December weather forecastMega Dereio, Greece

December

Weather in December

The first month of the winter, December, is also a fresh month in Mega Dereio, Greece, with temperature in the range of an average high of 10.1°C (50.2°F) and an average low of 5.5°C (41.9°F).

Temperature

The transition into December subtly indicates a reduction in the average high-temperature, down to a cool 10.1°C (50.2°F) from November's moderate 15°C (59°F). Mega Dereio in December observes a slight diminution in temperature from daily highs, recording a low-temperature average of 5.5°C (41.9°F).

Humidity

In Mega Dereio, Greece, the average relative humidity in December is 76%.

Rainfall

In December, in Mega Dereio, Greece, the rain falls for 13.5 days. Throughout December, 61mm (2.4") of precipitation is accumulated. Throughout the year, in Mega Dereio, there are 139.1 rainfall days, and 598mm (23.54") of precipitation is accumulated.

Snowfall

January through March, November and December are months with snowfall in Mega Dereio, Greece. In Mega Dereio, in December, snow falls for 0.5 days, with typically accumulated 6mm (0.24") of snow. Throughout the year, there are 5.1 snowfall days, and 31mm (1.22") of snow is accumulated.

Daylight

The month with the shortest days is December, with an average of 9h and 18min of daylight.
On the first day of the month, sunrise is at 07:22 and sunset at 16:47. On the last day of December, in Mega Dereio, sunrise is at 07:41 and sunset at 16:56 EET.

Sunshine

In December, the average sunshine in Mega Dereio is 5.4h.

UV index

December is the month with the lowest UV index, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: A typical high UV index of 2 in December suggests the following recommendations:
While extended sun exposure does not significantly affect most people, those with sensitive skin, children, and infants should always be protected. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.

Frequently asked questions

In Mega Dereio, 10.1°C (50.2°F) is the average high-temperature and 5.5°C (41.9°F) is the average low-temperature during December. The average heat index (a.k.a. 'apparent temperature', 'real feel'), which calculates the temperature value influenced by the moisture in the air, in August is computed to be 33°C (91.4°F).

In Mega Dereio, the average relative humidity in December is 76%.

In Mega Dereio, in December, during 13.5 rainfall days, 61mm (2.4") of precipitation is typically accumulated.

In December, in Mega Dereio, Greece, it is snowing for 0.5 days. Throughout December, 6mm (0.24") of snow is accumulated.

The month with the shortest days is December, with an average of 9h and 18min of daylight.

In December, the average day length in Mega Dereio, Greece, is 9h and 16min.

On the first day of December in Mega Dereio, sunrise is at 07:22 and sunset at 16:47. On the last day of the month, sunrise is at 07:41 and sunset at 16:56 EET.

The average sunshine duration in December in Mega Dereio is 5.4h.

December is the month with the lowest UV index in Mega Dereio, with an average maximum UV index of 2.

In December, the average daily maximum UV index in Mega Dereio, Greece, is 2. A UV Index estimate of 2, and below, represents a minimal hazard to health from exposure to the Sun's UV radiation.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Mega Dereio, Greece

  • Average high temperature in December: 10.1°C

The warmest month (with the highest average high temperature) is August (30.7°C).
The month with the lowest average high temperature is January (8.1°C).

  • Average low temperature in December: 5.5°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 (3.5°C).

Average pressure in December
Mega Dereio, Greece

  • Average pressure in December: 1019.3mbar

The month with the highest atmospheric pressure is December (1019.3mbar).
The month with the lowest atmospheric pressure is July (1011.6mbar).

Average wind speed in December
Mega Dereio, Greece

  • Average wind speed in December: 17.8km/h

The windiest month (with the highest average wind speed) is February (18.4km/h).
The calmest month (with the lowest average wind speed) is June (12.3km/h).

Average humidity in December
Mega Dereio, Greece

  • Average humidity in December: 76%

The months with the highest relative humidity are January and February (79%).
The month with the lowest relative humidity is August (55%).

Average rainfall in December
Mega Dereio, Greece

  • Average rainfall in December: 61mm

The wettest month (with the highest rainfall) is January (89mm).
The driest month (with the least rainfall) is August (9mm).

Average rainfall days in December
Mega Dereio, Greece

  • Average rainfall days in December: 13.5 days

The month with the highest number of rainy days is March (15.7 days).
The month with the least rainy days is August (3.9 days).

Average snowfall in December
Mega Dereio, Greece

  • Average snowfall in December: 6mm

The month with the highest snowfall is January (14mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).

Average snowfall days in December
Mega Dereio, Greece

  • Average snowfall days in December: 0.5 days

The month with the highest number of snowfall days is January (2.3 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

Average daylight in December /
Average sunshine in December
Mega Dereio, Greece

  • Average daylight in December: 9h and 18min

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in December: 5h and 24min

The months with the most sunshine are July and August (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 5h and 6min).

Average sunshine days in December
Mega Dereio, Greece

  • Average sunshine days in December: 15.7 days

The month with the most sunshine days is August (25.3 days).
The month with the least sunshine days is February (12.8 days).

Average UV index in December
Mega Dereio, Greece

  • Average UV index in December: 2

The months with the highest UV index are July and August (UV index 7).
The month with the lowest UV index is December (UV index 2).

Average cloud cover in December
Mega Dereio, Greece

  • Average cloud cover in December: 43

The months with the most cloud cover are January and February (Cloud cover 46).
The month with the least cloud cover is August (Cloud cover 10).

Average visibility in December
Mega Dereio, Greece

  • Average visibility in December: 10km

The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (10km).
The month with the lowest visibility is January (9km).