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December weather forecast in Sian

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

29 November, sun

	744 mmHg		75%
	4 m/s

29 November, Sunday. day, -19°; night, -22°; partly cloudy

30 November, mon

	743 mmHg		76%
	4.4 m/s

30 November, Monday. day, -18°; night, -22°; clear

1 December, tue

	743 mmHg		77%
	3.7 m/s

1 December, Tuesday. day, -19°; night, -22°; partly cloudy

2 December, wed

	742 mmHg		79%
	4.4 m/s

2 December, Wednesday. day, -17°; night, -21°; partly cloudy

3 December, thu

	741 mmHg		79%
	4 m/s

3 December, Thursday. day, -17°; night, -20°; overcast

4 December, fri

	742 mmHg		77%
	4.4 m/s

4 December, Friday. day, -18°; night, -21°; overcast

5 December, sat

	743 mmHg		75%
	4 m/s

5 December, Saturday. day, -20°; night, -22°; partly cloudy

6 December, sun

	744 mmHg		74%
	3.5 m/s

6 December, Sunday. day, -21°; night, -25°; clear

7 December, mon

	744 mmHg		75%
	4.1 m/s

7 December, Monday. day, -20°; night, -24°; overcast

8 December, tue

	743 mmHg		75%
	3.7 m/s

8 December, Tuesday. day, -19°; night, -22°; clear

9 December, wed

	744 mmHg		75%
	3.7 m/s

9 December, Wednesday. day, -19°; night, -22°; partly cloudy

10 December, thu

	743 mmHg		75%
	4.5 m/s

10 December, Thursday. day, -19°; night, -22°; partly cloudy

11 December, fri

	742 mmHg		75%
	4.5 m/s

11 December, Friday. day, -20°; night, -23°; partly cloudy

12 December, sat

	745 mmHg		75%
	4 m/s

12 December, Saturday. day, -20°; night, -23°; overcast

13 December, sun

	745 mmHg		76%
	3.9 m/s

13 December, Sunday. day, -20°; night, -22°; overcast

14 December, mon

	745 mmHg		75%
	3.7 m/s

14 December, Monday. day, -20°; night, -23°; partly cloudy

15 December, tue

	743 mmHg		75%
	3.7 m/s

15 December, Tuesday. day, -20°; night, -24°; partly cloudy

16 December, wed

	743 mmHg		75%
	3.7 m/s

16 December, Wednesday. day, -20°; night, -24°; clear

17 December, thu

	744 mmHg		75%
	4.9 m/s

17 December, Thursday. day, -20°; night, -23°; clear

18 December, fri

	744 mmHg		74%
	4 m/s

18 December, Friday. day, -21°; night, -23°; clear

19 December, sat

	744 mmHg		75%
	3.4 m/s

19 December, Saturday. day, -21°; night, -23°; clear

20 December, sun

	745 mmHg		74%
	3.2 m/s

20 December, Sunday. day, -21°; night, -23°; clear

21 December, mon

	746 mmHg		73%
	3.5 m/s

21 December, Monday. day, -22°; night, -24°; partly cloudy

22 December, tue

	746 mmHg		74%
	3.9 m/s

22 December, Tuesday. day, -22°; night, -25°; partly cloudy

23 December, wed

	745 mmHg		73%
	3.9 m/s

23 December, Wednesday. day, -22°; night, -26°; clear

24 December, thu

	744 mmHg		75%
	3.9 m/s

24 December, Thursday. day, -21°; night, -25°; partly cloudy

25 December, fri

	744 mmHg		75%
	4.5 m/s

25 December, Friday. day, -20°; night, -24°; partly cloudy

26 December, sat

	745 mmHg		75%
	4.5 m/s

26 December, Saturday. day, -20°; night, -23°; partly cloudy

27 December, sun

	744 mmHg		75%
	3.7 m/s

27 December, Sunday. day, -20°; night, -23°; clear

28 December, mon

	745 mmHg		75%
	3.4 m/s

28 December, Monday. day, -20°; night, -22°; partly cloudy

29 December, tue

	744 mmHg		76%
	3.2 m/s

29 December, Tuesday. day, -19°; night, -22°; clear

30 December, wed

	744 mmHg		77%
	3.4 m/s

30 December, Wednesday. day, -19°; night, -22°; partly cloudy

31 December, thu

	744 mmHg		77%
	3.4 m/s

31 December, Thursday. day, -19°; night, -22°; partly cloudy

1 January, fri

	744 mmHg		77%
	3.7 m/s

1 January, Friday. day, -19°; night, -22°; partly cloudy

2 January, sat

	744 mmHg		76%
	3.7 m/s

2 January, Saturday. day, -20°; night, -23°; partly cloudy

Average data for 10 years

Sian December

10

sunny days

0

days with precipitation

21

cloudy days

10 sunny days; 0 days with precipitation; 21 cloudy days;

75

%

air humidity

3

m/s

WindNW

10

mm of precipitation

(3% of annual average)

air humidity 75%; 10 millimeters of precipitation (3% of annual average); Wind north-westerly 3 Meters per second

Weather graphs for December

TemperaturePrecipitation chance, %Humidity, %Wind, m/sPressure, mmHg

NW

N

N

NW

NW

W

E

NW

NW

NW

NW

NW

NW

NW

NW

NW

NW

NW

NW

NW

NW

NW

NW

NW

NW

NW

NW

NW

NW

NW

NW

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

Blagoveshchensk
Svobodniy
Tynda
Belogorsk
Skovorodino
Kuvykta
Taldan
Zeya
Mogot

Cities with similar weather in December

Surgut
Noviy Urengoy
Norilsk
Khabarovsk
Nizhnevartovsk
Vorkuta
Chita
Salekhard
Magadan

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

In December, the weather in Sian is typically freezing. Average daily high temperature in December is about 20 degrees below zero. On average, Sian has 16 partly cloudy, 10 sunny, and 5 cloudy days in December. December as well as January, February, and November is considered the most uncomfortable time to visit Sian.

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