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December weather forecast. Saint Johns County: Yandex

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

	764 mmHg		77%
	5.1 m/s		+22

30 November, Sunday. day, 21°; night, 14°; clear

1 December, mon

	764 mmHg		75%
	5.1 m/s		+22

1 December, Monday. day, 20°; night, 13°; clear

2 December, tue

	765 mmHg		74%
	4.5 m/s		+21

2 December, Tuesday. day, 20°; night, 13°; clear

3 December, wed

	765 mmHg		77%
	4.4 m/s		+21

3 December, Wednesday. day, 20°; night, 12°; clear

4 December, thu

	765 mmHg		76%
	4.5 m/s		+22

4 December, Thursday. day, 20°; night, 13°; partly cloudy

5 December, fri

	764 mmHg		77%
	4.5 m/s		+22

5 December, Friday. day, 20°; night, 13°; partly cloudy

6 December, sat

	764 mmHg		78%
	4.5 m/s		+21

6 December, Saturday. day, 20°; night, 13°; clear

7 December, sun

	764 mmHg		77%
	5 m/s		+21

7 December, Sunday. day, 19°; night, 12°; clear

8 December, mon

	765 mmHg		78%
	4.69 m/s		+20

8 December, Monday. day, 19°; night, 12°; partly cloudy

9 December, tue

	764 mmHg		79%
	4.8 m/s		+20

9 December, Tuesday. day, 20°; night, 13°; overcast

10 December, wed

	764 mmHg		80%
	5.1 m/s		+20

10 December, Wednesday. day, 20°; night, 14°; rain

11 December, thu

	764 mmHg		77%
	5.2 m/s		+20

11 December, Thursday. day, 19°; night, 13°; partly cloudy

12 December, fri

	765 mmHg		78%
	5 m/s		+20

12 December, Friday. day, 18°; night, 12°; partly cloudy

13 December, sat

	765 mmHg		80%
	5.2 m/s		+20

13 December, Saturday. day, 19°; night, 12°; overcast

14 December, sun

	764 mmHg		79%
	5.4 m/s		+20

14 December, Sunday. day, 20°; night, 14°; overcast

15 December, mon

	764 mmHg		80%
	5.2 m/s		+20

15 December, Monday. day, 19°; night, 13°; rain

16 December, tue

	764 mmHg		77%
	5 m/s		+21

16 December, Tuesday. day, 20°; night, 12°; clear

17 December, wed

	764 mmHg		78%
	5.3 m/s		+21

17 December, Wednesday. day, 20°; night, 13°; partly cloudy

18 December, thu

	764 mmHg		76%
	4.8 m/s		+21

18 December, Thursday. day, 19°; night, 12°; rain

19 December, fri

	764 mmHg		76%
	4.9 m/s		+21

19 December, Friday. day, 19°; night, 11°; clear

20 December, sat

	765 mmHg		75%
	5.3 m/s		+21

20 December, Saturday. day, 17°; night, 10°; clear

21 December, sun

	765 mmHg		75%
	5.4 m/s		+20

21 December, Sunday. day, 18°; night, 11°; rain

22 December, mon

	765 mmHg		76%
	5.1 m/s		+21

22 December, Monday. day, 18°; night, 11°; partly cloudy

23 December, tue

	765 mmHg		78%
	4.69 m/s		+21

23 December, Tuesday. day, 20°; night, 12°; partly cloudy

24 December, wed

	764 mmHg		77%
	5.4 m/s		+20

24 December, Wednesday. day, 19°; night, 12°; rain

25 December, thu

	764 mmHg		77%
	5.7 m/s		+20

25 December, Thursday. day, 18°; night, 12°; rain

26 December, fri

	764 mmHg		76%
	5.5 m/s		+20

26 December, Friday. day, 16°; night, 11°; partly cloudy

27 December, sat

	765 mmHg		75%
	4.9 m/s		+20

27 December, Saturday. day, 17°; night, 10°; clear

28 December, sun

	765 mmHg		77%
	4.8 m/s		+20

28 December, Sunday. day, 19°; night, 11°; clear

29 December, mon

	764 mmHg		78%
	5.1 m/s		+21

29 December, Monday. day, 19°; night, 12°; rain

30 December, tue

	764 mmHg		75%
	4.6 m/s		+20

30 December, Tuesday. day, 19°; night, 11°; clear

31 December, wed

	765 mmHg		78%
	4.4 m/s		+20

31 December, Wednesday. day, 19°; night, 12°; overcast

1 January, thu

	765 mmHg		79%
	4.6 m/s		+20

1 January, Thursday. day, 19°; night, 13°; overcast

2 January, fri

	765 mmHg		78%
	5 m/s		+20

2 January, Friday. day, 19°; night, 13°; overcast

3 January, sat

	764 mmHg		77%
	5.5 m/s		+18

3 January, Saturday. day, 18°; night, 12°; rain

Average data for 10 years

Saint Johns County December

11

sunny days

7

days with precipitation

8

cloudy days

11 sunny days; 7 days with precipitation; 8 cloudy days;

77

%

air humidity

3.6

m/s

WindS

62

mm of precipitation

(6% of annual average)

+21

°C

Water temperature

air humidity 77%; 62 millimeters of precipitation (6% of annual average); Wind southerly 3.6 Meters per second; Water temperature +21°

Weather graphs for December

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

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S

S

S

S

S

S

SE

S

S

S

S

SE

S

S

S

S

S

S

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

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

In December, the weather in Saint Johns County is typically warm. Average daily high temperature in December is about 19 degrees above zero. On average, Saint Johns County has 11 sunny, 9 partly cloudy, 7 rainy, and 4 cloudy days in December. The rains are usually moderate. December as well as March, April, and November is considered the most comfortable time to visit Saint Johns County.

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