December weather forecastErmones, Greece
December
Weather in December
The first month of the winter, December, is still a mild month in Ermones, Greece, with an average temperature varying between 13.4°C (56.1°F) and 10.5°C (50.9°F).Temperature
The arrival of December is marked by a minor reduction in average high-temperature, sliding from a comfortable 17.5°C (63.5°F) in November to a moderate 13.4°C (56.1°F). The nights of December anticipate a slight dip from daytime high temperatures, settling to an average low-temperature of 10.5°C (50.9°F).Humidity
In December, the average relative humidity in Ermones is 69%.Rainfall
In Ermones, in December, it is raining for 15.1 days, with typically 106mm (4.17") of accumulated precipitation. Throughout the year, in Ermones, there are 147.4 rainfall days, and 888mm (34.96") of precipitation is accumulated.Snowfall
February through December are months without snowfall.Sea temperature
In Ermones, the average seawater temperature in December is 16°C (60.8°F).Note: Swimming in water at 16°C (60.8°F) is not a pleasurable experience for most. The task of managing breathing becomes more challenging as the water temperature descends from 21°C (69.8°F) to 15°C (59°F).
Daylight
With an average of 9h and 24min of daylight, December has the shortest days of the year in Ermones, Greece.On the first day of December, sunrise is at 07:42 and sunset at 17:17. On the last day of the month, sunrise is at 08:01 and sunset at 17:26 EET.
Sunshine
In Ermones, the average sunshine in December is 6.2h.UV index
The months with the lowest UV index in Ermones are February and December, with an average maximum UV index of 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for average individuals.Note: The UV index of 3 in December translates into these instructions:
Be vigilant - Preventing sunburn is recommended. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Ermones, Greece
- Average high temperature in December: 13.4°C
The warmest month (with the highest average high temperature) is August (28.5°C).
The month with the lowest average high temperature is January (11.8°C).
- Average low temperature in December: 10.5°C
The month with the highest average low temperature is August (24.1°C).
The coldest month (with the lowest average low temperature) is January (8.9°C).
Average pressure in December
Ermones, 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 (1012.2mbar).
Average wind speed in December
Ermones, Greece
- Average wind speed in December: 15.6km/h
The windiest month (with the highest average wind speed) is February (17.2km/h).
The calmest month (with the lowest average wind speed) is August (11.1km/h).
Average humidity in December
Ermones, Greece
- Average humidity in December: 69%
The month with the highest relative humidity is March (72%).
The month with the lowest relative humidity is August (63%).
Average rainfall in December
Ermones, Greece
- Average rainfall in December: 106mm
The wettest month (with the highest rainfall) is November (197mm).
The driest month (with the least rainfall) is August (9mm).
Average rainfall days in December
Ermones, Greece
- Average rainfall days in December: 15.1 days
The month with the highest number of rainy days is January (16.8 days).
The month with the least rainy days is August (3.9 days).
Average snowfall in December
Ermones, Greece
- Average snowfall in December: 0mm
The month with the highest snowfall is January (2mm).
The months with the least snowfall are February, March, April, May, June, July, August, September, October, November and December (0mm).
Average snowfall days in December
Ermones, Greece
- Average snowfall days in December: 0 days
The month with the highest number of snowfall days is January (0.3 days).
The months with the least snowfall days are February, March, April, May, June, July, August, September, October, November and December (0 days).
Average sea temperature in December
Ermones, Greece
- Average sea temperature in December: 16°C
The best month for swimming (with the highest average sea temperature) is August (25°C).
The coldest months (with the lowest average sea temperature) are February and March (14°C).
Average daylight in December /
Average sunshine in December
Ermones, 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 12min
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
Ermones, Greece
- Average sunshine days in December: 13.9 days
The month with the most sunshine days is August (23.8 days).
The month with the least sunshine days is February (10.6 days).
Average UV index in December
Ermones, 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 February and December (UV index 3).
Average cloud cover in December
Ermones, Greece
- Average cloud cover in December: 33
The month with the most cloud cover is January (Cloud cover 38).
The months with the least cloud cover are July and August (Cloud cover 8).
Average visibility in December
Ermones, Greece
- Average visibility in December: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October and December (10km).
The month with the lowest visibility is November (9km).
