December weather forecastNydri, Greece

December

Weather in December

December, the first month of the winter in Nydri, is also a moderate month, with temperature in the range of an average low of 11.5°C (52.7°F) and an average high of 14.5°C (58.1°F).

Temperature

Nydri observes a small decrease in the average high-temperature with the arrival of December, falling from November's refreshing 18.3°C (64.9°F) to a moderate 14.5°C (58.1°F). Nydri documents an average low-temperature of 11.5°C (52.7°F) for the nights of December.

Humidity

The average relative humidity in December is 68%.

Rainfall

In Nydri, in December, it is raining for 7.8 days, with typically 18mm (0.71") of accumulated precipitation. In Nydri, during the entire year, the rain falls for 65.9 days and collects up to 145mm (5.71") of precipitation.

Sea temperature

In Nydri, in December, the average water temperature is 17°C (62.6°F).
Note: Swimming in water that is 17°C (62.6°F) is not enjoyable for most. Breathing becomes more challenging to manage as the water temperature dips from 21°C (69.8°F) to 15°C (59°F).

Daylight

December has the shortest days of the year, with an average of 9h and 30min of daylight.
On the first day of the month, sunrise is at 07:36 and sunset at 17:16. On the last day of December, sunrise is at 07:55 and sunset at 17:25 EET.

Sunshine

In December, the average sunshine in Nydri is 6.2h.

UV index

December is the month with the lowest UV index, with an average maximum UV index of 3. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for the average person.
Note: A typical high UV index of 3 in December suggests the following recommendations:
Undertake protective steps - Recommendations to avoid sunburn are issued. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Employ a wide-brim hat for potent defense against up to 50% of UV rays.

Frequently asked questions

December temperatures in Nydri vary between a high-temperature of 14.5°C (58.1°F) and a low-temperature of 11.5°C (52.7°F). In August, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which calculates the temperature value influenced by the moisture in the air, is appraised at 32°C (89.6°F).

In December, the average relative humidity is 68%.

In Nydri, in December, during 7.8 rainfall days, 18mm (0.71") of precipitation is typically accumulated.

In Nydri, 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).

December has the shortest days of the year, with an average of 9h and 30min of daylight.

The average day length in December is 9h and 31min.

On the first day of December in Nydri, sunrise is at 07:36 and sunset at 17:16. On the last day of the month, sunrise is at 07:55 and sunset at 17:25 EET.

In Nydri, the average sunshine duration in December is 6.2h.

With an average maximum UV index of 3, December is the month with the lowest UV index in Nydri, Greece.

The average daily maximum UV index in December in Nydri is 3. A UV Index estimate of 3 to 5 represents a medium hazard to health from 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 sea temperature
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Nydri, Greece

  • Average high temperature in December: 14.5°C

The warmest month (with the highest average high temperature) is August (29.5°C).
The month with the lowest average high temperature is January (12.7°C).

  • Average low temperature in December: 11.5°C

The month with the highest average low temperature is August (25°C).
The coldest month (with the lowest average low temperature) is January (9.7°C).

Average pressure in December
Nydri, Greece

  • Average pressure in December: 1018.4mbar

The month with the highest atmospheric pressure is December (1018.4mbar).
The month with the lowest atmospheric pressure is July (1012.1mbar).

Average wind speed in December
Nydri, Greece

  • Average wind speed in December: 13.7km/h

The windiest month (with the highest average wind speed) is February (15.4km/h).
The calmest month (with the lowest average wind speed) is August (10km/h).

Average humidity in December
Nydri, Greece

  • Average humidity in December: 68%

The months with the highest relative humidity are March and April (71%).
The month with the lowest relative humidity is August (63%).

Average rainfall in December
Nydri, Greece

  • Average rainfall in December: 18mm

The wettest month (with the highest rainfall) is November (35mm).
The driest month (with the least rainfall) is August (1mm).

Average rainfall days in December
Nydri, Greece

  • Average rainfall days in December: 7.8 days

The month with the highest number of rainy days is January (8.7 days).
The month with the least rainy days is August (0.8 days).

Average sea temperature in December
Nydri, 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
Nydri, Greece

  • Average daylight in December: 9h and 30min

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 30min).

  • Average sunshine in December: 6h and 12min

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 48min).

Average sunshine days in December
Nydri, Greece

  • Average sunshine days in December: 21.2 days

The month with the most sunshine days is August (29.1 days).
The month with the least sunshine days is February (18.9 days).

Average UV index in December
Nydri, 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
Nydri, Greece

  • Average cloud cover in December: 33

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
Nydri, 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).