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
In Keles, entering December brings a temperature decrement, reducing from November's refreshing 14.2°C (57.6°F) to a chilly 8.2°C (46.8°F). Throughout the month of December, the average temperature dips to an icy 1.2°C (34.2°F) at night.Humidity
In Keles, the average relative humidity in December is 76%.Rainfall
In December, the rain falls for 12.4 days. Throughout December, 51mm (2.01") of precipitation is accumulated. Throughout the year, there are 138.3 rainfall days, and 455mm (17.91") of precipitation is accumulated.Snowfall
January through April and December are months with snowfall. December is the first month it typically snows in Keles. Throughout December, in the average 2.8 snowfall days, it receives 43mm (1.69") of snow. Throughout the year, there are 14 snowfall days, and 227mm (8.94") of snow is accumulated.Daylight
With an average of 9h and 24min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 08:05 and sunset at 17:38. On the last day of the month, sunrise is at 08:24 and sunset at 17:48 +03.
Sunshine
December has the least sunshine of the year, with an average of 5.3h of sunshine.UV index
The months with the lowest UV index in Keles are January, February and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: A typical high UV index of 2 in December suggests the following recommendations:
Many can withstand an hour in the sun without burning, yet children must always have protection against sunlight. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Keles in December?
What is the average humidity in December?
How much does it rain in December?
When does it start snowing?
What is the month with the shortest days?
How many hours of daylight does Keles have in December?
When is the sunrise / sunset in December?
What is the month with the least sunshine?
How long on average sun shines in December?
When is the lowest UV index?
What is the UV index reading in December?
Average temperature in December
Keles, Turkey
- Average high temperature in December: 8.2°C
The warmest month (with the highest average high temperature) is August (28.1°C).
The month with the lowest average high temperature is January (5.6°C).
- Average low temperature in December: 1.2°C
The month with the highest average low temperature is August (14.6°C).
The coldest month (with the lowest average low temperature) is January (-1.3°C).
Average pressure in December
Keles, Turkey
- Average pressure in December: 1019.9mbar
The month with the highest atmospheric pressure is December (1019.9mbar).
The month with the lowest atmospheric pressure is July (1011.3mbar).
Average wind speed in December
Keles, Turkey
- Average wind speed in December: 9.6km/h
The windiest month (with the highest average wind speed) is February (10.4km/h).
The calmest month (with the lowest average wind speed) is October (7.7km/h).
Average humidity in December
Keles, Turkey
- Average humidity in December: 76%
The month with the highest relative humidity is January (81%).
The months with the lowest relative humidity are July, August and September (66%).
Average rainfall in December
Keles, Turkey
- Average rainfall in December: 51mm
The wettest month (with the highest rainfall) is June (60mm).
The driest month (with the least rainfall) is November (17mm).
Average rainfall days in December
Keles, Turkey
- Average rainfall days in December: 12.4 days
The month with the highest number of rainy days is May (16.6 days).
The month with the least rainy days is August (7.3 days).
Average snowfall in December
Keles, Turkey
- Average snowfall in December: 43mm
The month with the highest snowfall is January (102mm).
The months with the least snowfall are May, June, July, August, September, October and November (0mm).
Average snowfall days in December
Keles, Turkey
- Average snowfall days in December: 2.8 days
The month with the highest number of snowfall days is January (5.9 days).
The months with the least snowfall days are May, June, July, August, September, October and November (0 days).
Average daylight in December /
Average sunshine in December
Keles, Turkey
- Average daylight in December: 9h and 2min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in December: 5h and 2min
The month with the most sunshine is July (Average sunshine: 11h and 48min).
The month with the least sunshine is December (Average sunshine: 5h and 18min).
Average sunshine days in December
Keles, Turkey
- Average sunshine days in December: 15.2 days
The month with the most sunshine days is August (21.8 days).
The month with the least sunshine days is May (12.8 days).
Average UV index in December
Keles, Turkey
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover in December
Keles, Turkey
- Average cloud cover in December: 46
The month with the most cloud cover is January (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 16).
Average visibility in December
Keles, Turkey
- Average visibility in December: 9km
The month with the highest visibility is June (10km).
The month with the lowest visibility is January (8km).
