Climate averages 1991–2020

Olavarría weather
in May.

A mild, moderately wet month: the 9th warmest and the 3rd driest of the year.

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

Average high 16.0°C Daytime mean, May
Average low 7.7°C Night-time mean, May
Rainfall 47 mm 6 days with ≥1 mm
Daylight 10 h Sunrise to sunset, per day
Every month in Olavarría · average highYear overview

May is a mild month in Olavarría: daytime highs average 16.0°C and nights cool to about 7.7°C. By daytime temperature it is the 9th warmest of the 12 months.

Expect about 47 mm of rain on roughly 6 days, which makes May a moderately wet month (the 3rd driest of the 12 months). Daylight, from sunrise to sunset, lasts about 10 h 11 min on an average May day.

The nearest other city in this atlas is Tandil (116 km away). In May its highs average 15.5°C, about as warm as Olavarría, with 42 mm of rain.

Among the 67 cities listed in Argentina, Olavarría ranks joint 57th of 67 for the warmest May highs and 23rd of 67 for the driest May (rainfall, lowest first). The mean May high of those 67 cities is 18.0°C; Olavarría is 2.0°C cooler than that mean.

From May to June, average highs fall by 3.2°C to 12.8°C, and monthly rainfall falls from 47 mm to 37 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 1000

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

Every month, side by side

Olavarría climate table

1991–2020
Monthly climate averages for Olavarría, 1991–2020
MonthAverage highHigh / lowAverage lowRainfall mm/monthRain days ≥1 mm/dayDaylight hours/dayDay­light h/day
January 27.9°C16.4°C16.4°C929.314.414 h
February 26.3°C15.7°C15.7°C767.813.513 h
March 23.9°C13.9°C13.9°C818.012.312 h
April 19.8°C10.5°C10.5°C857.811.211 h
May, selected 16.0°C7.7°C7.7°C475.710.210 h
June 12.8°C4.7°C4.7°C374.69.710 h
July 12.1°C3.6°C3.6°C385.29.910 h
August 14.7°C4.9°C4.9°C545.010.711 h
September 16.8°C6.4°C6.4°C626.711.812 h
October 19.7°C9.2°C9.2°C909.213.013 h
November 23.2°C11.9°C11.9°C948.914.114 h
December 26.6°C14.7°C14.7°C808.714.615 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 Olavarría

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