Climate averages 1991–2020

Río Gallegos weather
in March.

A mild, fairly dry month: the 5th warmest and the 10th driest of the year.

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

Average high 15.7°C Daytime mean, March
Average low 6.8°C Night-time mean, March
Rainfall 37 mm 9 days with ≥1 mm
Daylight 13 h Sunrise to sunset, per day
Every month in Río Gallegos · average highYear overview

March is a mild month in Río Gallegos: daytime highs average 15.7°C and nights cool to about 6.8°C. By daytime temperature it is the 5th warmest of the 12 months.

Expect about 37 mm of rain on roughly 9 days, which makes March a fairly dry month (the 10th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 31 min on an average March day.

The nearest other city in this atlas is Punta Arenas (205 km away). In March its highs average 11.1°C, 4.6°C cooler than Río Gallegos, with 83 mm of rain.

Among the 67 cities listed in Argentina, Río Gallegos ranks 67th of 67 for the warmest March highs and 8th of 67 for the driest March (rainfall, lowest first). The mean March high of those 67 cities is 25.6°C; Río Gallegos is 9.9°C cooler than that mean.

From March to April, average highs fall by 3.6°C to 12.1°C, and monthly rainfall falls from 37 mm to 29 mm.

The annual picture

March 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. -50510152025 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

Río Gallegos climate table

1991–2020
Monthly climate averages for Río Gallegos, 1991–2020
MonthAverage highHigh / lowAverage lowRainfall mm/monthRain days ≥1 mm/dayDaylight hours/dayDay­light h/day
January 18.3°C8.5°C8.5°C4210.916.116 h
February 17.9°C8.2°C8.2°C348.314.514 h
March, selected 15.7°C6.8°C6.8°C379.012.513 h
April 12.1°C4.1°C4.1°C297.410.511 h
May 7.9°C1.3°C1.3°C265.98.89 h
June 4.5°C-1.2°C-1.2°C225.77.98 h
July 4.6°C-1.6°C-1.6°C205.58.38 h
August 6.9°C-0.4°C-0.4°C215.39.810 h
September 10.0°C1.4°C1.4°C216.111.712 h
October 13.6°C3.6°C3.6°C226.513.614 h
November 16.0°C5.8°C5.8°C319.215.515 h
December 17.2°C7.5°C7.5°C4812.116.517 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

March in nearby cities

Distance from Río Gallegos

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 Río Gallegos) is explained once on the Río Gallegos year overview and on the Sources, method and limits page.