Weather in December
Temperature
Ermoupoli's December weather features a light decline in high-temperatures, reducing from an enjoyable 18°C (64.4°F) in November to a still refreshing 15°C (59°F). December records a small disparity from daytime temperatures, marking an average low-temperature of 10°C (50°F) in Ermoupoli.Rainfall
The month with the most rainfall in Ermoupoli is December, when the rain falls for 11 days and typically aggregates up to 91mm (3.58") of precipitation.Sea temperature
In Ermoupoli, in December, the average water temperature is 16.7°C (62.1°F).Note: The enjoyment of swimming decreases for most when the surface water temperature is 16.7°C (62.1°F). Breathing control becomes increasingly challenging as temperatures descend below 21°C (69.8°F).
Daylight
The month with the shortest days in Ermoupoli is December, with an average of 9h and 36min of daylight.On the first day of the month, sunrise is at 07:16 and sunset at 17:02. On the last day of December, sunrise is at 07:34 and sunset at 17:12 EET.
Sunshine
The months with the least sunshine are January and December, with an average of 4h of sunshine.UV index
January and December, with an average maximum UV index of 2, are months with the lowest UV index in Ermoupoli. A UV Index value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for the average person.Note: During December, 2 as the daily maximum UV index converts into the following advice:
Protection from prolonged sun exposure is necessary for babies, children, and individuals with sensitive skin. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.
Frequently asked questions
What is the temperature in December in Ermoupoli?
What is the wettest month in Ermoupoli?
How much does it rain in Ermoupoli in December?
What is the sea water temperature in December in Ermoupoli?
What is the month with the shortest days in Ermoupoli?
How many hours of daylight does Ermoupoli have in December?
When are sunrise and sunset in December in Ermoupoli?
What is the month with the least sunshine in Ermoupoli?
How long on average sun shines in December in Ermoupoli?
What are the months with the lowest UV index in Ermoupoli?
What is the UV index reading in December in Ermoupoli?
Average temperature in December
Ermoupoli, Greece
- Average high temperature in December: 15°C
The warmest month (with the highest average high temperature) is July (28°C).
The months with the lowest average high temperature are January and February (13°C).
- Average low temperature in December: 10°C
The month with the highest average low temperature is July (22°C).
The coldest months (with the lowest average low temperature) are January and February (8°C).
Average rainfall in December
Ermoupoli, Greece
- Average rainfall in December: 91mm
The wettest month (with the highest rainfall) is December (91mm).
The driest months (with the least rainfall) are July and August (2mm).
Average rainfall days in December
Ermoupoli, Greece
- Average rainfall days in December: 11 days
The month with the highest number of rainy days is December (11 days).
The months with the least rainy days are June, July, August and September (1 days).
Average sea temperature in December
Ermoupoli, Greece
- Average sea temperature in December: 16.7°C
The best month for swimming (with the highest average sea temperature) is August (25.8°C).
The coldest month (with the lowest average sea temperature) is February (15.6°C).
Average daylight in December /
Average sunshine in December
Ermoupoli, Greece
- Average daylight in December: 9h and 4min
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 36min).
- Average sunshine in December: 4h
The month with the most sunshine is July (Average sunshine: 14h).
The months with the least sunshine are January and December (Average sunshine: 4h).
Average UV index in December
Ermoupoli, Greece
- Average UV index in December: 2
The month with the highest UV index is July (UV index 10).
The months with the lowest UV index are January and December (UV index 2).
Ermoupoli, Greece
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