmospheric pressure is July (1007.6mbar).

Average wind speed in December
Mandraki, Greece

Average wind speed in December: 27.2km/h

The windiest month (with the highest average wind speed) is January (28.8km/h).
The calmest month (with the lowest average wind speed) is May (18.1km/h).

Average humidity in December
Mandraki, Greece

Average humidity in December: 68%

The month with the highest relative humidity is June (74%).
The months with the lowest relative humidity are January, November and December (68%).

Average rainfall in December
Mandraki, Greece

Average rainfall in December: 106mm

The wettest month (with the highest rainfall) is December (106mm).
The driest months (with the least rainfall) are July and August (1mm).

Average rainfall days in December
Mandraki, Greece

Average rainfall days in December: 14.6 days

The month with the highest number of rainy days is January (15.3 days).
The month with the least rainy days is August (0.4 days).

Average sea temperature in December
Mandraki, Greece

Average sea temperature in December: 18.6°C

The best month for swimming (with the highest average sea temperature) is August (25.3°C).
The coldest month (with the lowest average sea temperature) is March (16.9°C).

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

Average daylight in December: 9h and 42min

The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).

Average sunshine in December: 6h and 18min

The month with the most sunshine is June (Average sunshine: 12h and 12min).
The month with the least sunshine is January (Average sunshine: 6h and 6min).

Average sunshine days in December
Mandraki, Greece

Average sunshine days in December: 15.2 days

The month with the most sunshine days is August (29.9 days).
The month with the least sunshine days is February (13.7 days).

Average UV index in December
Mandraki, Greece

Average UV index in December: 4

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 4).

Average cloud cover in December
Mandraki, Greece

Average cloud cover in December: 31

The month with the most cloud cover is January (Cloud cover 35).
The month with the least cloud cover is July (Cloud cover 2).

Average visibility in December
Mandraki, 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).