Rio de Janeiro, Brazil weather records
Record high and low temperatures for Rio de Janeiro, Brazil, by month, by season, and all-time, with the dates they occurred, across 1981–2026 of daily climate history. Its hottest day on record reached 40°C on 2023-11-18; its coldest fell to 12°C on 1983-08-07.
Records by month
The warmest (▲) and coldest (▼) both the daytime high and the overnight low have ever been in each calendar month, so each column shows its record high and its record low. Tap a month for its full averages and typical range.
| Month | Daytime high | Overnight low |
|---|---|---|
| January | 37°C2015-01-01
22°C2023-01-07
|
27°C1988-01-30
20°C1985-01-11
|
| February | 34°C2006-02-06
23°C2020-02-11
|
26°C1998-02-10
20°C1982-02-10
|
| March | 35°C2024-03-21
22°C1991-03-28
|
27°C2019-03-19
19°C1988-03-23
|
| April | 34°C1986-04-14
22°C1983-04-22
|
26°C1993-04-08
18°C1982-04-21
|
| May | 34°C2024-05-02
20°C1987-05-25
|
25°C1987-05-08
15°C2022-05-18
|
| June | 31°C2015-06-18
17°C1994-06-26
|
23°C1992-06-07
13°C1994-06-27
|
| July | 32°C1984-07-06
17°C1990-07-31
|
22°C2013-07-21
13°C1988-07-31
|
| August | 36°C2005-08-30
16°C1999-08-15
|
22°C2023-08-24
12°C1983-08-07
|
| September | 37°C2023-09-27
18°C1983-09-09
|
23°C2023-09-27
14°C1991-09-06
|
| October | 38°C2005-10-14
19°C1995-10-30
|
24°C2024-10-25
16°C1982-10-20
|
| November | 40°C2023-11-18
20°C1992-11-06
|
27°C2023-11-18
17°C2011-11-05
|
| December | 37°C2023-12-07
21°C1985-12-04
|
25°C2002-12-02
18°C1985-12-05
|
Records by season
The warmest (▲) and coldest (▼) both the daytime high and the overnight low have reached in each meteorological season (Southern Hemisphere, each a three-month span).
| Season | Daytime high | Overnight low |
|---|---|---|
| Summer (Dec–Feb) | 37°C2023-12-07
21°C1985-12-04
|
27°C1988-01-30
18°C1985-12-05
|
| Autumn (Mar–May) | 35°C2024-03-21
20°C1987-05-25
|
27°C2019-03-19
15°C2022-05-18
|
| Winter (Jun–Aug) | 36°C2005-08-30
16°C1999-08-15
|
23°C1992-06-07
12°C1983-08-07
|
| Spring (Sep–Nov) | 40°C2023-11-18
18°C1983-09-09
|
27°C2023-11-18
14°C1991-09-06
|
All-time records
The most extreme value Rio de Janeiro has recorded for each metric across its entire history.
High
Low
Feels-like
Humidity
Wind
Precip
For rainfall, the “driest” figure is the longest run of consecutive days without measurable rain, dated to when that dry spell began.