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
With the onset of December, Hersonissos experiences a modest temperature adjustment, with the average high-temperature gently receding from an enjoyable 19.3°C (66.7°F) in November to a still comfortable 16.1°C (61°F). Hersonissos reports an average low-temperature of 12.7°C (54.9°F) during the subtly cooler December nights.Humidity
The months with the highest humidity in Hersonissos are January, February and December, with an average relative humidity of 72%.Rainfall
The month with the most rainfall is December, when the rain falls for 15.8 days and typically aggregates up to 65mm (2.56") of precipitation.Sea temperature
In Hersonissos, in December, the average water temperature is 18°C (64.4°F).Note: In water with a temperature of 18°C (64.4°F), most people do not enjoy swimming. As the temperature descends from 21°C (69.8°F) to 15°C (59°F), breathing becomes increasingly difficult to control.
Daylight
December has the shortest days of the year in Hersonissos, with an average of 9h and 48min of daylight.On the first day of the month, sunrise is at 07:09 and sunset at 17:06. On the last day of December, in Hersonissos, Greece, sunrise is at 07:27 and sunset at 17:16 EET.
Sunshine
The average sunshine in December in Hersonissos is 6.3h.UV index
January through March and December, with an average maximum UV index of 4, are months with the lowest UV index in Hersonissos. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for ordinary individuals.Note: The UV index of 4 during December leads to these advisories:
Exercise caution. Those with pale skin may experience burns in less than half an hour. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. Boost your sun resistance with garments that are densely woven yet spacious.
Frequently asked questions
What are December temperatures in Hersonissos?
What is the most humid month in Hersonissos?
What is the average humidity in December in Hersonissos?
What is the rainiest month in Hersonissos?
How much does it rain in Hersonissos in December?
What is the sea water temperature in December in Hersonissos?
What is the month with the shortest days in Hersonissos?
How many hours of daylight does Hersonissos have in December?
When is the sunrise / sunset in December in Hersonissos?
How long on average sun shines in December in Hersonissos?
What is the month with the lowest UV index in Hersonissos?
What is the UV index reading in December in Hersonissos?
Average temperature in December
Hersonissos, Greece
- Average high temperature in December: 16.1°C
The warmest month (with the highest average high temperature) is August (27.4°C).
The month with the lowest average high temperature is January (14.1°C).
- Average low temperature in December: 12.7°C
The month with the highest average low temperature is August (23.4°C).
The coldest month (with the lowest average low temperature) is January (11.1°C).
Average pressure in December
Hersonissos, Greece
- Average pressure in December: 1017.9mbar
The month with the highest atmospheric pressure is December (1017.9mbar).
The month with the lowest atmospheric pressure is July (1009.4mbar).
Average wind speed in December
Hersonissos, Greece
- Average wind speed in December: 17.6km/h
The windiest month (with the highest average wind speed) is January (19.4km/h).
The calmest month (with the lowest average wind speed) is May (13km/h).
Average humidity in December
Hersonissos, Greece
- Average humidity in December: 72%
The months with the highest relative humidity are January, February and December (72%).
The month with the lowest relative humidity is July (67%).
Average rainfall in December
Hersonissos, Greece
- Average rainfall in December: 65mm
The wettest month (with the highest rainfall) is December (65mm).
The driest month (with the least rainfall) is August (1mm).
Average rainfall days in December
Hersonissos, Greece
- Average rainfall days in December: 15.8 days
The month with the highest number of rainy days is December (15.8 days).
The month with the least rainy days is August (0.6 days).
Average sea temperature in December
Hersonissos, Greece
- Average sea temperature in December: 18°C
The best month for swimming (with the highest average sea temperature) is August (25°C).
The coldest months (with the lowest average sea temperature) are February and March (15°C).
Average daylight in December /
Average sunshine in December
Hersonissos, Greece
- Average daylight in December: 9h and 5min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in December: 6h and 2min
The month with the most sunshine is August (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 6h and 12min).
Average sunshine days in December
Hersonissos, Greece
- Average sunshine days in December: 12.6 days
The month with the most sunshine days is August (29.3 days).
The month with the least sunshine days is January (12.4 days).
Average UV index in December
Hersonissos, 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, March and December (UV index 4).
Average cloud cover in December
Hersonissos, Greece
- Average cloud cover in December: 32
The month with the most cloud cover is January (Cloud cover 33).
The month with the least cloud cover is August (Cloud cover 2).
Average visibility in December
Hersonissos, 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).
Hersonissos, Greece
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