Rosario hourly weather forecast

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

07 April 2026, Tuesday
+15°C / +16°C
Hour
Temperature
Wind (km/h)
Humidity
Weather
Pressure
00:00
+16°C
18
94%
1010
01:00
+15°C
19.2
93%
1010
02:00
+15°C
20.2
93%
1009
03:00
+15°C
21.4
93%
1009
04:00
+15°C
21
93%
1009
05:00
+15°C
20
93%
1009
06:00
+15°C
20.3
93%
1009
07:00
+15°C
19.5
93%
1008
08:00
+15°C
20.2
93%
1008
09:00
+15°C
22.5
93%
1009
10:00
+16°C
23.1
92%
1009
11:00
+16°C
24.5
90%
1009
12:00
+16°C
22
91%
1009
13:00
+16°C
24.5
90%
1009
14:00
+16°C
23.8
89%
1009
15:00
+16°C
24.4
89%
1008
16:00
+16°C
24.5
88%
1008
17:00
+16°C
23
91%
1008
18:00
+16°C
22.8
91%
1008
19:00
+16°C
23.1
90%
1009
20:00
+16°C
23.5
89%
1009
21:00
+16°C
23
89%
1010
22:00
+16°C
22.6
88%
1011
23:00
+16°C
21.1
87%
1011
08 April 2026, Wednesday
+15°C / +21°C
Hour
Temperature
Wind (km/h)
Humidity
Weather
Pressure
00:00
+16°C
19
88%
1011
01:00
+16°C
16.9
90%
1011
02:00
+16°C
15.5
92%
1011
03:00
+15°C
14.4
94%
1011
04:00
+15°C
14.8
94%
1011
05:00
+15°C
14.8
93%
1012
06:00
+15°C
13.7
92%
1012
07:00
+15°C
12
93%
1013
08:00
+15°C
11.3
93%
1014
09:00
+16°C
11.4
91%
1014
10:00
+17°C
14.4
89%
1015
11:00
+18°C
14.9
81%
1015
12:00
+20°C
13.9
75%
1015
13:00
+21°C
13.4
69%
1015
14:00
+21°C
12.4
68%
1014
15:00
+21°C
11.8
68%
1013
16:00
+21°C
10
68%
1013
17:00
+21°C
9.1
68%
1013
18:00
+21°C
7.3
73%
1014
19:00
+19°C
5.4
80%
1014
20:00
+17°C
6
85%
1014
21:00
+17°C
6.5
88%
1014
22:00
+16°C
6.7
89%
1015
23:00
+16°C
6.1
90%
1015
09 April 2026, Thursday
+13°C / +22°C
Hour
Temperature
Wind (km/h)
Humidity
Weather
Pressure
00:00
+16°C
5.4
91%
1015
01:00
+15°C
4.3
93%
1016
02:00
+15°C
4.5
94%
1016
03:00
+14°C
5.3
95%
1016
04:00
+14°C
5.2
96%
1016
05:00
+14°C
5.4
96%
1016
06:00
+14°C
5.6
96%
1017
07:00
+13°C
5.5
96%
1017
08:00
+13°C
5.2
97%
1018
09:00
+15°C
7.1
94%
1018
10:00
+17°C
7.7
88%
1019
11:00
+18°C
8.2
80%
1019
12:00
+20°C
8.4
73%
1018
13:00
+21°C
7.8
67%
1018
14:00
+21°C
6.4
62%
1017
15:00
+22°C
5.9
59%
1016
16:00
+21°C
5.7
58%
1016
17:00
+21°C
6.1
59%
1016
18:00
+20°C
6.2
62%
1016
19:00
+19°C
5.7
68%
1016
20:00
+17°C
5.4
75%
1016
21:00
+16°C
4.9
81%
1016
22:00
+15°C
4.4
84%
1016
23:00
+15°C
4
86%
1016
10 April 2026, Friday
+13°C / +22°C
Hour
Temperature
Wind (km/h)
Humidity
Weather
Pressure
00:00
+14°C
4.2
87%
1017
01:00
+14°C
4.3
89%
1017
02:00
+13°C
4.3
90%
1017
03:00
+13°C
4.3
91%
1017
04:00
+13°C
4.7
92%
1017
05:00
+13°C
4.8
93%
1017
06:00
+13°C
5.3
93%
1017
07:00
+13°C
5.8
93%
1017
08:00
+14°C
6.2
92%
1017
09:00
+15°C
6.9
90%
1018
10:00
+17°C
8.1
85%
1018
11:00
+19°C
10
79%
1018
12:00
+21°C
11.5
74%
1018
13:00
+22°C
11.4
69%
1017
14:00
+22°C
10.6
65%
1016
15:00
+22°C
9.5
63%
1015
16:00
+22°C
8.1
63%
1015
17:00
+22°C
6.8
66%
1014
18:00
+22°C
5.9
69%
1014
19:00
+20°C
5.4
74%
1014
20:00
+19°C
5.4
80%
1014
21:00
+17°C
5.5
85%
1014
22:00
+16°C
6
88%
1015
23:00
+16°C
6.2
90%
1015
11 April 2026, Saturday
+15°C / +23°C
Hour
Temperature
Wind (km/h)
Humidity
Weather
Pressure
00:00
+16°C
6.6
91%
1015
01:00
+15°C
6.6
92%
1015
02:00
+15°C
6.6
93%
1015
03:00
+15°C
6.4
94%
1015
04:00
+15°C
4.8
94%
1015
05:00
+15°C
5.4
94%
1015
06:00
+15°C
5.9
94%
1015
07:00
+15°C
7
94%
1015
08:00
+16°C
8.6
93%
1015
09:00
+17°C
10.1
90%
1015
10:00
+18°C
11
85%
1015
11:00
+20°C
12.3
78%
1015
12:00
+22°C
13.4
71%
1015
13:00
+23°C
14.2
65%
1014
14:00
+23°C
14.9
60%
1013
15:00
+23°C
14.9
57%
1012
16:00
+23°C
13.5
58%
1012
17:00
+22°C
11.3
61%
1012
18:00
+21°C
9.5
66%
1012
19:00
+20°C
8.5
72%
1012
20:00
+18°C
9.1
79%
1012
21:00
+17°C
9.7
84%
1012
22:00
+17°C
9.5
87%
1012
23:00
+17°C
10.1
89%
1012


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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