December weather forecastPetriti, Greece

December

Weather in December

December, the first month of the winter in Petriti, is also a moderate month, with an average temperature fluctuating between 11.2°C (52.2°F) and 14°C (57.2°F).

Temperature

December heralds a minor drop in average high-temperature, sliding from November's comfortable 17.9°C (64.2°F) to a moderate 14°C (57.2°F). Petriti encounters a negligible difference from daytime peaks throughout the December nights, with a low-temperature average of 11.2°C (52.2°F).

Humidity

In December, the average relative humidity is 67%.

Rainfall

In Petriti, in December, during 13 rainfall days, 94mm (3.7") of precipitation is typically accumulated. In Petriti, during the entire year, the rain falls for 134.3 days and collects up to 803mm (31.61") of precipitation.

Daylight

With an average of 9h and 24min of daylight, December has the shortest days of the year.
On the first day of December, sunrise is at 07:41 and sunset at 17:16. On the last day of the month, sunrise is at 08:00 and sunset at 17:26 EET.

Sunshine

In Petriti, the average sunshine in December is 6.1h.

UV index

December is the month with the lowest UV index in Petriti, with an average maximum UV index of 3. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for the average person.
Note: A maximum UV index of 3 in December translates into the following recommendations:
Be cautious. Those with fair skin can be subjected to burns in fewer than 30 minutes. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.

Frequently asked questions

An average high-temperature, in December, in Petriti, is 14°C (57.2°F) and the average low-temperature is 11.2°C (52.2°F). In August, the average heat index (a.k.a. 'real feel', 'felt air temperature'), which represents the influence of relative humidity on air temperature, is calculated to be 30°C (86°F).

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

In Petriti, in December, during 13 rainfall days, 94mm (3.7") of precipitation is typically accumulated.

The month with the shortest days is December, with an average of 9h and 24min of daylight.

In December, the average day length in Petriti, Greece, is 9h and 26min.

On the first day of December in Petriti, Greece, sunrise is at 07:41 and sunset at 17:16. On the last day of the month, sunrise is at 08:00 and sunset at 17:26 EET.

In Petriti, the average sunshine duration in December is 6.1h.

December is the month with the lowest UV index, with an average maximum UV index of 3.

The average daily maximum UV index in December is 3. A UV Index value of 3 to 5 symbolizes a moderate vulnerability 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 daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Petriti, Greece

  • Average high temperature in December: 14°C

The warmest month (with the highest average high temperature) is August (28.3°C).
The month with the lowest average high temperature is January (12.3°C).

  • Average low temperature in December: 11.2°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 (9.4°C).

Average pressure in December
Petriti, Greece

  • Average pressure in December: 1018.3mbar

The month with the highest atmospheric pressure is December (1018.3mbar).
The month with the lowest atmospheric pressure is July (1012.1mbar).

Average wind speed in December
Petriti, Greece

  • Average wind speed in December: 15.8km/h

The windiest month (with the highest average wind speed) is February (17.5km/h).
The calmest month (with the lowest average wind speed) is August (11.1km/h).

Average humidity in December
Petriti, Greece

  • Average humidity in December: 67%

The months with the highest relative humidity are March, April and May (71%).
The month with the lowest relative humidity is August (64%).

Average rainfall in December
Petriti, Greece

  • Average rainfall in December: 94mm

The wettest month (with the highest rainfall) is November (170mm).
The driest month (with the least rainfall) is August (8mm).

Average rainfall days in December
Petriti, Greece

  • Average rainfall days in December: 13 days

The month with the highest number of rainy days is January (15.6 days).
The month with the least rainy days is August (3.8 days).

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

  • Average daylight in December: 9h and 24min

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 24min).

  • Average sunshine in December: 6h and 6min

The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 5h and 54min).

Average sunshine days in December
Petriti, Greece

  • Average sunshine days in December: 16.7 days

The month with the most sunshine days is August (24 days).
The month with the least sunshine days is February (13.2 days).

Average UV index in December
Petriti, Greece

  • Average UV index in December: 3

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 3).

Average cloud cover in December
Petriti, Greece

  • Average cloud cover in December: 33

The month with the most cloud cover is January (Cloud cover 39).
The months with the least cloud cover are July and August (Cloud cover 8).

Average visibility in December
Petriti, 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).