December weather forecast
Roustika, Greece

Weather in December

December, the first month of the winter in Roustika, is still a comfortable month, with temperature in the range of an average low of 13.6°C (56.5°F) and an average high of 16°C (60.8°F).

Temperature

In December, the average high-temperature slightly decreases from an enjoyable 19.5°C (67.1°F) in November to a still comfortable 16°C (60.8°F). The average low-temperature, in Roustika, is 13.6°C (56.5°F).

Humidity

In December, the average relative humidity is 70%.

Rainfall

December is the month with the most rainfall. Rain falls for 13.5 days and accumulates 38mm (1.5") of precipitation.

Daylight

The month with the shortest days in Roustika is December, with an average of 9h and 50min of daylight.
On the first day of December, sunrise is at 07:12 and sunset at 17:10. On the last day of the month, sunrise is at 07:30 and sunset at 17:19 EET.

Sunshine

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

UV index

January, February and December, with an average maximum UV index of 4, are months with the lowest UV index. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for the ordinary person.
Note: The average daily UV index of 4 in December transform into the following instructions:
Take precautions - Protection against sun damage is advised. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.
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FAQ

What is the temperature in December in Roustika?

In Roustika, Greece, in December, the average high-temperature is 16°C (60.8°F), and the average low-temperature is 13.6°C (56.5°F). in August, the average heat index (a.k.a. 'felt air temperature', 'real feel'), which takes the relative humidity and factors it into the air temperature reading, is calculated to be 29°C (84.2°F).

What is the average humidity in December in Roustika?

The average relative humidity in December is 70%.

What is the rainiest month in Roustika?

The month with the most rainfall in Roustika is December, when the rain falls for 13.5 days and typically aggregates up to 38mm (1.5") of precipitation.

How much does it rain in Roustika in December?

In Roustika, Greece, in December, it is raining for 13.5 days, with typically 38mm (1.5") of accumulated precipitation.

What is the month with the shortest days in Roustika?

December has the shortest days of the year in Roustika, Greece, with an average of 9h and 50min of daylight.

How many hours of daylight does Roustika have in December?

In December, the average day length in Roustika, Greece, is 9h and 50min.

What time are sunrise and sunset in December in Roustika?

In December, on the first day of the month, sunrise is at 07:12 and sunset at 17:10. On the last day of the month, in Roustika, Greece, sunrise is at 07:30 and sunset at 17:19 EET.

How long on average sun shines in December in Roustika?

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

What is the month with the lowest UV index in Roustika?

January, February and December, with an average maximum UV index of 4, are months with the lowest UV index in Roustika.

What is the UV index reading in December in Roustika?

In Roustika, the average daily maximum UV index in December is 4. A UV Index reading of 3 to 5 represents a medium health risk from exposure to Sun's UV rays.

Average temperature in December
Roustika, Greece

Average temperature in December - Roustika, Greece
  • Average high temperature in December: 16°C

The warmest month (with the highest average high temperature) is August (27.1°C).
The month with the lowest average high temperature is January (14.3°C).

  • Average low temperature in December: 13.6°C

The month with the highest average low temperature is August (24.4°C).
The coldest month (with the lowest average low temperature) is January (11.8°C).

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Average pressure in December
Roustika, Greece

Average pressure in December - Roustika, Greece
  • Average pressure in December: 1018.1mbar

The month with the highest atmospheric pressure is December (1018.1mbar).
The month with the lowest atmospheric pressure is July (1010.2mbar).

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Average wind speed in December
Roustika, Greece

Average wind speed in December - Roustika, Greece
  • Average wind speed in December: 17.1km/h

The windiest month (with the highest average wind speed) is January (19.1km/h).
The calmest month (with the lowest average wind speed) is May (12.4km/h).

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Average humidity in December
Roustika, Greece

Average humidity in December - Roustika, Greece
  • Average humidity in December: 70%

The months with the highest relative humidity are January and February (71%).
The months with the lowest relative humidity are May, July and September (67%).

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Average rainfall in December
Roustika, Greece

Average rainfall in December - Roustika, Greece
  • Average rainfall in December: 38mm

The wettest month (with the highest rainfall) is December (38mm).
The driest months (with the least rainfall) are July and August (1mm).

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Average rainfall days in December
Roustika, Greece

Average rainfall days in December - Roustika, Greece
  • Average rainfall days in December: 13.5 days

The month with the highest number of rainy days is December (13.5 days).
The month with the least rainy days is August (0.4 days).

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Average daylight in December /
Average sunshine in December
Roustika, Greece

Average daylight in December / Average sunshine in December - Roustika, Greece
  • Average daylight in December: 9h and 50min

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 50min).

  • Average sunshine in December: 6h and 18min

The months with the most sunshine are June, July and August (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 6h and 12min).

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Average sunshine days in December
Roustika, Greece

Average sunshine days in December - Roustika, Greece
  • Average sunshine days in December: 14.2 days

The month with the most sunshine days is July (29.9 days).
The month with the least sunshine days is December (14.2 days).

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Average UV index in December
Roustika, Greece

Average UV index in December - Roustika, 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 and December (UV index 4).

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Average cloud cover in December
Roustika, Greece

Average cloud cover in December - Roustika, Greece
  • Average cloud cover in December: 32

The month with the most cloud cover is January (Cloud cover 33).
The months with the least cloud cover are July and August (Cloud cover 3).

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Average visibility in December
Roustika, Greece

Average visibility in December - Roustika, 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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