Climate averages 1991–2020

Olavarría weather
in August.

A cool, moderately wet month: the 10th warmest and the 4th driest of the year.

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

Average high 14.7°C Daytime mean, August
Average low 4.9°C Night-time mean, August
Rainfall 54 mm 5 days with ≥1 mm
Daylight 11 h Sunrise to sunset, per day
Every month in Olavarría · average highYear overview

August is a cool month in Olavarría: daytime highs average 14.7°C and nights cool to about 4.9°C. By daytime temperature it is the 10th warmest of the 12 months.

Expect about 54 mm of rain on roughly 5 days, which makes August a moderately wet month (the 4th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 10 h 43 min on an average August day.

The nearest other city in this atlas is Tandil (116 km away). In August its highs average 14.1°C, 0.6°C cooler than Olavarría, with 51 mm of rain.

Among the 67 cities listed in Argentina, Olavarría ranks 59th of 67 for the warmest August highs and 31st of 67 for the driest August (rainfall, lowest first). The mean August high of those 67 cities is 17.2°C; Olavarría is 2.5°C cooler than that mean.

From August to September, average highs rise by 2.1°C to 16.8°C, and monthly rainfall rises from 54 mm to 62 mm.

The annual picture

August 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 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, selected 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

August 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.