San Nicolás de los Arroyos Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit San Nicolás de los Arroyos.
Climate overview of San Nicolás de los Arroyos
The climate in San Nicolás de los Arroyos, Buenos Aires Province, Argentina, is marked by large temperature swings across the seasons, ranging from 32°C (90°F) in January to 17°C (63°F) in July.
The city has a wet climate, receiving around 1089 mm (43 in) of rainfall per year. Despite the high annual total, it has very warm summers and mild winters. February is the wettest month. The sunniest month is January, with 9.6 hours of sunshine per day on average.
San Nicolás de los Arroyos Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in San Nicolás de los Arroyos - and find the best time to visit.
Monthly Temperature in San Nicolás de los Arroyos
In San Nicolás de los Arroyos, temperatures differ significantly between summer and winter months. On average, daytime temperatures range from a very warm 32°C (90°F) in January to a moderate 17°C (63°F) in July.
Nighttime temperatures range from 19°C (66°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 Nicolás de los Arroyos
San Nicolás de los Arroyos experiences significant rainfall throughout the year, averaging 1089 mm (43 in) of precipitation annually. The seasons in San Nicolás de los Arroyos bring significant changes in precipitation. The wettest month, February, receives high rainfall, with an average of 122 mm (4.8 in) of precipitation. This rainfall is distributed across 8 rainy days.
In contrast, the driest month, July, experiences much less rainfall, totaling 44 mm (1.7 in) over 6 rainy days. These distinct seasonal differences provide diverse experiences throughout the year. For more details, please visit our San Nicolás de los Arroyos 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 Nicolás de los Arroyos
In San Nicolás de los Arroyos, summer days are longer and more sunny, with daily sunshine hours peaking at 9.6 hours in January. As the darker season arrives, the brightness of the sun becomes less. June sees a soft sun for only 4.8 hours per average day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Daily percentage of sunshine
Humidity in San Nicolás de los Arroyos by Month
The relative humidity is high throughout the year in San Nicolás de los Arroyos.
The city experiences its highest humidity in June, reaching 82%. In December, the humidity drops to its lowest level at 66%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Best Time to Visit San Nicolás de los Arroyos
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
- Most sunshine: January and December
- Seasonal pattern: Very warm summers and mild winters
Frequently asked questions about the climate in San Nicolás de los Arroyos
What is the best time to visit San Nicolás de los Arroyos?
May, August and September typically offer the most optimal weather in San Nicolás de los Arroyos. In contrast, January, February and December tend to have less optimal conditions. San Nicolás de los Arroyos has very warm summers and mild winters.
What temperatures can I expect in San Nicolás de los Arroyos?
Daytime highs range from 17°C (63°F) in July to 32°C (90°F) in January. Nighttime lows range from 7°C (45°F) to 19°C (66°F). Temperatures vary considerably through the year.
How much rain does San Nicolás de los Arroyos get?
Annual rainfall is around 1089 mm (43 in). February is the wettest month with 122 mm (4.8 in), while July is the driest with 44 mm (1.7 in).
How sunny is San Nicolás de los Arroyos?
San Nicolás de los Arroyos receives around 2,569 hours of sunshine per year. January is the sunniest month with 287 hours, while June is the cloudiest with just 145 hours. Overall, San Nicolás de los Arroyos enjoys abundant sunshine.
San Nicolás de los Arroyos 3-Day Forecast
San Nicolás de los Arroyos 3-Day Forecast
San Nicolás de los Arroyos on the map
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