San José Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit San José.
Climate overview of San José
Temperatures in San José, Entre Ríos, Argentina, vary greatly throughout the year. January is the hottest month at 32°C (90°F), while July is the coldest at 18°C (64°F).
Rainfall is high, totalling around 1319 mm (52 in) per year. April is the wettest month and July the driest. The city also experiences very warm summers and pleasant winters.
San José Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in San José - and find the best time to visit.
Monthly Temperature in San José
The climate in San José is known for significant temperature differences throughout the year, making the weather dynamic. Average maximum daytime temperatures range from a very warm 32°C (90°F) in January, the warmest time of the year, to a pleasant 18°C (64°F) during cooler months like July.
At night, you can expect temperatures ranging from 20°C (68°F) in January to around 7°C (45°F) during July.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in San José
San José has a notably wet climate with abundant precipitation, recording 1319 mm (52 in) of rainfall per year. While rainfall varies throughout the year, each season offers its own charm. April brings wetter days averaging 149 mm (5.9 in) of precipitation, spread over 7 rainy days.
In contrast, the driest month July experiences a drier climate, with about 74 mm (2.9 in) of rainfall spread across 7 rainy days. For more details, please visit our San José Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Best Time to Visit San José
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: May, August and September
- Warmest weather: January, February and December
- Seasonal pattern: Very warm summers and pleasant winters
Frequently asked questions about the climate in San José
What is the best time to visit San José?
May, August and September typically offer the most optimal weather in San José. In contrast, January, February and December tend to have less optimal conditions. San José has very warm summers and pleasant winters.
What temperatures can I expect in San José?
Daytime highs range from 18°C (64°F) in July to 32°C (90°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 José get?
Annual rainfall is around 1319 mm (52 in). April is the wettest month with 149 mm (5.9 in), while July is the driest with 74 mm (2.9 in).
San José 3-Day Forecast
San José on the map
San José is highlighted - select any city to see its climate.
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