December weather forecastPefki, Greece

December

Weather in December

The first month of the winter, December, is also an enjoyable month in Pefki, Greece, with temperature in the range of an average high of 16.5°C (61.7°F) and an average low of 14.4°C (57.9°F).

Temperature

The commencement of December includes a gentle temperature shift, with the average high-temperature dropping a bit from an agreeable 20°C (68°F) in November to a refreshing 16.5°C (61.7°F). Pefki documents an average low-temperature of 14.4°C (57.9°F) for the nights of December.

Humidity

In December, the average relative humidity in Pefki is 67%.

Rainfall

The month with the most rainfall in Pefki is December, when the rain falls for 8.9 days and typically aggregates up to 21mm (0.83") of precipitation.

Sea temperature

In Pefki, in December, the average water temperature is 18°C (64.4°F).
Note: Swimming in 18°C (64.4°F) does not offer a pleasant experience for most individuals. The act of controlling one's breathing becomes progressively difficult as the water temperature goes under 21°C (69.8°F).

Daylight

With an average of 9h and 48min of daylight, December has the shortest days of the year.
On the first day of the month, sunrise is at 07:00 and sunset at 16:53. On the last day of December, sunrise is at 07:18 and sunset at 17:03 EET.

Sunshine

In December, the average sunshine is 6.4h.

UV index

January, February and December, with an average maximum UV index of 4, are months with the lowest UV index in Pefki. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for ordinary individuals.
Note: The maximum daily UV index, 4 in December, converts into the following recommendations:
Undertake precautions - Obligation exists to protect against skin and eye damage. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. Stay sun-safe with clothing that is both closely woven and worn loosely.

Frequently asked questions

An average high-temperature, in December, in Pefki, is 16.5°C (61.7°F) and the average low-temperature is 14.4°C (57.9°F). The average heat index (a.k.a. 'real feel', 'feels like'), which combines relative humidity and air temperature, in September is calculated to be 29°C (84.2°F).

In December, the average relative humidity is 67%.

The month with the most rainfall is December, when the rain falls for 8.9 days and typically aggregates up to 21mm (0.83") of precipitation.

In Pefki, in December, it is raining for 8.9 days, with typically 21mm (0.83") of accumulated precipitation.

In Pefki, in December, the average water temperature is 18°C (64.4°F). For most, swimming in 18°C (64.4°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).

The month with the shortest days in Pefki is December, with an average of 9h and 48min of daylight.

In December, the average day length is 9h and 46min.

In December, on the first day of the month, sunrise is at 07:00 and sunset at 16:53. On the last day of the month, in Pefki, sunrise is at 07:18 and sunset at 17:03 EET.

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

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

In Pefki, Greece, the average daily maximum UV index in December is 4. A UV Index estimate of 3 to 5 represents a moderate health threat from 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 sea temperature
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Pefki, Greece

  • Average high temperature in December: 16.5°C

The warmest month (with the highest average high temperature) is August (29.4°C).
The month with the lowest average high temperature is January (14.9°C).

  • Average low temperature in December: 14.4°C

The month with the highest average low temperature is August (25.8°C).
The coldest month (with the lowest average low temperature) is January (12.6°C).

Average pressure in December
Pefki, Greece

  • Average pressure in December: 1017.3mbar

The month with the highest atmospheric pressure is December (1017.3mbar).
The month with the lowest atmospheric pressure is July (1007mbar).

Average wind speed in December
Pefki, Greece

  • Average wind speed in December: 20.3km/h

The windiest month (with the highest average wind speed) is February (22.6km/h).
The calmest month (with the lowest average wind speed) is May (15km/h).

Average humidity in December
Pefki, Greece

  • Average humidity in December: 67%

The months with the highest relative humidity are May and June (70%).
The month with the lowest relative humidity is October (65%).

Average rainfall in December
Pefki, Greece

  • Average rainfall in December: 21mm

The wettest month (with the highest rainfall) is December (21mm).
The driest month (with the least rainfall) is August (0mm).

Average rainfall days in December
Pefki, Greece

  • Average rainfall days in December: 8.9 days

The month with the highest number of rainy days is December (8.9 days).
The month with the least rainy days is August (0.3 days).

Average sea temperature in December
Pefki, Greece

  • Average sea temperature in December: 18°C

The best months for swimming (with the highest average sea temperature) are August and September (25°C).
The coldest months (with the lowest average sea temperature) are February and March (16°C).

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

  • Average daylight in December: 9h and 48min

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 48min).

  • Average sunshine in December: 6h and 24min

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 0min).

Average sunshine days in December
Pefki, Greece

  • Average sunshine days in December: 18.5 days

The month with the most sunshine days is July (30.8 days).
The month with the least sunshine days is February (17.7 days).

Average UV index in December
Pefki, Greece

  • Average UV index in December: 4

The months with the highest UV index are June, 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
Pefki, Greece

  • Average cloud cover in December: 29

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
Pefki, 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).