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 sea temperature 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 arrival of December signals a subtle shift in temperature, down from an enjoyable 19.3°C (66.7°F) in November to a still refreshing 16°C (60.8°F). Astypalaia maintains an average of approximately a mild 14.3°C (57.7°F) during December nights, with only a minimal decrease from the daytime temperature.Humidity
January, November and December, with an average relative humidity of 68%, are the least humid months.Rainfall
The month with the most rainfall in Astypalaia is December, when the rain falls for 14.6 days and typically aggregates up to 106mm (4.17") of precipitation.Sea temperature
In December, the average sea temperature in Astypalaia, Greece, is 17.9°C (64.2°F).Note: For most, swimming in 17.9°C (64.2°F) is not an enjoyable activity. Furthermore, controlling your breathing becomes progressively more difficult as the water temperature decreases from 21°C (69.8°F) to 15°C (59°F).
Daylight
With an average of 9h and 42min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 07:08 and sunset at 16:59. On the last day of December, in Astypalaia, Greece, sunrise is at 07:26 and sunset at 17:09 EET.
Sunshine
In Astypalaia, the average sunshine in December is 6.3h.UV index
January, February and December, with an average maximum UV index of 4, are months with the lowest UV index. A UV Index of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: During December, 4 as the daily maximum UV index converts into the following advice:
Preventative actions are necessary - Recommendations to ward off sunburn are given. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Tightly woven clothing, when worn loosely, shields effectively against the Sun.
Frequently asked questions
What are the temperatures in Astypalaia in December?
What is the least humid month in Astypalaia?
What is the average humidity in December in Astypalaia?
What is the wettest month in Astypalaia?
How much does it rain in Astypalaia in December?
How cold is the water in December in Astypalaia?
What is the month with the shortest days in Astypalaia?
How many hours of daylight does Astypalaia have in December?
What time are sunrise and sunset in December in Astypalaia?
How many hours of sunshine does Astypalaia have in December?
When is the lowest UV index in Astypalaia?
What is the UV index intensity in December in Astypalaia?
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 4min
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 2min
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).
Astypalaia, Greece
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