December weather forecastKastos, Greece
December
Weather in December
December, the first month of the winter in Kastos, is still a mild month, with an average temperature varying between 14.5°C (58.1°F) and 11.8°C (53.2°F).Temperature
A mild shift in the average high-temperature occurs in December, reducing from a refreshing 18.3°C (64.9°F) in November to a mild 14.5°C (58.1°F). During December, the nighttime temperatures align closely with the daytime averages, measuring a fresh 11.8°C (53.2°F).Humidity
The average relative humidity in December is 68%.Rainfall
In December, the rain falls for 14.7 days. Throughout December, 85mm (3.35") of precipitation is accumulated. In Kastos, during the entire year, the rain falls for 131 days and collects up to 673mm (26.5") of precipitation.Daylight
With an average of 9h and 30min of daylight, December has the shortest days of the year in Kastos.On the first day of the month, sunrise is at 07:35 and sunset at 17:15. On the last day of December, sunrise is at 07:53 and sunset at 17:25 EET.
Sunshine
In Kastos, Greece, the average sunshine in December is 6.1h.UV index
January, February, November and December, with an average maximum UV index of 4, are months with the lowest UV index in Kastos. A UV Index reading of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: In December, a daily UV index of 4 turns into the following recommendations:
Undertake precautions - Guarding against sun damage is counselled. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Kastos, Greece
- Average high temperature in December: 14.5°C
The warmest month (with the highest average high temperature) is August (29.1°C).
The month with the lowest average high temperature is January (12.9°C).
- Average low temperature in December: 11.8°C
The month with the highest average low temperature is August (25.1°C).
The coldest month (with the lowest average low temperature) is January (10.2°C).
Average pressure in December
Kastos, 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 (1012mbar).
Average wind speed in December
Kastos, Greece
- Average wind speed in December: 14.7km/h
The windiest month (with the highest average wind speed) is February (16.4km/h).
The calmest month (with the lowest average wind speed) is August (10.7km/h).
Average humidity in December
Kastos, Greece
- Average humidity in December: 68%
The months with the highest relative humidity are March and April (71%).
The month with the lowest relative humidity is August (64%).
Average rainfall in December
Kastos, Greece
- Average rainfall in December: 85mm
The wettest month (with the highest rainfall) is November (126mm).
The driest month (with the least rainfall) is August (3mm).
Average rainfall days in December
Kastos, Greece
- Average rainfall days in December: 14.7 days
The month with the highest number of rainy days is January (16 days).
The month with the least rainy days is August (2.1 days).
Average daylight in December /
Average sunshine in December
Kastos, Greece
- Average daylight in December: 9h and 30min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in December: 6h and 6min
The months with the most sunshine are June and July (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 5h and 42min).
Average sunshine days in December
Kastos, Greece
- Average sunshine days in December: 14.7 days
The month with the most sunshine days is August (27.2 days).
The month with the least sunshine days is February (12.7 days).
Average UV index in December
Kastos, Greece
- Average UV index in December: 4
The months with the highest UV index are July and August (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 4).
Average cloud cover in December
Kastos, Greece
- Average cloud cover in December: 35
The month with the most cloud cover is January (Cloud cover 41).
The month with the least cloud cover is August (Cloud cover 7).
Average visibility in December
Kastos, 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).





