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December weather forecast in Uusikaupunki

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

	759 mmHg		83%
	10.4 m/s		+5

30 November, Sunday. day, 2°; night, 1°; rain

1 December, mon

	758 mmHg		81%
	11 m/s		+5

1 December, Monday. day, 2°; night, 1°; overcast

2 December, tue

	759 mmHg		83%
	9.6 m/s		+5

2 December, Tuesday. day, 2°; night, 1°; rain

3 December, wed

	759 mmHg		83%
	9 m/s		+5

3 December, Wednesday. day, 2°; night, 0°; clear

4 December, thu

	757 mmHg		86%
	9 m/s		+5

4 December, Thursday. day, 1°; night, 0°; overcast

5 December, fri

	756 mmHg		82%
	10.4 m/s		+5

5 December, Friday. day, 2°; night, 0°; rain

6 December, sat

	757 mmHg		83%
	9.89 m/s		+5

6 December, Saturday. day, 2°; night, 0°; rain

7 December, sun

	758 mmHg		84%
	9.1 m/s		+4

7 December, Sunday. day, 2°; night, 0°; rain

8 December, mon

	758 mmHg		84%
	9.5 m/s		+4

8 December, Monday. day, 2°; night, 0°; rain

9 December, tue

	759 mmHg		86%
	9.2 m/s		+4

9 December, Tuesday. day, 2°; night, 0°; rain

10 December, wed

	759 mmHg		86%
	9.2 m/s		+4

10 December, Wednesday. day, 2°; night, 1°; rain

11 December, thu

	759 mmHg		85%
	9.5 m/s		+4

11 December, Thursday. day, 2°; night, 0°; overcast

12 December, fri

	759 mmHg		83%
	10.4 m/s		+4

12 December, Friday. day, 2°; night, 0°; clear

13 December, sat

	759 mmHg		83%
	9.6 m/s		+3

13 December, Saturday. day, 1°; night, 0°; rain

14 December, sun

	759 mmHg		82%
	9.39 m/s		+3

14 December, Sunday. day, 1°; night, 0°; overcast

15 December, mon

	758 mmHg		84%
	9.89 m/s		+4

15 December, Monday. day, 1°; night, 0°; partly cloudy

16 December, tue

	757 mmHg		84%
	10.4 m/s		+3

16 December, Tuesday. day, 2°; night, 0°; clear

17 December, wed

	757 mmHg		83%
	10.3 m/s		+3

17 December, Wednesday. day, 2°; night, 0°; rain

18 December, thu

	757 mmHg		85%
	9.8 m/s		+3

18 December, Thursday. day, 2°; night, 0°; rain

19 December, fri

	755 mmHg		82%
	10.2 m/s		+3

19 December, Friday. day, 2°; night, 0°; rain

20 December, sat

	756 mmHg		82%
	10.3 m/s		+3

20 December, Saturday. day, 1°; night, 0°; rain

21 December, sun

	756 mmHg		82%
	10 m/s		+3

21 December, Sunday. day, 0°; night, -1°; clear

22 December, mon

	755 mmHg		83%
	10.6 m/s		+3

22 December, Monday. day, 0°; night, -1°; snow

23 December, tue

	754 mmHg		83%
	10.3 m/s		+2

23 December, Tuesday. day, 0°; night, -1°; overcast

24 December, wed

	754 mmHg		81%
	10.5 m/s		+2

24 December, Wednesday. day, 0°; night, -1°; partly cloudy

25 December, thu

	753 mmHg		82%
	10.6 m/s		+3

25 December, Thursday. day, 0°; night, -1°; snow

26 December, fri

	754 mmHg		81%
	10.8 m/s		+3

26 December, Friday. day, 1°; night, -1°; partly cloudy

27 December, sat

	755 mmHg		83%
	10.1 m/s		+3

27 December, Saturday. day, 1°; night, 0°; partly cloudy

28 December, sun

	758 mmHg		83%
	9.8 m/s		+2

28 December, Sunday. day, 0°; night, -1°; overcast

29 December, mon

	756 mmHg		87%
	9.89 m/s		+2

29 December, Monday. day, 0°; night, -1°; snow

30 December, tue

	756 mmHg		86%
	9.89 m/s		+3

30 December, Tuesday. day, 1°; night, 0°; rain

31 December, wed

	757 mmHg		83%
	9.8 m/s		+3

31 December, Wednesday. day, 1°; night, -1°; partly cloudy

1 January, thu

	756 mmHg		84%
	9.89 m/s		+2

1 January, Thursday. day, 0°; night, -1°; rain

2 January, fri

	758 mmHg		84%
	10 m/s		+2

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

3 January, sat

	758 mmHg		82%
	9.7 m/s		+2

3 January, Saturday. day, 0°; night, -2°; partly cloudy

Average data for 10 years

Uusikaupunki December

4

sunny days

16

days with precipitation

18

cloudy days

4 sunny days; 16 days with precipitation; 18 cloudy days;

84

%

air humidity

7.6

m/s

WindS

69

mm of precipitation

(10% of annual average)

+3

°C

Water temperature

air humidity 84%; 69 millimeters of precipitation (10% of annual average); Wind southerly 7.6 Meters per second; Water temperature +3°

Weather graphs for December

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

SW

S

S

S

S

S

S

S

S

S

S

S

S

S

S

S

SW

S

SW

S

S

S

S

S

S

S

S

S

S

S

S

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

Tallinn
Stockholm
Helsinki
Pori
Umeå
Kuressaare
Vaasa
Uppsala
Tampere

Cities with similar weather in December

Riga
Reykyavik
Oslo
Yurmala
Toronto
Palanga
Chicago
Gdansk
Klaipeda

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

December in Uusikaupunki is the windiest month of the year. In December, the weather in Uusikaupunki is typically cold. Average daily high temperature in December is about 1 degree above zero. On average, Uusikaupunki has 9 rainy, 9 cloudy, 6 partly cloudy, 4 sunny, and 3 snowy days in December. The rains are usually moderate. December as well as April, October, and November is considered the most uncomfortable time to visit Uusikaupunki.

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