San Fernando Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit San Fernando.
Climate overview of San Fernando
Temperatures in San Fernando, Buenos Aires Province, Argentina, vary greatly throughout the year. January is the hottest month at 29°C (84°F), while July is the coldest at 15°C (59°F).
The city has a wet climate, receiving around 1098 mm (43 in) of rainfall per year. Despite the high annual total, it has warm summers and mild winters. October is the wettest month. January is the sunniest month, averaging 9.5 hours of sunshine per day.
San Fernando Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in San Fernando - and find the best time to visit.
Monthly Temperature in San Fernando
The climate in San Fernando is known for significant temperature differences throughout the year, making the weather dynamic. On average, daytime temperatures range from a comfortable 29°C (84°F) in January to a moderate 15°C (59°F) in July.
Nighttime temperatures range from 20°C (68°F) in January to 7°C (45°F) in July.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in San Fernando
San Fernando has a notably wet climate with abundant precipitation, recording 1098 mm (43 in) of rainfall per year. The amount of precipitation varies moderately throughout the year. The wettest month, October, sees around 124 mm (4.9 in) of rainfall, perfect for those who enjoy a bit of rain now and then. The driest month, July, still receives a respectable 72 mm (2.8 in) of rainfall. For more details, please visit our San Fernando 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 San Fernando
In San Fernando, summer days are longer and more sunny, with daily sunshine hours peaking at 9.5 hours in January. As the darker season arrives, the brightness of the sun becomes less. June sees a soft sun for only 4.4 hours per average day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Humidity in San Fernando by Month
The relative humidity is high throughout the year in San Fernando.
The city experiences its highest humidity in June, reaching 79%. In December, the humidity drops to its lowest level at 63%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Best Time to Visit San Fernando
Each month is rated for comfortable sightseeing weather — mild temperatures and low rainfall. Tap a month for its full averages; your ideal time may differ for a beach or winter trip (see below).
- Best overall: January, November and December
- Warmest weather: January, February and December
- Most sunshine: January and December
- Climate seasons: warm summers and mild winters
Frequently asked questions about the climate in San Fernando
What is the best time to visit San Fernando?
January, November and December typically offer the most optimal weather in San Fernando. In contrast, June, July and August tend to have less optimal conditions. San Fernando has warm summers and mild winters.
What temperatures can I expect in San Fernando?
Daytime highs range from 15°C (59°F) in July to 29°C (84°F) in January. Nighttime lows range from 7°C (45°F) to 20°C (68°F). Temperatures vary considerably through the year.
How much rain does San Fernando get?
Annual rainfall is around 1098 mm (43 in). October is the wettest month with 124 mm (4.9 in), while July is the driest with 72 mm (2.8 in).
How sunny is San Fernando?
San Fernando receives around 2,526 hours of sunshine per year. January is the sunniest month with 285 hours, while June is the cloudiest with just 132 hours. Overall, San Fernando enjoys abundant sunshine.
San Fernando 3-Day Forecast
San Fernando 3-Day Forecast
San Fernando on the map
San Fernando is highlighted - select any city to see its climate.
Popular this month
Where to go in July - average daytime high across popular destinations.
Córdoba
18°C (64°F) Salta
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4°C (39°F) San Martín de los Andes4°C (39°F) 
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