Climate averages 1991–2020

Alegrete weather
in March.

A warm, wet month: the 4th warmest and the 3rd driest of the year.

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

Average high 27.9°C Daytime mean, March

Average low 18.7°C Night-time mean, March

Rainfall 123 mm 10 days with ≥1 mm

Daylight 12 h Sunrise to sunset, per day

March is a warm month in Alegrete: daytime highs average 27.9°C and nights cool to about 18.7°C. By daytime temperature it is the 4th warmest of the 12 months.

Expect about 123 mm of rain on roughly 10 days, which makes March a wet month (the 3rd driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 17 min on an average March day.

The nearest other city in this atlas is Uruguaiana (125 km away). In March its highs average 28.0°C, about as warm as Alegrete, with 124 mm of rain.

Among the 448 cities listed in Brazil, Alegrete ranks joint 223rd of 448 for the warmest March highs and joint 95th of 448 for the driest March (rainfall, lowest first). The mean March high of those 448 cities is 27.9°C; Alegrete is level with that mean.

From March to April, average highs fall by 3.3°C to 24.6°C, and monthly rainfall rises from 123 mm to 162 mm.

The annual picture

March in context

30-year average

Average highAverage low°C

Monthly rainfall

Average total · mm

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
Month	Average highHigh / low	Average low	Rainfall mm/month	Rain days ≥1 mm/day	Daylight hours/dayDaylight h/day
January	30.3°C20.8°C	20.8°C	143	11.7	13.814 h
February	29.4°C20.4°C	20.4°C	134	10.8	13.113 h
March, selected	27.9°C18.7°C	18.7°C	123	9.7	12.312 h
April	24.6°C15.7°C	15.7°C	162	9.5	11.411 h
May	20.6°C12.4°C	12.4°C	121	8.3	10.611 h
June	18.5°C10.4°C	10.4°C	134	9.5	10.310 h
July	17.9°C9.3°C	9.3°C	124	9.0	10.410 h
August	20.4°C10.6°C	10.6°C	109	8.4	11.011 h
September	21.7°C12.1°C	12.1°C	155	9.5	11.912 h
October	24.2°C14.7°C	14.7°C	211	11.4	12.813 h
November	26.8°C16.5°C	16.5°C	142	9.1	13.614 h
December	29.5°C19.3°C	19.3°C	136	9.7	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

March 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.