Climate averages 1991–2020

Cacoal weather
in April.

A hot, wet month: the joint 8th warmest and the 6th driest of the year.

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

Average high 29.3°C Daytime mean, April
Average low 22.4°C Night-time mean, April
Rainfall 151 mm 22 days with ≥1 mm
Daylight 12 h Sunrise to sunset, per day
Every month in Cacoal · average highYear overview

April is a hot month in Cacoal: daytime highs average 29.3°C and nights cool to about 22.4°C. By daytime temperature it is the joint 8th warmest of the 12 months.

Expect about 151 mm of rain on roughly 22 days, which makes April a wet month (the 6th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 11 h 51 min on an average April day.

The nearest other city in this atlas is Ji Paraná (83 km away). In April its highs average 29.2°C, about as warm as Cacoal, with 148 mm of rain.

Among the 448 cities listed in Brazil, Cacoal ranks joint 59th of 448 for the warmest April highs and 374th of 448 for the driest April (rainfall, lowest first). The mean April high of those 448 cities is 27.0°C; Cacoal is 2.4°C warmer than that mean.

From April to May, average highs fall by 0.1°C to 29.3°C, and monthly rainfall falls from 151 mm to 77 mm.

The annual picture

April 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. 152025303540 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 3500

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

Every month, side by side

Cacoal climate table

1991–2020
Monthly climate averages for Cacoal, 1991–2020
MonthAverage highHigh / lowAverage lowRainfall mm/monthRain days ≥1 mm/dayDaylight hours/dayDay­light h/day
January 29.1°C22.7°C22.7°C30829.312.713 h
February 28.9°C22.6°C22.6°C29926.612.512 h
March 29.2°C22.6°C22.6°C27028.212.212 h
April, selected 29.3°C22.4°C22.4°C15122.311.912 h
May 29.3°C21.6°C21.6°C7713.411.612 h
June 30.7°C20.5°C20.5°C173.511.511 h
July 32.2°C20.3°C20.3°C112.111.512 h
August 33.7°C21.5°C21.5°C264.711.712 h
September 33.3°C23.0°C23.0°C9014.112.012 h
October 32.0°C23.2°C23.2°C15621.712.312 h
November 30.3°C22.9°C22.9°C23924.912.613 h
December 29.4°C22.8°C22.8°C28427.912.813 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

April in nearby cities

Distance from Cacoal

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