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December weather forecast in Siazan

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

	754 mmHg		81%
	3.9 m/s		+12

30 November, Sunday. day, 9°; night, 4°; overcast

1 December, mon

	755 mmHg		80%
	4.19 m/s		+11

1 December, Monday. day, 9°; night, 4°; rain

2 December, tue

	755 mmHg		81%
	4 m/s		+11

2 December, Tuesday. day, 8°; night, 4°; rain

3 December, wed

	756 mmHg		81%
	4.3 m/s		+11

3 December, Wednesday. day, 8°; night, 3°; partly cloudy

4 December, thu

	755 mmHg		78%
	4.19 m/s		+12

4 December, Thursday. day, 9°; night, 3°; clear

5 December, fri

	754 mmHg		77%
	3.7 m/s		+11

5 December, Friday. day, 9°; night, 3°; clear

6 December, sat

	754 mmHg		80%
	3.4 m/s		+11

6 December, Saturday. day, 8°; night, 3°; partly cloudy

7 December, sun

	753 mmHg		79%
	4.1 m/s		+11

7 December, Sunday. day, 9°; night, 3°; partly cloudy

8 December, mon

	753 mmHg		81%
	4.19 m/s		+10

8 December, Monday. day, 8°; night, 3°; rain

9 December, tue

	755 mmHg		83%
	3.9 m/s		+11

9 December, Tuesday. day, 7°; night, 3°; rain

10 December, wed

	755 mmHg		81%
	4.1 m/s		+11

10 December, Wednesday. day, 7°; night, 3°; partly cloudy

11 December, thu

	755 mmHg		80%
	3.9 m/s		+10

11 December, Thursday. day, 7°; night, 2°; overcast

12 December, fri

	753 mmHg		81%
	3.9 m/s		+10

12 December, Friday. day, 7°; night, 3°; rain

13 December, sat

	753 mmHg		82%
	4 m/s		+10

13 December, Saturday. day, 8°; night, 3°; overcast

14 December, sun

	753 mmHg		83%
	3.8 m/s		+9

14 December, Sunday. day, 6°; night, 2°; rain

15 December, mon

	754 mmHg		82%
	4 m/s		+9

15 December, Monday. day, 6°; night, 1°; rain

16 December, tue

	755 mmHg		82%
	3.8 m/s		+9

16 December, Tuesday. day, 6°; night, 1°; rain

17 December, wed

	755 mmHg		80%
	3.9 m/s		+9

17 December, Wednesday. day, 6°; night, 0°; snow

18 December, thu

	754 mmHg		77%
	3.4 m/s		+9

18 December, Thursday. day, 7°; night, 1°; clear

19 December, fri

	753 mmHg		79%
	3.6 m/s		+9

19 December, Friday. day, 7°; night, 1°; partly cloudy

20 December, sat

	753 mmHg		78%
	3.7 m/s		+9

20 December, Saturday. day, 7°; night, 2°; partly cloudy

21 December, sun

	753 mmHg		78%
	3.7 m/s		+9

21 December, Sunday. day, 7°; night, 2°; clear

22 December, mon

	753 mmHg		79%
	3.7 m/s		+9

22 December, Monday. day, 7°; night, 1°; partly cloudy

23 December, tue

	753 mmHg		80%
	3.8 m/s		+9

23 December, Tuesday. day, 7°; night, 1°; rain

24 December, wed

	751 mmHg		80%
	3.7 m/s		+9

24 December, Wednesday. day, 7°; night, 1°; rain

25 December, thu

	753 mmHg		80%
	3.8 m/s		+9

25 December, Thursday. day, 6°; night, 1°; clear

26 December, fri

	753 mmHg		80%
	3.8 m/s		+9

26 December, Friday. day, 6°; night, 1°; clear

27 December, sat

	754 mmHg		77%
	3.3 m/s		+9

27 December, Saturday. day, 7°; night, 1°; clear

28 December, sun

	753 mmHg		75%
	3.4 m/s		+10

28 December, Sunday. day, 7°; night, 1°; clear

29 December, mon

	754 mmHg		77%
	3.4 m/s		+9

29 December, Monday. day, 8°; night, 2°; clear

30 December, tue

	754 mmHg		79%
	3.9 m/s		+8

30 December, Tuesday. day, 7°; night, 2°; partly cloudy

31 December, wed

	754 mmHg		80%
	3.7 m/s		+8

31 December, Wednesday. day, 7°; night, 2°; partly cloudy

1 January, thu

	753 mmHg		82%
	3.6 m/s		+8

1 January, Thursday. day, 6°; night, 1°; clear

2 January, fri

	753 mmHg		81%
	3.8 m/s		+8

2 January, Friday. day, 6°; night, 0°; partly cloudy

3 January, sat

	753 mmHg		79%
	3.5 m/s		+8

3 January, Saturday. day, 6°; night, 0°; clear

Average data for 10 years

Siazan December

9

sunny days

11

days with precipitation

11

cloudy days

9 sunny days; 11 days with precipitation; 11 cloudy days;

80

%

air humidity

2.4

m/s

WindSW

52

mm of precipitation

(11% of annual average)

+10

°C

Water temperature

air humidity 80%; 52 millimeters of precipitation (11% of annual average); Wind south-westerly 2.4 Meters per second; Water temperature +10°

Weather graphs for December

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

SW

S

S

S

SW

SW

S

SW

SW

SW

S

S

S

SW

SW

S

SW

S

S

SW

SW

SW

SW

SW

SW

SW

SW

SW

S

SW

SW

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

Baku
Makhachkala
Derbent
Aktau
Quba
Kaspiysk
Kusari
Naftalan
Lankaran

Cities with similar weather in December

Gagra
Suhum
Pitsunda
Burgas
Varna
The Sunny Beach
Podgorica
Vancouver
The Golden Sands

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

In December, the weather in Siazan is typically cold. Average daily high temperature in December is about 7 degrees above zero. On average, Siazan has 10 partly cloudy, 9 sunny, 8 rainy, 3 cloudy, and 1 snowy day in December. The rains are usually moderate. December as well as January, February, March, and November is considered the most uncomfortable time to visit Siazan.

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