Rosario weather in May
Temperature, rain and sunshine in May: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in May
Excellent
Best time to visit: February – June, August – December
What is the weather like in Rosario in May?
In May, Rosario is mild: daytime highs average 19 °C, and nights cool down to about 11 °C. Expect around 6 hours of sunshine a day. Rain falls on about 6 days, adding up to 58 mm. All in all, May is an excellent month for a holiday in Rosario.
May compared
How the weather changes from April to June. Tap a month to open it.
More details for May
- Daylight
- 10 h 27 min07:45 – 18:12
- UV index
- 4 · moderateclear sky, noon (estimate)All months
- Muggy days
- 1 daydew point 18 °C or moreAll months
- Wind
- 15 km/haverage daily peakAll months
- Cloud cover
- 54 %on averageAll months
- Hot days
- 0 days30 °C or moreAll months
- Time zone
- UTC−3America/Argentina/Cordoba
How the score comes together
- Temperatureweight 50 %100 %
- Sunshineweight 20 %43 %
- Few rainy daysweight 30 %88 %
Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.
What to pack in May
- Sunscreen
- A jumper for the evenings
Rosario in May: quick answers
Is Rosario hot in May?
No. In May, Rosario is mild: daytime highs average 19 °C and nights drop to about 11 °C.
Does it rain much in Rosario in May?
Rain falls on about 6 days, adding up to 58 mm.
Rosario month by month
The whole year in RosarioAll destinations: ArgentinaWhere to go in May
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences