Climate averages 1991–2020

Ijuí weather
in January.

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

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

Average high 28.9°C Daytime mean, January

Average low 20.0°C Night-time mean, January

Rainfall 173 mm 15 days with ≥1 mm

Daylight 14 h Sunrise to sunset, per day

January is a hot month in Ijuí: daytime highs average 28.9°C and nights cool to about 20.0°C. By daytime temperature it is the warmest month of the year.

Expect about 173 mm of rain on roughly 15 days, which makes January a wet month (the 10th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 13 h 43 min on an average January day.

The nearest other city in this atlas is Santo Ângelo (35 km away). In January its highs average 29.4°C, 0.5°C warmer than Ijuí, with 167 mm of rain.

Among the 448 cities listed in Brazil, Ijuí ranks joint 179th of 448 for the warmest January highs and joint 136th of 448 for the driest January (rainfall, lowest first). The mean January high of those 448 cities is 28.5°C; Ijuí is 0.4°C warmer than that mean.

From January to February, average highs fall by 0.8°C to 28.1°C, and monthly rainfall falls from 173 mm to 146 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

Ijuí climate table

1991–2020

Monthly climate averages for Ijuí, 1991–2020
Month	Average highHigh / low	Average low	Rainfall mm/month	Rain days ≥1 mm/day	Daylight hours/dayDaylight h/day
January, selected	28.9°C20.0°C	20.0°C	173	14.5	13.714 h
February	28.1°C19.7°C	19.7°C	146	13.8	13.113 h
March	27.3°C18.4°C	18.4°C	136	11.6	12.312 h
April	24.8°C15.8°C	15.8°C	161	10.1	11.411 h
May	21.1°C12.5°C	12.5°C	143	8.9	10.711 h
June	19.3°C11.0°C	11.0°C	144	9.8	10.410 h
July	18.6°C9.8°C	9.8°C	157	9.7	10.511 h
August	21.0°C11.3°C	11.3°C	108	8.8	11.111 h
September	22.5°C12.8°C	12.8°C	157	10.2	11.912 h
October	24.9°C15.3°C	15.3°C	234	13.1	12.713 h
November	26.9°C16.7°C	16.7°C	161	10.9	13.514 h
December	28.8°C19.0°C	19.0°C	178	12.9	13.914 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 Ijuí

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 Ijuí) is explained once on the Ijuí year overview and on the Sources, method and limits page.