Last updated: August 21, 2025
In March, Mendoza, Argentina experiences a delightful transition into autumn, featuring an impressive temperature range that peaks at 37°C (98°F), while settling into a comfortable average of 22°C (71°F). Evenings cool down to a refreshing 7°C (45°F), making it perfect for outdoor activities. With 34 mm (1.3 in) of precipitation over just 6 days, the month offers a brief respite from the heat, complemented by a moderate humidity level of 54%. This blend of warmth and occasional showers creates an inviting atmosphere for both locals and visitors to enjoy the natural beauty and vibrant culture of Mendoza.
In Mendoza, Argentina, March marks a transition into milder temperatures after the heat of summer. With a minimum of 7°C (45°F) and an average temperature of 22°C (71°F), this month offers a comfortable reprieve from the soaring highs that peak at 37°C (98°F). As autumn approaches, the temperatures begin to gradually decline, setting the stage for cooler nights and invigorating days. Compared to the scorching months of January and February, where temperatures regularly exceeded 39°C (102°F), March presents a refreshing shift, inviting outdoor activities amidst the picturesque landscapes of the region. This trend of decreasing temperatures continues into April, making March an ideal time for visitors to experience the beautiful vineyards and breathtaking scenery without the intense summer heat.
March in Mendoza, Argentina, sees a moderate precipitation amount of 34 mm (1.3 in), which falls slightly below February's total of 44 mm (1.7 in). With 6 days of rainfall, March continues the trend of a wet summer leading into autumn, though it signals a gradual decline in precipitation as the year progresses. Following March, April inches up slightly to 37 mm (1.5 in), suggesting a continuation of this transitional phase across Mendoza's climate. This month effectively captures the shift from the wetter summer season to the drier winter months that lie ahead, as the rainfall starts becoming less frequent. Throughout the year, these patterns reflect the dynamic interplay of Mendoza's unique weather, which shapes the landscape and influences the region's well-known vineyards.
As March unfolds in Mendoza, Argentina, humidity levels continue to rise, reaching 54%—a notable increase from February's 46%. This upward trend marks the transition into early autumn, reflecting the region's shift from the dry summer months. The gradual rise in humidity is indicative of the seasonal changes, leading into April's even higher average of 65%. This pattern suggests that as the warmer months wane, Mendoza experiences a gradual embrace of moister air, setting the stage for lush growth and vibrant landscapes ahead. The journey from the low of 40% in January to the higher figures in April and beyond encapsulates a dynamic climate, uniquely defining Mendoza's seasonal rhythm.
In March, Mendoza, Argentina, experiences a UV Index of 12, categorizing it as extreme, with a burn time of just 10 minutes. This marks a slight decline from the peak UV levels seen in January and February, but caution is still essential. As summer gives way to autumn, the intensity of UV radiation begins to taper off, though it remains significant. The trend shows that exposure remains high throughout the early part of the year, underscoring the importance of sun protection. As you enjoy the beautiful harvest season, don't forget to protect your skin from those lingering rays. For more detailed information on UV levels throughout the year, check out Mendoza UV Index.
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March in Mendoza, Argentina, shines brightly with 336 hours of glorious sunshine, marking a delightful peak that signals the transition into autumn. Following closely behind is February with 327 hours, while January boasts the year's highest total of 313 hours, highlighting a consistent pattern of abundant sunlight in the summer months. This radiant trend continues into September, when daylight tapers off to 322 hours, only to revive as October approaches, offering 358 hours of sunshine. The gradual decrease into winter is evident in April's 284 hours and May's 271 hours, yet each month still showcases Mendoza's reputation for impressive sunlight, making it a captivating destination year-round.
In March, Mendoza, Argentina experiences a 59% chance of sunny weather, a slight dip compared to the vibrant sun-soaked days of January and February, which boast 70% and 63% respectively. As the region transitions into autumn, the likelihood of sunshine continues to fluctuate, with April jumping back up to 71%. This trend showcases the dynamic weather patterns typical of Mendoza, where July shines the brightest with an impressive 87% chance of sun. As we move through the months, it’s clear that Mendoza’s weather offers a delightful mix, making it a captivating destination for sun-seekers year-round.
