December weather forecastAstros, Greece
December
Weather in December
The first month of the winter, December, is still a cool month in Astros, Greece, with an average temperature varying between 4.4°C (39.9°F) and 12.1°C (53.8°F).Temperature
In the transition to December, Astros observes a minor drop in the average high-temperature, shifting from an enjoyable 16.5°C (61.7°F) in November to a fresh 12.1°C (53.8°F). In Astros, the average low-temperature during the month of December is an icy 4.4°C (39.9°F).Humidity
In December, the average relative humidity in Astros is 82%.Rainfall
In Astros, in December, it is raining for 13.8 days, with typically 73mm (2.87") of accumulated precipitation. Throughout the year, in Astros, there are 148.3 rainfall days, and 654mm (25.75") of precipitation is accumulated.Snowfall
January through April, November and December are months with snowfall. In Astros, in December, during 2.8 snowfall days, 103mm (4.06") of snow is typically accumulated. In Astros, during the entire year, snow falls for 15.9 days and aggregates up to 410mm (16.14") of snow.Daylight
December has the shortest days of the year in Astros, Greece, with an average of 9h and 36min of daylight.On the first day of the month, sunrise is at 07:25 and sunset at 17:11. On the last day of December, in Astros, sunrise is at 07:43 and sunset at 17:21 EET.
Sunshine
In December, the average sunshine in Astros is 5.7h.UV index
With an average maximum UV index of 2, December is the month with the lowest UV index. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation for the average person.Note: The maximum daily UV index, 2 in December, converts into the following recommendations:
The majority are not significantly affected by prolonged sun exposure. Infants, children, and those with fair skin must always have protection. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days. Consider carefully! The reflective quality of snow can almost double the intensity of the Sun's UV radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Astros, Greece
- Average high temperature in December: 12.1°C
The warmest month (with the highest average high temperature) is July (30.9°C).
The month with the lowest average high temperature is January (10°C).
- Average low temperature in December: 4.4°C
The month with the highest average low temperature is August (18.8°C).
The coldest month (with the lowest average low temperature) is January (3°C).
Average pressure in December
Astros, Greece
- Average pressure in December: 1018.3mbar
The month with the highest atmospheric pressure is December (1018.3mbar).
The month with the lowest atmospheric pressure is July (1011.5mbar).
Average wind speed in December
Astros, Greece
- Average wind speed in December: 7.8km/h
The windiest month (with the highest average wind speed) is February (8.8km/h).
The calmest month (with the lowest average wind speed) is September (6.8km/h).
Average humidity in December
Astros, Greece
- Average humidity in December: 82%
The month with the highest relative humidity is January (83%).
The months with the lowest relative humidity are July and August (50%).
Average rainfall in December
Astros, Greece
- Average rainfall in December: 73mm
The wettest month (with the highest rainfall) is January (90mm).
The driest months (with the least rainfall) are July and August (23mm).
Average rainfall days in December
Astros, Greece
- Average rainfall days in December: 13.8 days
The months with the highest number of rainy days are January and March (15.3 days).
The months with the least rainy days are July and August (7.1 days).
Average snowfall in December
Astros, Greece
- Average snowfall in December: 103mm
The month with the highest snowfall is January (134mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in December
Astros, Greece
- Average snowfall days in December: 2.8 days
The month with the highest number of snowfall days is January (5.5 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Astros, 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 42min
The month with the most sunshine is August (Average sunshine: 11h and 48min).
The month with the least sunshine is January (Average sunshine: 5h and 18min).
Average sunshine days in December
Astros, Greece
- Average sunshine days in December: 14.2 days
The months with the most sunshine days are July and August (22.6 days).
The month with the least sunshine days is February (9.9 days).
Average UV index in December
Astros, Greece
- Average UV index in December: 2
The month with the highest UV index is July (UV index 7).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in December
Astros, Greece
- Average cloud cover in December: 41
The month with the most cloud cover is January (Cloud cover 47).
The month with the least cloud cover is August (Cloud cover 12).
Average visibility in December
Astros, Greece
- Average visibility in December: 8km
The months with the highest visibility are May, June, July, August and September (10km).
The months with the lowest visibility are January, February and December (8km).
