Climate averages 1991–2020

Alegrete weather
in January.

A hot, wet month: the warmest and the 9th driest of the year.

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

Average high 30.3°C Daytime mean, January

Average low 20.8°C Night-time mean, January

Rainfall 143 mm 12 days with ≥1 mm

Daylight 14 h Sunrise to sunset, per day

January is a hot month in Alegrete: daytime highs average 30.3°C and nights cool to about 20.8°C. By daytime temperature it is the warmest month of the year.

Expect about 143 mm of rain on roughly 12 days, which makes January a wet month (the 9th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 13 h 49 min on an average January day.

The nearest other city in this atlas is Uruguaiana (125 km away). In January its highs average 30.6°C, about as warm as Alegrete, with 139 mm of rain.

Among the 448 cities listed in Brazil, Alegrete ranks joint 63rd of 448 for the warmest January highs and joint 114th of 448 for the driest January (rainfall, lowest first). The mean January high of those 448 cities is 28.5°C; Alegrete is 1.8°C warmer than that mean.

From January to February, average highs fall by 0.9°C to 29.4°C, and monthly rainfall falls from 143 mm to 134 mm.

The annual picture

January 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, selected	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	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

January 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.