Climate averages 1991–2020
Uruguaiana weather
in July.
A mild, wet month: the coolest and the 2nd driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
July is a mild month in Uruguaiana: daytime highs average 17.8°C and nights cool to about 9.7°C. By daytime temperature it is the coolest month of the year.
Expect about 103 mm of rain on roughly 8 days, which makes July a wet month (the 2nd driest of the 12 months). Daylight, from sunrise to sunset, lasts about 10 h 26 min on an average July day.
The nearest other city in this atlas is Alegrete (125 km away). In July its highs average 17.9°C, about as warm as Uruguaiana, with 124 mm of rain.
Among the 448 cities listed in Brazil, Uruguaiana ranks joint 432nd of 448 for the warmest July highs and joint 378th of 448 for the driest July (rainfall, lowest first). The mean July high of those 448 cities is 24.7°C; Uruguaiana is 6.9°C cooler than that mean.
From July to August, average highs rise by 2.6°C to 20.4°C, and monthly rainfall falls from 103 mm to 89 mm.
The annual picture
July 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
Uruguaiana climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 30.6°C21.6°C | 21.6°C | 139 | 10.4 | 13.814 h |
| February | 29.6°C21.0°C | 21.0°C | 128 | 10.4 | 13.113 h |
| March | 28.0°C19.3°C | 19.3°C | 124 | 9.2 | 12.312 h |
| April | 24.6°C16.3°C | 16.3°C | 177 | 9.3 | 11.411 h |
| May | 20.7°C13.1°C | 13.1°C | 115 | 8.0 | 10.611 h |
| June | 18.4°C10.9°C | 10.9°C | 113 | 8.5 | 10.310 h |
| July, selected | 17.8°C9.7°C | 9.7°C | 103 | 7.5 | 10.410 h |
| August | 20.4°C11.1°C | 11.1°C | 89 | 7.8 | 11.111 h |
| September | 22.0°C12.6°C | 12.6°C | 126 | 9.0 | 11.912 h |
| October | 24.6°C15.4°C | 15.4°C | 189 | 10.9 | 12.813 h |
| November | 27.3°C17.4°C | 17.4°C | 136 | 8.4 | 13.614 h |
| December | 29.8°C20.1°C | 20.1°C | 136 | 9.4 | 14.014 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
July in nearby cities
- Alegrete in JulyBrazil · 125 kmHigh 17.9°C · Low 9.3°C · 124 mm rain
- Rivera in JulyUruguay · 195 kmHigh 16.5°C · Low 8.3°C · 108 mm rain
- Sant'Ana do Livramento in JulyBrazil · 196 kmHigh 16.2°C · Low 7.7°C · 108 mm rain
- Concordia in JulyArgentina · 203 kmHigh 16.5°C · Low 8.4°C · 76 mm rain
- Goya in JulyArgentina · 221 kmHigh 18.2°C · Low 10.3°C · 52 mm rain
- Ituzaingó in JulyArgentina · 244 kmHigh 19.8°C · Low 12.3°C · 104 mm rain
- Reconquista in JulyArgentina · 257 kmHigh 18.2°C · Low 9.9°C · 46 mm rain
- Posadas in JulyArgentina · 286 kmHigh 19.9°C · Low 12.0°C · 117 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 Uruguaiana) is explained once on the Uruguaiana year overview and on the Sources, method and limits page.