Climate averages 1991–2020

Comodoro Rivadavia weather
in January.

A warm, very dry month: the warmest and the driest of the year. Meets the pleasant-weather rule

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

Average high 23.2°C Daytime mean, January
Average low 14.4°C Night-time mean, January
Rainfall 9.6 mm 3 days with ≥1 mm
Daylight 15 h Sunrise to sunset, per day
Every month in Comodoro Rivadavia · average highYear overview

January is a warm month in Comodoro Rivadavia: daytime highs average 23.2°C and nights cool to about 14.4°C. By daytime temperature it is the warmest month of the year.

Expect about 9.6 mm of rain on roughly 3 days, which makes January a very dry month (the driest month of the year). Daylight, from sunrise to sunset, lasts about 15 h 16 min on an average January day.

The nearest other city in this atlas is Trelew (338 km away). In January its highs average 29.1°C, 5.9°C warmer than Comodoro Rivadavia, with 15 mm of rain.

Among the 67 cities listed in Argentina, Comodoro Rivadavia ranks 65th of 67 for the warmest January highs and 1st of 67 for the driest January (rainfall, lowest first). The mean January high of those 67 cities is 29.0°C; Comodoro Rivadavia is 5.8°C cooler than that mean.

From January to February, average highs fall by 1.0°C to 22.1°C, and monthly rainfall rises from 9.6 mm to 20 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. 051015202530 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

Comodoro Rivadavia climate table

1991–2020
Monthly climate averages for Comodoro Rivadavia, 1991–2020
MonthAverage highHigh / lowAverage lowRainfall mm/monthRain days ≥1 mm/dayDaylight hours/dayDay­light h/day
January, selected 23.2°C14.4°C14.4°C9.62.715.315 h
February 22.1°C14.0°C14.0°C203.114.014 h
March 20.2°C12.6°C12.6°C253.712.412 h
April 16.8°C10.1°C10.1°C223.510.811 h
May 12.8°C7.3°C7.3°C294.99.59 h
June 9.5°C4.9°C4.9°C325.58.79 h
July 9.1°C4.1°C4.1°C204.39.09 h
August 11.0°C5.1°C5.1°C215.010.210 h
September 13.3°C6.5°C6.5°C214.411.712 h
October 16.3°C8.6°C8.6°C173.913.413 h
November 19.2°C10.9°C10.9°C143.214.815 h
December 21.5°C12.9°C12.9°C133.015.616 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 Comodoro Rivadavia

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 Comodoro Rivadavia) is explained once on the Comodoro Rivadavia year overview and on the Sources, method and limits page.