Climate averages 1991–2020

San Martín weather
in June.

A cool, very dry month: the 11th warmest and the driest of the year.

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

Average high 14.9°C Daytime mean, June
Average low 4.4°C Night-time mean, June
Rainfall 5.5 mm 1 day with ≥1 mm
Daylight 10 h Sunrise to sunset, per day
Every month in San Martín · average highYear overview

June is a cool month in San Martín: daytime highs average 14.9°C and nights cool to about 4.4°C. By daytime temperature it is the 11th warmest of the 12 months.

Expect about 5.5 mm of rain on roughly 1 day, which makes June a very dry month (the driest month of the year). Daylight, from sunrise to sunset, lasts about 10 h 00 min on an average June day.

The nearest other city in this atlas is Mendoza (41 km away). In June its highs average 13.0°C, 1.9°C cooler than San Martín, with 21 mm of rain.

Among the 67 cities listed in Argentina, San Martín ranks joint 38th of 67 for the warmest June highs and 1st of 67 for the driest June (rainfall, lowest first). The mean June high of those 67 cities is 15.3°C; San Martín is 0.4°C cooler than that mean.

From June to July, average highs fall by 0.5°C to 14.5°C, and monthly rainfall rises from 5.5 mm to 5.6 mm.

The annual picture

June 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 500

Averages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated

Every month, side by side

San Martín climate table

1991–2020
Monthly climate averages for San Martín, 1991–2020
MonthAverage highHigh / lowAverage lowRainfall mm/monthRain days ≥1 mm/dayDaylight hours/dayDay­light h/day
January 31.3°C20.0°C20.0°C487.714.114 h
February 29.7°C18.6°C18.6°C386.413.313 h
March 26.7°C16.3°C16.3°C436.212.312 h
April 22.0°C11.9°C11.9°C204.311.311 h
May 17.8°C8.1°C8.1°C122.610.410 h
June, selected 14.9°C4.4°C4.4°C5.51.310.010 h
July 14.5°C3.2°C3.2°C5.61.610.210 h
August 17.7°C5.3°C5.3°C101.910.911 h
September 21.1°C8.5°C8.5°C112.311.912 h
October 24.9°C12.5°C12.5°C203.912.913 h
November 28.4°C16.0°C16.0°C275.113.814 h
December 30.9°C18.8°C18.8°C396.714.314 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

June in nearby cities

Distance from San Martín

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