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December weather forecast in Penzance

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

	760 mmHg		81%
	11.6 m/s		+12

30 November, Sunday. day, 11°; night, 9°; rain

1 December, mon

	760 mmHg		78%
	11.2 m/s		+12

1 December, Monday. day, 10°; night, 9°; clear

2 December, tue

	760 mmHg		77%
	11.1 m/s		+12

2 December, Tuesday. day, 10°; night, 9°; rain

3 December, wed

	758 mmHg		77%
	11.7 m/s		+12

3 December, Wednesday. day, 10°; night, 9°; rain

4 December, thu

	759 mmHg		77%
	11.8 m/s		+12

4 December, Thursday. day, 10°; night, 9°; rain

5 December, fri

	760 mmHg		76%
	12.4 m/s		+12

5 December, Friday. day, 10°; night, 9°; partly cloudy

6 December, sat

	761 mmHg		78%
	11.7 m/s		+12

6 December, Saturday. day, 10°; night, 9°; partly cloudy

7 December, sun

	759 mmHg		78%
	12.2 m/s		+12

7 December, Sunday. day, 10°; night, 9°; rain

8 December, mon

	760 mmHg		76%
	12.6 m/s		+12

8 December, Monday. day, 10°; night, 9°; rain

9 December, tue

	762 mmHg		78%
	12 m/s		+12

9 December, Tuesday. day, 10°; night, 9°; clear

10 December, wed

	762 mmHg		78%
	11.5 m/s		+12

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

11 December, thu

	761 mmHg		80%
	10.7 m/s		+11

11 December, Thursday. day, 10°; night, 9°; overcast

12 December, fri

	760 mmHg		80%
	12.4 m/s		+11

12 December, Friday. day, 10°; night, 9°; overcast

13 December, sat

	760 mmHg		80%
	11.7 m/s		+11

13 December, Saturday. day, 10°; night, 8°; partly cloudy

14 December, sun

	761 mmHg		78%
	11.7 m/s		+11

14 December, Sunday. day, 10°; night, 8°; rain

15 December, mon

	762 mmHg		79%
	11.4 m/s		+11

15 December, Monday. day, 10°; night, 8°; rain

16 December, tue

	763 mmHg		78%
	11.4 m/s		+11

16 December, Tuesday. day, 10°; night, 8°; rain

17 December, wed

	762 mmHg		78%
	11.5 m/s		+11

17 December, Wednesday. day, 10°; night, 8°; partly cloudy

18 December, thu

	760 mmHg		82%
	11.9 m/s		+11

18 December, Thursday. day, 10°; night, 9°; rain

19 December, fri

	760 mmHg		81%
	11.1 m/s		+11

19 December, Friday. day, 10°; night, 8°; rain

20 December, sat

	761 mmHg		80%
	10.8 m/s		+11

20 December, Saturday. day, 10°; night, 8°; rain

21 December, sun

	761 mmHg		81%
	11.5 m/s		+11

21 December, Sunday. day, 10°; night, 9°; rain

22 December, mon

	761 mmHg		82%
	11.7 m/s		+11

22 December, Monday. day, 10°; night, 9°; rain

23 December, tue

	760 mmHg		82%
	12.1 m/s		+11

23 December, Tuesday. day, 10°; night, 9°; rain

24 December, wed

	759 mmHg		80%
	11.8 m/s		+11

24 December, Wednesday. day, 10°; night, 9°; overcast

25 December, thu

	759 mmHg		80%
	11.6 m/s		+11

25 December, Thursday. day, 10°; night, 8°; overcast

26 December, fri

	759 mmHg		78%
	12.6 m/s		+11

26 December, Friday. day, 10°; night, 8°; rain

27 December, sat

	757 mmHg		78%
	12.8 m/s		+11

27 December, Saturday. day, 9°; night, 8°; rain

28 December, sun

	758 mmHg		77%
	12.1 m/s		+11

28 December, Sunday. day, 9°; night, 8°; rain

29 December, mon

	759 mmHg		80%
	12.3 m/s		+11

29 December, Monday. day, 10°; night, 8°; rain

30 December, tue

	758 mmHg		81%
	12.2 m/s		+11

30 December, Tuesday. day, 10°; night, 9°; rain

31 December, wed

	758 mmHg		81%
	12.6 m/s		+11

31 December, Wednesday. day, 10°; night, 8°; rain

1 January, thu

	758 mmHg		78%
	12.8 m/s		+11

1 January, Thursday. day, 10°; night, 8°; rain

2 January, fri

	760 mmHg		77%
	12.4 m/s		+11

2 January, Friday. day, 9°; night, 8°; rain

3 January, sat

	760 mmHg		80%
	12.7 m/s		+11

3 January, Saturday. day, 9°; night, 8°; overcast

Average data for 10 years

Penzance December

2

sunny days

20

days with precipitation

13

cloudy days

2 sunny days; 20 days with precipitation; 13 cloudy days;

79

%

air humidity

9.1

m/s

WindSW

124

mm of precipitation

(12% of annual average)

+11

°C

Water temperature

air humidity 79%; 124 millimeters of precipitation (12% of annual average); Wind south-westerly 9.1 Meters per second; Water temperature +11°

Weather graphs for December

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

S

S

SW

SW

SW

S

S

SW

SW

SW

S

S

S

S

S

SW

S

S

S

S

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

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

Dublin
Brest
Trowbridge
Cork
Bournemouth
Wicklow
Carnac
Plymouth
Looe

Cities with similar weather in December

Gagra
Suhum
Baku
Pitsunda
Burgas
New Athos
The Sunny Beach
Podgorica
Vancouver

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

December in Penzance is the windiest month of the year. In December, the weather in Penzance is typically warm. Average daily high temperature in December is about 10 degrees above zero. On average, Penzance has 20 rainy, 5 partly cloudy, 4 cloudy, and 2 sunny 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 Penzance.

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