Last updated: August 21, 2025
In Mendoza, Argentina, April presents a delightful transition from summer to autumn, characterized by maximum temperatures soaring up to 34°C (94°F) and a comfortable average of 18°C (64°F). The evenings bring a refreshing chill, with minimum temperatures dropping to 3°C (38°F). Rainfall is moderate, totaling 37 mm (1.5 in) over six days, ensuring the landscape remains lush and vibrant. With humidity sitting around 65%, the air carries a crispness that enhances the region's breathtaking scenery, making April an enchanting time to experience Mendoza’s natural beauty and vibrant culture.
In April, Mendoza, Argentina, experiences a noticeable shift in temperatures as it transitions into autumn. The minimum temperature drops to a crisp 3°C (38°F), while the average sits comfortably at 18°C (64°F), making it a perfect time for outdoor exploration amidst the stunning fall foliage. The daytime highs can still reach a warm 34°C (94°F), allowing for pleasant afternoons. This month stands out as the beginning of cooler nights, contrasting with the summer extremes seen earlier in the year, where January boasted maximums of up to 40°C (104°F). As the days shorten and the air turns fresher, April in Mendoza offers a delightful balance of warmth and coolness, inviting both locals and visitors to enjoy the changing landscape.
April in Mendoza, Argentina, typically sees an average precipitation of 37 mm (1.5 in) over 6 days, marking a slight increase from the preceding months. As autumn settles in, the rainfall is a welcomed change, providing a refreshing contrast to the drier summer months. This transition is mirrored in the overall trend, where precipitation begins to taper off towards winter, with May expected to deliver slightly less at 31 mm over 5 days. The uptick in April's rainfall not only nourishes the landscape but also enhances the region's famed vineyards, making it a crucial month in the seasonal cycle.
In April, Mendoza experiences a noticeable rise in humidity, reaching 65%, a significant increase from the more arid months earlier in the year. This upward trend continues from March's 54%, marking the transition into the wetter seasons of late autumn and early winter. Looking at the preceding months, one can observe that humidity levels steadily climb from January's 40%. As the year progresses, May sees an even higher humidity level at 69%, suggesting that the region is entering a phase of increased moisture, which contrasts sharply with the dry summer months. This gradual escalation hints at an evolving climate pattern in Mendoza, where the transition from dry heat to more humid conditions becomes evident as the year unfolds.
In April, Mendoza, Argentina experiences a notable shift in its UV Index, which stands at 8, categorizing it as very high. This marks a significant decrease from the intensity of the summer months, where the index peaked at a staggering 15 in January and 14 in February. As the season transitions into autumn, the burn time extends to 15 minutes, allowing for slightly longer outdoor enjoyment compared to the harsher earlier months. Despite this improvement, it's crucial to remain vigilant about sun protection, as the intensity remains elevated. As daylight dwindles and temperatures cool, it's an excellent time to take advantage of the beautiful Mendoza landscapes while keeping UV safety in mind. For more detailed information, check out the full Mendoza UV Index.
UV Risk Categories
In April, Mendoza experiences a notable dip in sunshine hours, with 284 hours of radiant light. This decline follows a steady increase from the start of the year, where January began with 313 hours and March peaked at 336 hours. As the weather transitions into late autumn, sunshine hours gently taper off, foreshadowing the cooler months ahead, represented by May’s further reduction to 271 hours. Despite this seasonal change, October bursts forth with a vibrant resurgence, boasting 358 hours of sunshine, hinting at the region's dramatic climate swings. Overall, Mendoza’s sunshine trend illustrates a vibrant interplay between the sun’s embrace and the shifting seasons, inviting visitors to experience both its warm embraces and cool nights.
In Mendoza, Argentina, April brings a delightful 71% chance of sunny weather, making it an excellent time to enjoy the region's breathtaking vineyards and landscapes. This slight uptick in sunshine from March's 59% indicates a transition into a sunnier spell, which continues into the winter months ahead, where the chances of sun soar to 87% in July. Following April, the likelihood of sunny days dips somewhat in May and June before rising again in the warmer months. Overall, the weather trends reveal that while April is a beautiful month for outdoor activities, it sets the stage for an even sunnier season to come in Mendoza.
