Climate averages 1991–2020
Paraná weather
in May.
A mild, moderately wet month: the 9th warmest and the 5th 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 Paraná: daytime highs average 19.2°C and nights cool to about 12.1°C. By daytime temperature it is the 9th warmest of the 12 months.
Expect about 70 mm of rain on roughly 6 days, which makes May a moderately wet month (the 5th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 10 h 32 min on an average May day.
The nearest other city in this atlas is Santa Fe (19 km away). In May its highs average 19.7°C, about as warm as Paraná, with 74 mm of rain.
Among the 67 cities listed in Argentina, Paraná ranks 17th of 67 for the warmest May highs and joint 53rd of 67 for the driest May (rainfall, lowest first). The mean May high of those 67 cities is 18.0°C; Paraná is 1.2°C warmer than that mean.
From May to June, average highs fall by 2.7°C to 16.5°C, and monthly rainfall falls from 70 mm to 45 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
Paraná climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 30.1°C20.7°C | 20.7°C | 105 | 8.5 | 14.014 h |
| February | 28.5°C19.9°C | 19.9°C | 114 | 8.4 | 13.213 h |
| March | 26.7°C18.2°C | 18.2°C | 132 | 8.2 | 12.312 h |
| April | 22.9°C15.1°C | 15.1°C | 113 | 8.1 | 11.311 h |
| May, selected | 19.2°C12.1°C | 12.1°C | 70 | 5.8 | 10.511 h |
| June | 16.5°C9.2°C | 9.2°C | 45 | 5.4 | 10.110 h |
| July | 15.9°C8.0°C | 8.0°C | 39 | 4.5 | 10.310 h |
| August | 18.6°C9.2°C | 9.2°C | 47 | 4.8 | 11.011 h |
| September | 20.8°C11.1°C | 11.1°C | 63 | 6.1 | 11.912 h |
| October | 23.6°C14.0°C | 14.0°C | 122 | 9.3 | 12.813 h |
| November | 26.5°C16.6°C | 16.6°C | 108 | 7.3 | 13.714 h |
| December | 28.8°C19.1°C | 19.1°C | 128 | 8.2 | 14.214 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
- Santa Fe in MayArgentina · 19 kmHigh 19.7°C · Low 12.3°C · 74 mm rain
- Rafaela in MayArgentina · 106 kmHigh 19.6°C · Low 11.5°C · 65 mm rain
- Rosario in MayArgentina · 135 kmHigh 18.8°C · Low 11.1°C · 66 mm rain
- Gobernador Gálvez in MayArgentina · 145 kmHigh 18.8°C · Low 11.3°C · 66 mm rain
- San Nicolás de los Arroyos in MayArgentina · 181 kmHigh 18.7°C · Low 11.5°C · 66 mm rain
- Gualeguaychú in MayArgentina · 236 kmHigh 18.9°C · Low 11.1°C · 80 mm rain
- Paysandú in MayUruguay · 240 kmHigh 19.2°C · Low 11.1°C · 90 mm rain
- Pergamino in MayArgentina · 240 kmHigh 18.5°C · Low 10.2°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 Paraná) is explained once on the Paraná year overview and on the Sources, method and limits page.