Last updated: August 21, 2025
In April, Santa Rosa, Argentina experiences a delightful range of temperatures, with maximums reaching up to 32°C (90°F) and a pleasant average of 18°C (64°F). As the month progresses, temperatures can drop to a refreshing minimum of 2°C (36°F) at night. This period also sees 33 mm (1.3 in) of precipitation spread over about 5 days, contributing to the area's lush scenery. The humidity sits at a comfortable 65%, making it a great time to enjoy outdoor activities amid the mild, springtime weather.
In April, Santa Rosa, Argentina, begins to transition into cooler temperatures, with minimums dropping to 2°C (36°F) and averages settling at 18°C (64°F). This month marks a significant departure from the intense heat of summer, as maximum temperatures reach up to 32°C (90°F), providing a pleasant warmth without the extreme highs of earlier months. The gradual decrease in temperature reflects the shift into autumn, where the city enjoys milder days. This trend continues into May, highlighting a notable cooling pattern as the year progresses, making April a delightful time for outdoor activities amidst the lingering warmth of late summer.
In April, Santa Rosa experiences a noticeable dip in precipitation, with only 33 mm (1.3 in) of rain recorded over 5 days. This month marks a significant reduction compared to the wetter summer months, such as January and February, which saw over 58 mm of rainfall. The transition into autumn is evident as April also ushers in a decline in the frequency of rainy days compared to the preceding months. As rainfall diminishes, the dry spell paves the way for crisp, clear days, positioning April as a tranquil precursor to the winter months ahead. This pattern highlights the region's shifting climate dynamics, where the initial months of the year are marked by higher precipitation, gradually tapering off as the year progresses.
As April arrives in Santa Rosa, Argentina, the humidity makes a noticeable leap to 65%, reflecting the transition into the cooler months. This increase continues the upward trend observed since January, where humidity started at a relatively dry 40%. With each month, the moisture level creeps higher, peaking in May at 69% before settling down slightly in subsequent months. This gradual rise not only signals the shift of the seasons but also sets the stage for the lush, green landscapes that characterize the region during these wetter months.
In April, Santa Rosa, Argentina, experiences a very high UV Index of 8, indicating a shift from the extreme levels seen at the beginning of the year. With a burn time of just 15 minutes, it's essential for residents and visitors to stay vigilant about sun protection. This month's UV levels remain significantly elevated compared to the mild conditions of May, when the Index drops to 5. As summer transitions into autumn, it's clear that UV exposure still poses a real threat, underscoring the importance of safeguarding against harmful rays. For more detailed information about the UV Index throughout the year, visit Santa Rosa UV Index.
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April in Santa Rosa, Argentina, brings a blend of warmth and vibrant sunshine, with 274 hours of sunlight gracing the month. While slightly less than the earlier months of the year, such as January and February, which bask in 311 and 324 hours respectively, April maintains a pleasant brightness that sets the stage for the transition into winter. As the days grow shorter with May's 264 hours on the horizon, April serves as a gentle reminder of the sunny splendor that characterized the summer months, all while the year steadily approaches its most luminous peak in November, boasting a striking 370 hours. This delightful balance of sun makes April a charming time to enjoy the outdoors before the cooler months set in.
April in Santa Rosa, Argentina, boasts a lively 71% chance of sunny weather, making it a delightful month for enjoying outdoor activities. As the seasons transition, the likelihood of sunshine shows an upward trend following March's 57%, indicating a resurgence of clearer skies just as autumn sets in. This promising forecast is complemented by a strong summer sun in the preceding months, where January and February recorded chances of 69% and 64%, respectively. Interestingly, after April, the sunniest conditions peak in mid-winter, with July reaching a remarkable 87%, suggesting that Santa Rosa’s charming climate continues to offer pleasant surprises throughout the year.
As April arrives in Santa Rosa, Argentina, the city experiences a notable reduction in daylight, with 11 hours of sunlight gracing each day, a decline from March's 12 hours. This trend marks the continuation of the gradual shortening of days as the Southern Hemisphere transitions into winter. January boasts the longest daylight at 14 hours, gradually tapering off through the months. By May, this will further shrink to only 10 hours, highlighting the shift toward darker days as the year progresses. The cyclical nature of daylight in Santa Rosa not only marks the changing seasons but also invites residents to embrace cozy evenings as daylight diminishes.
