Rio de Janeiro · Brazil

Rio de Janeiro in October: every year compared

In October, Rio de Janeiro averages highs of 29.0 °C and lows of 20.7 °C, with 121 mm of precipitation. The warmest October was 2002 (26.5 °C), the coldest 1947 (21.3 °C).

Avg. highAvg. high 29.0 °C

Avg. lowAvg. low 20.7 °C

PrecipitationPrecipitation 121 mm

Rainy daysRainy days 14

Day by day through October

Normal high and low for each day of October in Rio de Janeiro.

Normal high and low, day by dayNormal 1991–2020

Every October in Rio de Janeiro, ranked

86 months of October since 1940. The last one, 2025, ranks 50 of 86 (−0.8 °C vs normal).

194019832025

2025 · 23.5 °C · −0.8 °C vs normal · rank 50 of 86

Warmest years

1200226.5 °C
2196126.2 °C
3200025.9 °C
4200525.7 °C
5201225.6 °C

Coldest years

1194721.3 °C
2199921.6 °C
3196221.6 °C
4195022.0 °C
5195622.1 °C

All 86 years in a table

Year	Mean temperature	Daytime highs	Night lows	Precipitation	Hot days (30 °C+)	Rainy days
2025	23.5 °C	28.3 °C	19.6 °C	116 mm	13 days	16 days
2024	24.5 °C	29.1 °C	21.2 °C	147 mm	12 days	15 days
2023	25.0 °C	29.0 °C	22.1 °C	188 mm	16 days	19 days
2022	24.7 °C	29.2 °C	21.3 °C	133 mm	14 days	21 days
2021	22.8 °C	26.3 °C	20.1 °C	243 mm	6 days	24 days
2020	24.7 °C	29.2 °C	21.3 °C	102 mm	12 days	14 days
2019	25.4 °C	30.1 °C	21.8 °C	88 mm	17 days	14 days
2018	24.4 °C	28.0 °C	21.4 °C	158 mm	9 days	23 days
2017	25.6 °C	30.7 °C	21.6 °C	88 mm	19 days	9 days
2016	24.4 °C	28.5 °C	21.1 °C	115 mm	11 days	16 days
2015	25.6 °C	30.6 °C	21.7 °C	66 mm	17 days	12 days
2014	24.8 °C	30.1 °C	20.2 °C	36 mm	16 days	9 days
2013	23.6 °C	27.9 °C	20.2 °C	139 mm	9 days	18 days
2012	25.6 °C	31.4 °C	20.9 °C	36 mm	23 days	5 days
2011	23.8 °C	28.4 °C	20.1 °C	129 mm	14 days	19 days
2010	23.2 °C	27.5 °C	19.7 °C	116 mm	9 days	15 days
2009	24.1 °C	28.1 °C	21.2 °C	218 mm	10 days	22 days
2008	24.3 °C	28.9 °C	20.8 °C	163 mm	15 days	17 days
2007	24.6 °C	29.9 °C	20.5 °C	194 mm	17 days	11 days
2006	23.9 °C	27.8 °C	20.9 °C	100 mm	11 days	17 days
2005	25.7 °C	30.3 °C	22.3 °C	85 mm	15 days	11 days
2004	23.4 °C	27.5 °C	20.2 °C	137 mm	9 days	16 days
2003	23.8 °C	28.6 °C	20.2 °C	251 mm	13 days	17 days
2002	26.5 °C	32.3 °C	22.1 °C	79 mm	22 days	9 days
2001	23.4 °C	28.0 °C	19.8 °C	77 mm	7 days	13 days
2000	25.9 °C	31.0 °C	21.9 °C	67 mm	20 days	9 days
1999	21.6 °C	25.6 °C	18.3 °C	100 mm	5 days	15 days
1998	23.1 °C	26.8 °C	20.1 °C	125 mm	6 days	19 days
1997	24.2 °C	29.5 °C	20.4 °C	147 mm	16 days	14 days
1996	23.8 °C	28.7 °C	20.0 °C	95 mm	13 days	15 days
1995	22.7 °C	27.1 °C	19.5 °C	238 mm	8 days	20 days
1994	24.8 °C	29.6 °C	21.0 °C	121 mm	14 days	15 days
1993	24.9 °C	30.0 °C	21.0 °C	119 mm	17 days	11 days
1992	24.2 °C	28.5 °C	20.6 °C	156 mm	13 days	14 days
1991	24.1 °C	28.4 °C	20.1 °C	73 mm	13 days	11 days
1990	24.4 °C	28.8 °C	20.7 °C	145 mm	11 days	17 days
1989	22.3 °C	25.9 °C	19.3 °C	98 mm	6 days	16 days
1988	22.9 °C	26.6 °C	20.1 °C	154 mm	6 days	17 days
1987	23.8 °C	27.4 °C	20.8 °C	123 mm	6 days	17 days
1986	23.3 °C	27.6 °C	19.5 °C	68 mm	8 days	10 days
1985	23.6 °C	27.5 °C	20.5 °C	70 mm	7 days	16 days
1984	24.3 °C	28.4 °C	20.9 °C	82 mm	10 days	10 days
