December weather forecastKastro, Greece
December
Weather in December
December, the first month of the winter in Kastro, is still a cool month, with an average temperature ranging between min 3.9°C (39°F) and max 10.2°C (50.4°F).Temperature
A subtle change in temperatures is noted as November gives way to December, with average highs reducing from a moderate 14.9°C (58.8°F) to a cool 10.2°C (50.4°F). Throughout December, the temperature in Kastro falls to an average low of 3.9°C (39°F).Humidity
The average relative humidity in December in Kastro, Greece, is 82%.Rainfall
In Kastro, in December, it is raining for 13.3 days, with typically 64mm (2.52") of accumulated precipitation. Throughout the year, there are 155.4 rainfall days, and 681mm (26.81") of precipitation is accumulated.Snowfall
January through April and December are months with snowfall. December is the first month it typically snows. Throughout December, in the average 2.4 snowfall days, it receives 82mm (3.23") of snow. Throughout the year, there are 11.2 snowfall days, and 294mm (11.57") of snow is accumulated.Daylight
December has the shortest days of the year in Kastro, with an average of 9h and 36min of daylight.On the first day of December, sunrise is at 07:32 and sunset at 17:16. On the last day of the month, sunrise is at 07:50 and sunset at 17:26 EET.
Sunshine
In Kastro, the average sunshine in December is 6h.UV index
The months with the lowest UV index are January and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The daily maximum UV index of 2 in December interprets into the following advice:
The majority are not significantly affected by prolonged sun exposure. Infants, children, and those with fair skin must always have protection. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Kastro, Greece
- Average high temperature in December: 10.2°C
The warmest months (with the highest average high temperature) are July and August (28.9°C).
The month with the lowest average high temperature is January (8.2°C).
- Average low temperature in December: 3.9°C
The month with the highest average low temperature is August (17.6°C).
The coldest month (with the lowest average low temperature) is January (1.9°C).
Average pressure in December
Kastro, 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 (1011.7mbar).
Average wind speed in December
Kastro, Greece
- Average wind speed in December: 7.9km/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 (7.1km/h).
Average humidity in December
Kastro, Greece
- Average humidity in December: 82%
The month with the highest relative humidity is January (84%).
The month with the lowest relative humidity is August (53%).
Average rainfall in December
Kastro, Greece
- Average rainfall in December: 64mm
The wettest month (with the highest rainfall) is January (89mm).
The driest month (with the least rainfall) is August (26mm).
Average rainfall days in December
Kastro, Greece
- Average rainfall days in December: 13.3 days
The month with the highest number of rainy days is May (16.3 days).
The month with the least rainy days is August (8.2 days).
Average snowfall in December
Kastro, Greece
- Average snowfall in December: 82mm
The month with the highest snowfall is January (108mm).
The months with the least snowfall are May, June, July, August, September, October and November (0mm).
Average snowfall days in December
Kastro, Greece
- Average snowfall days in December: 2.4 days
The month with the highest number of snowfall days is January (4.3 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
Kastro, 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: 6h and 0min
The months with the most sunshine are July and August (Average sunshine: 11h and 48min).
The month with the least sunshine is January (Average sunshine: 5h and 12min).
Average sunshine days in December
Kastro, Greece
- Average sunshine days in December: 15.4 days
The month with the most sunshine days is August (20.5 days).
The month with the least sunshine days is May (11.3 days).
Average UV index in December
Kastro, Greece
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in December
Kastro, Greece
- Average cloud cover in December: 39
The month with the most cloud cover is January (Cloud cover 47).
The month with the least cloud cover is August (Cloud cover 11).
Average visibility in December
Kastro, Greece
- Average visibility in December: 9km
The months with the highest visibility are May, June, July, August, September and October (10km).
The month with the lowest visibility is January (8km).