In April, the winds of Santa Rosa, Argentina, exhibit a gentle consistency, with an average speed of 3.2 m/s (7 mph), mirroring the lighter breezes felt in March. This trend signifies a calm transition from the warmer summer months, where January and February boast slightly higher speeds of 3.9 m/s (9 mph) and 3.1 m/s (7 mph), respectively. As the autumn air begins to cool, the winds do not descend dramatically; rather, they remain steady, just above the lighter currents that dominate May and June. Notably, the wind speed picks up again in the spring months of September and October, surging back to the 4.0 m/s (9 mph) mark, suggesting a rhythmic ebb and flow in Santa Rosa's climate.
Weather in Santa Rosa varies notably across the year, with each month offering distinct climate conditions. This page compares April’s weather to other months in Santa Rosa, focusing on differences in temperature, rainfall, humidity, and UV levels.
April and January exhibit distinct weather patterns. In April, temperatures range from a minimum of 2°C (36°F) to a maximum of 32°C (90°F), with an average of 18°C (64°F). The month sees about 33 mm (1.3 in) of precipitation over 5 days, accompanied by a humidity level of 65%. In contrast, January experiences higher temperatures, with a minimum of 8°C (47°F) and soaring up to 42°C (107°F), averaging 26°C (80°F). It also receives more rainfall, totaling 58 mm (2.3 in) across 9 days, but has a lower humidity of 40%. For more detailed information on January weather, visit Santa Rosa weather in January.
When comparing the weather in April and February, it's clear that February tends to be much warmer overall. In February, temperatures range from a minimum of 10°C (50°F) to a scorching maximum of 41°C (106°F), with an average temperature of 24°C (76°F). In contrast, April's temperatures are more moderate, with a minimum of 2°C (36°F), an average of 18°C (64°F), and a maximum of 32°C (90°F). Precipitation is more significant in February, with 60 mm (2.4 in) falling over 8 days, whereas April receives only 33 mm (1.3 in) over 5 days. Additionally, April has higher humidity levels at 65%, compared to February's 46%. For more detailed insights on February's weather in Santa Rosa, you can visit Santa Rosa weather in February.
In comparing the weather between April and March, April experiences a broader temperature range, with minimums at 2°C (36°F) and maximums reaching 32°C (90°F), while March stays warmer with minimums of 4°C (39°F) and maximums peaking at 37°C (99°F). March additionally has higher average temperatures at 22°C (71°F) compared to April's average of 18°C (64°F). Precipitation is more frequent in March, occurring over 7 days with a total of 48 mm (1.9 in), as opposed to April’s 33 mm (1.3 in) across only 5 days. March also tends to be less humid, with an average humidity of 54%, compared to April's 65%. For a detailed look at the weather specifics during March, you can visit Santa Rosa weather in March.
April and May exhibit distinct differences in weather patterns. In April, temperatures range from a minimum of 2°C (36°F) to a maximum of 32°C (90°F), with an average of 18°C (64°F). The month sees a total precipitation of 33 mm (1.3 in) over approximately five days, and humidity levels average around 65%. In contrast, May experiences slightly cooler temperatures, with a minimum of -1°C (31°F), an average of 13°C (55°F), and a maximum of 28°C (83°F). Precipitation decreases to 29 mm (1.1 in) over three days, while humidity rises to 69%. For more detailed information on May weather, you can visit Santa Rosa weather in May.
April offers a broader range of temperatures compared to June, with minimums dipping to 2°C (36°F) and maximums reaching up to 32°C (90°F). In contrast, June sees a cooler climate, featuring minimum temperatures as low as -4°C (25°F) and average temperatures at 9°C (48°F). April also experiences more precipitation, totaling 33 mm (1.3 in) over five days, while June is much drier with only 8 mm (0.3 in) across two days. Both months maintain similar humidity levels, around 64-65%, making the air feel similarly moist despite the temperature variation. For more details on June weather, you can check this link: Santa Rosa weather in June.
