Climate averages 1991–2020

Tandil weather
in April.

A mild, moderately wet month: the 6th warmest and the joint 9th driest of the year. Meets the pleasant-weather rule

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

Average high 19.2°C Daytime mean, April
Average low 10.1°C Night-time mean, April
Rainfall 81 mm 8 days with ≥1 mm
Daylight 11 h Sunrise to sunset, per day
Every month in Tandil · average highYear overview

April is a mild month in Tandil: daytime highs average 19.2°C and nights cool to about 10.1°C. By daytime temperature it is the 6th warmest of the 12 months.

Expect about 81 mm of rain on roughly 8 days, which makes April a moderately wet month (the joint 9th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 11 h 09 min on an average April day.

The nearest other city in this atlas is Olavarría (116 km away). In April its highs average 19.8°C, 0.5°C warmer than Tandil, with 85 mm of rain.

Among the 67 cities listed in Argentina, Tandil ranks 61st of 67 for the warmest April highs and 23rd of 67 for the driest April (rainfall, lowest first). The mean April high of those 67 cities is 21.8°C; Tandil is 2.6°C cooler than that mean.

From April to May, average highs fall by 3.7°C to 15.5°C, and monthly rainfall falls from 81 mm to 42 mm.

The annual picture

April 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, selected 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 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

April 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.