Rosario weather forecast for 5 days

Rosario weather forecast for 5 days. ℃ Average temperatures % Humidity, precipitation ️ Sunrise and sunset ️ Wind direction and speed

21 October 2026, Wednesday
+15°C / +23°C
Hour
Temperature
Wind (km/h)
Humidity
Weather
Pressure
00:00
+18°C
15.3
67%
1013
01:00
+17°C
12.6
70%
1013
02:00
+16°C
11.7
74%
1013
03:00
+16°C
13.9
76%
1012
04:00
+15°C
12.5
78%
1012
05:00
+16°C
13.8
76%
1012
06:00
+16°C
13.8
75%
1012
07:00
+16°C
14.3
74%
1013
08:00
+16°C
14.2
73%
1013
09:00
+17°C
14.7
70%
1014
10:00
+19°C
14.5
65%
1014
11:00
+20°C
14.4
62%
1014
12:00
+21°C
14.6
60%
1014
13:00
+22°C
16.7
58%
1013
14:00
+21°C
16.2
60%
1013
15:00
+23°C
16.7
58%
1012
16:00
+22°C
18.6
59%
1012
17:00
+22°C
18.2
60%
1012
18:00
+21°C
17.8
64%
1012
19:00
+20°C
16.5
70%
1012
20:00
+19°C
16.2
73%
1012
21:00
+18°C
16.4
77%
1013
22:00
+18°C
16
79%
1013
23:00
+18°C
14.5
79%
1013
22 October 2026, Thursday
+16°C / +22°C
Hour
Temperature
Wind (km/h)
Humidity
Weather
Pressure
00:00
+17°C
13.3
79%
1013
01:00
+17°C
11.6
81%
1013
02:00
+17°C
8.5
84%
1013
03:00
+16°C
8.5
86%
1012
04:00
+16°C
11.6
87%
1011
05:00
+16°C
11.1
88%
1011
06:00
+16°C
11.5
87%
1011
07:00
+16°C
14.1
86%
1011
08:00
+17°C
12.1
81%
1011
09:00
+19°C
13.7
75%
1011
10:00
+20°C
16
73%
1011
11:00
+21°C
16.6
70%
1010
12:00
+22°C
16.9
71%
1009
13:00
+21°C
16.2
75%
1008
14:00
+21°C
15.4
85%
1007
15:00
+21°C
16.6
86%
1007
16:00
+20°C
18.2
93%
1006
17:00
+19°C
15.9
95%
1006
18:00
+19°C
19.9
95%
1006
19:00
+19°C
19.4
94%
1005
20:00
+18°C
15.4
94%
1006
21:00
+18°C
14.3
93%
1006
22:00
+18°C
12.2
93%
1007
23:00
+17°C
7.4
94%
1007
23 October 2026, Friday
+17°C / +23°C
Hour
Temperature
Wind (km/h)
Humidity
Weather
Pressure
00:00
+17°C
6.8
96%
1007
01:00
+17°C
7.2
97%
1006
02:00
+17°C
8.3
97%
1006
03:00
+17°C
7.3
97%
1006
04:00
+17°C
7.2
97%
1005
05:00
+17°C
6.8
98%
1006
06:00
+17°C
9.7
98%
1006
07:00
+17°C
10.1
97%
1006
08:00
+18°C
9.6
94%
1006
09:00
+19°C
7.3
87%
1006
10:00
+21°C
6
79%
1006
11:00
+22°C
8.9
75%
1006
12:00
+23°C
9.7
73%
1006
13:00
+23°C
8.9
72%
1006
14:00
+23°C
11.3
72%
1005
15:00
+23°C
11.3
75%
1005
16:00
+23°C
13.4
73%
1005
17:00
+23°C
12.6
72%
1005
18:00
+23°C
12
70%
1005
19:00
+22°C
7.7
76%
1005
20:00
+20°C
6.7
83%
1006
21:00
+19°C
9.7
85%
1007
22:00
+19°C
13.4
82%
1008
23:00
+18°C
11.7
86%
1008
24 October 2026, Saturday
+15°C / +20°C
Hour
Temperature
Wind (km/h)
Humidity
Weather
Pressure
00:00
+18°C
11.9
89%
1008
01:00
+17°C
12.5
92%
1008
02:00
+17°C
11.4
93%
1008
03:00
+16°C
9.7
93%
1008
04:00
+16°C
10.8
93%
1009
05:00
+15°C
11.6
93%
1009
06:00
+15°C
13.6
93%
1010
07:00
+15°C
14.9
92%
1011
08:00
+15°C
16.8
89%
1012
09:00
+16°C
16.4
83%
1013
10:00
+17°C
17
76%
1013
11:00
+19°C
18.2
69%
1013
12:00
+18°C
18
69%
1013
13:00
+19°C
17.9
66%
1013
14:00
+20°C
15.8
64%
1012
15:00
+20°C
17.3
63%
1012
16:00
+20°C
16.4
65%
1012
17:00
+20°C
16
68%
1012
18:00
+19°C
15.8
71%
1012
19:00
+19°C
14.3
74%
1013
20:00
+18°C
12.1
77%
1013
21:00
+17°C
10.6
80%
1014
22:00
+16°C
10.5
81%
1015
23:00
+16°C
10.9
82%
1015
25 October 2026, Sunday
+13°C / +19°C
Hour
Temperature
Wind (km/h)
Humidity
Weather
Pressure
00:00
+15°C
11.3
83%
1016
01:00
+15°C
11.2
84%
1016
02:00
+14°C
11.1
86%
1016
03:00
+13°C
10.7
87%
1016
04:00
+13°C
10.1
90%
1016
05:00
+13°C
9.4
93%
1016
06:00
+13°C
9.3
94%
1017
07:00
+13°C
10.2
92%
1018
08:00
+14°C
11.7
88%
1018
09:00
+15°C
12.6
84%
1019
10:00
+16°C
12.5
78%
1019
11:00
+16°C
12
72%
1019
12:00
+17°C
11.5
67%
1019
13:00
+18°C
11
63%
1018
14:00
+19°C
10.5
59%
1018
15:00
+19°C
10.5
57%
1017
16:00
+19°C
11.4
57%
1017
17:00
+19°C
12.8
59%
1017
18:00
+18°C
13.6
61%
1017
19:00
+17°C
13.2
63%
1017
20:00
+16°C
12
67%
1018
21:00
+15°C
11.1
71%
1018
22:00
+14°C
10.8
74%
1019
23:00
+14°C
10.5
77%
1019


