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The climate of the state of Rio de Janeiro: when to go

The climate of the state of Rio de Janeiro is hot and humid along the coast, while it is temperate and humid in the interior at higher altitudes. The flat areas of the state have a semi-humid tropical climate, with heavy rains in the summer months (December-March) and a dry winter.

In the internal areas of the state of Rio de Janeiro and in the highest areas there is a tropical climate of high altitude, with rainy summers and dry winters, temperatures drop slightly with increasing height, the average annual rainfall is about 1,500-2,400 mm.

In the area of the city of Rio de Janeiro the climate is of a tropical maritime type with rains during the summer months, between December and April, on average the city has over 1,100 mm of rain per year.

Along the northern coast of the state, rainfall tends to decrease, in the Cabo Frio area there are less than 800 mm of rain per year relatively well distributed, but with maximums between October and January.

The southern coast of the state is much more rainy, in this area it exceeds 2,000 mm of rainfall a year, the rainiest months are between October and April.

Temperatures vary with varying heights, and touch very low values in the area of the Itatiaia National Park (Parque Nacional de Itatiaia), where the Pico das Agulhas Negras (2,791 meters) is located, the highest mountain in the state of Rio de Janeiro, where it can rarely snow in winter. In this area the rains are concentrated between November and March, while between March and August they are very rare, the average annual rainfall in the town of Itatiaia is around 1,500 mm.

WHEN TO GO IN THE STATE OF RIO DE JANEIRO

The best time to travel to the state of Rio de Janeiro are the coolest and least rainy months from May to October / November.

Climate of the city of Rio de Janeiro.

THE CLIMATE OF THE STATE OF RIO DE JANEIRO: CLIMATE TABLES

CLIMATE TABLES: RIO DE JANEIRO

RIO DE JANEIRO (5 meters)
MonthAverage low (°C)Average high (°C)Precip. (mm)Precip. days
January23,330,2137,1 11
February23,530,2130,4 7
March23,329,4135,8 8
April21,927,894,9 9
May20,426,469,8 6
June18,725,242,7 6
July18,425,041,9 4
August18,925,544,5 5
September19,225,453,6 7
October20,226,089,5 9
November21,427,497,8 10
December22,428,6134,2 11
YEAR21,027,31069,4 93

CLIMATE TABLES: PETRÓPOLIS

PETRÓPOLIS (838 meters)
MonthAverage low (°C)Average high (°C)Precip. (mm)Precip. days
January17,526,8321
February17,527,5309
March17,127,1288
April15,725,7168
May13,122,7111
June11,922,378
July11,321,563
August12,123,279
September13,323,351
October15,025,1178
November15,925,1257
December17,026,1360
YEAR14,824,72263

CLIMATE TABLES: CABO FRIO

CABO FRIO (4 meters)
MonthAverage low (°C) Average high (°C)Precip. (mm)Precip. days
January222978
February232944
March232953
April212778
May202669
June192544
July192545
August192436
September192461
October202581
November212681
December2228101
YEAR771

CLIMATE TABLES: PARATY

PARATY (5 meters)
MonthAverage low (°C)Average high (°C)Precip. (mm)Precip. days
January2229280
February2329272
March2329271
April2127220
May2026142
June192585
July192595
August1924106
September1924124
October2025227
November2126244
December2228304
YEAR2370

CLIMATE TABLES: ITATIAIA

ITATIAIA (505 meters)
MonthAverage low (°C)Average high (°C)Precip. (mm)Precip. days
January1827268
February1827250
March1827207
April152582
May122437
June102325
July102216
August112310
September132454
October1525118
November1626230
December1726242
YEAR1539

SEA WATER TEMPERATURE

RIO DE JANEIRO
MonthSea Water Temperature °C
January26
February26
March26
April26
May24
June23
July22
August21
September22
October22
November23
December25

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