December weather forecastArethousa, Greece
December
Weather in December
December, the first month of the winter in Arethousa, is also a frosty month, with an average temperature fluctuating between 9.5°C (49.1°F) and 2°C (35.6°F).Temperature
A subtle decrease in the average high-temperature marks December, falling from November's refreshing 15°C (59°F) to a frosty 9.5°C (49.1°F). Arethousa, in December, observes a steady average low-temperature of 2°C (35.6°F).Humidity
In December, the average relative humidity in Arethousa is 74%.Rainfall
In Arethousa, Greece, in December, during 10.3 rainfall days, 42mm (1.65") of precipitation is typically accumulated. Throughout the year, in Arethousa, there are 124.6 rainfall days, and 419mm (16.5") of precipitation is accumulated.Snowfall
January through March and December are months with snowfall. December is the first month it typically snows in Arethousa. Throughout December, in the average 0.5 snowfall days, it receives 3mm (0.12") of snow. In Arethousa, Greece, during the entire year, snow falls for 3.7 days and aggregates up to 38mm (1.5") of snow.Daylight
December has the shortest days of the year in Arethousa, with an average of 9h and 18min of daylight.On the first day of December in Arethousa, sunrise is at 07:30 and sunset at 16:58. On the last day of the month, sunrise is at 07:49 and sunset at 17:08 EET.
Sunshine
January and December, with an average of 6.2h of sunshine, are months with the least sunshine in Arethousa.UV index
January and December, with an average maximum UV index of 2, are months with the lowest UV index in Arethousa. A UV Index value of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In December, the UV index of 2 transforms into the following advice:
It is important to always shield children, babies, and individuals with sensitive skin from prolonged exposure to the sun. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. Employ a hat with a wide brim for robust protection, cutting UV exposure by half. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Arethousa, Greece
- Average high temperature in December: 9.5°C
The warmest month (with the highest average high temperature) is August (32.3°C).
The month with the lowest average high temperature is January (7.9°C).
- Average low temperature in December: 2°C
The month with the highest average low temperature is August (18.9°C).
The coldest month (with the lowest average low temperature) is January (0.2°C).
Average pressure in December
Arethousa, Greece
- Average pressure in December: 1020mbar
The month with the highest atmospheric pressure is December (1020mbar).
The month with the lowest atmospheric pressure is July (1013.2mbar).
Average wind speed in December
Arethousa, Greece
- Average wind speed in December: 6.3km/h
The windiest month (with the highest average wind speed) is March (7.2km/h).
The calmest month (with the lowest average wind speed) is August (5.6km/h).
Average humidity in December
Arethousa, Greece
- Average humidity in December: 74%
The months with the highest relative humidity are January and February (76%).
The month with the lowest relative humidity is August (50%).
Average rainfall in December
Arethousa, Greece
- Average rainfall in December: 42mm
The wettest month (with the highest rainfall) is November (55mm).
The driest month (with the least rainfall) is August (16mm).
Average rainfall days in December
Arethousa, Greece
- Average rainfall days in December: 10.3 days
The months with the highest number of rainy days are March and April (13.3 days).
The month with the least rainy days is August (6.3 days).
Average snowfall in December
Arethousa, Greece
- Average snowfall in December: 3mm
The month with the highest snowfall is January (21mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in December
Arethousa, Greece
- Average snowfall days in December: 0.5 days
The month with the highest number of snowfall days is January (1.8 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight in December /
Average sunshine in December
Arethousa, Greece
- Average daylight in December: 9h and 18min
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 18min).
- Average sunshine in December: 6h and 12min
The months with the most sunshine are June, July and August (Average sunshine: 11h and 42min).
The months with the least sunshine are January and December (Average sunshine: 6h and 12min).
Average sunshine days in December
Arethousa, Greece
- Average sunshine days in December: 19.5 days
The month with the most sunshine days is August (22.1 days).
The month with the least sunshine days is April (13.8 days).
Average UV index in December
Arethousa, Greece
- Average UV index in December: 2
The months with the highest UV index are July and August (UV index 7).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in December
Arethousa, Greece
- Average cloud cover in December: 34
The month with the most cloud cover is February (Cloud cover 40).
The month with the least cloud cover is August (Cloud cover 17).
Average visibility in December
Arethousa, Greece
- Average visibility in December: 9km
The months with the highest visibility are May, June, July, August, September and October (10km).
The months with the lowest visibility are January, February, March, April, November and December (9km).








