Climate averages 1991–2020

Tandil weather
in July.

A cool, moderately wet month: the coolest and the driest of the year.

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

Average high 11.6°C Daytime mean, July
Average low 3.5°C Night-time mean, July
Rainfall 40 mm 5 days with ≥1 mm
Daylight 10 h Sunrise to sunset, per day
Every month in Tandil · average highYear overview

July is a cool month in Tandil: daytime highs average 11.6°C and nights cool to about 3.5°C. By daytime temperature it is the coolest month of the year.

Expect about 40 mm of rain on roughly 5 days, which makes July a moderately wet month (the driest month of the year). Daylight, from sunrise to sunset, lasts about 9 h 51 min on an average July day.

The nearest other city in this atlas is Olavarría (116 km away). In July its highs average 12.1°C, about as warm as Tandil, with 38 mm of rain.

Among the 67 cities listed in Argentina, Tandil ranks 63rd of 67 for the warmest July highs and 32nd of 67 for the driest July (rainfall, lowest first). The mean July high of those 67 cities is 14.6°C; Tandil is 3.0°C cooler than that mean.

From July to August, average highs rise by 2.5°C to 14.1°C, and monthly rainfall rises from 40 mm to 51 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. 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

Tandil climate table

1991–2020
Monthly climate averages for Tandil, 1991–2020
MonthAverage highHigh / lowAverage lowRainfall mm/monthRain days ≥1 mm/dayDaylight hours/dayDay­light h/day
January 27.1°C15.3°C15.3°C819.114.414 h
February 25.7°C14.9°C14.9°C738.013.514 h
March 23.3°C13.2°C13.2°C748.012.312 h
April 19.2°C10.1°C10.1°C817.611.211 h
May 15.5°C7.4°C7.4°C425.610.210 h
June 12.4°C4.6°C4.6°C414.89.610 h
July, selected 11.6°C3.5°C3.5°C405.39.910 h
August 14.1°C4.6°C4.6°C515.510.711 h
September 16.0°C5.8°C5.8°C597.011.812 h
October 18.9°C8.4°C8.4°C859.513.013 h
November 22.4°C10.9°C10.9°C909.514.114 h
December 25.9°C13.7°C13.7°C768.614.715 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 Tandil

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