Puerto San Julián Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Puerto San Julián.
Climate overview of Puerto San Julián
Puerto San Julián, Santa Cruz, Argentina, experiences significant temperature variation throughout the year. Summers bring daytime highs of 21°C (70°F) in January, while winters cool to 8°C (46°F) in July.
Rain/snowfall is modest, totalling around 253 mm (10 in) annually. The city experiences a distinct dry season from January to December. June tends to be the wettest month. The sunniest month is January, with 8.4 hours of sunshine per day on average.
Puerto San Julián Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Puerto San Julián — and find the best time to visit.
Monthly Temperature in Puerto San Julián
Depending on the time of the year, temperatures range from pleasant to chilly in Puerto San Julián. Average maximum daytime temperatures range from a pleasant 21°C (70°F) in January, the warmest time of the year, to a chilly 8°C (46°F) during cooler months like July.
At night, you can expect temperatures ranging from 11°C (52°F) in January to around 1°C (34°F) during July.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Puerto San Julián
Puerto San Julián has a relatively dry climate with low precipitation, averaging 253 mm (10 in) of rain/snowfall annually. Year-round, Puerto San Julián has a balanced climate with minimal variation in precipitation. The difference between the wettest month, June, with 26 mm (1 in), and the driest month, April, with 17 mm (0.7 in), is minimal. For more details, please visit our Puerto San Julián 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 Puerto San Julián
Seasonal changes in sunshine hours are quite dramatic in Puerto San Julián. While January receives considerable daily sunshine with up to 8.4 hours, June marks the darkest time of the year, where sunshine is scarce with only 3.6 hours of sunlight per day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Water Temperature in Puerto San Julián
The mean water temperature over the year ranges from 6°C (43°F) in September to 12°C (54°F) in January.
Water temperature over the year
Humidity in Puerto San Julián by Month
The relative humidity is high throughout the year in Puerto San Julián.
The city experiences its highest humidity in June, reaching 76%. In January, the humidity drops to its lowest level at 50%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Wind Speed in Puerto San Julián
The mean wind speed over the year ranges from 3 m/s (6 knots) in April, May, June, July and August to 5 m/s (10 knots) in January, October and November. What does this mean?
The mean monthly wind speed over the year (meters per second)
Best Time to Visit Puerto San Julián
Rainfall during this time ranges from 20 mm (0.8 in) in January to 26 mm (1 in) in February. This means you can expect a mix of sunny days and occasional showers. 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.
Frequently asked questions about the climate in Puerto San Julián
What is the best time to visit Puerto San Julián?
January, February, March, November and December typically offer the most optimal weather in Puerto San Julián. In contrast, June, July and August tend to have less optimal conditions. Puerto San Julián has a distinct dry season from January to December.
What temperatures can I expect in Puerto San Julián?
Daytime highs range from 8°C (46°F) in July to 21°C (70°F) in January. Nighttime lows range from 1°C (34°F) to 11°C (52°F). Temperatures vary considerably through the year.
How much rain does Puerto San Julián get?
Annual rainfall is around 253 mm (10 in). June is the wettest month with 26 mm (1 in), while April is the driest with 17 mm (0.7 in).
How sunny is Puerto San Julián?
Puerto San Julián receives around 2,135 hours of sunshine per year. January is the sunniest month with 252 hours, while June is the cloudiest with just 109 hours. Overall, Puerto San Julián enjoys abundant sunshine.
Puerto San Julián 3-Day Forecast
Puerto San Julián 3-Day Forecast
Puerto San Julián on the map
Puerto San Julián is highlighted — select any city to see its climate.
Popular this month
Where to go in June — average daytime high across popular destinations.
Córdoba
18°C (64°F) Salta
18°C (64°F) Buenos Aires17°C (63°F) Villa Carlos Paz17°C (63°F) Mendoza15°C (59°F) Mar del Plata14°C (57°F) San Carlos de Bariloche
5°C (41°F) San Martín de los Andes5°C (41°F) 
Bucket list
Need travel inspiration? Check out our bucket list articles and be inspired.
The 10 most alternative cities in South America
Discover South America's top 10 alternative cities! From Valparaíso's vibrant streets to La Paz's high-altitude charm and Medellín's innovative spirit.
Be amazed by Buenos Aires
The city of beautiful museums, cute streets, green parks, lots of good food, interesting local neighborhoods and impressive historical buildings.
Explore Patagonia
A tour through Patagonia brings you to the end of the world. That’s why Patagonia is a bucket list destination for many. We recommend to visit Patagonia from November to early March.
Glacier walk on The Perito Moreno glacier
The Perito Moreno glacier and the rupture of this glacier is considered one of the most impressive natural spectacles in the world. You can wait here until a large piece of ice crumbles and plunges into the water with a lot of noise.