Junín Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Junín.
Climate overview of Junín
Temperatures in Junín, Buenos Aires Province, Argentina, vary greatly throughout the year. January is the hottest month at 30°C (86°F), while July is the coldest at 16°C (61°F).
The city receives considerable rainfall, with around 1025 mm (40 in) annually. October is the wettest month. January is the sunniest month, averaging 9.3 hours of sunshine per day.
Junín Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Junín — and find the best time to visit.
Monthly Temperature in Junín
The climate in Junín is known for significant temperature differences throughout the year, making the weather dynamic. Typically, average maximum daytime temperatures range from a very warm 30°C (86°F) in January to a moderate 16°C (61°F) in the coolest month, July.
Nights vary from 18°C (64°F) in January to around 5°C (41°F) during the colder months.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Junín
Junín has a notably wet climate with abundant precipitation, recording 1025 mm (40 in) of rainfall per year. The climate in Junín shows significant variation throughout the year. Expect high rainfall in October, the wettest month, with an average of 122 mm (4.8 in) of precipitation over 9 rainy days.
In contrast, the driest month July offers drier and sunnier days, with around 36 mm (1.4 in) of rainfall over 5 rainy days. For more details, please visit our Junín 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 Junín
For those who appreciate different seasons, Junín serves as an ideal destination. Expect longer, more sun-filled days in January with an average of 9.3 hours of sunshine daily, and embrace the darker days in June, offering only 4.4 hours of daily sunlight.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Daily percentage of sunshine
Humidity in Junín by Month
The relative humidity is high throughout the year in Junín.
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
Wind Speed in Junín
The average wind speed over the year ranges from 1 m/s (2 knots) to 2 m/s (4 knots). It is lower in March, April and June and higher in January, February, May, July, August, September, October, November and December. What does this mean?
The mean monthly wind speed over the year (meters per second)
Best Time to Visit Junín
Frequently asked questions about the climate in Junín
What is the best time to visit Junín?
April, May and September typically offer the most optimal weather in Junín. In contrast, January and December tend to have less optimal conditions.
What temperatures can I expect in Junín?
Daytime highs range from 16°C (61°F) in July to 30°C (86°F) in January. Nighttime lows range from 5°C (41°F) to 18°C (64°F). Temperatures vary considerably through the year.
How much rain does Junín get?
Annual rainfall is around 1025 mm (40 in). October is the wettest month with 122 mm (4.8 in), while July is the driest with 36 mm (1.4 in).
How sunny is Junín?
Junín receives around 2,480 hours of sunshine per year. January is the sunniest month with 278 hours, while June is the cloudiest with just 132 hours. Overall, Junín enjoys abundant sunshine.
Junín 3-Day Forecast
Junín 3-Day Forecast
Junín on the map
Junín is highlighted — select any city to see its climate.
Popular this month
Where to go in July — average daytime high across popular destinations.
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4°C (39°F) San Martín de los Andes4°C (39°F) 
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