Last updated: August 21, 2025
In April, San Martin, Argentina, showcases a diverse climate with temperatures ranging from a maximum of 34°C (93°F) to a refreshing 2°C (36°F) during the night. The average temperature sits comfortably at 18°C (66°F), making it a pleasant month for outdoor activities. Although rain is infrequent, the city experiences about 20 mm (0.8 in) of precipitation spread over 3 days, with humidity levels hovering around 65%. This combination of warmth and occasional rain enhances the beauty of the landscape, ideal for nature enthusiasts and those seeking adventure.
In San Martin, Argentina, the month of April marks a noticeable transition in temperatures as the region shifts from the balmy warmth of summer to the cooler embrace of autumn. With a minimum temperature dipping to 2°C (36°F) and an average settling at 18°C (66°F), it’s a month where the crispness of early mornings becomes a delightful contrast to the afternoon heat, which can still reach up to 34°C (93°F). This trend of cooling continues from the warmer months of January through March, where highs frequently approached the high 30s and even 40s Celsius. As life begins to slow and nature dons its fall colors, April invites visitors to experience the refreshing charm of San Martin, making it an ideal time for outdoor activities amidst a backdrop of stunning landscapes.
In April, San Martin, Argentina, experiences a noticeable dip in precipitation, receiving only 20 mm (0.8 in) of rain over three days. This reduction marks a continuation of the trend observed from the wetter months of January to March, where rainfall amounts were significantly higher, peaking at 39 mm (1.6 in) in February. The gradual decline in both precipitation amount and frequency suggests the transition into dryer months, as May follows with even less rainfall at 17 mm (0.7 in) and just two rainy days. As the region approaches winter, these minimalist patterns of precipitation indicate a shift towards a drier climate, shaping the local landscape and the activities of its residents.
In April, San Martin, Argentina, experiences a notable rise in humidity, reaching 65%. This marks a significant increase from the 54% recorded in March, continuing the ascending trend seen in earlier months. As the seasons transition into colder weather, humidity levels steadily climb, peaking at 69% in May before slightly declining during the winter months. This pattern illustrates how the region tends to experience increased moisture in the air as it moves away from the dry summer months, establishing a humid environment that characterizes the onset of autumn.
April marks a shift in the sun's intensity in San Martin, Argentina, with a notable UV Index of 8, categorized as very high. This is a decrease from the extreme levels seen in the previous months of January through March, which boasted indices as high as 15. With a burn time extending to 15 minutes, this transition signals a slight easing of sun exposure risk, yet caution remains essential. As spring unfolds, the UV Index will continue to fluctuate, dipping further in May before rising again in the following months. Understanding these trends is crucial for outdoor enthusiasts and residents alike, helping them to stay protected under the radiant sun. For more detailed information, check out the San Martin UV Index.
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April in San Martin, Argentina, welcomes a delightful transition of seasons as days grow shorter, with an average of 276 hours of sunshine. This month marks a dip from the sun-drenched summer months of January through March, where visitors enjoyed 311 to 327 hours of radiant daylight. As the weather shifts, one can feel the lingering warmth as the city steps into the cooler embrace of May, which offers even less sunlight at 267 hours. The trend shows a gradual decline through the winter months, yet the bright return of spring begins in August, promising the allure of 314 hours as daylight returns to grace the region once more. April serves as a pivotal moment, where the beauty of San Martin shines bright, inviting outdoor adventures even as the sun starts its journey toward shorter days.
April in San Martin, Argentina, boasts a notable 74% chance of sunny weather, making it a delightful time for outdoor activities and sightseeing. This month stands out in the spring season, showing a slight uptick in sunny days compared to March's 60%. Interestingly, it follows the trend of January's balmy weather, which sits at 71%, and precedes the steady sunshine of May at 66%. As temperatures start to warm while the rainy season lingers in the background, April provides an ideal balance, leading into the sun-drenched months of winter with July maintaining an impressive 87% chance of sunshine. Whether you're planning a getaway or local adventures, April's bright disposition is sure to enhance your experience in this picturesque region.
