Climate averages 1991–2020

Caxias do Sul weather
in May.

A mild, wet month: the 10th warmest and the joint 3rd driest of the year.

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

Average high 17.6°C Daytime mean, May
Average low 9.6°C Night-time mean, May
Rainfall 140 mm 11 days with ≥1 mm
Daylight 11 h Sunrise to sunset, per day
Every month in Caxias do Sul · average highYear overview

May is a mild month in Caxias do Sul: daytime highs average 17.6°C and nights cool to about 9.6°C. By daytime temperature it is the 10th warmest of the 12 months.

Expect about 140 mm of rain on roughly 11 days, which makes May a wet month (the joint 3rd driest of the 12 months). Daylight, from sunrise to sunset, lasts about 10 h 41 min on an average May day.

The nearest other city in this atlas is Farroupilha (18 km away). In May its highs average 17.8°C, about as warm as Caxias do Sul, with 140 mm of rain.

Among the 448 cities listed in Brazil, Caxias do Sul ranks 447th of 448 for the warmest May highs and joint 384th of 448 for the driest May (rainfall, lowest first). The mean May high of those 448 cities is 25.3°C; Caxias do Sul is 7.7°C cooler than that mean.

From May to June, average highs fall by 1.4°C to 16.2°C, and monthly rainfall falls from 140 mm to 139 mm.

The annual picture

May 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. 051015202530 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 2500

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

Every month, side by side

Caxias do Sul climate table

1991–2020
Monthly climate averages for Caxias do Sul, 1991–2020
MonthAverage highHigh / lowAverage lowRainfall mm/monthRain days ≥1 mm/dayDaylight hours/dayDay­light h/day
January 25.2°C16.5°C16.5°C20818.313.814 h
February 24.7°C16.3°C16.3°C18617.613.113 h
March 23.6°C15.2°C15.2°C15515.112.312 h
April 21.1°C12.7°C12.7°C13811.511.411 h
May, selected 17.6°C9.6°C9.6°C14010.810.711 h
June 16.2°C7.9°C7.9°C13910.710.310 h
July 15.8°C7.0°C7.0°C17511.110.510 h
August 18.1°C8.3°C8.3°C14010.911.111 h
September 19.2°C9.6°C9.6°C17313.111.912 h
October 21.1°C11.9°C11.9°C21514.912.813 h
November 22.6°C13.0°C13.0°C16313.713.614 h
December 24.7°C15.2°C15.2°C18815.714.014 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

May in nearby cities

Distance from Caxias do Sul

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 Caxias do Sul) is explained once on the Caxias do Sul year overview and on the Sources, method and limits page.

Farroupilha lies in the same rainfall cell, so its rainfall figures are identical to these; temperatures differ because they come from smaller 0.1° cells.