Climate averages 1991–2020

Río Gallegos weather
in January.

A mild, moderately wet month: the warmest and the 11th driest of the year.

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

Average high 18.3°C Daytime mean, January
Average low 8.5°C Night-time mean, January
Rainfall 42 mm 11 days with ≥1 mm
Daylight 16 h Sunrise to sunset, per day
Every month in Río Gallegos · average highYear overview

January is a mild month in Río Gallegos: daytime highs average 18.3°C and nights cool to about 8.5°C. By daytime temperature it is the warmest month of the year.

Expect about 42 mm of rain on roughly 11 days, which makes January a moderately wet month (the 11th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 16 h 03 min on an average January day.

The nearest other city in this atlas is Punta Arenas (205 km away). In January its highs average 12.3°C, 5.9°C cooler than Río Gallegos, with 89 mm of rain.

Among the 67 cities listed in Argentina, Río Gallegos ranks 67th of 67 for the warmest January highs and 9th of 67 for the driest January (rainfall, lowest first). The mean January high of those 67 cities is 29.0°C; Río Gallegos is 10.7°C cooler than that mean.

From January to February, average highs fall by 0.3°C to 17.9°C, and monthly rainfall falls from 42 mm to 34 mm.

The annual picture

January 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, selected 18.3°C8.5°C8.5°C4210.916.116 h
February 17.9°C8.2°C8.2°C348.314.514 h
March 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

January 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.