Climate Characteristics of Rosario

General Overview

Rosario features a humid subtropical climate. The city enjoys moderate temperatures throughout much of the year but is known for hot, very humid summers and relatively short, mild winters. Its location on the banks of the Paraná River contributes to high humidity and frequent mists, especially during autumn and winter.

Summer and Rainy Season (November to March)

Summer in Rosario is very hot and often oppressive due to high humidity. Daytime temperatures range between 30°C and 32°C (86-90°F), though heatwaves can easily push them above 35°C (95°F). This is the wettest season, with most rainfall occurring as intense and sudden afternoon or evening thunderstorms.

Winter Season (June to August)

Winter in Rosario is mild and quite pleasant. Daytime temperatures range from 16°C to 18°C (61-64°F), while nighttime lows drop to 7°C (45°F) on average. Snow is an extremely rare event in Rosario, but frost may occur in the early mornings at the peak of the season. Sunny and clear days are very common in winter.

Transition Seasons (April-May and September-October)

Autumn and spring are considered the most beautiful times to visit the city. The weather is balanced and very comfortable for activities along the river (around 22°C to 24°C / 72-75°F). In spring, nature blooms and the air is fresh, while autumn brings clear skies and pleasant evenings.

 

 

 

Weather in Rosario by Month

January

Peak of summer. Very hot and humid. 32°C (90°F) daytime and 20°C (68°F) at night. Sudden thunderstorms are common.

February

Still hot and humid (30°C/86°F daytime). Many sunny days allowing for river beach activities.

March

Start of autumn. Warm and pleasant (28°C/82°F daytime). Humidity begins to decrease gradually.

April

One of the best months. Clear days and a comfortable temperature of 24°C (75°F) daytime.

May

Cool and pleasant autumn (20°C/68°F daytime). Nights become significantly cooler (10°C/50°F).

June

Start of winter. Mild and cool (16°C/61°F daytime and 8°C/46°F at night). Morning mists common near the river.

July

The coldest month. 16°C (61°F) daytime and 7°C (45°F) at night. Mostly sunny days.

August

Slight warming (19°C/66°F daytime). Mostly dry and clear weather.

September

Start of spring. 21°C (70°F) daytime. Renewal and blooming throughout the city.

October

A wonderful month. 25°C (77°F) daytime. Ideal weather for tours and outdoor activities.

November

Warm and wetter spring (28°C/82°F daytime). Humidity rises toward summer.

December

Start of summer. Hot (30°C/86°F daytime). Vibrant city atmosphere leading up to the holidays.

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