Comparing the weather in April and July reveals notable differences. April features a broader temperature range with minimums as low as 2°C (36°F) and maximums reaching up to 32°C (90°F), while July is cooler overall, with minimum temperatures dropping to -4°C (25°F) and maximums peaking at only 23°C (74°F). Additionally, April typically experiences more rainfall, with around 33 mm (1.3 in) over five days, compared to July's mere 7 mm (0.3 in) spread over just one day. Interestingly, humidity levels are consistent at 65% for both months. For a detailed look at July weather in Santa Rosa, you can check Santa Rosa weather in July.
April and August present contrasting weather patterns. In April, temperatures range from a minimum of 2°C (36°F) to a maximum of 32°C (90°F), with an average of 18°C (64°F). The month experiences moderate precipitation of 33 mm (1.3 in) over five days, accompanied by a humidity level of 65%. In contrast, August sees cooler temperatures with a minimum of -4°C (25°F) and a maximum of 31°C (88°F), averaging 11°C (53°F). This month is much drier, with only 4 mm (0.1 in) of precipitation across just one day and slightly lower humidity at 60%. For a detailed look at weather in August, you can check Santa Rosa weather in August.
April and September showcase distinct weather patterns, with April generally experiencing warmer temperatures. In April, temperatures range from a minimum of 2°C (36°F) to a maximum of 32°C (90°F), with an average of 18°C (64°F) and a relatively higher humidity of 65%. In contrast, September sees cooler temperatures, dropping to a minimum of -2°C (28°F) and averaging 16°C (61°F), with a maximum reaching 36°C (96°F). Additionally, September tends to be drier, with only 9 mm (0.4 in) of precipitation across just 1 day, compared to April's 33 mm (1.3 in) over 5 days. For more detailed information about September weather, you can visit Santa Rosa weather in September.
April and October present distinct weather patterns, showcasing a transition from warm to cooler conditions. In April, temperatures range from a minimum of 2°C (36°F) to a maximum of 32°C (90°F), with an average of 18°C (64°F) and a relative humidity of 65%. It also experiences about 33 mm (1.3 in) of rainfall over five days. In contrast, October sees slightly cooler minimum temperatures, dropping to 0°C (32°F), while the maximum can reach a striking 39°C (103°F), resulting in an average of 19°C (67°F). This month has less precipitation, totaling 25 mm (1.0 in) over four days, and a lower humidity level at 49%. For more detailed information, you can refer to Santa Rosa weather in October.
April and November present contrasting weather conditions. In April, temperatures range from a chilly 2°C (36°F) at night to a warm 32°C (90°F) during the day, with an average of 18°C (64°F). The month sees some rainfall, with precipitation totaling 33 mm (1.3 in) over about 5 days, and humidity levels are relatively high at 65%. Conversely, November offers milder nights with a minimum temperature of 6°C (42°F) and can reach up to a scorching 41°C (105°F) during the day, averaging 23°C (74°F). Rainfall increases slightly to 46 mm (1.8 in) over 8 days, with lower humidity at 44%. For more details, you can check Santa Rosa 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 average of 18°C (64°F), peaking at a high of 32°C (90°F). This month experiences about 33 mm (1.3 in) of precipitation over approximately 5 days, with a humidity level of 65%, making the air feel relatively moist. In contrast, December boasts significantly higher temperatures, with a minimum of 12°C (53°F), an average of 25°C (78°F), and soaring to maximums of 42°C (107°F). This month records slightly more rainfall at 40 mm (1.6 in), occurring over 8 days, but with lower humidity levels at 35%. For more specifics on December weather, you can visit Santa Rosa weather in December.
As April unfolds in Santa Rosa, the weather presents a delightful transition from the hotter summer months. Daytime temperatures can reach a pleasant 32°C (90°F), while the evenings cool off, averaging around 18°C (64°F), making it ideal for outdoor activities. Unlike the drier summer, April sees an increase in humidity and a few rain showers, with approximately 33 mm of precipitation over five days. This blend of warm days and refreshing evenings distinguishes April's climate, offering a unique experience compared to the more extreme temperatures of the surrounding months. For a deeper understanding of the weather patterns throughout the year, explore Santa Rosa Climate.