Río Gallegos Weather & Climate: Best Time to Visit
Río Gallegos, Santa Cruz, Argentina, sees big temperature differences between seasons, with January peaking at 20°C (68°F) and July dropping to 7°C (45°F).
Rain/snowfall is modest, totalling around 397 mm (16 in) annually. The city experiences a distinct dry season from March to November. December tends to be the wettest month. October is the sunniest month, averaging 5.5 hours of sunshine per day.
Monthly Temperature in Río Gallegos
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 July.
At night, you can expect temperatures ranging from 8°C (46°F) in January to around -1°C (30°F) during July.Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Río Gallegos
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
Sunshine Hours in Río Gallegos
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
Water Temperature in Río Gallegos
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
Humidity in Río Gallegos by Month
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
Wind Speed in Río Gallegos
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)
Río Gallegos 3-Day Forecast
Check the conditions for any month of the year.
Best Time to Visit Río Gallegos
During January, February and December, Río Gallegos experiences its most favorable weather, with temperatures between 19°C (65°F) and 20°C (67°F). These mild conditions make it an excellent time for a visit.The weather does bring rainfall during this period, between 41 mm (1.6 in) and 53 mm (2.1 in). Seeking the perfect travel destination for this year? We've created a tool that suggests locations matching your desired weather. Let our weather planner guide your travel decisions.
