Rio de Janeiro climate guide

Temperature in Rio de Janeiro (°C)

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Max temperature (daytime)
30°C maximum daytime temperature in January in Rio de Janeiro30
30°C maximum daytime temperature in February in Rio de Janeiro30
29°C maximum daytime temperature in March in Rio de Janeiro29
27°C maximum daytime temperature in April in Rio de Janeiro27
26°C maximum daytime temperature in May in Rio de Janeiro26
25°C maximum daytime temperature in June in Rio de Janeiro25
24°C maximum daytime temperature in July in Rio de Janeiro24
25°C maximum daytime temperature in August in Rio de Janeiro25
25°C maximum daytime temperature in September in Rio de Janeiro25
26°C maximum daytime temperature in October in Rio de Janeiro26
27°C maximum daytime temperature in November in Rio de Janeiro27
28°C maximum daytime temperature in December in Rio de Janeiro28
Min temperature (night-time)
21°C minimum night-time temperature in January in Rio de Janeiro21
21°C minimum night-time temperature in February in Rio de Janeiro21
21°C minimum night-time temperature in March in Rio de Janeiro21
19°C minimum night-time temperature in April in Rio de Janeiro19
17°C minimum night-time temperature in May in Rio de Janeiro17
16°C minimum night-time temperature in June in Rio de Janeiro16
16°C minimum night-time temperature in July in Rio de Janeiro16
16°C minimum night-time temperature in August in Rio de Janeiro16
17°C minimum night-time temperature in September in Rio de Janeiro17
18°C minimum night-time temperature in October in Rio de Janeiro18
19°C minimum night-time temperature in November in Rio de Janeiro19
20°C minimum night-time temperature in December in Rio de Janeiro20
Sea temperature
25°C sea temperature in January in Rio de Janeiro25
26°C sea temperature in February in Rio de Janeiro26
26°C sea temperature in March in Rio de Janeiro26
25°C sea temperature in April in Rio de Janeiro25
24°C sea temperature in May in Rio de Janeiro24
23°C sea temperature in June in Rio de Janeiro23
22°C sea temperature in July in Rio de Janeiro22
22°C sea temperature in August in Rio de Janeiro22
21°C sea temperature in September in Rio de Janeiro21
22°C sea temperature in October in Rio de Janeiro22
23°C sea temperature in November in Rio de Janeiro23
24°C sea temperature in December in Rio de Janeiro24

Sunshine & Daylight in Rio de Janeiro

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Daily hours of sunshine
6 hours of sunshine per day (48% of daylight hours) in January in Rio de Janeiro6
7 hours of sunshine per day (52% of daylight hours) in February in Rio de Janeiro7
6 hours of sunshine per day (52% of daylight hours) in March in Rio de Janeiro6
6 hours of sunshine per day (50% of daylight hours) in April in Rio de Janeiro6
6 hours of sunshine per day (53% of daylight hours) in May in Rio de Janeiro6
6 hours of sunshine per day (55% of daylight hours) in June in Rio de Janeiro6
6 hours of sunshine per day (56% of daylight hours) in July in Rio de Janeiro6
6 hours of sunshine per day (55% of daylight hours) in August in Rio de Janeiro6
5 hours of sunshine per day (40% of daylight hours) in September in Rio de Janeiro5
5 hours of sunshine per day (39% of daylight hours) in October in Rio de Janeiro5
5 hours of sunshine per day (41% of daylight hours) in November in Rio de Janeiro5
5 hours of sunshine per day (38% of daylight hours) in December in Rio de Janeiro5
Daily hours of daylight
13 hours of daylight per day in January in Rio de Janeiro13
13 hours of daylight per day in February in Rio de Janeiro13
12 hours of daylight per day in March in Rio de Janeiro12
12 hours of daylight per day in April in Rio de Janeiro12
11 hours of daylight per day in May in Rio de Janeiro11
11 hours of daylight per day in June in Rio de Janeiro11
11 hours of daylight per day in July in Rio de Janeiro11
11 hours of daylight per day in August in Rio de Janeiro11
12 hours of daylight per day in September in Rio de Janeiro12
13 hours of daylight per day in October in Rio de Janeiro13
13 hours of daylight per day in November in Rio de Janeiro13
14 hours of daylight per day in December in Rio de Janeiro14

