December weather forecastGialova, Greece
December
Weather in December
December, the first month of the winter in Gialova, is still a refreshing month, with an average temperature varying between 15.5°C (59.9°F) and 13°C (55.4°F).Temperature
In December, the average high-temperature marginally decreases from an enjoyable 19.1°C (66.4°F) in November to a moderate 15.5°C (59.9°F). Gialova, during December nights, records a temperature marginally cooler than the daytime average, at a still mild 13°C (55.4°F).Humidity
The average relative humidity in December is 70%.Rainfall
In Gialova, in December, it is raining for 17.7 days, with typically 92mm (3.62") of accumulated precipitation. In Gialova, during the entire year, the rain falls for 134.9 days and collects up to 585mm (23.03") of precipitation.Sea temperature
In December, the average sea temperature is 17°C (62.6°F).Note: Most people do not enjoy swimming in water that is 17°C (62.6°F). Breathing becomes increasingly challenging as the water temperature dips under 21°C (69.8°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 07:27 and sunset at 17:16. On the last day of December, sunrise is at 07:46 and sunset at 17:26 EET.
Sunshine
In Gialova, the average sunshine in December is 6.3h.UV index
The months with the lowest UV index in Gialova, Greece, 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 exposure to the Sun's UV rays for the ordinary person.Note: In December, an average UV index of 4 transforms into the following instructions:
Put precautions into practice - Protective measures against sun-induced damage are advised. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Gialova, Greece
- Average high temperature in December: 15.5°C
The warmest month (with the highest average high temperature) is August (28.3°C).
The month with the lowest average high temperature is January (13.9°C).
- Average low temperature in December: 13°C
The month with the highest average low temperature is August (25.3°C).
The coldest month (with the lowest average low temperature) is January (11.3°C).
Average pressure in December
Gialova, 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 (1011.6mbar).
Average wind speed in December
Gialova, Greece
- Average wind speed in December: 17.8km/h
The windiest month (with the highest average wind speed) is January (19.8km/h).
The calmest month (with the lowest average wind speed) is August (13.5km/h).
Average humidity in December
Gialova, Greece
- Average humidity in December: 70%
The months with the highest relative humidity are February, March and April (72%).
The months with the lowest relative humidity are August and September (68%).
Average rainfall in December
Gialova, Greece
- Average rainfall in December: 92mm
The wettest month (with the highest rainfall) is January (106mm).
The driest month (with the least rainfall) is July (4mm).
Average rainfall days in December
Gialova, Greece
- Average rainfall days in December: 17.7 days
The month with the highest number of rainy days is January (18.7 days).
The month with the least rainy days is July (2.3 days).
Average sea temperature in December
Gialova, Greece
- Average sea temperature in December: 17°C
The best month for swimming (with the highest average sea temperature) is August (26°C).
The coldest months (with the lowest average sea temperature) are February and March (15°C).
Average daylight in December /
Average sunshine in December
Gialova, Greece
- Average daylight in December: 9h and 42min
The month with the longest days is June (Average daylight: 14h and 42min).
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 July (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 6h and 6min).
Average sunshine days in December
Gialova, Greece
- Average sunshine days in December: 11.2 days
The month with the most sunshine days is July (27.7 days).
The months with the least sunshine days are January and February (10.3 days).
Average UV index in December
Gialova, 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
Gialova, Greece
- Average cloud cover in December: 33
The month with the most cloud cover is January (Cloud cover 35).
The months with the least cloud cover are July and August (Cloud cover 6).
Average visibility in December
Gialova, 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).