In Mendoza, Argentina, the transition from summer to fall is marked by a gradual decrease in daylight duration throughout March, where the sun graces the sky for 12 hours. This decline is part of a broader trend as the days shorten from the peak of 14 hours in January. Moving through the months, daylight hours steadily wane, dipping to 11 hours in April and reaching their annual low at 9 hours in June. However, this seasonal rhythm soon reverses, bringing a gradual increase in daylight as winter gives way to spring, resulting in a charming cycle that reflects the region's temperate climate and natural beauty.
March in Mendoza, Argentina, brings a gentle breeze with an average wind speed of 2.4 m/s (5 mph), slightly higher than the calmer months of January and February. This subtle uptick heralds the transition into autumn, where winds gradually begin to strengthen. As the season progresses, one can expect a further decrease in wind speeds, with April dipping to 1.9 m/s (4 mph). Notably, this month is marked not just by its breezy afternoons but also by a distinct change in the vineyard landscape, as the warm summer winds give way to cooler autumn air. Thus, March serves as a bridge, setting the stage for the serene, tranquil conditions that follow, while still embracing the last whispers of summer.
Weather in Mendoza varies notably across the year, with each month offering distinct climate conditions. This page compares March’s weather to other months in Mendoza, focusing on differences in temperature, rainfall, humidity, and UV levels.
In comparing the weather of March and January, March tends to be slightly cooler, with minimum temperatures averaging around 7°C (45°F) compared to January's minimum of 9°C (49°F). However, January experiences higher average temperatures of 26°C (80°F) and can peak at 40°C (104°F), while March's maximum temperature reaches 37°C (98°F). Precipitation in March is somewhat higher at 34 mm (1.3 in) over six days versus January's 27 mm (1.0 in) over four days. Additionally, March exhibits higher humidity levels at 54%, while January maintains a lower humidity of 40%. For a more detailed look at January weather, check out Mendoza weather in January.
In comparing the weather of February and March, February tends to be slightly warmer, with average temperatures ranging from a minimum of 12°C (54°F) to a maximum of 39°C (103°F), while March presents a cooler range from 7°C (45°F) to 37°C (98°F). February experiences a higher average temperature of 24°C (76°F) compared to March's 22°C (71°F). Additionally, February sees more precipitation, totaling 44 mm (1.7 in) over 7 days, in contrast to March's 34 mm (1.3 in) over 6 days. The humidity in February is also lower at 46%, compared to March's 54%. For a detailed look at February's weather, you can check Mendoza weather in February.
March generally experiences warmer temperatures compared to April, with average highs reaching 22°C (71°F) and peaks of 37°C (98°F), while April sees a drop in average temperatures to 18°C (64°F) with a maximum of 34°C (94°F). Both months have a similar number of rainy days, around 6, but April receives slightly more precipitation at 37 mm (1.5 in) compared to March's 34 mm (1.3 in). Additionally, April tends to be more humid, with humidity levels rising to 65% compared to March's 54%. For more details about the weather in April, visit Mendoza weather in April.
When comparing the weather in March and May, notable differences emerge. In March, temperatures range from a minimum of 7°C (45°F) to a maximum of 37°C (98°F), with an average of 22°C (71°F). The month experiences 34 mm (1.3 in) of precipitation over approximately 6 days and maintains a humidity level of 54%. In contrast, May brings cooler conditions, with temperatures ranging from a minimum of 1°C (34°F) to a maximum of 26°C (80°F) and an average of just 12°C (55°F). The precipitation is slightly lower at 31 mm (1.2 in) over 5 days, but humidity rises to 69%. For more detailed insights on May weather, you can check this link: Mendoza weather in May.
March and June present contrasting weather patterns in terms of temperature and humidity. In March, temperatures range from a minimum of 7°C (45°F) to a scorching maximum of 37°C (98°F), with an average of 22°C (71°F). The month experiences some precipitation, totaling 34 mm (1.3 in) over roughly six days, and has a humidity level of 54%. In stark contrast, June's temperatures are much cooler, with a minimum of -3°C (28°F) and a maximum of 24°C (76°F), along with an average of only 9°C (48°F). June tends to be drier, with just 15 mm (0.6 in) of precipitation spread across three days, and the humidity rises to 64%. For a more detailed overview, check out Mendoza weather in June.
