December weather forecastMegara, Greece

December

Weather in December

The first month of the winter, December, is still a mild month in Megara, Greece, with temperature in the range of an average high of 13.9°C (57°F) and an average low of 9.2°C (48.6°F).

Temperature

Start of December brings a slight shift in the average high-temperature, dipping a bit from November's comfortable 18°C (64.4°F) to a still refreshing 13.9°C (57°F). Megara's nighttime temperatures in December see a subtle dip to an average of 9.2°C (48.6°F).

Humidity

In Megara, the average relative humidity in December is 72%.

Rainfall

December is the month with the most rainfall. Rain falls for 9.2 days and accumulates 39mm (1.54") of precipitation.

Snowfall

Months with snowfall are January through March and December. The months with the most snowfall in Megara are January, February and December, with an average 4mm (0.16") of accumulated snow.

Daylight

December has the shortest days of the year in Megara, with an average of 9h and 36min of daylight.
On the first day of the month, sunrise is at 07:24 and sunset at 17:07. On the last day of December, sunrise is at 07:42 and sunset at 17:17 EET.

Sunshine

The average sunshine in December in Megara is 5.9h.

UV index

With an average maximum UV index of 2, December is the month with the lowest UV index. A UV Index reading of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for average individuals.
Note: In December, a daily maximum UV index of 2 leads to the following instructions:
Babies, children, and those with sensitive skin should always avoid extended periods in the sun. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.

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 Megara, is 13.9°C (57°F) and the average low-temperature is 9.2°C (48.6°F). In September, the average heat index (a.k.a. 'feels like', 'apparent temperature'), which calculates the temperature value influenced by the moisture in the air, is evaluated at 28°C (82.4°F).

In Megara, Greece, the average relative humidity in December is 72%.

December is the month with the most rainfall in Megara, Greece. Rain falls for 9.2 days and accumulates 39mm (1.54") of precipitation.

In Megara, Greece, in December, it is raining for 9.2 days, with typically 39mm (1.54") of accumulated precipitation.

The months with the most snowfall in Megara are January, February and December, with an average 4mm (0.16") of accumulated snow.

December is the first month it typically snows. Throughout December, in the average 0.1 snowfall days, it receives 4mm (0.16") of snow.

The month with the shortest days is December, with an average of 9h and 36min of daylight.

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

In December, on the first day of the month, sunrise is at 07:24 and sunset at 17:07. On the last day of the month, in Megara, sunrise is at 07:42 and sunset at 17:17 EET.

In Megara, Greece, the average sunshine duration in December is 5.9h.

With an average maximum UV index of 2, December is the month with the lowest UV index in Megara.

The average daily maximum UV index in December in Megara is 2. A UV Index value of 2, and less, symbolizes a minimal hazard to health from unprotected exposure to UV radiation.

Today

Tomorrow

Long-term

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

Nov

December

Jan

Average high temperature

18°C

13.9°C

11.9°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

14.1km/h

15.1km/h

16km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average snowfall

Average snowfall days

Average daylight

Average sunshine

Average sunshine days

19.5

19.7

18.4

Average UV index

Average cloud cover

Average visibility

Average temperature in December
Megara, Greece

Average high temperature in December: 13.9°C

The warmest month (with the highest average high temperature) is July (31.1°C).
The month with the lowest average high temperature is January (11.9°C).

Average low temperature in December: 9.2°C

The month with the highest average low temperature is August (24.1°C).
The coldest month (with the lowest average low temperature) is January (7.2°C).

Average pressure in December
Megara, 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 (1011.1mbar).

Average wind speed in December
Megara, Greece

Average wind speed in December: 13.9km/h

The windiest month (with the highest average wind speed) is August (15.7km/h).
The calmest month (with the lowest average wind speed) is May (11.4km/h).

Average humidity in December
Megara, Greece

Average humidity in December: 72%

The month with the highest relative humidity is January (73%).
The months with the lowest relative humidity are July and August (50%).

Average rainfall in December
Megara, Greece

Average rainfall in December: 39mm

The wettest month (with the highest rainfall) is December (39mm).
The driest month (with the least rainfall) is August (4mm).

Average rainfall days in December
Megara, Greece

Average rainfall days in December: 9.2 days

The month with the highest number of rainy days is March (9.9 days).
The month with the least rainy days is August (2 days).

Average snowfall in December
Megara, Greece

Average snowfall in December: 4mm

The months with the highest snowfall are January, February and December (4mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).

Average snowfall days in December
Megara, Greece

Average snowfall days in December: 0.1 days

The month with the highest number of snowfall days is January (0.9 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).

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

Average daylight in December: 9h and 36min

The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).

Average sunshine in December: 5h and 54min

The month with the most sunshine is August (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 5h and 42min).

Average sunshine days in December
Megara, Greece

Average sunshine days in December: 19.7 days

The month with the most sunshine days is August (27.5 days).
The month with the least sunshine days is February (16.3 days).

Average UV index in December
Megara, Greece

Average UV index in December: 2

The months with the highest UV index are June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 2).

Average cloud cover in December
Megara, Greece

Average cloud cover in December: 35

The month with the most cloud cover is January (Cloud cover 39).
The month with the least cloud cover is August (Cloud cover 7).

Average visibility in December
Megara, 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).