December weather forecastGlyfada, Greece
December
Weather in December
December, the first month of the winter in Glyfada, is still a refreshing month, with an average temperature ranging between max 14.3°C (57.7°F) and min 10.4°C (50.7°F).Temperature
December brings a slight decrease in temperature, down from an enjoyable 18.2°C (64.8°F) in November to a mild 14.3°C (57.7°F). In Glyfada, the nighttime temperature in December descends gently to an average of 10.4°C (50.7°F).Humidity
In December, the average relative humidity in Glyfada, Greece, is 71%.Rainfall
The month with the most rainfall is December, when the rain falls for 10.5 days and typically aggregates up to 50mm (1.97") of precipitation.Snowfall
March through December are months without snowfall in Glyfada.Sea temperature
In Glyfada, the average seawater temperature in December is 16°C (60.8°F).Note: Swimming in 16°C (60.8°F) is not a pleasurable activity for the majority of people. Breathing becomes increasingly challenging as water temperature descends from 21°C (69.8°F) to 15°C (59°F).
Daylight
With an average of 9h and 36min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 07:22 and sunset at 17:06. On the last day of December, in Glyfada, sunrise is at 07:40 and sunset at 17:15 EET.
Sunshine
In Glyfada, the average sunshine in December is 5.9h.UV index
January and December, with an average maximum UV index of 3, are months with the lowest UV index. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: In December, a regular UV index of 3 translates into these guidelines:
Exercise prevention - Precautions against solar damage are endorsed. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Take to heart! Snow reflection can almost magnify the Sun's UV radiation twofold.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Glyfada, Greece
- Average high temperature in December: 14.3°C
The warmest month (with the highest average high temperature) is August (30.3°C).
The month with the lowest average high temperature is January (12.3°C).
- Average low temperature in December: 10.4°C
The month with the highest average low temperature is August (24.5°C).
The coldest month (with the lowest average low temperature) is January (8.4°C).
Average pressure in December
Glyfada, 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
Glyfada, Greece
- Average wind speed in December: 16.2km/h
The windiest months (with the highest average wind speed) are January and August (17km/h).
The calmest month (with the lowest average wind speed) is May (12.1km/h).
Average humidity in December
Glyfada, Greece
- Average humidity in December: 71%
The month with the highest relative humidity is January (73%).
The month with the lowest relative humidity is August (53%).
Average rainfall in December
Glyfada, Greece
- Average rainfall in December: 50mm
The wettest month (with the highest rainfall) is December (50mm).
The driest months (with the least rainfall) are July and August (2mm).
Average rainfall days in December
Glyfada, Greece
- Average rainfall days in December: 10.5 days
The month with the highest number of rainy days is December (10.5 days).
The month with the least rainy days is August (1.1 days).
Average snowfall in December
Glyfada, Greece
- Average snowfall in December: 0mm
The month with the highest snowfall is January (3mm).
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0mm).
Average snowfall days in December
Glyfada, Greece
- Average snowfall days in December: 0.2 days
The month with the highest number of snowfall days is January (0.6 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October and November (0 days).
Average sea temperature in December
Glyfada, 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
Glyfada, Greece
- Average daylight in December: 9h and 36min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in December: 5h and 54min
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 48min).
Average sunshine days in December
Glyfada, Greece
- Average sunshine days in December: 19.2 days
The months with the most sunshine days are July and August (29.3 days).
The month with the least sunshine days is February (17 days).
Average UV index in December
Glyfada, Greece
- Average UV index in December: 3
The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January and December (UV index 3).
Average cloud cover in December
Glyfada, Greece
- Average cloud cover in December: 35
The month with the most cloud cover is January (Cloud cover 38).
The month with the least cloud cover is August (Cloud cover 6).
Average visibility in December
Glyfada, 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).
