Climate averages 1991–2020

Santa Rosa, Argentina weather
in April.

A mild, moderately wet month: the 7th warmest and the 6th driest of the year. Meets the pleasant-weather rule

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

Average high 21.0°C Daytime mean, April
Average low 11.8°C Night-time mean, April
Rainfall 67 mm 6 days with ≥1 mm
Daylight 11 h Sunrise to sunset, per day
Every month in Santa Rosa · average highYear overview

April is a mild month in Santa Rosa, Argentina: daytime highs average 21.0°C and nights cool to about 11.8°C. By daytime temperature it is the 7th warmest of the 12 months.

Expect about 67 mm of rain on roughly 6 days, which makes April a moderately wet month (the 6th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 11 h 11 min on an average April day.

The nearest other city in this atlas is Bahía Blanca (294 km away). In April its highs average 20.7°C, about as warm as Santa Rosa, Argentina, with 55 mm of rain.

Among the 67 cities listed in Argentina, Santa Rosa, Argentina ranks joint 49th of 67 for the warmest April highs and joint 15th of 67 for the driest April (rainfall, lowest first). The mean April high of those 67 cities is 21.8°C; Santa Rosa, Argentina is 0.8°C cooler than that mean.

From April to May, average highs fall by 4.0°C to 17.0°C, and monthly rainfall falls from 67 mm to 30 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. 05101520253035 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

Santa Rosa, Argentina climate table

1991–2020
Monthly climate averages for Santa Rosa, Argentina, 1991–2020
MonthAverage highHigh / lowAverage lowRainfall mm/monthRain days ≥1 mm/dayDaylight hours/dayDay­light h/day
January 30.1°C19.0°C19.0°C829.014.314 h
February 28.3°C17.7°C17.7°C817.913.513 h
March 25.6°C15.8°C15.8°C868.012.312 h
April, selected 21.0°C11.8°C11.8°C676.311.211 h
May 17.0°C8.6°C8.6°C305.010.210 h
June 13.9°C5.1°C5.1°C163.39.710 h
July 13.3°C4.1°C4.1°C193.79.910 h
August 16.2°C5.7°C5.7°C274.010.711 h
September 18.9°C8.0°C8.0°C485.811.812 h
October 21.9°C11.2°C11.2°C829.613.013 h
November 25.7°C14.5°C14.5°C748.014.014 h
December 28.9°C17.5°C17.5°C858.514.615 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

April in nearby cities

Distance from Santa Rosa

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 Santa Rosa) is explained once on the Santa Rosa, Argentina year overview and on the Sources, method and limits page.