As spring gives way to early autumn in San Martin, Argentina, April heralds a notable shift in daylight duration, offering 11 hours of daylight. This decrease is part of a gradual transition from the long days of summer, where January boasts a generous 14 hours, down to the more subdued daylight of winter, marked by June's 9 hours. Following the vibrant March, with its 12 full hours, April's reduction signifies a gentle reminder of nature's rhythms as the days grow cooler. As the year progresses, the cycle of light continues, with daylight hours slowly increasing again from September onwards, hinting at the coming warmth of spring.
In April, the winds in San Martin, Argentina, begin to calm, with an average speed of 2.4 m/s (5 mph), mirroring the steady breezes of May and June. This transitional month signals a shift from the persistent winds of summer, as February and March recorded higher gusts, averaging 2.6 and 2.8 m/s respectively. As we move toward the latter half of the year, the wind gradually picks up again, peaking in September and October with speeds of 3.5 m/s (8 mph) and 3.6 m/s (8 mph). Overall, April's gentle winds set a tranquil tone for the month, making it a perfect time to appreciate the beautiful landscapes of this Argentinian region.
Weather in San Martin varies notably across the year, with each month offering distinct climate conditions. This page compares April’s weather to other months in San Martin, focusing on differences in temperature, rainfall, humidity, and UV levels.
April's weather contrasts significantly with that of January. While April experiences milder temperatures, with averages around 18°C (66°F) and a maximum of 34°C (93°F), January boasts much higher averages, reaching up to 27°C (82°F) and maximums of 42°C (107°F). Additionally, January sees more precipitation, totaling 36 mm (1.4 in) over six days, compared to April's lighter rainfall of 20 mm (0.8 in) over just three days. Humidity also differs notably, as April holds a higher average of 65%, while January has a drier humidity level of 40%. For more details on January's climate, you can visit San Martin weather in January.
When comparing the weather in April to that of February, a clear contrast emerges. April experiences milder temperatures with a minimum of 2°C (36°F) and a comfortable average of 18°C (66°F), while February boasts much warmer temperatures, ranging from a minimum of 13°C (55°F) to a scorching maximum of 41°C (107°F). Additionally, April has significantly less precipitation, with only 20 mm (0.8 in) falling over three days, compared to February's 39 mm (1.6 in) spread across seven days. Humidity levels are also higher in April at 65%, contrasting with February's lower 46%. For a more detailed look at February weather, visit San Martin weather in February.
In comparing the weather between March and April, we observe notable differences in temperature and precipitation. March experienced warmer temperatures, with a minimum of 7°C (44°F) and an average of 23°C (73°F), peaking at 38°C (101°F). Additionally, it had higher precipitation levels, totaling 26 mm (1.0 in) over 5 days, and a lower humidity at 54%. In contrast, April saw a cooler range, with temperatures dropping to a minimum of 2°C (36°F) and an average of 18°C (66°F), reaching a maximum of 34°C (93°F). Precipitation was lighter in April, at 20 mm (0.8 in) spread over 3 days, accompanied by a slightly higher humidity level of 65%. For a more detailed look at March’s weather, you can visit San Martin weather in March.
April typically showcases a wider temperature range, with minimums of 2°C (36°F) and maximums reaching up to 34°C (93°F), while May's temperatures are cooler overall, with a minimum of 0°C (32°F) and a maximum of 27°C (81°F). Despite a slight difference in total precipitation, April receives 20 mm (0.8 in) over three days, compared to May’s 17 mm (0.7 in) over just two days. Additionally, the humidity is slightly higher in May at 69%, compared to April's 65%, suggesting that May is a bit more humid. For more detailed weather insights, you can check out San Martin weather in May.
April typically experiences a wider temperature range with minimums around 2°C (36°F) and maximums reaching up to 34°C (93°F), resulting in an average of 18°C (66°F). The month sees moderate precipitation of about 20 mm (0.8 in), occurring on three days, and maintains a humidity level of 65%. In contrast, June presents cooler temperatures, with a minimum of -4°C (26°F) and a maximum of 26°C (79°F), averaging only 9°C (48°F). June is much drier, receiving just 5 mm (0.2 in) of precipitation over a single day, while humidity remains relatively consistent at 64%. For a more detailed look at the weather in June, you can visit San Martin weather in June.
