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
December
Weather in December
Temperature
The onset of December brings a small shift in high-temperatures, falling from a refreshing 15.5°C (59.9°F) in November to a cool 10.8°C (51.4°F). Iasmos records an average nighttime low-temperature of 5.7°C (42.3°F) throughout December.Humidity
The average relative humidity in December is 72%.Rainfall
In Iasmos, during December, the rain falls for 12.6 days and regularly aggregates up to 50mm (1.97") of precipitation. Throughout the year, there are 108 rainfall days, and 442mm (17.4") of precipitation is accumulated.Snowfall
January through March and December are months with snowfall in Iasmos. December is the first month it typically snows. Throughout December, in the average 0.4 snowfall days, it receives 2mm (0.08") of snow. Throughout the year, there are 3.4 snowfall days, and 17mm (0.67") of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 9h and 18min of daylight.On the first day of the month, sunrise is at 07:25 and sunset at 16:51. On the last day of December, in Iasmos, sunrise is at 07:44 and sunset at 17:00 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 reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for the average person.Note: In December, the maximum UV index of 3 translates into these guidelines:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Remember! The Sun's UV radiation can be magnified almost twofold by the reflection of snow.
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 Iasmos?
How many days does it rain in December?
When does it start to snow in Iasmos?
What is the month with the shortest days?
How many hours of daylight does Iasmos have in December?
When is the sunrise / sunset in December?
How many hours of sunshine does Iasmos have in December?
When is the lowest UV index in Iasmos?
What is the UV index intensity in December?
Average temperature in December
Iasmos, Greece
- Average high temperature in December: 10.8°C
The warmest month (with the highest average high temperature) is August (31.6°C).
The month with the lowest average high temperature is January (8.8°C).
- Average low temperature in December: 5.7°C
The month with the highest average low temperature is August (21.7°C).
The coldest month (with the lowest average low temperature) is January (3.6°C).
Average pressure in December
Iasmos, Greece
- Average pressure in December: 1019.5mbar
The month with the highest atmospheric pressure is December (1019.5mbar).
The month with the lowest atmospheric pressure is July (1012.1mbar).
Average wind speed in December
Iasmos, Greece
- Average wind speed in December: 12.7km/h
The windiest month (with the highest average wind speed) is February (13.7km/h).
The calmest months (with the lowest average wind speed) are May and June (10.5km/h).
Average humidity in December
Iasmos, Greece
- Average humidity in December: 72%
The months with the highest relative humidity are January and February (74%).
The month with the lowest relative humidity is August (49%).
Average rainfall in December
Iasmos, Greece
- Average rainfall in December: 50mm
The wettest month (with the highest rainfall) is January (76mm).
The driest month (with the least rainfall) is August (6mm).
Average rainfall days in December
Iasmos, Greece
- Average rainfall days in December: 12.6 days
The month with the highest number of rainy days is March (13.6 days).
The month with the least rainy days is August (3.2 days).
Average snowfall in December
Iasmos, Greece
- Average snowfall in December: 2mm
The month with the highest snowfall is January (10mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in December
Iasmos, Greece
- Average snowfall days in December: 0.4 days
The month with the highest number of snowfall days is January (1.5 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
Iasmos, Greece
- Average daylight in December: 9h and 2min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in December: 5h and 5min
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 48min).
Average sunshine days in December
Iasmos, Greece
- Average sunshine days in December: 17.2 days
The month with the most sunshine days is August (27.2 days).
The month with the least sunshine days is March (15.5 days).
Average UV index in December
Iasmos, Greece
- Average UV index in December: 3
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 3).
Average cloud cover in December
Iasmos, Greece
- Average cloud cover in December: 37
The month with the most cloud cover is February (Cloud cover 39).
The month with the least cloud cover is August (Cloud cover 11).
Average visibility in December
Iasmos, Greece
- Average visibility in December: 10km
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (10km).
The month with the lowest visibility is January (9km).
