Climate averages 1991–2020
Río Cuarto weather
in May.
A mild, fairly dry month: the 9th warmest and the 4th driest of the year. Meets the pleasant-weather rule
Long-term climate patterns, not a forecast for a particular trip.
May is a mild month in Río Cuarto: daytime highs average 18.3°C and nights cool to about 9.4°C. By daytime temperature it is the 9th warmest of the 12 months.
Expect about 34 mm of rain on roughly 5 days, which makes May a fairly dry month (the 4th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 10 h 26 min on an average May day.
The nearest other city in this atlas is Villa Mercedes, Argentina (119 km away). In May its highs average 18.5°C, about as warm as Río Cuarto, with 29 mm of rain.
Among the 67 cities listed in Argentina, Río Cuarto ranks joint 28th of 67 for the warmest May highs and 17th of 67 for the driest May (rainfall, lowest first). The mean May high of those 67 cities is 18.0°C; Río Cuarto is 0.3°C warmer than that mean.
From May to June, average highs fall by 2.7°C to 15.6°C, and monthly rainfall falls from 34 mm to 14 mm.
The annual picture
May in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Río Cuarto climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 28.8°C19.0°C | 19.0°C | 96 | 10.3 | 14.114 h |
| February | 27.1°C17.8°C | 17.8°C | 89 | 8.7 | 13.313 h |
| March | 25.4°C16.3°C | 16.3°C | 88 | 9.4 | 12.312 h |
| April | 21.9°C12.8°C | 12.8°C | 67 | 7.1 | 11.311 h |
| May, selected | 18.3°C9.4°C | 9.4°C | 34 | 4.8 | 10.410 h |
| June | 15.6°C6.1°C | 6.1°C | 14 | 2.5 | 10.010 h |
| July | 14.8°C4.9°C | 4.9°C | 11 | 2.4 | 10.210 h |
| August | 17.8°C6.8°C | 6.8°C | 20 | 2.7 | 10.911 h |
| September | 20.3°C9.3°C | 9.3°C | 39 | 4.9 | 11.912 h |
| October | 23.0°C12.5°C | 12.5°C | 84 | 9.4 | 12.913 h |
| November | 26.1°C15.4°C | 15.4°C | 88 | 10.3 | 13.814 h |
| December | 28.3°C17.9°C | 17.9°C | 107 | 10.7 | 14.314 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
May in nearby cities
- Villa Mercedes, Argentina in MayArgentina · 119 kmHigh 18.5°C · Low 8.8°C · 29 mm rain
- Villa María in MayArgentina · 131 kmHigh 18.7°C · Low 11.0°C · 44 mm rain
- San Luis in MayArgentina · 184 kmHigh 18.6°C · Low 9.1°C · 25 mm rain
- Córdoba in MayArgentina · 192 kmHigh 18.8°C · Low 9.6°C · 35 mm rain
- Venado Tuerto in MayArgentina · 232 kmHigh 18.5°C · Low 10.2°C · 59 mm rain
- Rafaela in MayArgentina · 341 kmHigh 19.6°C · Low 11.5°C · 65 mm rain
- Gobernador Gálvez in MayArgentina · 346 kmHigh 18.8°C · Low 11.3°C · 66 mm rain
- Rosario in MayArgentina · 347 kmHigh 18.8°C · Low 11.1°C · 66 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Río Cuarto) is explained once on the Río Cuarto year overview and on the Sources, method and limits page.