Climate averages 1991–2020

Vilhena weather
in July.

A hot, very dry month: the 4th warmest and the driest of the year.

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

Average high 29.3°C Daytime mean, July
Average low 18.2°C Night-time mean, July
Rainfall 10 mm 2 days with ≥1 mm
Daylight 11 h Sunrise to sunset, per day
Every month in Vilhena · average highYear overview

July is a hot month in Vilhena: daytime highs average 29.3°C and nights cool to about 18.2°C. By daytime temperature it is the 4th warmest of the 12 months.

Expect about 10 mm of rain on roughly 2 days, which makes July a very dry month (the driest month of the year). Daylight, from sunrise to sunset, lasts about 11 h 27 min on an average July day.

The nearest other city in this atlas is Cacoal (202 km away). In July its highs average 32.2°C, 2.9°C warmer than Vilhena, with 11 mm of rain.

Among the 448 cities listed in Brazil, Vilhena ranks joint 73rd of 448 for the warmest July highs and joint 103rd of 448 for the driest July (rainfall, lowest first). The mean July high of those 448 cities is 24.7°C; Vilhena is 4.6°C warmer than that mean.

From July to August, average highs rise by 1.7°C to 31.0°C, and monthly rainfall rises from 10 mm to 24 mm.

The annual picture

July 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. 1520253035 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 3000

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

Every month, side by side

Vilhena climate table

1991–2020
Monthly climate averages for Vilhena, 1991–2020
MonthAverage highHigh / lowAverage lowRainfall mm/monthRain days ≥1 mm/dayDaylight hours/dayDay­light h/day
January 27.5°C21.0°C21.0°C26729.412.813 h
February 27.2°C20.8°C20.8°C27627.212.513 h
March 27.5°C20.9°C20.9°C24128.612.212 h
April 27.6°C20.4°C20.4°C12821.411.812 h
May 27.5°C19.4°C19.4°C5712.111.512 h
June 28.3°C18.5°C18.5°C143.011.411 h
July, selected 29.3°C18.2°C18.2°C102.111.411 h
August 31.0°C19.6°C19.6°C244.811.712 h
September 30.8°C20.9°C20.9°C8413.512.012 h
October 29.5°C21.2°C21.2°C16522.412.412 h
November 28.2°C21.1°C21.1°C20725.512.713 h
December 27.7°C21.1°C21.1°C25928.212.913 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

July in nearby cities

Distance from Vilhena

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