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 snowfall in December
- Average snowfall 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
In December, the average high-temperature slightly decreases from a comfortable 18.1°C (64.6°F) in November to a mild 13.8°C (56.8°F). In December, in Athens, Greece, the average low-temperature is 9.3°C (48.7°F).Humidity
The average relative humidity in December is 72%.Rainfall
The month with the most rainfall in Athens is December, when the rain falls for 11 days and typically aggregates up to 53mm (2.09") of precipitation.Snowfall
In Athens, snow does not fall in April through December.Sea temperature
In December, the average sea temperature is 16.6°C (61.9°F).Note: Swimming in 16.6°C (61.9°F) is not enjoyable for the majority. Controlling breathing becomes progressively more difficult as surface water temperature decreases below 21°C (69.8°F).
Daylight
The month with the shortest days in Athens is December, with an average of 9h and 35min of daylight.On the first day of December in Athens, sunrise is at 07:21 and sunset at 17:06. On the last day of the month, sunrise is at 07:40 and sunset at 17:15 EET.
Sunshine
In Athens, Greece, the average sunshine in December is 5.8h.UV index
December is the month with the lowest UV index, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: In December, the average maximum UV index of 2 translate into the following recommendations:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. 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. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
FAQ
What is the temperature in December in Athens?
What is the average humidity in December in Athens?
What is the rainiest month in Athens?
How many days does it rain in December in Athens?
When it does not snow in Athens?
Does it snow in Athens in December?
How cold is the water in December in Athens?
What is the month with the shortest days in Athens?
What is the average length of the day in December in Athens?
What time are sunrise and sunset in December in Athens?
How long on average sun shines in December in Athens?
What is the month with the lowest UV index in Athens?
How high is the UV index in December in Athens?
Average temperature in December
Athens, Greece
- Average high temperature in December: 13.8°C
The warmest month (with the highest average high temperature) is August (31°C).
The month with the lowest average high temperature is January (12.1°C).
- Average low temperature in December: 9.3°C
The month with the highest average low temperature is August (23.8°C).
The coldest month (with the lowest average low temperature) is January (7.3°C).
Average pressure in December
Athens, 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 (1011.1mbar).
Average wind speed in December
Athens, Greece
- Average wind speed in December: 14.5km/h
The windiest month (with the highest average wind speed) is August (16.3km/h).
The calmest month (with the lowest average wind speed) is May (11.6km/h).
Average humidity in December
Athens, Greece
- Average humidity in December: 72%
The month with the highest relative humidity is January (74%).
The month with the lowest relative humidity is August (50%).
Average rainfall in December
Athens, Greece
- Average rainfall in December: 53mm
The wettest month (with the highest rainfall) is December (53mm).
The driest month (with the least rainfall) is August (4mm).
Average rainfall days in December
Athens, Greece
- Average rainfall days in December: 11 days
The month with the highest number of rainy days is January (11.3 days).
The month with the least rainy days is August (1.8 days).
Average snowfall in December
Athens, Greece
- Average snowfall in December: 0mm
The month with the highest snowfall is January (9mm).
The months with the least snowfall are April, May, June, July, August, September, October, November and December (0mm).
Average snowfall days in December
Athens, Greece
- Average snowfall days in December: 0.2 days
The month with the highest number of snowfall days is January (0.9 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average sea temperature in December
Athens, Greece
- Average sea temperature in December: 16.6°C
The best month for swimming (with the highest average sea temperature) is August (26.3°C).
The coldest month (with the lowest average sea temperature) is February (15°C).
Average daylight in December /
Average sunshine in December
Athens, Greece
- Average daylight in December: 9h and 4min
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 5min
The months with the most sunshine are July and August (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 5h and 36min).
Average sunshine days in December
Athens, Greece
- Average sunshine days in December: 17.5 days
The month with the most sunshine days is August (28.5 days).
The month with the least sunshine days is February (14.1 days).
Average UV index in December
Athens, Greece
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in December
Athens, Greece
- Average cloud cover in December: 36
The month with the most cloud cover is January (Cloud cover 40).
The month with the least cloud cover is August (Cloud cover 6).
Average visibility in December
Athens, 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).
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