December weather forecastSiirt, Turkey
December
Weather in December
December in Siirt is characterized by a significant transition towards winter. The shift from the warm autumn days to the cold winter nights becomes evident. Small bouts of rain become a more common sight, contributing to the overall moisture in the atmosphere. The relative humidity continues to rise, providing a stark contrast to the dry summer months. As the city welcomes the new year, temperatures drop further, marking the arrival of January's chill.Temperature
December brings a minor decrease, with the average high-temperature reducing from a mild 15.4°C (59.7°F) in November to a chilly 8.8°C (47.8°F). Nighttime temperatures in December average to a wintry 1.9°C (35.4°F).Humidity
The average relative humidity in December in Siirt is 69%.Rainfall
In Siirt, in December, it is raining for 11.7 days, with typically 93mm (3.66") of accumulated precipitation. Throughout the year, in Siirt, there are 96.5 rainfall days, and 692mm (27.24") of precipitation is accumulated.Daylight
The month with the shortest days is December, with an average of 9h and 36min of daylight.On the first day of December in Siirt, sunrise is at 07:09 and sunset at 16:53. On the last day of the month, sunrise is at 07:27 and sunset at 17:02 +03.
Sunshine
With an average of 3.5h of sunshine, December has the least sunshine of the year in Siirt.Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Siirt, Turkey
- Average high temperature in December: 8.8°C
The warmest month (with the highest average high temperature) is July (37.2°C).
The month with the lowest average high temperature is January (6.7°C).
- Average low temperature in December: 1.9°C
The month with the highest average low temperature is July (23.6°C).
The coldest month (with the lowest average low temperature) is January (-0.2°C).
Average humidity in December
Siirt, Turkey
- Average humidity in December: 69%
The months with the highest relative humidity are January and February (70%).
The month with the lowest relative humidity is August (23%).
Average rainfall in December
Siirt, Turkey
- Average rainfall in December: 92.9mm
The wettest month (with the highest rainfall) is April (109.4mm).
The driest month (with the least rainfall) is August (1mm).
Average rainfall days in December
Siirt, Turkey
- Average rainfall days in December: 11.7 days
The month with the highest number of rainy days is March (13.8 days).
The month with the least rainy days is August (0.6 days).
Average daylight in December /
Average sunshine in December
Siirt, Turkey
- Average daylight in December: 9h and 36min
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 36min).
- Average sunshine in December: 3h and 30min
The month with the most sunshine is July (Average sunshine: 12h and 24min).
The month with the least sunshine is December (Average sunshine: 3h and 30min).