Rainfall in Rio de Janeiro

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Number of days with some rain
20 days with some rainfall in January in Rio de Janeiro20
16 days with some rainfall in February in Rio de Janeiro16
15 days with some rainfall in March in Rio de Janeiro15
15 days with some rainfall in April in Rio de Janeiro15
12 days with some rainfall in May in Rio de Janeiro12
9 days with some rainfall in June in Rio de Janeiro9
9 days with some rainfall in July in Rio de Janeiro9
9 days with some rainfall in August in Rio de Janeiro9
11 days with some rainfall in September in Rio de Janeiro11
18 days with some rainfall in October in Rio de Janeiro18
19 days with some rainfall in November in Rio de Janeiro19
21 days with some rainfall in December in Rio de Janeiro21
Average monthly rainfall (mm)
203 mm monthly rainfall in January in Rio de Janeiro203
186 mm monthly rainfall in February in Rio de Janeiro186
183 mm monthly rainfall in March in Rio de Janeiro183
146 mm monthly rainfall in April in Rio de Janeiro146
107 mm monthly rainfall in May in Rio de Janeiro107
71 mm monthly rainfall in June in Rio de Janeiro71
66 mm monthly rainfall in July in Rio de Janeiro66
76 mm monthly rainfall in August in Rio de Janeiro76
96 mm monthly rainfall in September in Rio de Janeiro96
129 mm monthly rainfall in October in Rio de Janeiro129
159 mm monthly rainfall in November in Rio de Janeiro159
207 mm monthly rainfall in December in Rio de Janeiro207

More climate for Rio de Janeiro

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
UV Index (Maximum)
UV (maximum) index 11+ (Extreme) in January in Rio de Janeiro11
UV (maximum) index 11+ (Extreme) in February in Rio de Janeiro11
UV (maximum) index 11+ (Extreme) in March in Rio de Janeiro11
UV (maximum) index 9 (Very High) in April in Rio de Janeiro9
UV (maximum) index 7 (High) in May in Rio de Janeiro7
UV (maximum) index 5 (Moderate) in June in Rio de Janeiro5
UV (maximum) index 5 (Moderate) in July in Rio de Janeiro5
UV (maximum) index 7 (High) in August in Rio de Janeiro7
UV (maximum) index 10 (Very High) in September in Rio de Janeiro10
UV (maximum) index 11 (Extreme) in October in Rio de Janeiro11
UV (maximum) index 11+ (Extreme) in November in Rio de Janeiro11
UV (maximum) index 11+ (Extreme) in December in Rio de Janeiro11
Heat & Humidity
High heat & humidity in January in Rio de JaneiroH
High heat & humidity in February in Rio de JaneiroH
High heat & humidity in March in Rio de JaneiroH
Moderate heat & humidity in April in Rio de JaneiroM
Low heat & humidity in May in Rio de JaneiroL
Low heat & humidity in June in Rio de JaneiroL
No heat & humidity in July in Rio de Janeiro0
Low heat & humidity in August in Rio de JaneiroL
Low heat & humidity in September in Rio de JaneiroL
Low heat & humidity in October in Rio de JaneiroL
Moderate heat & humidity in November in Rio de JaneiroM
Moderate heat & humidity in December in Rio de JaneiroM

Note: 0 = None, L = Low, M = Moderate, H = High, VH = Very high, E = Extreme

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The climate guide for Rio de Janeiro, Brazil shows long term monthly weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C / mm)  |  Imperial (°F / inches)

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