Climate averages 1991–2020

Alegrete weather
in August.

A mild, wet month: the 10th warmest and the driest of the year.

Long-term climate patterns, not a forecast for a particular trip.

Average high 20.4°C Daytime mean, August
Average low 10.6°C Night-time mean, August
Rainfall 109 mm 8 days with ≥1 mm
Daylight 11 h Sunrise to sunset, per day
Every month in Alegrete · average highYear overview

August is a mild month in Alegrete: daytime highs average 20.4°C and nights cool to about 10.6°C. By daytime temperature it is the 10th warmest of the 12 months.

Expect about 109 mm of rain on roughly 8 days, which makes August a wet month (the driest month of the year). Daylight, from sunrise to sunset, lasts about 11 h 03 min on an average August day.

The nearest other city in this atlas is Uruguaiana (125 km away). In August its highs average 20.4°C, about as warm as Alegrete, with 89 mm of rain.

Among the 448 cities listed in Brazil, Alegrete ranks joint 417th of 448 for the warmest August highs and 422nd of 448 for the driest August (rainfall, lowest first). The mean August high of those 448 cities is 26.2°C; Alegrete is 5.8°C cooler than that mean.

From August to September, average highs rise by 1.3°C to 21.7°C, and monthly rainfall rises from 109 mm to 155 mm.

The annual picture

August in context

30-year average
Average highAverage low°C
Average daily high and low temperatures by month The same values are available in the monthly table below. Lines show mean daily maxima and minima, not a forecast interval. 5101520253035 JanFebMarAprMayJunJulAugSepOctNovDec

Monthly rainfall

Average total · mm
Average monthly rainfall totalsEach bar is a mean monthly total over 1991–2020. Full numbers are in the table. JanFebMarAprMayJunJulAugSepOctNovDec 2500

Averages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated

Every month, side by side

Alegrete climate table

1991–2020
Monthly climate averages for Alegrete, 1991–2020
MonthAverage highHigh / lowAverage lowRainfall mm/monthRain days ≥1 mm/dayDaylight hours/dayDay­light h/day
January 30.3°C20.8°C20.8°C14311.713.814 h
February 29.4°C20.4°C20.4°C13410.813.113 h
March 27.9°C18.7°C18.7°C1239.712.312 h
April 24.6°C15.7°C15.7°C1629.511.411 h
May 20.6°C12.4°C12.4°C1218.310.611 h
June 18.5°C10.4°C10.4°C1349.510.310 h
July 17.9°C9.3°C9.3°C1249.010.410 h
August, selected 20.4°C10.6°C10.6°C1098.411.011 h
September 21.7°C12.1°C12.1°C1559.511.912 h
October 24.2°C14.7°C14.7°C21111.412.813 h
November 26.8°C16.5°C16.5°C1429.113.614 h
December 29.5°C19.3°C19.3°C1369.714.014 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

August in nearby cities

Distance from Alegrete

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 limits

How these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Alegrete) is explained once on the Alegrete year overview and on the Sources, method and limits page.