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 in December
- Average snowfall days 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
Weather in December
Temperature
December's arrival signals a moderate reduction in the average high-temperature, easing from a mild 15.9°C (60.6°F) in November to a fresh 11.3°C (52.3°F). A steady low-temperature average of 6.7°C (44.1°F) is logged in Portaria during December, reflecting a modest dip from daytime readings.Humidity
In December, the average relative humidity is 75%.Rainfall
In Portaria, in December, during 13.2 rainfall days, 69mm (2.72") of precipitation is typically accumulated. In Portaria, during the entire year, the rain falls for 144.7 days and collects up to 674mm (26.54") of precipitation.Snowfall
Months with snowfall are January through March and December. December is the first month it typically snows. Throughout December, in the average 0.7 snowfall days, it receives 18mm (0.71") of snow. Throughout the year, there are 4.1 snowfall days, and 103mm (4.06") of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 9h and 24min of daylight.On the first day of December, sunrise is at 07:29 and sunset at 17:05. On the last day of the month, sunrise is at 07:47 and sunset at 17:14 EET.
Sunshine
The average sunshine in December in Portaria is 5.5h.UV index
December is the month with the lowest UV index in Portaria, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for the ordinary person.Note: In December, an average UV index of 2 transforms into the following instructions:
While many people can endure lengthy sun exposure, it remains imperative to safeguard babies, children, and fair-skinned individuals. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Portaria in December?
What is the average humidity in December in Portaria?
How much does it rain in Portaria in December?
When does it start to snow in Portaria?
What is the month with the shortest days in Portaria?
What is the average length of the day in December in Portaria?
What time are sunrise and sunset in December in Portaria?
How long on average sun shines in December in Portaria?
What is the month with the lowest UV index in Portaria?
What is the UV index intensity in December in Portaria?
Average temperature in December
Portaria, Greece
- Average high temperature in December: 11.3°C
The warmest month (with the highest average high temperature) is July (29.1°C).
The month with the lowest average high temperature is January (9.5°C).
- Average low temperature in December: 6.7°C
The month with the highest average low temperature is August (21.9°C).
The coldest month (with the lowest average low temperature) is January (4.9°C).
Average pressure in December
Portaria, Greece
- Average pressure in December: 1018.9mbar
The month with the highest atmospheric pressure is December (1018.9mbar).
The month with the lowest atmospheric pressure is July (1012.2mbar).
Average wind speed in December
Portaria, Greece
- Average wind speed in December: 11.2km/h
The windiest month (with the highest average wind speed) is February (12.3km/h).
The calmest months (with the lowest average wind speed) are June and July (8.7km/h).
Average humidity in December
Portaria, Greece
- Average humidity in December: 75%
The month with the highest relative humidity is January (78%).
The month with the lowest relative humidity is August (56%).
Average rainfall in December
Portaria, Greece
- Average rainfall in December: 69mm
The wettest month (with the highest rainfall) is March (92mm).
The driest month (with the least rainfall) is August (23mm).
Average rainfall days in December
Portaria, Greece
- Average rainfall days in December: 13.2 days
The month with the highest number of rainy days is January (16.3 days).
The month with the least rainy days is August (6.8 days).
Average snowfall in December
Portaria, Greece
- Average snowfall in December: 18mm
The month with the highest snowfall is January (55mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in December
Portaria, Greece
- Average snowfall days in December: 0.7 days
The month with the highest number of snowfall days is January (2 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
Portaria, Greece
- Average daylight in December: 9h and 2min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in December: 5h and 3min
The month with the most sunshine is August (Average sunshine: 11h and 48min).
The month with the least sunshine is January (Average sunshine: 5h and 0min).
Average sunshine days in December
Portaria, Greece
- Average sunshine days in December: 15.3 days
The months with the most sunshine days are July and August (22.3 days).
The month with the least sunshine days is February (11.3 days).
Average UV index in December
Portaria, Greece
- Average UV index in December: 2
The month with the highest UV index is July (UV index 7).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in December
Portaria, Greece
- Average cloud cover in December: 41
The months with the most cloud cover are January and February (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 13).
Average visibility in December
Portaria, Greece
- Average visibility in December: 9km
The months with the highest visibility are March, April, May, June, July, August, September, October and November (10km).
The months with the lowest visibility are January, February and December (9km).
Portaria, Greece
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