Río Gallegos Weather & Climate: Best Time to Visit

Visitors to Río Gallegos can expect significant temperature changes throughout the year. Average maximum daytime temperatures range from a pleasant 20°C (68°F) in January, the warmest time of the year, to a chilly 7°C (45°F) during cooler months like June.

At night, you can expect temperatures ranging from 8°C (46°F) in January to around -1°C (30°F) during June.

Check out our detailed temperature page for more information.

Temperature ranges by month

Río Gallegos's climate is marked by below-average rain/snowfall, accumulating 397 mm (16 in) of precipitation yearly. Significant seasonal changes in precipitation occur throughout the year. In the wettest month, December it receives moderate rainfall, averaging 53 mm (2.1 in) of precipitation, recorded across 9 rainy days. In contrast, the driest month July brings less snow/rainfall, with 23 mm (0.9 in) over 7 snowy/rainy days. For more details, please visit our Río Gallegos Precipitation page.

The mean monthly precipitation over the year, including rain, hail, and snow

The average number of days each month with precipitation

Seasonal changes in sunshine hours are quite dramatic in Río Gallegos. While October receives considerable daily sunshine with up to 5.5 hours, July marks the darkest time of the year, where sunshine is scarce with only 2.8 hours of sunlight per day.

Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Daily hours of sunshine

Daily percentage of sunshine

The mean water temperature over the year ranges from 4°C (39°F) in July to 10°C (50°F) in January.

Water temperature over the year

The relative humidity is high throughout the year in Río Gallegos.

The city experiences its highest humidity in June, reaching 80%. In January, the humidity drops to its lowest level at 52%. What does this mean? Read our detailed page on humidity levels for further details.

Relative humidity over the year

The mean wind speed varies between 5 m/s (10 knots) and 9 m/s (17 knots) throughout the year. It is lowest in May and July and highest during November and December. What does this mean?

The mean monthly wind speed over the year (meters per second)