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Average Monthly Sunshine in Rosario

The graphs on this page shows the average number of hours per month and per day that Rosario receives direct sunlight. The numbers are calculated over a 30-year period to provide a reliable average.

Monthly hours of sunshine

Seasonal sunshine in Rosario varies. It peaks at 294 hours in January and drops to 142 hours in June. The total annual amount of sun is 2598 hours.

Daily hours of sunshine

For those who appreciate different seasons, the city serves as an ideal destination. Expect longer, more sun-filled days in January with an average of 9.8 hours of sunshine daily, and embrace the darker days in June, offering only 4.7 hours of daily sunlight.

Rosario’s total hours of sunshine compared to other major cities

Rosario enjoys an average of 2598 hours of sunshine annually. Let’s compare this with some popular tourist destinations:

The city of Rome, Italy, experiences 2470 hours of sunshine annually, adding to its charm as a year-round tourist destination.

In contrast, Reykjavík, Iceland, receives only about 1330 hours of sunshine per year, known for its frequently overcast, dark winter and rainy skies.

The climate in San Francisco, USA, includes 3072 hours of sunshine annually, thanks to its mild coastal weather.

In Tokyo, Japan, the average annual sunshine is 1930 hours, with sunny periods between rainy seasons.

Other climate information

March, Rosario’s wettest month, receives 107 mm of rainfall and has a maximum daytime temperature of 28°C. During the driest month July you can expect a temperature of 17°C.

For more detailed insights into the city’s temperatures, check out our Temperature page. To explore more about precipitation patterns, visit our Precipitation page.


Forecast: is it sunny in Rosario?

Sat   Dec 21
22°C | 14°C
E 5 m/s
24 mm
broken clouds and rain

broken clouds and rain

Sun   Dec 22
28°C | 12°C
NE 4 m/s
clear and no rain

clear and no rain

Mon   Dec 23
31°C | 15°C
NE 5 m/s
almost clear and no rain

almost clear and no rain

Interested in more climate information?

This site provides you with all the information you need about the climate in Rosario.

Our site offers climate and forecast data for every country in the world. Are you going to Argentina? On this website you can find historical weather averages for many cities in Argentina. Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.