December weather forecastRafina, Greece

December

Weather in December

December, the first month of the winter in Rafina, is also a moderate month, with temperature in the range of an average low of 9.2°C (48.6°F) and an average high of 13.7°C (56.7°F).

Temperature

The advent of December brings a subtle shift in temperature, with the average high moving from a comfortable 17.7°C (63.9°F) in November to a moderate 13.7°C (56.7°F). Rafina, in December, registers a nighttime average temperature of 9.2°C (48.6°F).

Humidity

In Rafina, the average relative humidity in December is 73%.

Rainfall

The months with the most rainfall are January and December, with an average 49mm (1.93") of precipitation.

Snowfall

In Rafina, snow does not fall in March through December.

Sea temperature

In Rafina, in December, the average water temperature is 16.3°C (61.3°F).
Note: The majority of individuals find it unpleasurable to swim in 16.3°C (61.3°F). It becomes progressively harder to manage one's breathing as the water temperature falls below 21°C (69.8°F).

Daylight

With an average of 9h and 36min of daylight, December has the shortest days of the year.
On the first day of December, sunrise is at 07:21 and sunset at 17:04. On the last day of the month, sunrise is at 07:39 and sunset at 17:14 EET.

Sunshine

In December, the average sunshine is 5.7h.

UV index

December is the month with the lowest UV index, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for the average person.
Note: A daily maximum UV index of 2 in December translates into the following instructions:
Prolonged sun exposure should always be prevented in babies, children, and those with sensitive skin. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.

Frequently asked questions

The high-temperature, in December, in Rafina, records 13.7°C (56.7°F), while the low-temperature is 9.2°C (48.6°F). The average heat index (a.k.a. 'real feel', 'apparent temperature'), which combines air temperature and relative humidity, in August is evaluated at 32°C (89.6°F).

In Rafina, Greece, the average relative humidity in December is 73%.

The months with the most rainfall are January and December, with an average 49mm (1.93") of precipitation.

In Rafina, in December, it is raining for 12.3 days, with typically 49mm (1.93") of accumulated precipitation.

In Rafina, snow does not fall in March through December.

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

In Rafina, in December, the average water temperature is 16.3°C (61.3°F). Swimming in 16.3°C (61.3°F) is not enjoyable for the majority. Controlling breathing becomes progressively more difficult as surface water temperature decreases below 21°C (69.8°F).

December has the shortest days of the year, with an average of 9h and 36min of daylight.

In Rafina, the average day length in December is 9h and 35min.

On the first day of December, sunrise is at 07:21 and sunset at 17:04. On the last day of the month, sunrise is at 07:39 and sunset at 17:14 EET.

In Rafina, the average sunshine duration in December is 5.7h.

With an average maximum UV index of 2, December is the month with the lowest UV index.

In December, the average daily maximum UV index is 2. A UV Index estimate of 2, and below, represents a minimal hazard to health 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 sea temperature
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Rafina, Greece

  • Average high temperature in December: 13.7°C

The warmest months (with the highest average high temperature) are July and August (30.3°C).
The month with the lowest average high temperature is January (11.9°C).

  • Average low temperature in December: 9.2°C

The month with the highest average low temperature is August (23.5°C).
The coldest month (with the lowest average low temperature) is January (7.5°C).

Average pressure in December
Rafina, Greece

  • Average pressure in December: 1018.2mbar

The month with the highest atmospheric pressure is December (1018.2mbar).
The month with the lowest atmospheric pressure is July (1011mbar).

Average wind speed in December
Rafina, Greece

  • Average wind speed in December: 15.4km/h

The windiest month (with the highest average wind speed) is August (17.1km/h).
The calmest month (with the lowest average wind speed) is May (11.8km/h).

Average humidity in December
Rafina, Greece

  • Average humidity in December: 73%

The month with the highest relative humidity is January (74%).
The month with the lowest relative humidity is August (52%).

Average rainfall in December
Rafina, Greece

  • Average rainfall in December: 49mm

The wettest months (with the highest rainfall) are January and December (49mm).
The driest month (with the least rainfall) is August (3mm).

Average rainfall days in December
Rafina, Greece

  • Average rainfall days in December: 12.3 days

The month with the highest number of rainy days is December (12.3 days).
The month with the least rainy days is August (1.8 days).

Average snowfall in December
Rafina, Greece

  • Average snowfall in December: 0mm

The month with the highest snowfall is January (33mm).
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0mm).

Average snowfall days in December
Rafina, Greece

  • Average snowfall days in December: 0 days

The month with the highest number of snowfall days is January (1.3 days).
The months with the least snowfall days are April, May, June, July, August, September, October, November and December (0 days).

Average sea temperature in December
Rafina, Greece

  • Average sea temperature in December: 16.3°C

The best month for swimming (with the highest average sea temperature) is August (25.8°C).
The coldest month (with the lowest average sea temperature) is February (15.1°C).

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

  • Average daylight in December: 9h and 36min

The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).

  • Average sunshine in December: 5h and 42min

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 30min).

Average sunshine days in December
Rafina, Greece

  • Average sunshine days in December: 17.4 days

The month with the most sunshine days is August (27.9 days).
The month with the least sunshine days is January (15.9 days).

Average UV index in December
Rafina, Greece

  • Average UV index in December: 2

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

Average cloud cover in December
Rafina, Greece

  • Average cloud cover in December: 37

The month with the most cloud cover is January (Cloud cover 41).
The month with the least cloud cover is August (Cloud cover 6).

Average visibility in December
Rafina, 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).