Climate averages 1991–2020

Tandil weather
in October.

A mild, moderately wet month: the 7th warmest and the 11th driest of the year.

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

Average high 18.9°C Daytime mean, October
Average low 8.4°C Night-time mean, October
Rainfall 85 mm 10 days with ≥1 mm
Daylight 13 h Sunrise to sunset, per day
Every month in Tandil · average highYear overview

October is a mild month in Tandil: daytime highs average 18.9°C and nights cool to about 8.4°C. By daytime temperature it is the 7th warmest of the 12 months.

Expect about 85 mm of rain on roughly 10 days, which makes October a moderately wet month (the 11th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 13 h 01 min on an average October day.

The nearest other city in this atlas is Olavarría (116 km away). In October its highs average 19.7°C, 0.8°C warmer than Tandil, with 90 mm of rain.

Among the 67 cities listed in Argentina, Tandil ranks 61st of 67 for the warmest October highs and joint 23rd of 67 for the driest October (rainfall, lowest first). The mean October high of those 67 cities is 22.2°C; Tandil is 3.4°C cooler than that mean.

From October to November, average highs rise by 3.5°C to 22.4°C, and monthly rainfall rises from 85 mm to 90 mm.

The annual picture

October 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 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, selected 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

October 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.