December weather forecastPlanos, Greece

December

Weather in December

December, the first month of the winter in Planos, is still a mild month, with temperature in the range of an average high of 15.8°C (60.4°F) and an average low of 13.8°C (56.8°F).

Temperature

December's arrival signals a moderate reduction in the average high-temperature, easing from an enjoyable 19.2°C (66.6°F) in November to a mild 15.8°C (60.4°F). In December, a low-temperature average of 13.8°C (56.8°F) is characteristic of Planos, marking a minor shift from daytime temperatures.

Humidity

The months with the lowest humidity are September and December, with an average relative humidity of 67%.

Rainfall

In December, in Planos, Greece, the rain falls for 6.8 days. Throughout December, 15mm (0.59") of precipitation is accumulated. In Planos, during the entire year, the rain falls for 51.3 days and collects up to 100mm (3.94") of precipitation.

Sea temperature

In December, the average sea temperature is 17°C (62.6°F).
Note: Most people do not find pleasure in swimming when the water temperature is 17°C (62.6°F). Breathing becomes increasingly difficult to manage as the water temperature drops from 21°C (69.8°F) to 15°C (59°F).

Daylight

With an average of 9h and 36min of daylight, December has the shortest days of the year in Planos.
On the first day of December in Planos, sunrise is at 07:33 and sunset at 17:17. On the last day of the month, sunrise is at 07:51 and sunset at 17:27 EET.

Sunshine

In December, the average sunshine in Planos is 6h.

UV index

January, February and December, with an average maximum UV index of 4, are months with the lowest UV index. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for ordinary individuals.
Note: In December, the average maximum UV index of 4 translates into the following recommendations:
Adopt protective measures - Requirement to safeguard skin and eyes from harm exists. To protect against the Sun's most potent rays, avoid direct exposure around midday. Enhance your sun protection with tightly woven, yet airy clothing.

Updated: Jan 24, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

An average high-temperature, in December, in Planos, is 15.8°C (60.4°F) and the average low-temperature is 13.8°C (56.8°F). In August, the average heat index (a.k.a. 'real feel', 'apparent temperature'), which calculates the temperature value influenced by the moisture in the air, is estimated at 31°C (87.8°F).

The months with the lowest humidity in Planos, Greece, are September and December, with an average relative humidity of 67%.

The average relative humidity in December is 67%.

In Planos, Greece, during December, the rain falls for 6.8 days and regularly aggregates up to 15mm (0.59") of precipitation.

In Planos, Greece, in December, the average water temperature is 17°C (62.6°F). For most, swimming in 17°C (62.6°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 Planos, Greece.

In December, the average day length in Planos, Greece, is 9h and 36min.

On the first day of December in Planos, sunrise is at 07:33 and sunset at 17:17. On the last day of the month, sunrise is at 07:51 and sunset at 17:27 EET.

In Planos, Greece, the average sunshine duration in December is 6h.

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

The average daily maximum UV index in December in Planos is 4. A UV Index of 3 to 5 symbolizes a moderate health threat from unsafe exposure to Sun's UV rays.

Today

Tomorrow

Long-term

Year J F M A M J J A S O N December

Nov

December

Jan

Average high temperature

19.2°C

15.8°C

14.2°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

19.6km/h

20.4km/h

22.3km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

6.9

6.8

6.1

Average sea temperature

Average daylight

Average sunshine

Average sunshine days

19.5

21.1

19.9

Average UV index

Average cloud cover

Average visibility

Average temperature in December
Planos, Greece

Average high temperature in December: 15.8°C

The warmest month (with the highest average high temperature) is August (28.2°C).
The month with the lowest average high temperature is January (14.2°C).

Average low temperature in December: 13.8°C

The month with the highest average low temperature is August (26.3°C).
The coldest month (with the lowest average low temperature) is January (12.2°C).

Average pressure in December
Planos, 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 (1011.9mbar).

Average wind speed in December
Planos, Greece

Average wind speed in December: 19.1km/h

The windiest month (with the highest average wind speed) is January (21km/h).
The calmest month (with the lowest average wind speed) is June (14km/h).

Average humidity in December
Planos, Greece

Average humidity in December: 67%

The month with the highest relative humidity is April (73%).
The months with the lowest relative humidity are September and December (67%).

Average rainfall in December
Planos, Greece

Average rainfall in December: 15mm

The wettest month (with the highest rainfall) is November (26mm).
The driest month (with the least rainfall) is August (0mm).

Average rainfall days in December
Planos, Greece

Average rainfall days in December: 6.8 days

The months with the highest number of rainy days are October and November (6.9 days).
The month with the least rainy days is August (0.3 days).

Average sea temperature in December
Planos, Greece

Average sea temperature in December: 17°C

The best month for swimming (with the highest average sea temperature) is August (26°C).
The coldest months (with the lowest average sea temperature) are February and March (15°C).

Average daylight in December /
Average sunshine in December
Planos, 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 0min

The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 5h and 42min).

Average sunshine days in December
Planos, Greece

Average sunshine days in December: 21.1 days

The month with the most sunshine days is August (30.2 days).
The month with the least sunshine days is November (19.5 days).

Average UV index in December
Planos, 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).

Average cloud cover in December
Planos, Greece

Average cloud cover in December: 36

The month with the most cloud cover is January (Cloud cover 41).
The months with the least cloud cover are July and August (Cloud cover 5).

Average visibility in December
Planos, 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).