December weather forecastErmoupoli, Greece

December

Weather in December

The first month of the winter, December, is still a refreshing month in Ermoupoli, Greece, with an average temperature ranging between min 10°C (50°F) and max 15°C (59°F).

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

In Ermoupoli, 15°C (59°F) is the average high-temperature and 10°C (50°F) is the average low-temperature during December.

December is the month with the most rainfall. Rain falls for 11 days and accumulates 91mm (3.58") of precipitation.

In December, in Ermoupoli, the rain falls for 11 days. Throughout December, 91mm (3.58") of precipitation is accumulated.

In Ermoupoli, Greece, in December, the average water temperature is 16.7°C (62.1°F). For most, swimming in 16.7°C (62.1°F) is not an enjoyable activity. Furthermore, controlling your breathing becomes progressively more difficult as the water temperature decreases from 21°C (69.8°F) to 15°C (59°F).

With an average of 9h and 36min of daylight, December has the shortest days of the year in Ermoupoli, Greece.

The average day length in December in Ermoupoli is 9h and 38min.

In December, on the first day of the month, sunrise is at 07:16 and sunset at 17:02. On the last day of the month, in Ermoupoli, sunrise is at 07:34 and sunset at 17:12 EET.

The months with the least sunshine in Ermoupoli, Greece, are January and December, with an average of 4h of sunshine.

In Ermoupoli, Greece, the average sunshine duration in December is 4h.

The months with the lowest UV index in Ermoupoli are January and December, with an average maximum UV index of 2.

In December, the average daily maximum UV index in Ermoupoli, Greece, is 2. A UV Index value of 2, and less, symbolizes a minimal hazard to health from exposure to the Sun's UV radiation.
Average high temperature
Average low temperature
Average rainfall
Average rainfall days
Average sea temperature
Average sunshine
Average UV index

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 36min

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).