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December weather forecast in Buenos Aires

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		69%
	7.1 m/s		+24

30 November, Sunday. day, 24°; night, 18°; clear

1 December, mon

	759 mmHg		68%
	7 m/s		+24

1 December, Monday. day, 24°; night, 18°; rain

2 December, tue

	758 mmHg		68%
	6 m/s		+23

2 December, Tuesday. day, 24°; night, 18°; partly cloudy

3 December, wed

	758 mmHg		68%
	7 m/s		+24

3 December, Wednesday. day, 24°; night, 18°; rain

4 December, thu

	758 mmHg		68%
	6.6 m/s		+23

4 December, Thursday. day, 24°; night, 18°; clear

5 December, fri

	759 mmHg		67%
	6.7 m/s		+24

5 December, Friday. day, 24°; night, 17°; clear

6 December, sat

	759 mmHg		65%
	6.3 m/s		+24

6 December, Saturday. day, 25°; night, 17°; clear

7 December, sun

	758 mmHg		64%
	6.5 m/s		+24

7 December, Sunday. day, 25°; night, 18°; clear

8 December, mon

	759 mmHg		63%
	6.7 m/s		+25

8 December, Monday. day, 25°; night, 18°; clear

9 December, tue

	759 mmHg		65%
	6.1 m/s		+25

9 December, Tuesday. day, 25°; night, 18°; clear

10 December, wed

	758 mmHg		64%
	6.7 m/s		+25

10 December, Wednesday. day, 26°; night, 19°; clear

11 December, thu

	758 mmHg		66%
	6.8 m/s		+24

11 December, Thursday. day, 26°; night, 20°; rain

12 December, fri

	757 mmHg		65%
	7 m/s		+25

12 December, Friday. day, 26°; night, 19°; partly cloudy

13 December, sat

	757 mmHg		68%
	6.8 m/s		+25

13 December, Saturday. day, 25°; night, 19°; rain

14 December, sun

	757 mmHg		70%
	6.5 m/s		+25

14 December, Sunday. day, 26°; night, 19°; partly cloudy

15 December, mon

	758 mmHg		68%
	6.7 m/s		+25

15 December, Monday. day, 26°; night, 20°; clear

16 December, tue

	758 mmHg		68%
	7 m/s		+25

16 December, Tuesday. day, 25°; night, 19°; clear

17 December, wed

	758 mmHg		68%
	6.8 m/s		+25

17 December, Wednesday. day, 25°; night, 19°; clear

18 December, thu

	758 mmHg		68%
	6.8 m/s		+25

18 December, Thursday. day, 26°; night, 19°; partly cloudy

19 December, fri

	757 mmHg		69%
	7.2 m/s		+26

19 December, Friday. day, 25°; night, 19°; rain

20 December, sat

	757 mmHg		69%
	6.5 m/s		+26

20 December, Saturday. day, 26°; night, 20°; clear

21 December, sun

	757 mmHg		66%
	6.9 m/s		+26

21 December, Sunday. day, 26°; night, 20°; rain

22 December, mon

	758 mmHg		67%
	6.7 m/s		+26

22 December, Monday. day, 25°; night, 19°; clear

23 December, tue

	758 mmHg		67%
	6.5 m/s		+26

23 December, Tuesday. day, 26°; night, 19°; clear

24 December, wed

	758 mmHg		67%
	6.3 m/s		+26

24 December, Wednesday. day, 26°; night, 20°; clear

25 December, thu

	758 mmHg		66%
	6.6 m/s		+26

25 December, Thursday. day, 26°; night, 20°; clear

26 December, fri

	758 mmHg		68%
	6.5 m/s		+26

26 December, Friday. day, 27°; night, 20°; clear

27 December, sat

	757 mmHg		70%
	5.7 m/s		+26

27 December, Saturday. day, 27°; night, 21°; partly cloudy

28 December, sun

	757 mmHg		70%
	6 m/s		+27

28 December, Sunday. day, 27°; night, 21°; partly cloudy

29 December, mon

	756 mmHg		69%
	5.9 m/s		+26

29 December, Monday. day, 27°; night, 21°; overcast

30 December, tue

	757 mmHg		67%
	6.7 m/s		+27

30 December, Tuesday. day, 27°; night, 21°; rain

31 December, wed

	758 mmHg		67%
	7.4 m/s		+27

31 December, Wednesday. day, 26°; night, 21°; rain

1 January, thu

	758 mmHg		68%
	7 m/s		+27

1 January, Thursday. day, 26°; night, 21°; overcast

2 January, fri

	758 mmHg		69%
	6.2 m/s		+27

2 January, Friday. day, 27°; night, 20°; clear

3 January, sat

	758 mmHg		68%
	6.7 m/s		+27

3 January, Saturday. day, 27°; night, 21°; clear

Average data for 10 years

Buenos Aires December

16

sunny days

8

days with precipitation

3

cloudy days

16 sunny days; 8 days with precipitation; 3 cloudy days;

67

%

air humidity

4.5

m/s

WindSE

87

mm of precipitation

(9% of annual average)

+25

°C

Water temperature

air humidity 67%; 87 millimeters of precipitation (9% of annual average); Wind south-easterly 4.5 Meters per second; Water temperature +25°

Weather graphs for December

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

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SE

SE

SE

SE

SE

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SE

1

Average data for 10 years

2

3

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31

Daytime temperature

Night-time temperature

Cities near you

Florida
Montevideo
Mar del Plata
Punta del Este
Rosario
Santa Teresita
Carilo
Maldonado
La Plata

Cities with similar weather in December

Nha Trang
Sanya
Miami
Varadero
Havana
Miami Beach
Puerto Plata
Brisbane
Honolulu

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

In December, the weather in Buenos Aires is typically warm. Average daily high temperature in December is about 26 degrees above zero. On average, Buenos Aires has 16 sunny, 8 rainy, 6 partly cloudy, and 1 cloudy day in December. The rains are usually heavy. December as well as January and November is considered the most comfortable time to visit Buenos Aires.

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