December weather forecast
Dalyan, Turkey

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December

Weather in December

December brings in cold winds and occasional rainfall, promoting a cosy and calm atmosphere throughout Dalyan. The increased cloud cover and 88mm (3.46") rainfall indicates the city has fully embraced winter. As the sun begins to recede, the days get shorter, turning the evenings into beautiful vistas of pink and orange. Though outdoor activities reduce due to chillier temperatures, the celebration of festive season keeps the spirits high. The month concludes the year with a blend of pleasant weather and joyous festivities.

Temperature

As Dalyan, Turkey, enters December, the average high-temperature subtly lowers from the a refreshing 19°C (66.2°F) of November to a moderate 14.4°C (57.9°F). Throughout December nights, Dalyan registers an average low-temperature of 8.5°C (47.3°F).

Humidity

The average relative humidity in December is 66%.

Rainfall

In Dalyan, in December, during 12.2 rainfall days, 88mm (3.46") of precipitation is typically accumulated. In Dalyan, during the entire year, the rain falls for 96.7 days and collects up to 540mm (21.26") of precipitation.

Snowfall

February and December are months with snowfall. The months with the most snowfall days are February and December, with an average of 0.1 snowfall days.

Sea temperature

In December, the average sea temperature is 18°C (64.4°F).
Note: For most individuals, swimming in 18°C (64.4°F) is not enjoyable. As the water temperature decreases from 21°C (69.8°F) to 15°C (59°F), breathing control becomes increasingly difficult.

Daylight

With an average of 9h and 42min of daylight, December has the shortest days of the year.
On the first day of December, sunrise is at 07:59 and sunset at 17:49. On the last day of the month, sunrise is at 08:18 and sunset at 17:59 +03.

Sunshine

With an average of 6.5h of sunshine, December has the least sunshine of the year.

UV index

January, February and December, with an average maximum UV index of 3, are months with the lowest UV index. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: In December, an average UV index of 3 transforms into the following instructions:
Act with care - The need to guard against sun damage is communicated. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.
Updated: Jun 30, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average December temperature?
In Dalyan, 14.4°C (57.9°F) is the average high-temperature and 8.5°C (47.3°F) is the average low-temperature during December. The average heat index (a.k.a. 'apparent temperature', 'feels like'), which combines air temperature and relative humidity, in September is computed to be 29°C (84.2°F).
What is the average humidity in December?
In December, the average relative humidity is 66%.
How much does it rain in December?
In December, the rain falls for 12.2 days. Throughout December, 88mm (3.46") of precipitation is accumulated.
What is the snowiest month?
The months with the most snowfall days are February and December, with an average of 0.1 snowfall days.
When does it start snowing?
December is the first month it typically snows. Throughout December, there are 0.1 snowfall days.
How cold is the water in December?
In December, the average sea temperature is 18°C (64.4°F). Swimming in 18°C (64.4°F) is not enjoyable for the majority. Controlling breathing becomes progressively more difficult as surface water temperature decreases below 21°C (69.8°F).
What is the month with the shortest days?
The month with the shortest days is December, with an average of 9h and 42min of daylight.
What is the average length of the day in December in Dalyan?
In Dalyan, the average day length in December is 9h and 41min.
What time are sunrise and sunset in December?
On the first day of December, sunrise is at 07:59 and sunset at 17:49. On the last day of the month, sunrise is at 08:18 and sunset at 17:59 +03.
What is the month with the least sunshine in Dalyan?
December has the least sunshine of the year, with an average of 6.5h of sunshine.
How long on average sun shines in December?
In Dalyan, the average sunshine duration in December is 6.5h.
When is the lowest UV index?
The months with the lowest UV index are January, February and December, with an average maximum UV index of 3.
What is the UV index reading in December?
In December, the average daily maximum UV index is 3. A UV Index estimate of 3 to 5 represents a moderate health threat from unprotected exposure to UV radiation.
Today
Tomorrow
Long-term
YearJFMAMJJASONDecember
Nov
December
Jan
Average high temperature
19°C
14.4°C
12.1°C
Average low temperature
12.4°C
8.5°C
6.4°C
Average pressure
1017.4mbar
1017.7mbar
1016.8mbar
Average wind speed
9.6km/h
11.2km/h
12.5km/h
Average max. wind speed
10.4km/h
12.1km/h
13.4km/h
Average wind speed gusts
16.1km/h
18.6km/h
20.5km/h
Average humidity
62%
66%
71%
Average rainfall
54mm
88mm
135mm
Average rainfall days
6.5
12.2
13.2
Average snowfall days
0
0.1
0
Average sea temperature
20°C
18°C
17°C
Average daylight
10h 1min
9h 4min
10h 0min
Average sunshine
7h 4min
6h 3min
7h 4min
Average sunshine days
22.5
17.5
16.8
Average UV index
4
3
3
Average cloud cover
19%
28%
34%
Average visibility
10km
10km
10km
Average temperature in December
Dalyan, Turkey
  • Average high temperature in December: 14.4°C

The warmest month (with the highest average high temperature) is August (32.4°C).
The month with the lowest average high temperature is January (12.1°C).

  • Average low temperature in December: 8.5°C

The month with the highest average low temperature is August (23.4°C).
The coldest month (with the lowest average low temperature) is January (6.4°C).

Average pressure in December
Dalyan, Turkey
  • Average pressure in December: 1017.7mbar

The month with the highest atmospheric pressure is December (1017.7mbar).
The month with the lowest atmospheric pressure is July (1007.5mbar).

Average wind speed in December
Dalyan, Turkey
  • Average wind speed in December: 11.2km/h

The windiest month (with the highest average wind speed) is January (12.5km/h).
The calmest month (with the lowest average wind speed) is May (9.5km/h).

Average humidity in December
Dalyan, Turkey
  • Average humidity in December: 66%

The months with the highest relative humidity are January and February (71%).
The month with the lowest relative humidity is July (49%).

Average rainfall in December
Dalyan, Turkey
  • Average rainfall in December: 88mm

The wettest month (with the highest rainfall) is January (135mm).
The driest month (with the least rainfall) is July (3mm).

Average rainfall days in December
Dalyan, Turkey
  • Average rainfall days in December: 12.2 days

The month with the highest number of rainy days is January (13.2 days).
The month with the least rainy days is July (1.8 days).

Average snowfall days in December
Dalyan, Turkey
  • Average snowfall days in December: 0.1 days

The months with the highest number of snowfall days are February and December (0.1 days).
The months with the least snowfall days are January, March, April, May, June, July, August, September, October and November (0 days).

Average sea temperature in December
Dalyan, Turkey
  • Average sea temperature in December: 18°C

The best months for swimming (with the highest average sea temperature) are August and September (25°C).
The coldest months (with the lowest average sea temperature) are February and March (16°C).

Average daylight in December /
Average sunshine in December
Dalyan, Turkey
  • Average daylight in December: 9h and 4min

The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).

  • Average sunshine in December: 6h and 3min

The month with the most sunshine is June (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 30min).

Average sunshine days in December
Dalyan, Turkey
  • Average sunshine days in December: 17.5 days

The month with the most sunshine days is July (27.8 days).
The month with the least sunshine days is February (14.9 days).

Average UV index in December
Dalyan, Turkey
  • Average UV index in December: 3

The months with the highest UV index are June, 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
Dalyan, Turkey
  • Average cloud cover in December: 28

The month with the most cloud cover is January (Cloud cover 34).
The months with the least cloud cover are July and August (Cloud cover 4).

Average visibility in December
Dalyan, Turkey
  • 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).

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