As April unfolds in Mendoza, Argentina, daylight begins to recede, offering 11 hours of sunshine—a noticeable decline from the 12 hours enjoyed in March. This gradual reduction in daylight marks the transition towards the cooler months, as the region moves from the vibrant light of summer into the softer hues of autumn. Following April, May further reduces daylight to 10 hours, continuing the trend towards shorter days. Interestingly, this rhythmic shift is part of Mendoza's annual cycle, with daylight peaking at 14 hours in January and gradually tapering off until the winter months of June and July, where it dips to a low of 9 hours. Throughout this journey, the evolving daylight transforms the landscape, inviting a change in both atmosphere and activities.
As April descends upon Mendoza, Argentina, a gentle embrace of breezy calm envelops the region, with average wind speeds dropping to 1.9 m/s (4 mph). This serene shift marks a noticeable decline from the preceding months, where January through March greeted locals with a mild yet consistent flow of air averaging around 2.4 m/s (5 mph). Following April, a subtle rebound is observed in May as winds tick up to 2.0 m/s (4 mph), hinting at the onset of winter. The transitional nature of the April wind encapsulates the essence of Mendoza's climate—an alluring prelude to the cooler months, where a tranquil atmosphere invites outdoor enjoyment and celebration amidst the breathtaking scenery.
Weather in Mendoza varies notably across the year, with each month offering distinct climate conditions. This page compares April’s weather to other months in Mendoza, focusing on differences in temperature, rainfall, humidity, and UV levels.
April and January in Mendoza exhibit distinct weather patterns. In April, temperatures range from a minimum of 3°C (38°F) to a maximum of 34°C (94°F), with an average of 18°C (64°F). This month also experiences relatively higher humidity at 65% and 37 mm (1.5 in) of precipitation over about 6 days. In contrast, January is much warmer, with temperatures ranging from 9°C (49°F) to 40°C (104°F) and an average of 26°C (80°F). This month is drier, receiving only 27 mm (1.0 in) of rain across 4 days and lower humidity at 40%. For a detailed look at January’s weather, check out Mendoza weather in January.
When comparing the weather in April and February, notable differences emerge in both temperature and humidity. April experiences a milder temperature range, with a minimum of 3°C (38°F) and an average of 18°C (64°F), while February boasts higher temperatures, starting at a minimum of 12°C (54°F) and averaging 24°C (76°F). The maximum temperature in February can reach up to 39°C (103°F), significantly warmer than April's peak of 34°C (94°F). Precipitation levels are slightly higher in February, with 44 mm (1.7 in) over 7 days compared to April's 37 mm (1.5 in) across 6 days. Additionally, the humidity in April is more pronounced at 65%, whereas February's humidity is lower at 46%. For a more detailed look at February's weather, check out Mendoza weather in February.
In comparing the weather between March and April, we see notable differences in temperature and humidity levels. March tends to be warmer overall, with average temperatures reaching 22°C (71°F) and a maximum of 37°C (98°F), while April shows a broader range, from a minimum of 3°C (38°F) to a maximum of 34°C (94°F), with an average of 18°C (64°F). Additionally, March has a slightly lower precipitation level of 34 mm (1.3 in) compared to April's 37 mm (1.5 in), although both months have six days of rain. Notably, April experiences higher humidity at 65%, compared to March's 54%. For more detailed information about March weather, you can check Mendoza weather in March.
In April, temperatures range significantly, with a minimum of 3°C (38°F), an average of 18°C (64°F), and a maximum of 34°C (94°F). The month experiences 37 mm (1.5 in) of precipitation over six days, and humidity levels sit at around 65%. In contrast, May brings cooler weather, featuring a low of 1°C (34°F), an average of 12°C (55°F), and a high of 26°C (80°F). Precipitation decreases slightly to 31 mm (1.2 in) across five days, with humidity rising to 69%. Overall, May experiences milder temperatures and slightly more humidity than April. For more detailed insights, visit Mendoza weather in May.
April and June exhibit notable differences in weather patterns. April experiences a wider temperature range, with a minimum of 3°C and a maximum of 34°C, leading to an average of 18°C. In contrast, June sees cooler conditions, with temperatures ranging from a low of -3°C to a high of 24°C, averaging just 9°C. Precipitation is more frequent in April, with 37 mm falling over six days, compared to June's lighter rainfall of 15 mm over three days. Both months maintain similar humidity levels, around 65-64%. For more specific details about June weather, check this link: Mendoza weather in June.
