Weather in Buenos Aires

Calculated from weather data of San Fernando Airport (SADF) between 2020 and 2024.

Maximum temperatures (°C)

Month	Average	2024	2023	2022	2021	2020
January	29.6	29.1	30.8	30.5	29.5	29.5
February	28.5	29.3	30.1	27.3	27.6	28.8
March	26.5	26.3	30.5	24.8	25.5	28.1
April	23.1		22.6	22.1	24.1	22.1
May	19.1		19.6	17.6	18.5	20.0
June	16.1		16.6	14.8	15.0	16.6
July	15.6		16.0	16.1	16.6	14.8
August	17.6		18.1	17.8	17.8	18.6
September	19.3		18.1	20.1	18.8	18.8
October	21.9		22.3	22.3	23.3	21.1
November	26.0		25.1	27.8	26.1	25.8
December	28.1		26.6	29.8	29.0	28.3
Average	23.3	28.3	23.0	22.3	22.6	22.7

15th highest temperature of Argentina

Average highest temperature per day

The maximum temperature is typically observed some hours after noon.

Minimum temperatures (°C)

Month	Average	2024	2023	2022	2021	2020
January	19.9	20	21	21	19	20
February	18.7	21	19	17	18	18
March	17.3	18	22	15	17	19
April	14.2		14	12	15	13
May	10.1		11	8	8	10
June	7.3		8	4	7	8
July	7.3		9	8	6	6
August	7.9		8	7	7	8
September	10.5		10	9	12	9
October	12.4		12	12	12	12
November	15.8		15	16	16	16
December	18.0		18	19	20	17
Average	14.0	19.7	13.7	12.0	13.0	12.9

14th lowest temperature of Argentina

Average lowest temperature per day

The minimum temperature is typically observed just before sunrise.

Cold and hot days

Number of days	2024	2023	2022	2021	2020
30 °C or warmer	20	53	33	37	40
25 °C or warmer	74	142	112	123	132
20 °C or warmer	91	222	209	225	230
0 °C or colder	0	2	5	1	4

Precipitation (%)

Month	Average	2024	2023	2022	2021	2020
January	4.0	3	3	6	5	3
February	4.2	3	2	10	5	1
March	3.7	7	1	7	5	4
April	5.5		4	4	3	6
May	6.6		9	2	4	2
June	5.1		2	0	3	8
July	8.5		6	10	3	4
August	3.0		3	0	2	2
September	5.5		8	2	11	5
October	5.8		5	3	5	5
November	3.5		7	2	6	1
December	2.9		6	1	0	1
Average	4.7	4.3	4.6	4.1	4.2	3.2

Precipitation during daylight period

Percentage of observations with observed rain, drizzle, snow or hail. Only observations between sunrise and sunset are taken into account.

Wind speed (km/h)

Month	Average	2024	2023	2022	2021	2020
January	15.4	17	16	16	16	16
February	13.9	17	15	15	14	15
March	13.8	15	15	15	13	14
April	12.7		13	13	13	15
May	12.3		12	13	13	15
June	12.6		11	12	14	14
July	13.9		16	14	14	14
August	14.6		17	15	14	16
September	15.7		18	14	17	16
October	16.0		18	18	15	18
November	16.1		18	17	16	17
December	15.6		17	16	16	17
Average	14.7	16.2	15.6	14.8	14.6	15.5

11th highest wind speed of Argentina

Average wind speed

Excluding wind gusts. Only observations between sunrise and sunset are taken into account.

Prevailing wind direction

Month	2024	2023	2022	2021	2020
January	E	E	E	E	NE
February	E	NE	SE	SE	NE
March	E	NE	NW	E	NE
April		NE	N	NE	E
May		NE	S	SW	W
June		SW	W	S	SE
July		E	E	W	W
August		E	E	E	NE
September		SE	NE	E	E
October		E	SE	E	E
November		E	E	E	E
December		E	E	E	NE

Prevailing wind direction

Average wind direction, weighed by wind speed. Only observations between sunrise and sunset are taken into account.

Buenos Aires weather Q&A

What is the warmest month in Buenos Aires?

The warmest month is January with an average temperature of 30 °C over the past years.

What is the coldest month in Buenos Aires?

The coldest month is July with an average daytime temperature of 16 °C in the past few years.

Which month is the wettest in Buenos Aires?

Chance of precipitation is the highest in July with a probability of around 8.5 %.

Which month is the driest in Buenos Aires?

The least rainfall and snow can be expected in December. The probability is about 2.9 %.