Climate averages 1991–2020

Russas weather
in January.

A hot, moderately wet month: the 6th warmest and the 9th driest of the year.

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

Average high 33.2°C Daytime mean, January

Average low 24.2°C Night-time mean, January

Rainfall 74 mm 12 days with ≥1 mm

Daylight 12 h Sunrise to sunset, per day

January is a hot month in Russas: daytime highs average 33.2°C and nights cool to about 24.2°C. By daytime temperature it is the 6th warmest of the 12 months.

Expect about 74 mm of rain on roughly 12 days, which makes January a moderately wet month (the 9th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 22 min on an average January day.

The nearest other city in this atlas is Mossoró (75 km away). In January its highs average 33.2°C, about as warm as Russas, with 68 mm of rain.

Among the 448 cities listed in Brazil, Russas ranks joint 3rd of 448 for the warmest January highs and joint 44th of 448 for the driest January (rainfall, lowest first). The mean January high of those 448 cities is 28.5°C; Russas is 4.7°C warmer than that mean.

From January to February, average highs fall by 0.8°C to 32.4°C, and monthly rainfall rises from 74 mm to 95 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

Russas climate table

1991–2020

Monthly climate averages for Russas, 1991–2020
Month	Average highHigh / low	Average low	Rainfall mm/month	Rain days ≥1 mm/day	Daylight hours/dayDaylight h/day
January, selected	33.2°C24.2°C	24.2°C	74	11.7	12.412 h
February	32.4°C24.0°C	24.0°C	95	14.1	12.312 h
March	31.6°C23.9°C	23.9°C	161	19.2	12.112 h
April	31.2°C23.8°C	23.8°C	152	17.6	12.012 h
May	31.9°C23.8°C	23.8°C	71	10.4	11.912 h
June	32.1°C23.3°C	23.3°C	29	6.4	11.812 h
July	32.7°C22.9°C	22.9°C	18	3.0	11.912 h
August	34.3°C22.7°C	22.7°C	3.0	0.6	12.012 h
September	35.2°C23.1°C	23.1°C	1.2	0.2	12.112 h
October	35.2°C23.6°C	23.6°C	2.6	0.3	12.212 h
November	34.9°C24.0°C	24.0°C	2.9	0.4	12.312 h
December	34.3°C24.3°C	24.3°C	16	3.4	12.412 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 Russas

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