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December weather forecast in Mersin

30 days Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

30 days Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Sun

Sunday

Mon

Monday

Tue

Tuesday

Wed

Wednesday

Thu

Thursday

Fri

Friday

Sat

Saturday

30 November, sun

	677 mmHg		70%
	2.2 m/s		+22

30 November, Sunday. day, 11°; night, 3°; rain

1 December, mon

	678 mmHg		68%
	2.09 m/s		+22

1 December, Monday. day, 11°; night, 3°; clear

2 December, tue

	678 mmHg		65%
	2.2 m/s		+22

2 December, Tuesday. day, 12°; night, 3°; clear

3 December, wed

	678 mmHg		65%
	1.9 m/s		+22

3 December, Wednesday. day, 11°; night, 3°; partly cloudy

4 December, thu

	678 mmHg		66%
	2.09 m/s		+21

4 December, Thursday. day, 11°; night, 3°; overcast

5 December, fri

	677 mmHg		66%
	2.4 m/s		+21

5 December, Friday. day, 11°; night, 3°; overcast

6 December, sat

	677 mmHg		69%
	2.3 m/s		+21

6 December, Saturday. day, 10°; night, 2°; rain

7 December, sun

	677 mmHg		71%
	2.2 m/s		+21

7 December, Sunday. day, 10°; night, 2°; overcast

8 December, mon

	677 mmHg		73%
	2.3 m/s		+21

8 December, Monday. day, 9°; night, 2°; rain

9 December, tue

	677 mmHg		72%
	2.4 m/s		+21

9 December, Tuesday. day, 9°; night, 1°; rain

10 December, wed

	677 mmHg		70%
	2.5 m/s		+21

10 December, Wednesday. day, 9°; night, 1°; partly cloudy

11 December, thu

	677 mmHg		69%
	2.2 m/s		+20

11 December, Thursday. day, 9°; night, 1°; rain

12 December, fri

	676 mmHg		70%
	2.3 m/s		+21

12 December, Friday. day, 8°; night, 2°; rain

13 December, sat

	676 mmHg		68%
	2.3 m/s		+21

13 December, Saturday. day, 8°; night, 1°; clear

14 December, sun

	676 mmHg		67%
	2.6 m/s		+20

14 December, Sunday. day, 8°; night, 1°; clear

15 December, mon

	677 mmHg		70%
	2.4 m/s		+20

15 December, Monday. day, 8°; night, 0°; clear

16 December, tue

	677 mmHg		72%
	2.09 m/s		+20

16 December, Tuesday. day, 8°; night, 0°; rain

17 December, wed

	677 mmHg		73%
	2.4 m/s		+20

17 December, Wednesday. day, 8°; night, 1°; rain

18 December, thu

	678 mmHg		71%
	2 m/s		+20

18 December, Thursday. day, 8°; night, 1°; partly cloudy

19 December, fri

	677 mmHg		70%
	2.2 m/s		+20

19 December, Friday. day, 7°; night, 1°; rain

20 December, sat

	677 mmHg		69%
	2.2 m/s		+20

20 December, Saturday. day, 7°; night, 0°; clear

21 December, sun

	677 mmHg		68%
	2.2 m/s		+20

21 December, Sunday. day, 7°; night, 0°; clear

22 December, mon

	677 mmHg		71%
	2.2 m/s		+20

22 December, Monday. day, 7°; night, 1°; rain

23 December, tue

	676 mmHg		72%
	2.4 m/s		+20

23 December, Tuesday. day, 7°; night, 0°; rain

24 December, wed

	676 mmHg		71%
	2.4 m/s		+20

24 December, Wednesday. day, 7°; night, 0°; clear

25 December, thu

	677 mmHg		71%
	2.4 m/s		+20

25 December, Thursday. day, 7°; night, 0°; partly cloudy

26 December, fri

	677 mmHg		70%
	2.2 m/s		+20

26 December, Friday. day, 7°; night, 0°; clear

27 December, sat

	678 mmHg		68%
	2.2 m/s		+20

27 December, Saturday. day, 7°; night, 0°; clear

28 December, sun

	678 mmHg		69%
	2.2 m/s		+20

28 December, Sunday. day, 8°; night, 1°; overcast

29 December, mon

	677 mmHg		71%
	2.3 m/s		+19

29 December, Monday. day, 7°; night, 1°; rain

30 December, tue

	677 mmHg		71%
	2.3 m/s		+19

30 December, Tuesday. day, 7°; night, 0°; partly cloudy

31 December, wed

	677 mmHg		69%
	2 m/s		+19

31 December, Wednesday. day, 7°; night, 0°; clear

1 January, thu

	677 mmHg		69%
	2.2 m/s		+20

1 January, Thursday. day, 7°; night, 0°; partly cloudy

2 January, fri

	676 mmHg		74%
	2.09 m/s		+19

2 January, Friday. day, 7°; night, 0°; rain

3 January, sat

	676 mmHg		74%
	2.2 m/s		+19

3 January, Saturday. day, 7°; night, 0°; rain

Average data for 10 years

Mersin December

11

sunny days

11

days with precipitation

7

cloudy days

11 sunny days; 11 days with precipitation; 7 cloudy days;

69

%

air humidity

1.4

m/s

WindSW

126

mm of precipitation

(13% of annual average)

+20

°C

Water temperature

air humidity 69%; 126 millimeters of precipitation (13% of annual average); Wind south-westerly 1.4 Meters per second; Water temperature +20°

Weather graphs for December

TemperatureWater temperaturePrecipitation chance, %Humidity, %Wind, m/sPressure, mmHg

W

W

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

W

W

SW

SW

W

SW

SW

W

W

SW

SW

W

W

W

W

SW

SW

SW

W

1

Average data for 10 years

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

Daytime temperature

Night-time temperature

Cities near you

Antalya
Alanya
Side
Belek
Ankara
Limassol
Nicosia
Haifa
Paphos

Cities with similar weather in December

Kemer
Batumi
Budva
Rimini
Salou
Tivat
Bar
Beldibi
Pisa

The weather forecast for December 2025 is based on historical data from the past 10 years.

In December, the weather in Mersin is typically cold. Average daily high temperature in December is about 8 degrees above zero. On average, Mersin has 11 sunny, 10 rainy, 6 partly cloudy, and 4 cloudy days in December. The rains are usually heavy. December as well as January, February, March, and April is considered the most uncomfortable time to visit Mersin.

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