March and July present strikingly different weather patterns. In March, temperatures can soar with a minimum of 7°C (45°F) and an average high of 22°C (71°F), peaking at a scorching 37°C (98°F). The month experiences some precipitation, totaling 34 mm (1.3 in) over about six days, with a relatively comfortable humidity level of 54%. Conversely, July brings a much cooler climate, with temperatures ranging from a minimum of -2°C (29°F) to an average of 8°C (47°F), and a maximum around 23°C (74°F). Precipitation is significantly lower, totaling just 10 mm (0.4 in) over two days, while humidity rises to 65%. This stark contrast highlights the seasonal transition, making March notably warmer than the chill of July. For more insights about July weather, you can visit Mendoza weather in July.
March and August present distinctly different weather patterns. In March, temperatures range from a mild 7°C (45°F) at night to a much warmer average of 22°C (71°F), peaking at 37°C (98°F). This month experiences about 34 mm (1.3 in) of precipitation over approximately 6 days, maintaining a humidity level of 54%. In contrast, August is much cooler, with temperatures dipping as low as -1°C (31°F) at night and averaging 11°C (53°F), reaching a max of 31°C (89°F). Precipitation is minimal in August, only about 10 mm (0.4 in) over 2 days, and humidity slightly increases to 60%. For more details on August weather, visit Mendoza weather in August.
March and September exhibit distinctly different weather patterns. In March, temperatures range from a minimum of 7°C (45°F) to a maximum of 37°C (98°F), with an average of 22°C (71°F). This month experiences relatively higher precipitation at 34 mm (1.3 in) over about 6 days, accompanied by a humidity level of 54%. In contrast, September showcases cooler temperatures, with a minimum of 0°C (32°F) and an average of 15°C (60°F), peaking at 34°C (94°F). Rainfall is notably lighter at 14 mm (0.6 in) over just 2 days, and humidity remains slightly lower at 51%. For more detailed insights on September weather, visit Mendoza weather in September.
In March, the weather typically features a wider range of temperatures, with a minimum of 7°C (45°F) and a maximum reaching up to 37°C (98°F), while the average temperature hovers around 22°C (71°F). This month experiences around 34 mm (1.3 in) of precipitation over approximately 6 days, contributing to a humidity level of 54%. In contrast, October sees slightly cooler temperatures, with a minimum of 2°C (36°F) and an average of 18°C (66°F), though it can still reach highs of 37°C (98°F). The precipitation in October is also lower, at 26 mm (1.0 in) over just 3 days, and the humidity is a touch lower as well, at 49%. For more details on October weather in Mendoza, you can check Mendoza weather in October.
March and November in Mendoza exhibit relatively similar weather patterns, but with a few distinct differences. In March, temperatures range from a minimum of 7°C (45°F) to a maximum of 37°C (98°F), with an average of 22°C (71°F). The month sees about 34 mm (1.3 in) of precipitation over roughly 6 days and a humidity level of 54%. In contrast, November boasts slightly warmer temperatures, with a minimum of 9°C (48°F) and a maximum of 38°C (101°F), while maintaining a similar average of 22°C (73°F). Precipitation in November is a little lower at 31 mm (1.2 in) over just 5 days, accompanied by a drier humidity of 44%. For more details on this month, you can check Mendoza weather in November.
In March, temperatures in Mendoza range from a minimum of 7°C (45°F) to a maximum of 37°C (98°F), with an average of 22°C (71°F). The month sees approximately 34 mm (1.3 in) of precipitation over about 6 days, resulting in a humidity level of 54%. In contrast, December offers warmer conditions, with minimum temperatures at 11°C (52°F) and maximums reaching 40°C (104°F), averaging around 25°C (77°F). The month experiences slightly less precipitation at 26 mm (1.0 in) over 5 days, contributing to a lower humidity of 35%. For more details on December weather, you can check Mendoza weather in December.
As March settles into Mendoza, the weather begins to shift, bringing slightly cooler temperatures and a welcome reprieve from the summer heat. With an average temperature of 22°C (71°F), the days are warm but not oppressively hot, creating ideal conditions for exploring the region's breathtaking vineyards. March also sees a modest increase in precipitation compared to the dry summer months, with almost a week of rain, contributing to the lush landscapes. The 54% humidity makes the air feel refreshing, perfect for outdoor activities. In this transitional month, visitors can enjoy both warm days and cooler evenings, making it a delightful time to experience the beauty of Mendoza. For a comprehensive look at what to expect throughout the year, check out Mendoza Climate.