Rio de Janeiro weather records
Record high and low temperatures for Rio de Janeiro, by month, by season, and all-time, with the dates they occurred, across 1980–2026 of daily climate history. Its hottest day on record reached 37°C on 2023-11-18; its coldest fell to 12°C on 2000-07-18.
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 | 36°C2014-01-03
22°C2012-01-28
|
28°C2017-01-02
20°C2012-01-30
|
| February | 36°C2010-02-08
23°C2021-02-06
|
28°C1994-02-17
20°C1991-02-25
|
| March | 35°C2010-03-14
22°C2008-03-15
|
28°C2006-03-05
19°C2000-03-14
|
| April | 34°C2019-04-28
22°C1982-04-28
|
27°C1986-04-14
16°C2014-04-30
|
| May | 34°C2024-05-13
20°C1999-05-31
|
25°C1993-05-05
15°C2020-05-27
|
| June | 32°C2019-06-26
18°C1996-06-29
|
23°C2019-06-01
12°C1994-06-27
|
| July | 34°C2023-07-13
17°C1989-07-08
|
23°C2013-07-21
12°C2000-07-18
|
| August | 35°C2023-08-24
17°C1984-08-28
|
23°C2005-08-31
13°C1996-08-03
|
| September | 37°C1997-09-09
18°C1990-09-15
|
24°C2023-09-27
14°C2011-09-04
|
| October | 37°C2020-10-02
19°C1999-10-04
|
25°C2014-10-31
16°C2025-10-21
|
| November | 37°C2023-11-18
20°C1988-11-05
|
27°C2023-11-18
16°C2011-11-03
|
| December | 36°C2015-12-31
20°C1985-12-04
|
27°C2016-12-30
18°C1985-12-06
|
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) | 36°C2010-02-08
20°C1985-12-04
|
28°C1994-02-17
18°C1985-12-06
|
| Autumn (Mar–May) | 35°C2010-03-14
20°C1999-05-31
|
28°C2006-03-05
15°C2020-05-27
|
| Winter (Jun–Aug) | 35°C2023-08-24
17°C1989-07-08
|
23°C2005-08-31
12°C2000-07-18
|
| Spring (Sep–Nov) | 37°C2023-11-18
18°C1990-09-15
|
27°C2023-11-18
14°C2011-09-04
|
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
Gust
Precip
For rainfall, the “driest” figure is the longest run of consecutive days without measurable rain, dated to when that dry spell began.