Rosario weather forecast for 5 days

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

22 May 2026, Friday
+4°C / +12°C
Hour
Temperature
Wind (km/h)
Humidity
Weather
Pressure
00:00
+6°C
6.4
85%
1028
01:00
+6°C
5.8
87%
1028
02:00
+6°C
6
89%
1028
03:00
+5°C
6.2
90%
1028
04:00
+5°C
5.7
91%
1028
05:00
+4°C
5.3
92%
1027
06:00
+4°C
5.2
93%
1027
07:00
+4°C
5.3
93%
1027
08:00
+4°C
4.8
94%
1027
09:00
+6°C
6.6
91%
1028
10:00
+7°C
4.9
82%
1028
11:00
+9°C
5.3
75%
1028
12:00
+11°C
5.9
68%
1028
13:00
+12°C
5.6
61%
1027
14:00
+12°C
5.4
57%
1026
15:00
+12°C
4.9
56%
1026
16:00
+12°C
5.3
57%
1025
17:00
+12°C
6.3
59%
1025
18:00
+10°C
4.2
71%
1025
19:00
+9°C
3.5
78%
1025
20:00
+8°C
2.5
81%
1025
21:00
+7°C
2.1
85%
1025
22:00
+7°C
3.5
87%
1026
23:00
+6°C
5.6
89%
1026
23 May 2026, Saturday
+4°C / +14°C
Hour
Temperature
Wind (km/h)
Humidity
Weather
Pressure
00:00
+6°C
5.9
88%
1026
01:00
+6°C
6.1
88%
1026
02:00
+5°C
5.4
90%
1026
03:00
+5°C
4.9
91%
1025
04:00
+5°C
4.5
92%
1025
05:00
+5°C
5.8
94%
1024
06:00
+4°C
6.3
94%
1024
07:00
+4°C
5.9
94%
1024
08:00
+4°C
6.2
95%
1025
09:00
+6°C
8.4
92%
1025
10:00
+8°C
6.3
86%
1025
11:00
+10°C
6.5
76%
1025
12:00
+12°C
8.2
65%
1025
13:00
+13°C
8.7
59%
1024
14:00
+13°C
8.3
57%
1023
15:00
+14°C
8.1
57%
1022
16:00
+13°C
8
58%
1021
17:00
+13°C
8.8
61%
1021
18:00
+11°C
5.8
74%
1021
19:00
+10°C
7
79%
1021
20:00
+9°C
6.7
81%
1021
21:00
+8°C
5.8
82%
1021
22:00
+8°C
6.4
85%
1021
23:00
+8°C
7.7
86%
1021
24 May 2026, Sunday
+6°C / +16°C
Hour
Temperature
Wind (km/h)
Humidity
Weather
Pressure
00:00
+8°C
8.3
87%
1021
01:00
+8°C
7.8
88%
1020
02:00
+8°C
7.5
87%
1020
03:00
+7°C
6.1
89%
1020
04:00
+7°C
6.6
92%
1019
05:00
+6°C
6
94%
1019
06:00
+6°C
5
95%
1019
07:00
+7°C
7.4
96%
1019
08:00
+7°C
6.5
97%
1019
09:00
+8°C
8.2
96%
1020
10:00
+10°C
6.1
91%
1020
11:00
+12°C
6.1
82%
1020
12:00
+14°C
7.2
74%
1019
13:00
+15°C
10.8
60%
1019
14:00
+16°C
9.4
58%
1018
15:00
+16°C
8.8
59%
1017
16:00
+15°C
8.9
62%
1017
17:00
+15°C
8
63%
1017
18:00
+13°C
0.4
73%
1017
19:00
+11°C
2
79%
1017
20:00
+10°C
4.7
84%
1017
21:00
+10°C
4.1
86%
1017
22:00
+9°C
4.8
87%
1017
23:00
+9°C
5.3
89%
1017
25 May 2026, Monday
+7°C / +16°C
Hour
Temperature
Wind (km/h)
Humidity
Weather
Pressure
00:00
+9°C
3.8
89%
1018
01:00
+9°C
4.5
91%
1018
02:00
+9°C
4.9
93%
1018
03:00
+9°C
5
94%
1017
04:00
+8°C
4.7
95%
1017
05:00
+8°C
1.8
97%
1017
06:00
+8°C
1
98%
1017
07:00
+7°C
1.9
99%
1018
08:00
+7°C
4
100%
1018
09:00
+8°C
4
99%
1019
10:00
+10°C
3.9
98%
1019
11:00
+12°C
3.3
93%
1020
12:00
+13°C
1.5
89%
1020
13:00
+13°C
1.5
87%
1020
14:00
+15°C
2.1
81%
1019
15:00
+16°C
5.6
75%
1018
16:00
+16°C
7.1
72%
1018
17:00
+16°C
6.9
73%
1018
18:00
+14°C
3.1
83%
1018
19:00
+13°C
1.7
87%
1019
20:00
+11°C
2.1
91%
1019
21:00
+11°C
2.7
94%
1020
22:00
+10°C
3.5
96%
1020
23:00
+9°C
4.2
98%
1021
26 May 2026, Tuesday
+7°C / +16°C
Hour
Temperature
Wind (km/h)
Humidity
Weather
Pressure
00:00
+9°C
4.8
99%
1021
01:00
+8°C
5
100%
1021
02:00
+8°C
5.2
100%
1021
03:00
+7°C
5.5
100%
1021
04:00
+7°C
5.9
100%
1021
05:00
+7°C
6.4
100%
1020
06:00
+7°C
6.6
99%
1020
07:00
+7°C
6.3
99%
1021
08:00
+7°C
5.8
98%
1021
09:00
+7°C
4.8
97%
1022
10:00
+8°C
3.2
96%
1022
11:00
+10°C
1.8
95%
1023
12:00
+12°C
1.8
91%
1023
13:00
+13°C
1.6
83%
1022
14:00
+15°C
0.7
72%
1021
15:00
+16°C
0.6
67%
1021
16:00
+15°C
1.5
69%
1021
17:00
+14°C
2.7
74%
1020
18:00
+13°C
3.6
80%
1020
19:00
+12°C
3.8
84%
1020
20:00
+11°C
3.6
87%
1021
21:00
+10°C
3.5
90%
1021
22:00
+10°C
3.5
91%
1021
23:00
+9°C
3.6
91%
1021


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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