Climate averages 1991–2020

Santa Rosa, Argentina weather
in July.

A cool, fairly dry month: the coolest and the 2nd driest of the year.

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

Average high 13.3°C Daytime mean, July
Average low 4.1°C Night-time mean, July
Rainfall 19 mm 4 days with ≥1 mm
Daylight 10 h Sunrise to sunset, per day
Every month in Santa Rosa · average highYear overview

July is a cool month in Santa Rosa, Argentina: daytime highs average 13.3°C and nights cool to about 4.1°C. By daytime temperature it is the coolest month of the year.

Expect about 19 mm of rain on roughly 4 days, which makes July a fairly dry month (the 2nd driest of the 12 months). Daylight, from sunrise to sunset, lasts about 9 h 55 min on an average July day.

The nearest other city in this atlas is Bahía Blanca (294 km away). In July its highs average 12.7°C, 0.6°C cooler than Santa Rosa, Argentina, with 34 mm of rain.

Among the 67 cities listed in Argentina, Santa Rosa, Argentina ranks joint 49th of 67 for the warmest July highs and joint 17th of 67 for the driest July (rainfall, lowest first). The mean July high of those 67 cities is 14.6°C; Santa Rosa, Argentina is 1.3°C cooler than that mean.

From July to August, average highs rise by 2.9°C to 16.2°C, and monthly rainfall rises from 19 mm to 27 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. 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 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, selected 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

July 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.