December weather forecastKalloni, Greece
December
Weather in December
The first month of the winter, December, is still a cool month in Kalloni, Greece, with temperature in the range of an average high of 12.8°C (55°F) and an average low of 9.5°C (49.1°F).Temperature
In the transition to December, Kalloni observes a minor drop in the average high-temperature, shifting from a comfortable 16.9°C (62.4°F) in November to a fresh 12.8°C (55°F). In Kalloni, the nightly December temperatures experience a slight descent from daily highs to an average low of 9.5°C (49.1°F).Humidity
The average relative humidity in December is 73%.Rainfall
In Kalloni, during December, the rain falls for 11.5 days and regularly aggregates up to 52mm (2.05") of precipitation. Throughout the year, in Kalloni, there are 102.7 rainfall days, and 430mm (16.93") of precipitation is accumulated.Snowfall
In Kalloni, snow does not fall in March through December.Daylight
With an average of 9h and 30min of daylight, December has the shortest days of the year in Kalloni.On the first day of the month, sunrise is at 07:16 and sunset at 16:52. On the last day of December, sunrise is at 07:34 and sunset at 17:02 EET.
Sunshine
In December, the average sunshine in Kalloni is 6h.UV index
The months with the lowest UV index in Kalloni are January, February and December, with an average maximum UV index of 3. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for average individuals.Note: During December, 3 as the daily maximum UV index converts into the following advice:
Put precautions into practice - Protective measures against sun-induced damage are advised. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Kalloni, Greece
- Average high temperature in December: 12.8°C
The warmest month (with the highest average high temperature) is August (29.7°C).
The month with the lowest average high temperature is January (11.1°C).
- Average low temperature in December: 9.5°C
The month with the highest average low temperature is August (22.9°C).
The coldest month (with the lowest average low temperature) is January (7.8°C).
Average pressure in December
Kalloni, 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 (1009.7mbar).
Average wind speed in December
Kalloni, Greece
- Average wind speed in December: 20.6km/h
The windiest month (with the highest average wind speed) is January (22.2km/h).
The calmest month (with the lowest average wind speed) is May (14km/h).
Average humidity in December
Kalloni, Greece
- Average humidity in December: 73%
The months with the highest relative humidity are January and February (74%).
The month with the lowest relative humidity is August (60%).
Average rainfall in December
Kalloni, Greece
- Average rainfall in December: 52mm
The wettest month (with the highest rainfall) is January (89mm).
The driest month (with the least rainfall) is August (1mm).
Average rainfall days in December
Kalloni, Greece
- Average rainfall days in December: 11.5 days
The month with the highest number of rainy days is January (14 days).
The month with the least rainy days is August (0.8 days).
Average snowfall in December
Kalloni, Greece
- Average snowfall in December: 0mm
The month with the highest snowfall is January (12mm).
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0mm).
Average snowfall days in December
Kalloni, Greece
- Average snowfall days in December: 0 days
The month with the highest number of snowfall days is January (0.8 days).
The months with the least snowfall days are April, May, June, July, August, September, October, November and December (0 days).
Average daylight in December /
Average sunshine in December
Kalloni, Greece
- Average daylight in December: 9h and 30min
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 30min).
- Average sunshine in December: 6h and 0min
The months with the most sunshine are July and August (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 5h and 36min).
Average sunshine days in December
Kalloni, Greece
- Average sunshine days in December: 17.5 days
The month with the most sunshine days is August (29 days).
The month with the least sunshine days is February (13.6 days).
Average UV index in December
Kalloni, 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
Kalloni, Greece
- Average cloud cover in December: 36
The month with the most cloud cover is January (Cloud cover 41).
The month with the least cloud cover is August (Cloud cover 3).
Average visibility in December
Kalloni, 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).





