December weather forecastOlga, Greece

December

Weather in December

The first month of the winter, December, is still a mild month in Olga, Greece, with an average temperature varying between 10.9°C (51.6°F) and 15.1°C (59.2°F).

Temperature

With the arrival of December, Olga experiences a modest decline in average high-temperatures, transitioning from an enjoyable 19.4°C (66.9°F) in November to a still refreshing 15.1°C (59.2°F). Nights in December showcase an average temperature of 10.9°C (51.6°F), slightly cooler than the daytime.

Humidity

In December, the average relative humidity in Olga is 71%.

Rainfall

In December, in Olga, the rain falls for 15.9 days. Throughout December, 88mm (3.46") of precipitation is accumulated. Throughout the year, in Olga, there are 131 rainfall days, and 627mm (24.69") of precipitation is accumulated.

Daylight

The month with the shortest days in Olga, Greece, is December, with an average of 9h and 36min of daylight.
On the first day of the month, sunrise is at 07:31 and sunset at 17:15. On the last day of December, sunrise is at 07:50 and sunset at 17:25 EET.

Sunshine

In December, the average sunshine in Olga is 6.3h.

UV index

With an average maximum UV index of 3, December is the month with the lowest UV index. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for the average person.
Note: In December, the maximum UV index of 3 translates into these guidelines:
Be vigilant - Suggestions to stave off sun damage are provided. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.

Frequently asked questions

In Olga, 15.1°C (59.2°F) is the average high-temperature and 10.9°C (51.6°F) is the average low-temperature during December. The average heat index (a.k.a. 'feels like', 'apparent temperature'), which combines air temperature and relative humidity, in September is estimated at 29°C (84.2°F).

In December, the average relative humidity in Olga, Greece, is 71%.

In December, the rain falls for 15.9 days. Throughout December, 88mm (3.46") of precipitation is accumulated.

December has the shortest days of the year in Olga, with an average of 9h and 36min of daylight.

In Olga, the average day length in December is 9h and 35min.

In December, on the first day of the month, sunrise is at 07:31 and sunset at 17:15. On the last day of the month, in Olga, sunrise is at 07:50 and sunset at 17:25 EET.

In Olga, the average sunshine duration in December is 6.3h.

December is the month with the lowest UV index, with an average maximum UV index of 3.

The average daily maximum UV index in December in Olga, Greece, is 3. A UV Index of 3 to 5 symbolizes a medium health risk from unsafe exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Olga, Greece

  • Average high temperature in December: 15.1°C

The warmest month (with the highest average high temperature) is August (30.9°C).
The month with the lowest average high temperature is January (13.2°C).

  • Average low temperature in December: 10.9°C

The month with the highest average low temperature is August (23.9°C).
The coldest month (with the lowest average low temperature) is January (9.2°C).

Average pressure in December
Olga, Greece

  • Average pressure in December: 1018.3mbar

The month with the highest atmospheric pressure is December (1018.3mbar).
The month with the lowest atmospheric pressure is July (1011.9mbar).

Average wind speed in December
Olga, Greece

  • Average wind speed in December: 13.7km/h

The windiest month (with the highest average wind speed) is January (15.2km/h).
The calmest months (with the lowest average wind speed) are May and June (10.7km/h).

Average humidity in December
Olga, Greece

  • Average humidity in December: 71%

The months with the highest relative humidity are January and February (72%).
The month with the lowest relative humidity is August (60%).

Average rainfall in December
Olga, Greece

  • Average rainfall in December: 88mm

The wettest month (with the highest rainfall) is January (117mm).
The driest month (with the least rainfall) is August (3mm).

Average rainfall days in December
Olga, Greece

  • Average rainfall days in December: 15.9 days

The month with the highest number of rainy days is January (17.1 days).
The month with the least rainy days is August (2.3 days).

Average daylight in December /
Average sunshine in December
Olga, 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: 6h and 18min

The months with the most sunshine are June and July (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 5h and 54min).

Average sunshine days in December
Olga, Greece

  • Average sunshine days in December: 13.5 days

The months with the most sunshine days are July and August (27.2 days).
The month with the least sunshine days is February (11.4 days).

Average UV index in December
Olga, Greece

  • Average UV index in December: 3

The months with the highest UV index are July and August (UV index 7).
The month with the lowest UV index is December (UV index 3).

Average cloud cover in December
Olga, Greece

  • Average cloud cover in December: 33

The month with the most cloud cover is January (Cloud cover 38).
The month with the least cloud cover is August (Cloud cover 6).

Average visibility in December
Olga, 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).