December weather forecastPosidi, Greece
December
Weather in December
The first month of the winter, December, is also a fresh month in Posidi, Greece, with an average temperature ranging between min 4°C (39.2°F) and max 11°C (51.8°F).Temperature
The arrival of December corresponds with a reduction in the average high-temperature, down from November's enjoyable 16°C (60.8°F) to a fresh 11°C (51.8°F). Posidi, in December, observes a steady average low-temperature of 4°C (39.2°F).Rainfall
December is the month with the most rainfall. Rain falls for 9 days and accumulates 77mm (3.03") of precipitation.Sea temperature
In December, the average sea temperature is 15°C (59°F).Note: Most individuals do not find swimming at 15°C (59°F) to be enjoyable. As the water temperature declines below 21°C (69.8°F), maintaining control over one's breathing becomes harder.
Daylight
With an average of 9h and 24min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 07:29 and sunset at 17:01. On the last day of December, in Posidi, sunrise is at 07:48 and sunset at 17:11 EET.
Sunshine
January, February, November and December, with an average of 4h of sunshine, are months with the least sunshine.UV index
The months with the lowest UV index are January, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: The maximum UV index, 2 during December, leads to the following recommendations:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. Around midday, solar radiation is most harmful; hence, exposure should be limited. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Posidi, Greece
- Average high temperature in December: 11°C
The warmest months (with the highest average high temperature) are July and August (30°C).
The month with the lowest average high temperature is January (9°C).
- Average low temperature in December: 4°C
The months with the highest average low temperature are July and August (18°C).
The coldest month (with the lowest average low temperature) is January (2°C).
Average rainfall in December
Posidi, Greece
- Average rainfall in December: 77mm
The wettest month (with the highest rainfall) is December (77mm).
The driest month (with the least rainfall) is July (24mm).
Average rainfall days in December
Posidi, Greece
- Average rainfall days in December: 9 days
The months with the highest number of rainy days are January, November and December (9 days).
The months with the least rainy days are July, August and September (4 days).
Average sea temperature in December
Posidi, Greece
- Average sea temperature in December: 15°C
The best months for swimming (with the highest average sea temperature) are July and August (24°C).
The coldest months (with the lowest average sea temperature) are January, February and March (14°C).
Average daylight in December /
Average sunshine in December
Posidi, Greece
- Average daylight in December: 9h and 24min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in December: 4h
The month with the most sunshine is July (Average sunshine: 12h).
The months with the least sunshine are January, February, November and December (Average sunshine: 4h).
Average UV index in December
Posidi, Greece
- Average UV index in December: 2
The months with the highest UV index are June and July (UV index 9).
The months with the lowest UV index are January, November and December (UV index 2).
