Climate averages 1991–2020
Uruguaiana weather
in October.
A warm, very wet month: the joint 6th warmest and the wettest of the year.
Long-term climate patterns, not a forecast for a particular trip.
October is a warm month in Uruguaiana: daytime highs average 24.6°C and nights cool to about 15.4°C. By daytime temperature it is the joint 6th warmest of the 12 months.
Expect about 189 mm of rain on roughly 11 days, which makes October a very wet month (the wettest month of the year). Daylight, from sunrise to sunset, lasts about 12 h 47 min on an average October day.
The nearest other city in this atlas is Alegrete (125 km away). In October its highs average 24.2°C, about as warm as Uruguaiana, with 211 mm of rain.
Among the 448 cities listed in Brazil, Uruguaiana ranks joint 374th of 448 for the warmest October highs and joint 421st of 448 for the driest October (rainfall, lowest first). The mean October high of those 448 cities is 28.3°C; Uruguaiana is 3.6°C cooler than that mean.
From October to November, average highs rise by 2.7°C to 27.3°C, and monthly rainfall falls from 189 mm to 136 mm.
The annual picture
October 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 | 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, selected | 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
October in nearby cities
- Alegrete in OctoberBrazil · 125 kmHigh 24.2°C · Low 14.7°C · 211 mm rain
- Rivera in OctoberUruguay · 195 kmHigh 22.6°C · Low 13.3°C · 161 mm rain
- Sant'Ana do Livramento in OctoberBrazil · 196 kmHigh 22.4°C · Low 12.9°C · 161 mm rain
- Concordia in OctoberArgentina · 203 kmHigh 23.6°C · Low 14.2°C · 139 mm rain
- Goya in OctoberArgentina · 221 kmHigh 25.5°C · Low 16.5°C · 152 mm rain
- Ituzaingó in OctoberArgentina · 244 kmHigh 26.5°C · Low 18.2°C · 210 mm rain
- Reconquista in OctoberArgentina · 257 kmHigh 25.5°C · Low 16.2°C · 148 mm rain
- Posadas in OctoberArgentina · 286 kmHigh 26.6°C · Low 17.8°C · 216 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.