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
The onset of December is marked by a decrease in temperature, transitioning from a mild 15.7°C (60.3°F) in November to a cool 10.1°C (50.2°F). Kastanas encounters a steady low-temperature average of 3.9°C (39°F) throughout the month of December.Humidity
In Kastanas, the average relative humidity in December is 73%.Rainfall
In Kastanas, in December, during 9.5 rainfall days, 41mm (1.61") of precipitation is typically accumulated. In Kastanas, during the entire year, the rain falls for 133.1 days and collects up to 436mm (17.17") of precipitation.Snowfall
January through March, November and December are months with snowfall in Kastanas. In Kastanas, in December, snow falls for 0.7 days, with typically accumulated 6mm (0.24") of snow. In Kastanas, during the entire year, snow falls for 4.9 days and aggregates up to 86mm (3.39") of snow.Daylight
December has the shortest days of the year in Kastanas, with an average of 9h and 18min of daylight.On the first day of December, sunrise is at 07:34 and sunset at 17:02. On the last day of the month, sunrise is at 07:53 and sunset at 17:11 EET.
Sunshine
The average sunshine in December in Kastanas is 6.2h.UV index
January and December, with an average maximum UV index of 2, are months with the lowest UV index in Kastanas. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum daily UV index of 2 during December translates into the following directions:
While most can endure approximately an hour in the sun without burning, children always require protection from sunlight. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.
Frequently asked questions
What is the temperature in December in Kastanas?
What is the average humidity in December in Kastanas?
How much does it rain in Kastanas in December?
How many days does it snow in December in Kastanas?
What is the month with the shortest days in Kastanas?
How many hours of daylight does Kastanas have in December?
When is the sunrise / sunset in December in Kastanas?
How long on average sun shines in December in Kastanas?
What is the month with the lowest UV index in Kastanas?
What is the UV index reading in December in Kastanas?
Average temperature in December
Kastanas, Greece
- Average high temperature in December: 10.1°C
The warmest month (with the highest average high temperature) is July (31.8°C).
The month with the lowest average high temperature is January (8.4°C).
- Average low temperature in December: 3.9°C
The month with the highest average low temperature is August (20.8°C).
The coldest month (with the lowest average low temperature) is January (2.2°C).
Average pressure in December
Kastanas, Greece
- Average pressure in December: 1019.8mbar
The month with the highest atmospheric pressure is December (1019.8mbar).
The month with the lowest atmospheric pressure is July (1013.2mbar).
Average wind speed in December
Kastanas, Greece
- Average wind speed in December: 8.9km/h
The windiest month (with the highest average wind speed) is February (9.2km/h).
The calmest month (with the lowest average wind speed) is November (7.3km/h).
Average humidity in December
Kastanas, Greece
- Average humidity in December: 73%
The months with the highest relative humidity are January and February (75%).
The month with the lowest relative humidity is August (52%).
Average rainfall in December
Kastanas, Greece
- Average rainfall in December: 41mm
The wettest month (with the highest rainfall) is March (55mm).
The driest month (with the least rainfall) is August (20mm).
Average rainfall days in December
Kastanas, Greece
- Average rainfall days in December: 9.5 days
The month with the highest number of rainy days is March (14.3 days).
The month with the least rainy days is August (8.4 days).
Average snowfall in December
Kastanas, Greece
- Average snowfall in December: 6mm
The month with the highest snowfall is January (35mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in December
Kastanas, Greece
- Average snowfall days in December: 0.7 days
The month with the highest number of snowfall days is January (2.1 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Kastanas, Greece
- Average daylight in December: 9h and 2min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in December: 6h and 1min
The months with the most sunshine are July and August (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 5h and 48min).
Average sunshine days in December
Kastanas, Greece
- Average sunshine days in December: 19.1 days
The month with the most sunshine days is August (20 days).
The month with the least sunshine days is June (13.5 days).
Average UV index in December
Kastanas, Greece
- Average UV index in December: 2
The months with the highest UV index are July and August (UV index 7).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in December
Kastanas, Greece
- Average cloud cover in December: 34
The month with the most cloud cover is February (Cloud cover 44).
The month with the least cloud cover is July (Cloud cover 15).
Average visibility in December
Kastanas, Greece
- Average visibility in December: 9km
The months with the highest visibility are May, June, July, August, September and October (10km).
The months with the lowest visibility are January, February, March, April, November and December (9km).
Kastanas, Greece
Weather forecast for your location
2. Allow the app to use your location