In April, temperatures can range significantly, with a minimum of 2°C (36°F), an average of 18°C (66°F), and a maximum of 34°C (93°F), providing a warm and pleasant atmosphere. Precipitation is typically modest, averaging 20 mm (0.8 in) over about three days, while humidity remains steady at 65%. In contrast, July experiences much cooler weather, with a minimum temperature of -3°C (27°F) and a maximum of 23°C (74°F). The average temperature is notably lower at 8°C (47°F), and the chances of rainfall are less, with only 4 mm (0.2 in) recorded over a single day. Humidity again sits at 65%, but with the overall chill in the air, July’s climate feels quite different. For more details, check out San Martin weather in July.
April and August showcase contrasting weather patterns. In April, temperatures fluctuate from a chilly minimum of 2°C to a warm average of 18°C, peaking at 34°C. The month experiences some precipitation, totaling 20 mm over three days, and has a humidity level of 65%, contributing to a relatively moist atmosphere. In stark contrast, August features cooler temperatures, with a minimum of -2°C, an average of 12°C, and a maximum of 32°C. However, this month is much drier, with only 2 mm of precipitation and no rainy days, and slightly lower humidity at 60%. For more detailed insights, check out San Martin weather in August.
In April, the weather is generally mild, with temperatures ranging from a minimum of 2°C (36°F) to a maximum of 34°C (93°F) and an average of 18°C (66°F). This month also sees about 20 mm (0.8 in) of precipitation spread over three days, accompanied by a higher humidity of 65%. In contrast, September experiences cooler evenings with a minimum temperature dipping to -1°C (31°F), while daytime highs can reach up to 36°C (97°F) and an average of 16°C (62°F). Rainfall is minimal in September, with only 6 mm (0.2 in) recorded on just one day, and the humidity drops to 51%. For more detailed information, see San Martin weather in September.
April and October showcase distinct weather patterns, with both months featuring a similar minimum temperature of around 2°C (36°F). April tends to have a more moderate average temperature of 18°C (66°F), while in October, the average rises slightly to 20°C (68°F). However, October can reach higher maximum temperatures, peaking at 39°C (103°F) compared to April's 34°C (93°F). Precipitation is minimal in both months, with April seeing 20 mm (0.8 in) over 3 days and October receiving even less at 13 mm (0.5 in) over the same duration. Additionally, October is characterized by lower humidity levels at 49%, compared to April's 65%. For more detailed information, you can visit San Martin weather in October.
April and November present contrasting weather patterns. In April, temperatures range from a cooler minimum of 2°C (36°F) to a warm average of 18°C (66°F), peaking at a high of 34°C (93°F). The month experiences relatively low precipitation at 20 mm (0.8 in) over just three days, with humidity levels at 65%. In comparison, November enjoys milder minimum temperatures starting at 9°C (48°F) and an average of 24°C (75°F), with maximums soaring to 40°C (105°F). Precipitation increases to 27 mm (1.1 in) over five days, accompanied by lower humidity at 44%. For more details, you can check out San Martin weather in November.
April and December present contrasting weather patterns. In April, temperatures range from a cool minimum of 2°C (36°F) to a warm maximum of 34°C (93°F), with an average of 18°C (66°F). The month experiences moderate precipitation of 20 mm (0.8 in) over 3 days, accompanied by relatively high humidity at 65%. In comparison, December is warmer, featuring a minimum of 12°C (54°F) and soaring to a maximum of 42°C (108°F), with an average temperature of 26°C (80°F). It sees slightly more precipitation at 24 mm (1.0 in) spread over 5 days, but the humidity drops to a much drier 35%. For more detailed information about December's climate, check out San Martin weather in December.
As April unfolds in San Martin, the weather showcases a blend of warm days and cool evenings, making it a delightful transition into the heart of autumn. With maximum temperatures reaching the pleasant heights of 34°C, the month stands out for its notable warmth compared to the cooler winter months. However, the average temperature cools to a comfortable 18°C, providing a refreshing balance. While only three days see rainfall, accumulating to about 20 mm, the overall humidity at 65% lends a touch of moisture to the air, setting an inviting atmosphere for outdoor activities. This unique mix of warmth and mild precipitation distinguishes April from the drier summer months and laid-back cooler seasons. For more detailed insights, check out San Martin Climate.