The climate in Río Tercero during May can be summarized as mild and dry.
May is in the fall / autumn in Río Tercero and is typically the 4th coldest month of the year. Daytime maximum temperatures average around 21°C (70°F), whilst at night 9°C (48°F) is normal.
| Daytime temperature | 20.9°C 69.6°F |
|---|---|
| Nightly temperature | 8.7°C 47.7°F |
| Average temperature | 14.8°C 58.6°F |
| Daily sunshine | 6.2 hrs |
| Avg rainfall | 22 mm 0.9 ins |
| Rainy days | 4 days |
| Sea temperature | 16.5°C 61.7°F |
| Humidity | 72% |
| Windspeed | 8.6kph 5 mph |
On average May is the 4th driest month of the year in Río Tercero with around 22mm 0.9 inches of rain making it a dry time to visit. This rainfall is typically spread over 4 days, although this may vary considerably.
On the flip side this corresponds to an average of 6.2 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 Río Tercero in May 2025.
| Hottest month: | January | 30.2°C 86.4°F |
|---|---|---|
| Driest month: | August | 13mm 0.5ins |
| Sunniest month: | February | 9.2hrs |
| Coldest month: | July | 16.9°C 62.4°F |
| Wettest month: | December | 136mm 5.4ins |