December weather forecastAstras, Greece

December

Weather in December

The first month of the winter, December, is still a mild month in Astras, Greece, with an average temperature varying between 8°C (46.4°F) and 14.1°C (57.4°F).

Temperature

December witnesses a gentle descent in average high-temperature, descending from November's enjoyable 18.7°C (65.7°F) to a still refreshing 14.1°C (57.4°F). December nights in Astras, Greece, are marked by an average temperature drop to a chilly 8°C (46.4°F).

Humidity

In Astras, the average relative humidity in December is 75%.

Rainfall

In December, the rain falls for 12.2 days. Throughout December, 45mm (1.77") of precipitation is accumulated. Throughout the year, there are 104.3 rainfall days, and 310mm (12.2") of precipitation is accumulated.

Snowfall

February through December are months without snowfall in Astras.

Daylight

December has the shortest days of the year in Astras, Greece, with an average of 9h and 36min of daylight.
On the first day of the month, sunrise is at 07:29 and sunset at 17:13. On the last day of December, sunrise is at 07:48 and sunset at 17:23 EET.

Sunshine

The average sunshine in December is 6.4h.

UV index

The months with the lowest UV index are January, February and December, with an average maximum UV index of 3. A UV Index of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for the ordinary person.
Note: A maximum daily UV index of 3 during December morphs into the following directions:
Take precautions - Protection against skin and eye damage is obliged. Around midday, solar radiation is most harmful; hence, exposure should be limited. A hat with a broad brim is indispensable, filtering out up to half of UV rays.

Frequently asked questions

During December, Astras experiences an average high-temperature of 14.1°C (57.4°F) and a low-temperature of 8°C (46.4°F). The average heat index (a.k.a. 'felt air temperature', 'feels like'), which represents the influence of relative humidity on air temperature, in September is calculated to be 29°C (84.2°F).

In Astras, Greece, the average relative humidity in December is 75%.

In Astras, during December, the rain falls for 12.2 days and regularly aggregates up to 45mm (1.77") of precipitation.

In Astras, Greece, snow does not fall in February through December.

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

The month with the shortest days is December, with an average of 9h and 36min of daylight.

The average day length in December in Astras is 9h and 35min.

On the first day of December, sunrise is at 07:29 and sunset at 17:13. On the last day of the month, sunrise is at 07:48 and sunset at 17:23 EET.

The average sunshine duration in December in Astras, Greece, is 6.4h.

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

In December, the average daily maximum UV index in Astras, Greece, is 3. A UV Index reading of 3 to 5 represents a moderate health threat from unsafe exposure to Sun's UV rays.
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
Astras, Greece

  • Average high temperature in December: 14.1°C

The warmest month (with the highest average high temperature) is August (32.3°C).
The month with the lowest average high temperature is January (12.3°C).

  • Average low temperature in December: 8°C

The month with the highest average low temperature is August (21.6°C).
The coldest month (with the lowest average low temperature) is January (6.3°C).

Average pressure in December
Astras, Greece

  • Average pressure in December: 1018.4mbar

The month with the highest atmospheric pressure is December (1018.4mbar).
The month with the lowest atmospheric pressure is July (1011.8mbar).

Average wind speed in December
Astras, Greece

  • Average wind speed in December: 9.9km/h

The windiest month (with the highest average wind speed) is February (11.4km/h).
The calmest month (with the lowest average wind speed) is August (8.5km/h).

Average humidity in December
Astras, Greece

  • Average humidity in December: 75%

The months with the highest relative humidity are January and February (76%).
The month with the lowest relative humidity is August (54%).

Average rainfall in December
Astras, Greece

  • Average rainfall in December: 45mm

The wettest month (with the highest rainfall) is January (60mm).
The driest month (with the least rainfall) is August (3mm).

Average rainfall days in December
Astras, Greece

  • Average rainfall days in December: 12.2 days

The month with the highest number of rainy days is January (13.9 days).
The month with the least rainy days is August (2.1 days).

Average snowfall in December
Astras, Greece

  • Average snowfall in December: 0mm

The month with the highest snowfall is January (5mm).
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
Astras, 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 March, April, May, June, July, August, September, October, November and December (0 days).

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

  • Average daylight in December: 9h and 36min

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

  • Average sunshine in December: 6h and 24min

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

Average sunshine days in December
Astras, Greece

  • Average sunshine days in December: 16.7 days

The month with the most sunshine days is August (26.9 days).
The month with the least sunshine days is January (14.7 days).

Average UV index in December
Astras, 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
Astras, Greece

  • Average cloud cover in December: 30

The month with the most cloud cover is January (Cloud cover 37).
The month with the least cloud cover is August (Cloud cover 7).

Average visibility in December
Astras, 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).