Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
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.
Frequently asked questions
What are December temperatures in Kastro?
What is the average humidity in December in Kastro?
How much does it rain in Kastro in December?
When does it start snowing in Kastro?
What is the month with the shortest days in Kastro?
What is the average length of the day in December in Kastro?
When is the sunrise / sunset in December in Kastro?
How many hours of sunshine does Kastro have in December?
What is the month with the lowest UV index in Kastro?
What is the UV index intensity in December in Kastro?
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 4min
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).
Kastro, Greece
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