December weather forecastChalki, Greece

December

Weather in December

December, the first month of the winter in Chalki, is also an enjoyable month, with an average temperature varying between 16.3°C (61.3°F) and 14.2°C (57.6°F).

Temperature

As December commences, the average high-temperature subtly reduces, transitioning from a pleasant 20°C (68°F) in November to a refreshing 16.3°C (61.3°F). The December average low temperature in Chalki, marginally lower than the daytime high, records at 14.2°C (57.6°F).

Humidity

In Chalki, the average relative humidity in December is 67%.

Rainfall

December is the month with the most rainfall. Rain falls for 13.6 days and accumulates 80mm (3.15") of precipitation.

Sea temperature

In December, the average sea temperature is 18.8°C (65.8°F).
Note: The majority find it unenjoyable to swim in 18.8°C (65.8°F). Breathing becomes tougher as the water temperature descends under 21°C (69.8°F).

Daylight

December has the shortest days of the year in Chalki, with an average of 9h and 42min of daylight.
On the first day of December in Chalki, Greece, sunrise is at 07:02 and sunset at 16:54. On the last day of the month, sunrise is at 07:20 and sunset at 17:04 EET.

Sunshine

In December, the average sunshine in Chalki is 6.4h.

UV index

The months with the lowest UV index in Chalki 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 radiation for average individuals.
Note: A daily high UV index of 4 in December leads to these guidelines:
Prioritize safety - Suggestions to prevent sun damage are offered. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.

Updated: Feb 14, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

In December, in Chalki, the average high-temperature is 16.3°C (61.3°F), and the average low-temperature is 14.2°C (57.6°F). In August, the average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which combines relative humidity and air temperature, is evaluated at 33°C (91.4°F).

The average relative humidity in December in Chalki is 67%.

The month with the most rainfall in Chalki is December, when the rain falls for 13.6 days and typically aggregates up to 80mm (3.15") of precipitation.

In Chalki, in December, it is raining for 13.6 days, with typically 80mm (3.15") of accumulated precipitation.

In Chalki, the average seawater temperature in December is 18.8°C (65.8°F). Swimming in 18.8°C (65.8°F) is not enjoyable for the majority. Controlling breathing becomes progressively more difficult as surface water temperature decreases below 21°C (69.8°F).

December has the shortest days of the year in Chalki, Greece, with an average of 9h and 42min of daylight.

In December, the average day length is 9h and 44min.

In December, on the first day of the month, sunrise is at 07:02 and sunset at 16:54. On the last day of the month, sunrise is at 07:20 and sunset at 17:04 EET.

In December, the average sunshine duration in Chalki is 6.4h.

January, February and December, with an average maximum UV index of 4, are months with the lowest UV index in Chalki, Greece.

In December, the average daily maximum UV index in Chalki, Greece, is 4. A UV Index reading of 3 to 5 represents a moderate health threat from exposure to the Sun's UV radiation.

Today

Tomorrow

Long-term

Year J F M A M J J A S O N December

Nov

December

Jan

Average high temperature

20°C

16.3°C

14.7°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

16.9km/h

21.3km/h

23.5km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

8.6

13.6

15.2

Average sea temperature

Average daylight

Average sunshine

Average sunshine days

19.2

13.1

Average UV index

Average cloud cover

Average visibility

Average temperature in December
Chalki, Greece

Average high temperature in December: 16.3°C

The warmest month (with the highest average high temperature) is August (29.2°C).
The month with the lowest average high temperature is January (14.7°C).

Average low temperature in December: 14.2°C

The month with the highest average low temperature is August (25.6°C).
The coldest month (with the lowest average low temperature) is January (12.6°C).

Average pressure in December
Chalki, Greece

Average pressure in December: 1017.3mbar

The month with the highest atmospheric pressure is December (1017.3mbar).
The month with the lowest atmospheric pressure is July (1007.1mbar).

Average wind speed in December
Chalki, Greece

Average wind speed in December: 20km/h

The windiest months (with the highest average wind speed) are January and February (22.1km/h).
The calmest month (with the lowest average wind speed) is May (14.9km/h).

Average humidity in December
Chalki, Greece

Average humidity in December: 67%

The months with the highest relative humidity are February, April and June (70%).
The months with the lowest relative humidity are October and November (66%).

Average rainfall in December
Chalki, Greece

Average rainfall in December: 80mm

The wettest month (with the highest rainfall) is December (80mm).
The driest month (with the least rainfall) is August (1mm).

Average rainfall days in December
Chalki, Greece

Average rainfall days in December: 13.6 days

The month with the highest number of rainy days is January (15.2 days).
The months with the least rainy days are July and August (0.3 days).

Average sea temperature in December
Chalki, Greece

Average sea temperature in December: 18.8°C

The best month for swimming (with the highest average sea temperature) is August (26.4°C).
The coldest month (with the lowest average sea temperature) is February (17.1°C).

Average daylight in December /
Average sunshine in December
Chalki, 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 24min

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 0min).

Average sunshine days in December
Chalki, Greece

Average sunshine days in December: 16 days

The month with the most sunshine days is July (30.8 days).
The month with the least sunshine days is January (13.1 days).

Average UV index in December
Chalki, Greece

Average UV index in December: 4

The months with the highest UV index are June, 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
Chalki, Greece

Average cloud cover in December: 29

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
Chalki, 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).