December weather forecastAstypalaia, Greece
December
Weather in December
December, the first month of the winter in Astypalaia, is also an enjoyable month, with an average temperature ranging between max 16°C (60.8°F) and min 14.3°C (57.7°F).Temperature
With the arrival of December, Astypalaia notices a mild change in the average high-temperature, sliding from November's enjoyable 19.3°C (66.7°F) to a still comfortable 16°C (60.8°F). The nights of December cool down to an average low of 14.3°C (57.7°F), subtly lower than daytime highs.Humidity
The months with the lowest humidity are January, November and December, with an average relative humidity of 68%.Rainfall
December is the month with the most rainfall. Rain falls for 14.6 days and accumulates 106mm (4.17") of precipitation.Sea temperature
In December, the average sea temperature is 17.9°C (64.2°F).Note: Swimming in 17.9°C (64.2°F) is not a pleasurable activity for the majority of people. Breathing becomes increasingly challenging as water temperature descends from 21°C (69.8°F) to 15°C (59°F).
Daylight
The month with the shortest days is December, with an average of 9h and 42min of daylight.On the first day of December, sunrise is at 07:08 and sunset at 16:59. On the last day of the month, sunrise is at 07:26 and sunset at 17:09 EET.
Sunshine
In Astypalaia, the average sunshine in December is 6.3h.UV index
The months with the lowest UV index are January, February and December, with an average maximum UV index of 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: A maximum UV index of 4 in December translates into the following recommendations:
Prioritize safety - Suggestions to prevent sun damage are offered. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Astypalaia, Greece
- Average high temperature in December: 16°C
The warmest month (with the highest average high temperature) is August (26.8°C).
The month with the lowest average high temperature is January (14.5°C).
- Average low temperature in December: 14.3°C
The month with the highest average low temperature is August (24.8°C).
The coldest month (with the lowest average low temperature) is January (12.4°C).
Average pressure in December
Astypalaia, Greece
- Average pressure in December: 1017.5mbar
The month with the highest atmospheric pressure is December (1017.5mbar).
The month with the lowest atmospheric pressure is July (1007.6mbar).
Average wind speed in December
Astypalaia, Greece
- Average wind speed in December: 27.2km/h
The windiest month (with the highest average wind speed) is January (28.8km/h).
The calmest month (with the lowest average wind speed) is May (18.1km/h).
Average humidity in December
Astypalaia, Greece
- Average humidity in December: 68%
The month with the highest relative humidity is June (74%).
The months with the lowest relative humidity are January, November and December (68%).
Average rainfall in December
Astypalaia, Greece
- Average rainfall in December: 106mm
The wettest month (with the highest rainfall) is December (106mm).
The driest months (with the least rainfall) are July and August (1mm).
Average rainfall days in December
Astypalaia, Greece
- Average rainfall days in December: 14.6 days
The month with the highest number of rainy days is January (15.3 days).
The month with the least rainy days is August (0.4 days).
Average sea temperature in December
Astypalaia, Greece
- Average sea temperature in December: 17.9°C
The best month for swimming (with the highest average sea temperature) is August (24.9°C).
The coldest months (with the lowest average sea temperature) are February and March (16.8°C).
Average daylight in December /
Average sunshine in December
Astypalaia, Greece
- Average daylight in December: 9h and 42min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in December: 6h and 18min
The month with the most sunshine is June (Average sunshine: 12h and 12min).
The month with the least sunshine is January (Average sunshine: 6h and 6min).
Average sunshine days in December
Astypalaia, Greece
- Average sunshine days in December: 15.2 days
The month with the most sunshine days is August (29.9 days).
The month with the least sunshine days is February (13.7 days).
Average UV index in December
Astypalaia, 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 and December (UV index 4).
Average cloud cover in December
Astypalaia, Greece
- Average cloud cover in December: 31
The month with the most cloud cover is January (Cloud cover 35).
The month with the least cloud cover is July (Cloud cover 2).
Average visibility in December
Astypalaia, 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).
