Weather in Rio de Janeiro

Calculated from weather data of Santos Dumont Airport (SBRJ) between 2020 and 2024.

Maximum temperatures (°F)

Month	Average	2024	2023	2022	2021	2020
January	88.0	85.0	84.0	85.0	88.0	85.0
February	87.0	86.0	86.0	83.0	84.0	85.0
March	86.0	84.0	85.0	87.0	87.0	81.0
April	83.0	82.0	81.0	82.0	81.0	80.0
May	80.0		78.0	78.0	78.0	78.0
June	79.0		77.0	75.0	77.0	79.0
July	78.0		77.0	79.0	74.0	78.0
August	78.0		78.0	76.0	77.0	78.0
September	81.0		83.0	75.0	79.0	81.0
October	81.0		80.0	81.0	76.0	80.0
November	82.0		83.0	79.0	78.0	80.0
December	84.0		84.0	82.0	81.0	83.0
Average	82.0	84.0	81.0	80.0	80.0	81.0

87th highest temperature of Brazil

Average highest temperature per day

The maximum temperature is typically observed some hours after noon.

Minimum temperatures (°F)

Month	Average	2024	2023	2022	2021	2020
January	75.0	75	74	76	77	73
February	74.0	77	75	75	74	73
March	74.0	75	75	76	76	73
April	72.0	73	73	73	72	72
May	70.0		69	69	69	68
June	68.0		68	66	68	70
July	67.0		67	68	64	69
August	66.0		68	66	67	68
September	69.0		71	66	70	73
October	71.0		72	72	69	73
November	71.0		74	69	69	72
December	73.0		74	71	73	75
Average	71.0	75.0	72.0	71.0	71.0	71.0

67th lowest temperature of Brazil

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
86 °F or warmer	30	51	48	47	44
77 °F or warmer	111	254	224	220	248
68 °F or warmer	121	363	350	358	364
32 °F or colder	0	0	0	0	0

Precipitation (%)

Month	Average	2024	2023	2022	2021	2020
January	6.3	10	13	10	1	8
February	5.2	3	2	6	5	12
March	4.2	7	1	2	2	8
April	3.9	1	9	4	3	3
May	4.8		8	4	5	6
June	4.2		1	8	4	3
July	3.7		6	2	2	6
August	8.2		13	9	5	5
September	6.7		4	17	1	5
October	8.0		12	4	14	7
November	8.0		6	8	11	3
December	6.7		5	7	10	12
Average	5.8	5.6	6.5	6.6	5.2	6.7

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 (miles per hour)

Month	Average	2024	2023	2022	2021	2020
January	8.9	9	9	9	9	9
February	8.6	9	9	9	9	8
March	8.7	9	9	10	9	9
April	8.2	8	9	9	9	8
May	7.5		8	8	8	8
June	7.0		7	7	7	7
July	7.7		8	8	8	8
August	7.9		8	8	9	9
September	8.9		9	9	10	9
October	9.1		10	9	9	10
November	9.2		10	10	10	9
December	9.5		10	9	10	9
Average	8.5	8.8	8.8	8.7	8.9	8.6

36th highest wind speed of Brazil

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	S	SE	S	SE	S
February	SE	SE	S	SE	S
March	S	SE	SE	SE	S
April	SE	S	S	S	S
May		S	SW	SE	S
June		SE	S	S	E
July		S	S	S	SE
August		SE	S	SE	S
September		S	S	S	SE
October		S	S	SE	S
November		S	SE	S	S
December		S	SE	S	S

Prevailing wind direction

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

Rio de Janeiro weather Q&A

What is the warmest month in Rio de Janeiro?

The warmest month is January with an average temperature of 88 °F over the past years.

What is the coldest month in Rio de Janeiro?

The coldest month is August with an average daytime temperature of 78 °F in the past few years.

Which month is the wettest in Rio de Janeiro?

Chance of precipitation is the highest in August with a probability of around 8.2 %.

Which month is the driest in Rio de Janeiro?

The least rainfall and snow can be expected in July. The probability is about 3.7 %.