December weather forecastArgostolion, Greece
December
Weather in December
December, the first month of the winter in Argostolion, is also a moderate month, with an average temperature fluctuating between 15.6°C (60.1°F) and 13.6°C (56.5°F).Temperature
As December arrives, Argostolion's weather displays a minor decrease in high-temperatures, transitioning from November's enjoyable 19.1°C (66.4°F) to a still refreshing 15.6°C (60.1°F). Argostolion registers a small shift from peak daytime temperatures, with a consistent average low-temperature of 13.6°C (56.5°F) during December.Humidity
September and December, with an average relative humidity of 68%, are the least humid months in Argostolion.Rainfall
In Argostolion, during December, the rain falls for 17.2 days and regularly aggregates up to 89mm (3.5") of precipitation. Throughout the year, there are 130.6 rainfall days, and 696mm (27.4") of precipitation is accumulated.Sea temperature
In Argostolion, the average seawater temperature in December is 17.5°C (63.5°F).Note: For most, swimming in 17.5°C (63.5°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
December has the shortest days of the year in Argostolion, with an average of 9h and 36min of daylight.On the first day of December, sunrise is at 07:36 and sunset at 17:18. On the last day of the month, sunrise is at 07:54 and sunset at 17:28 EET.
Sunshine
The average sunshine in December in Argostolion is 5.9h.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 value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for the ordinary person.Note: In December, a daily UV index of 4 turns into the following recommendations:
Exercise prevention - Protecting skin and eyes from harm is required. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Argostolion, Greece
- Average high temperature in December: 15.6°C
The warmest month (with the highest average high temperature) is August (27.9°C).
The month with the lowest average high temperature is January (13.9°C).
- Average low temperature in December: 13.6°C
The month with the highest average low temperature is August (25.8°C).
The coldest month (with the lowest average low temperature) is January (12°C).
Average pressure in December
Argostolion, Greece
- Average pressure in December: 1018.2mbar
The month with the highest atmospheric pressure is December (1018.2mbar).
The month with the lowest atmospheric pressure is July (1011.9mbar).
Average wind speed in December
Argostolion, Greece
- Average wind speed in December: 19.6km/h
The windiest month (with the highest average wind speed) is January (21.4km/h).
The calmest month (with the lowest average wind speed) is August (14km/h).
Average humidity in December
Argostolion, Greece
- Average humidity in December: 68%
The month with the highest relative humidity is April (74%).
The months with the lowest relative humidity are September and December (68%).
Average rainfall in December
Argostolion, Greece
- Average rainfall in December: 89mm
The wettest month (with the highest rainfall) is November (119mm).
The driest month (with the least rainfall) is August (3mm).
Average rainfall days in December
Argostolion, Greece
- Average rainfall days in December: 17.2 days
The month with the highest number of rainy days is January (17.4 days).
The month with the least rainy days is August (2.1 days).
Average sea temperature in December
Argostolion, Greece
- Average sea temperature in December: 17.5°C
The best month for swimming (with the highest average sea temperature) is August (25.9°C).
The coldest month (with the lowest average sea temperature) is February (15.4°C).
Average daylight in December /
Average sunshine in December
Argostolion, Greece
- Average daylight in December: 9h and 36min
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 36min).
- Average sunshine in December: 5h and 54min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 5h and 24min).
Average sunshine days in December
Argostolion, Greece
- Average sunshine days in December: 12.2 days
The month with the most sunshine days is August (27.1 days).
The month with the least sunshine days is January (11.2 days).
Average UV index in December
Argostolion, 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
Argostolion, Greece
- Average cloud cover in December: 37
The month with the most cloud cover is January (Cloud cover 44).
The month with the least cloud cover is July (Cloud cover 6).
Average visibility in December
Argostolion, 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).





