Climate in Río Gallegos, Argentina

Río Gallegos, Argentina has a humid subtropical climate. The annual average temperature is about 10.1°C and the city receives roughly 901 mm of precipitation across 99 rainy days a year, with around 1678 hours of sunshine. The warmest month is Jan (highs near 22.6°C) and the coldest is Jul (lows near -2.4°C). These are deterministic, latitude- and region-based planning estimates — not a forecast or measured station data; check current conditions with an official meteorological service before travel.

Data year 2025; last updated 2026-05-16.

Río Gallegos is classified as Humid Subtropical. This reflects its annual temperature range and the seasonal pattern of its rainfall.

Río Gallegos receives about 901 mm of precipitation a year over roughly 99 rainy days. The wettest month is Jan and the driest is Jul.

Río Gallegos sees an estimated 1678 hours of sunshine a year, concentrated in the warmer months around Jan.

By temperature and rainfall, the most comfortable months in Río Gallegos are Feb, Dec, Jan. Conditions vary year to year — verify with a current forecast before booking.

Río Gallegos has a climate comfort score of 67/100, a comfortable year-round climate by this measure. The score weights mild temperatures most, then rainfall balance, sunshine, low seasonality, and the absence of extreme winter cold or summer heat.