1983	23.1 °C	26.5 °C	20.4 °C	158 mm	5 days	18 days
1982	24.0 °C	28.3 °C	20.8 °C	129 mm	10 days	15 days
1981	22.4 °C	26.0 °C	19.6 °C	164 mm	6 days	19 days
1980	23.7 °C	27.9 °C	20.2 °C	130 mm	12 days	17 days
1979	24.4 °C	29.0 °C	20.9 °C	167 mm	11 days	15 days
1978	24.1 °C	29.2 °C	20.2 °C	102 mm	9 days	16 days
1977	24.4 °C	28.8 °C	21.0 °C	87 mm	9 days	13 days
1976	22.5 °C	26.5 °C	19.3 °C	151 mm	6 days	15 days
1975	23.1 °C	26.7 °C	20.3 °C	213 mm	6 days	21 days
1974	23.2 °C	27.3 °C	20.1 °C	137 mm	6 days	22 days
1973	22.7 °C	26.7 °C	19.5 °C	207 mm	7 days	18 days
1972	23.7 °C	28.0 °C	20.3 °C	125 mm	12 days	18 days
1971	22.3 °C	26.1 °C	19.1 °C	169 mm	4 days	17 days
1970	22.6 °C	25.9 °C	19.6 °C	81 mm	1 day	14 days
1969	22.2 °C	25.4 °C	19.5 °C	198 mm	4 days	25 days
1968	22.5 °C	26.4 °C	19.2 °C	94 mm	9 days	14 days
1967	25.2 °C	29.5 °C	21.6 °C	114 mm	18 days	13 days
1966	23.2 °C	27.1 °C	20.2 °C	142 mm	7 days	24 days
1965	23.4 °C	27.9 °C	19.9 °C	234 mm	13 days	20 days
1964	22.3 °C	25.7 °C	19.9 °C	290 mm	5 days	29 days
1963	24.4 °C	29.2 °C	21.2 °C	117 mm	14 days	17 days
1962	21.6 °C	25.3 °C	18.8 °C	213 mm	5 days	23 days
1961	26.2 °C	32.6 °C	21.6 °C	70 mm	23 days	12 days
1960	25.2 °C	30.5 °C	21.0 °C	79 mm	19 days	9 days
1959	24.0 °C	28.8 °C	20.6 °C	123 mm	11 days	18 days
1958	23.5 °C	28.2 °C	20.3 °C	179 mm	11 days	21 days
1957	24.1 °C	29.3 °C	20.2 °C	73 mm	12 days	11 days
1956	22.1 °C	26.4 °C	19.1 °C	124 mm	4 days	19 days
1955	22.3 °C	27.1 °C	18.9 °C	93 mm	11 days	14 days
1954	23.3 °C	27.7 °C	20.2 °C	176 mm	10 days	25 days
1953	23.8 °C	28.2 °C	20.7 °C	147 mm	12 days	21 days
1952	23.5 °C	27.5 °C	20.9 °C	256 mm	6 days	21 days
1951	23.7 °C	28.2 °C	20.5 °C	131 mm	13 days	20 days
1950	22.0 °C	25.7 °C	19.1 °C	237 mm	4 days	24 days
1949	22.4 °C	26.8 °C	19.3 °C	151 mm	7 days	17 days
1948	22.6 °C	26.9 °C	19.5 °C	196 mm	10 days	20 days
1947	21.3 °C	24.4 °C	19.2 °C	194 mm	0 days	25 days
1946	24.3 °C	28.9 °C	21.1 °C	110 mm	14 days	19 days
1945	24.4 °C	29.1 °C	21.1 °C	153 mm	13 days	21 days
1944	25.1 °C	29.9 °C	21.7 °C	150 mm	16 days	19 days
1943	22.3 °C	26.5 °C	19.0 °C	112 mm	6 days	17 days
1942	24.0 °C	29.8 °C	20.0 °C	138 mm	12 days	13 days
1941	23.0 °C	27.6 °C	19.9 °C	114 mm	12 days	16 days
1940	22.5 °C	26.3 °C	19.8 °C	226 mm	3 days	26 days

October records

Hottest day

39.9 °C

October 2, 2020 estimate

Coldest night

13.6 °C

October 5, 1950 estimate

Wettest day

91 mm

October 24, 2007 estimate

The weather on your birthday in Rio de Janeiro

Any day since 1940: high, low, rain, snow, and how warm it was compared with the same date in every other year.

Questions & answers

How warm is Rio de Janeiro in October?

Highs average 29.0 °C and lows 20.7 °C. A typical October brings 13 hot days (30 °C or more) and 0 frost days.

Does it rain a lot in Rio de Janeiro in October?

About 121 mm falls in October, over some 14 days with at least 1 mm. The wettest October was 1964 (290 mm), the driest 2012 (36 mm).

What was the warmest October in Rio de Janeiro?

2002, with a mean temperature of 26.5 °C. The coldest was 1947 (21.3 °C). The last one, 2025, ranks 50 of 86.