April experiences a wider temperature range compared to July, with minimums around 3°C and maximums reaching up to 34°C. In contrast, July sees cooler temperatures, with a minimum of -2°C and a maximum of only 23°C. Additionally, April is wetter, with 37 mm of precipitation over an average of six days, while July is relatively dry, receiving just 10 mm over two days. Both months share a similar humidity level of 65%, but the overall feel of the weather is notably different, making April much warmer and more variable. For a detailed look at the weather patterns during this time, check out Mendoza weather in July.
April and August present stark contrasts in weather patterns. In April, temperatures range from a chilly 3°C (38°F) to a warm 34°C (94°F), with an average of 18°C (64°F), along with a higher precipitation level of 37 mm (1.5 in) over approximately 6 days, resulting in a humidity of 65%. In contrast, August brings cooler temperatures, with minimums dipping to -1°C (31°F) and an average of just 11°C (53°F). The maximum temperature reaches 31°C (89°F), but significantly less precipitation, only 10 mm (0.4 in) over 2 days, contributes to a slightly lower humidity of 60%. For more detailed insights, check out Mendoza weather in August.
April and September present contrasting weather profiles. In April, temperatures range from a chilly minimum of 3°C (38°F) to a warm maximum of 34°C (94°F), with an average temperature of 18°C (64°F). This month typically experiences more rainfall, measuring about 37 mm (1.5 in) over approximately six days, and the humidity hovers around 65%. In contrast, September features cooler conditions with a minimum temperature of 0°C (32°F) and a lower average of 15°C (60°F), while still reaching highs of 34°C (94°F). The month sees considerably less precipitation, just 14 mm (0.6 in) over two days, and a drop in humidity to 51%. For more details on what to expect, check out Mendoza weather in September.
April and October present mild yet contrasting weather conditions. In April, temperatures range from a cool 3°C (38°F) at night to a warm 34°C (94°F) during the day, with an average of 18°C (64°F) and slightly higher humidity at 65%. This month also sees about 37 mm (1.5 in) of rainfall spread over approximately six days, making it a somewhat wetter month.
In contrast, October boasts a similar average temperature of 18°C (66°F), but experiences even warmer daytime highs of up to 37°C (98°F) while nights cool down to around 2°C (36°F). With only 26 mm (1.0 in) of precipitation across just three days, October tends to be drier and with less humidity at 49%. For a detailed look at October weather, check out Mendoza weather in October.
April and November offer contrasting weather conditions. In April, temperatures range from a cool minimum of 3°C (38°F) to a warm maximum of 34°C (94°F), with an average of 18°C (64°F). The month experiences about 37 mm (1.5 in) of precipitation over six days, accompanied by a relatively high humidity of 65%. In contrast, November sees milder nights, with a minimum of 9°C (48°F) and a warmer daytime average of 22°C (73°F), potentially reaching up to 38°C (101°F). Precipitation is slightly lower at 31 mm (1.2 in) across five days, and humidity drops to a comfortable 44%. For more detailed insights, you can check Mendoza weather in November.
April and December present contrasting weather patterns. In April, temperatures range from a cool minimum of 3°C (38°F) to a warm maximum of 34°C (94°F), averaging 18°C (64°F). The month experiences moderate precipitation of 37 mm (1.5 in) over six days, coupled with a humidity level of 65%, creating a milder, more humid atmosphere. Conversely, December sees warmer temperatures with a minimum of 11°C (52°F) and soaring highs of up to 40°C (104°F), averaging at 25°C (77°F). The rainfall is less frequent, totaling 26 mm (1.0 in) across just five days, and the humidity drops to a comfortable 35%. For a closer look at what to expect, you can view more details Mendoza weather in December.
As April rolls into Mendoza, a noticeable shift occurs in the weather, distinct from the earlier months of the year. Temperatures start to cool down, offering a mild average that drapes the region in a comfortable embrace, while still allowing for warm peaks throughout the day. The humidity settles at a moderate level, making the air feel fresh, yet can bring occasional moments of moisture—evident in the six days of precipitation that dancers across the calendar. This month sits at the intersection of summer's end and autumn's debut, creating a perfect backdrop for exploring the lush landscapes and vibrant culture of Mendoza. For a deeper dive into the enchanting weather shifts throughout the year, explore Mendoza Climate.