The climate in Rosário Oeste during May can be summarized as hot, humid and reasonably dry.
May is in the fall / autumn in Rosário Oeste and is typically the 3rd coldest month of the year. Daytime maximum temperatures average around a steamy 32°C (89°F), whilst at night 20°C (67°F) is normal.
| Daytime temperature | 31.8°C 89.2°F |
|---|---|
| Nightly temperature | 19.5°C 67°F |
| Average temperature | 25.6°C 78.1°F |
| Daily sunshine | 7.2 hrs |
| Avg rainfall | 54 mm 2.1 ins |
| Rainy days | 6 days |
| Sea temperature | 23.3°C 74°F |
| Humidity | 77% |
| Windspeed | 5.4kph 3 mph |
On average May is the 4th driest month of the year in Rosário Oeste with around 54mm 2.1 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 6 days, although this may vary considerably.
On the flip side this corresponds to an average of 7.2 hours of sunshine per day.
The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Rosário Oeste in May 2025.
| Hottest month: | November | 32.4°C 90.3°F |
|---|---|---|
| Driest month: | July | 8mm 0.3ins |
| Sunniest month: | July | 8.8hrs |
| Coldest month: | June | 31.4°C 88.5°F |
| Wettest month: | January | 252mm 9.9ins |