Rosario Weather in October
In Rosario, October brings high daytime temperatures around 25°C (77°F), with nights cooling to 13°C (55°F). Expect quite a bit of rainfall this month.
Rainfall in Rosario in October
Looking at the last 30 years, the data shows about 9 days with rain, averaging 114 mm (4.5 in) for the month. Individual showers can be quite heavy this month. A proper umbrella or rain jacket is worth having.
Temperature in Rosario in October
Rosario in October gets highs of 25°C (77°F) during the day and drops to 13°C (55°F) at night. This gives the month a fairly typical daily rhythm, with warmer afternoons and more comfortable nights. With lows of 13°C (55°F), nights are cool. If you're out after dark, an extra layer will keep you comfortable. The cooler air at night is also great for getting a good rest.
Sunshine in Rosario in October
Expect sunny days throughout the month, with an estimated 222 hours of sunshine. This makes it a pleasant time to visit Rosario.
Wind Speed in Rosario in October
October has wind speeds averaging 5 m/s (10 knots). You can expect gentle to moderate winds that move small trees and make flags wave steadily on typical days. Conditions typically range from light breezes to moderate winds.If your ideal day consists of dry skies and pleasant temperatures, May, August and September typically offer the best circumstances for Rosario.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Argentina, check out our Rosario's climate page.
Rosario Temperature in October
Min Temperature
13°C (55°F)
Max Temperature
25°C (77°F)
Chance of Rain
29%
Precipitation
114 mm (4.5 in)
Rainy days
9 days
Humidity
73%
Windspeed
5 m/s (10 knots)
Sunshine
222 hours
Percentage Sunshine
57%
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Rosario typically rise from around 22°C (72°F) at the start of October to approximately 25°C (77°F) by the end. Nights are cool, with lows typically ranging from 11°C (52°F) to 15°C (59°F).
Average temperatures in October
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in October
Historical weather for Rosario in October
Browse day-by-day weather records for Rosario spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Rosario historical weather extremes in October
Based on 49 years of weather observations in Rosario between 1976 and 2025, these are the recorded extremes.
- Rosario recorded its highest October temperature of 38°C (100°F) on October 18, 2020.
- The coldest October day was on October 4, 2020, with a maximum of 12°C (54°F).
- The coldest night in October in Rosario was on October 9, 2022, with a minimum of 0°C (32°F).
Best Places in Argentina in October
Find out more about the weather in Argentina and which places have the best travel conditions in this month. See all of Argentina in October →
perfect weather
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What to Wear in Rosario in October
For Rosario in October, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. High rain levels are expected, so pack waterproof gear and an umbrella or poncho. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.What To Do in Rosario in October
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Argentina, check out our Rosario's climate page.
Temperature Rainfall Sunshine Humidity Wind Speed
See the full Rosario climate overview or explore weather in Argentina.
