Rosario Historic Weather Records

Analyse hottest, coldest, windiest & wettest days

Rosario Weather Trend Graph


Temperature (°C)
.
Months
Max Temp.
Historic Max Temp.
Min Temp.
Historic Min Temp.

Yearly Summary 2026


42°C
Highest Temp
1 Jan. 26

1°C
Lowest Temp
3 Jul. 26


Seasonal Breakdown

Hottest MonthJanuary36.32°C

Coldest MonthJune8.57°C

Wettest MonthApril4.72mm

Windiest MonthJanuary16.71km/h

Frequently Asked Questions


1. What is the hottest month in Rosario historically?

January is historically Rosario's hottest month, with average maximum temperatures around 32°C. During peak heatwave events, the highest recorded temperatures have reached 44°C on 2025-12-31.

2. What is the coldest month in Rosario historically?

July is Rosario's coldest month, with average minimum temperatures around 8°C. The all-time record low of -1°C was recorded on 2024-07-10.

3. What is the average annual rainfall in Rosario over the past 17 years?

Rosario's average annual rainfall is approximately 1050.6mm, based on records spanning 17 years.

4. How many rainy days does Rosario experience on average per year?

Rosario historically records approximately 126.6 rainy days per year. February has the highest number of rain days at an average of 13.7 days.

5. What is the all-time highest temperature ever recorded in Rosario?

The all-time highest temperature recorded in Rosario is 44°C on 2025-12-31.

6. What is the all-time lowest temperature ever recorded in Rosario?

The all-time lowest temperature recorded in Rosario is -1°C on 2024-07-10.

7. What is the windiest time of year in Rosario historically?

Rosario experiences its strongest winds during September. The historic gust record of 41.8 kph was recorded on 2014-08-25.

8. What is the highest and lowest humidity in Rosario during a year?

Usually, Rosario's humidity peaks in May at around 73.4% and drops to its lowest in January at approximately 49.7%.