Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall days in December
- Average sea temperature in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
December
Weather in December
Temperature
December's arrival subtly correlates with a reduction in the average high-temperature, down from a comfortable 17.4°C (63.3°F) in November to a mild 13.7°C (56.7°F). Psara's nighttime temperatures in December reveal a minimal variation from the daytime highs, averaging at a fresh 11.3°C (52.3°F).Humidity
The average relative humidity in December is 73%.Rainfall
In Psara, in December, it is raining for 12.2 days, with typically 61mm (2.4") of accumulated precipitation. In Psara, during the entire year, the rain falls for 99.8 days and collects up to 453mm (17.83") of precipitation.Snowfall
January, February and December are months with snowfall. The months with the most snowfall days are January, February and December, with an average of 0.1 snowfall days.Sea temperature
In Psara, the average seawater temperature in December is 16.7°C (62.1°F).Note: The majority of individuals find it unpleasurable to swim in 16.7°C (62.1°F). It becomes progressively harder to manage one's breathing as the water temperature falls below 21°C (69.8°F).
Daylight
December has the shortest days of the year, with an average of 9h and 30min of daylight.On the first day of December, sunrise is at 07:16 and sunset at 16:57. On the last day of the month, sunrise is at 07:35 and sunset at 17:06 EET.
Sunshine
In December, the average sunshine is 5.9h.UV index
The months with the lowest UV index are January, February and December, with an average maximum UV index of 3. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for the average person.Note: A maximum high daily UV index of 3 during December translates into the following directions:
Exercise caution. Those with pale skin may experience burns in less than half an hour. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Employ a hat with a wide brim for robust protection, cutting UV exposure by half. Be cautious! The UV radiation from the Sun can be magnified almost twofold by snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are December temperatures?
What is the average humidity in December in Psara?
How many days does it rain in December?
When does it snow the most in Psara?
When does it start snowing?
What is the sea water temperature in December in Psara?
What is the month with the shortest days in Psara?
What is the average length of the day in December in Psara?
When are sunrise and sunset in December?
How long on average sun shines in December?
When is the lowest UV index?
What is the UV index intensity in December?
Average temperature in December
Psara, Greece
- Average high temperature in December: 13.7°C
The warmest month (with the highest average high temperature) is August (27.8°C).
The month with the lowest average high temperature is January (12.1°C).
- Average low temperature in December: 11.3°C
The month with the highest average low temperature is August (23.7°C).
The coldest month (with the lowest average low temperature) is January (9.5°C).
Average pressure in December
Psara, Greece
- Average pressure in December: 1018mbar
The month with the highest atmospheric pressure is December (1018mbar).
The month with the lowest atmospheric pressure is July (1008.9mbar).
Average wind speed in December
Psara, Greece
- Average wind speed in December: 25.4km/h
The windiest month (with the highest average wind speed) is January (26.2km/h).
The calmest month (with the lowest average wind speed) is May (16.8km/h).
Average humidity in December
Psara, Greece
- Average humidity in December: 73%
The months with the highest relative humidity are January and February (74%).
The months with the lowest relative humidity are July and August (66%).
Average rainfall in December
Psara, Greece
- Average rainfall in December: 61mm
The wettest month (with the highest rainfall) is January (81mm).
The driest month (with the least rainfall) is August (6mm).
Average rainfall days in December
Psara, Greece
- Average rainfall days in December: 12.2 days
The month with the highest number of rainy days is January (13.3 days).
The month with the least rainy days is August (1.6 days).
Average snowfall days in December
Psara, Greece
- Average snowfall days in December: 0.1 days
The months with the highest number of snowfall days are January, February and December (0.1 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October and November (0 days).
Average sea temperature in December
Psara, Greece
- Average sea temperature in December: 16.7°C
The best month for swimming (with the highest average sea temperature) is August (24.5°C).
The coldest month (with the lowest average sea temperature) is March (15.7°C).
Average daylight in December /
Average sunshine in December
Psara, Greece
- Average daylight in December: 9h and 3min
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: 5h and 5min
The months with the most sunshine are July and August (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 5h and 30min).
Average sunshine days in December
Psara, Greece
- Average sunshine days in December: 17 days
The month with the most sunshine days is August (28.7 days).
The month with the least sunshine days is January (16.3 days).
Average UV index in December
Psara, Greece
- Average UV index in December: 3
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February and December (UV index 3).
Average cloud cover in December
Psara, Greece
- Average cloud cover in December: 37
The month with the most cloud cover is January (Cloud cover 42).
The month with the least cloud cover is August (Cloud cover 3).
Average visibility in December
Psara, 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).
