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El Challao in Mendoza Province, Argentina sees significant seasonal temperature differences, with daytime highs between 12°C (54°F) in July and 28°C (82°F) in January, averaging 20°C (68°F) annually. Explore the full monthly breakdown below.
The climate in El Challao is known for significant temperature differences throughout the year. At night, this contrast is just as clear, with lows ranging from 15°C (59°F) in January to 0°C (32°F) in July.
The chart below illustrates the average maximum day and minimum night temperatures in El Challao by month:
Low temperatures are most often recorded between 4 AM and 6 AM, while highs typically occur around 3 PM. January, the city's warmest month, sees 311 hours of sunshine.
The chart below shows the average temperature throughout the year:
The map below shows the annual temperature across Argentina. You can also select individual months if you want to compare a specific time of year.
El Challao's average annual maximum temperature is 20°C (68°F). To put that in context, here's how it compares to a few well-known destinations:
Barcelona, Spain has an annual average of around 21°C (70°F), with warm summers and mild, fairly short winters.
On the cooler end, Oslo, Norway averages just 10°C (50°F) annually, with pleasant summers but long, cold winters.
Buenos Aires, Argentina averages 23°C (73°F) a year, with hot summers and mild winters, and seasons reversed compared to Europe.
Adelaide, Australia averages 21°C (70°F) a year, with warm summers, mild winters, and relatively low rainfall year-round.
Temperature alone doesn't tell the whole story, humidity plays a big role in how warm or cold it actually feels. High humidity in summer makes the heat feel more intense, particularly once temperatures climb above 25°C. In winter, the same humidity can make cold air feel sharper than the thermometer suggests.
In the cooler months, when temperatures drop below 10°C, high humidity makes the cold feel more cutting than it would in dry conditions.
In El Challao, July is the coolest month, with average highs of 12°C (54°F) and humidity around 64%, considered high. In January, the warmest month, temperatures average 28°C (82°F) with 50% humidity, conditions that feel moderate. For a full picture, see our humidity page.
Climate temperature data is typically calculated as a 30-year average. This smooths out year-to-year variability and gives a more reliable picture of what a place is actually like, rather than what happened in any single unusual year.
The readings come from a range of sources, land-based weather stations, ocean buoys, ships, and satellites. That data is collected by weather services around the world, then pooled, quality-checked, and averaged to produce the climate records you see here.
For cities and regions with significant elevation, altitude is one of the biggest factors shaping local temperatures. As a rule of thumb, temperatures fall by around 6°C for every 1,000 metres gained, so a city at 2,000 metres will typically be around 12°C cooler than a city at sea level in the same region. Higher ground also tends to see more dramatic day-to-night temperature swings, since thinner air loses heat faster after sunset.
For more on El Challao's weather, including monthly rainfall, sunshine hours, and humidity, visit our El Challao climate page.
Pick a month to see the average temperature, rainfall and sunshine in El Challao - and find the best time to visit.
Temperature Rainfall Sunshine Humidity Wind Speed
See the full El Challao climate overview or explore weather in Argentina.
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