Rosario weather records
Record high and low temperatures for Rosario, 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 41°C on 2022-01-13; its coldest fell to -6°C on 2024-07-10.
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 | 41°C2022-01-13
18°C2005-01-31
|
29°C2014-01-23
9°C1988-01-31
|
| February | 39°C2023-02-12
16°C2023-02-17
|
27°C2012-02-18
8°C2023-02-18
|
| March | 38°C2023-03-11
16°C1982-03-26
|
26°C1980-03-22
3°C2022-03-31
|
| April | 34°C2026-04-01
13°C2012-04-28
|
24°C2007-04-17
2°C1985-04-29
|
| May | 31°C1997-05-01
9°C2007-05-28
|
23°C1980-05-13
-2°C2008-05-30
|
| June | 27°C2013-06-13
7°C2012-06-17
|
21°C2024-06-13
-4°C2012-06-07
|
| July | 30°C2008-07-15
5°C2007-07-09
|
20°C1997-07-28
-6°C2024-07-10
|
| August | 34°C2009-08-30
6°C2011-08-01
|
23°C2024-08-02
-4°C1991-08-02
|
| September | 37°C2024-09-30
8°C1981-09-14
|
24°C2013-09-11
-1°C1983-09-08
|
| October | 37°C2020-10-18
12°C2020-10-04
|
26°C2009-10-30
1°C1999-10-04
|
| November | 38°C2022-11-26
13°C2023-11-01
|
24°C2008-11-26
4°C1992-11-05
|
| December | 39°C2022-12-09
18°C1980-12-19
|
26°C2019-12-28
7°C1999-12-06
|
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) | 41°C2022-01-13
16°C2023-02-17
|
29°C2014-01-23
7°C1999-12-06
|
| Autumn (Mar–May) | 38°C2023-03-11
9°C2007-05-28
|
26°C1980-03-22
-2°C2008-05-30
|
| Winter (Jun–Aug) | 34°C2009-08-30
5°C2007-07-09
|
23°C2024-08-02
-6°C2024-07-10
|
| Spring (Sep–Nov) | 38°C2022-11-26
8°C1981-09-14
|
26°C2009-10-30
-1°C1983-09-08
|
All-time records
The most extreme value Rosario 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.