October Weather in Santa Rosa, Argentina

Last updated: August 21, 2025

In October, Santa Rosa, Argentina, experiences a vibrant transition as spring unveils its charm. With maximum temperatures soaring to 39°C (103°F), the days are warm and inviting, while the average settles comfortably at 19°C (67°F). As nighttime descends, temperatures can dip to a refreshing 0°C (32°F), offering a delightful contrast. The month witnesses moderate rainfall, accumulating 25 mm (1.0 in) over approximately 4 days, contributing to the region's lush landscapes. The humidity levels hover around 49%, enhancing the freshness of the air and invigorating the senses as the city blooms into life.

October Temperature in Santa Rosa

October in Santa Rosa, Argentina marks a delightful transition into warmer weather, characterized by a minimum temperature of 0°C (32°F) at night and an inviting average of 19°C (67°F) during the day. As the month unfolds, daytime highs can reach up to 39°C (103°F), heralding the final weeks of the spring season. This moderate rise in temperatures from the cooler months of September and earlier is accompanied by a significant shift in both daily warmth and the overall climate, making October a vibrant time for outdoor activities. As daylight lingers longer and the landscape bursts with color, this month truly captures the essence of springtime in Santa Rosa.

October Weather in Santa Rosa: Daily Temperature Highs, Lows, and Averages

The chart illustrates October temperature patterns in Santa Rosa, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Santa Rosa, October typically has an average temperature of {2}°C ({3}°F), with highs reaching up to {4}°C ({5}°F) and lows dropping to around {6}°C ({7}°F).
JanFebMarAprMayJunJulAugSepOctNovDec807671645547465360667378
Data source: Temperature data for Santa Rosa generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

October Precipitation in Santa Rosa

In October, Santa Rosa experiences a notable shift in precipitation patterns, receiving 25 mm (1.0 in) of rain over four days. This amount, while modest compared to the wetter months like January and February, signals a transition from the drier winter months, where rainfall plummeted to as low as 7 mm in July. As spring blooms in the Southern Hemisphere, October's rainfall serves as a gentle reminder of nature's resurgence, setting the stage for the more substantial downpours of late spring, with November typically ramping up to 46 mm (1.8 in). The uptick in rainy days also hints at the changing landscape, where the once-parched earth begins to drink in the revitalizing moisture, nurturing the vibrant life that flourishes in this fertile region.

October Precipitation Trends in Santa Rosa

The chart displays monthly precipitation patterns in Santa Rosa, with values for each month alongside October’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how October’s conditions compare to those of other months. In Santa Rosa, October typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec58604833298749254740
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in Santa Rosa

October in Santa Rosa, Argentina, marks a transitional phase in humidity, with levels resting at 49%. This month witnesses a notable dip from the higher figures of late autumn, following a gradual increase that begins in the drier summer months. The trend shows a steady climb from the 40% humidity in January, peaking significantly in May at 69% before consistently hovering in the mid to high 60s through mid-year. As the warm season draws to a close, October's relatively moderate humidity paves the way for the approaching dryness of November and December, creating a refreshing balance that is characteristic of this vibrant Argentine region.

October Average Humidity in Santa Rosa

This chart illustrates the average monthly humidity levels in Santa Rosa, with October’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In October, average humidity in Santa Rosa is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec40%46%54%65%69%64%65%60%51%49%44%36%
Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in Santa Rosa

In October, Santa Rosa experiences a UV Index of 12, placing it in the extreme exposure category with a burn time of just 10 minutes. This trend mirrors the preceding months of January through March, where similarly high UV levels can be observed, indicating that even in spring, the sun's intensity remains formidable. As the weather cools into November, the UV Index climbs again to 14, just shy of summer peaks. With only 10 minutes of safe sun exposure, it's crucial for residents and visitors alike to prioritize sun protection during this month. For more insights on UV levels throughout the year, check out Santa Rosa UV Index.

Maximum UV Index Levels in Santa Rosa for October

The chart shows the monthly maximum UV Index (UVI) for Santa Rosa in October, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In October, the maximum UV index in Santa Rosa typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec151312854468121415
Data source: Santa Rosa October UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

October Sunshine in Santa Rosa

October in Santa Rosa, Argentina, shines brightly with an impressive 354 hours of sunshine, making it one of the sunniest months of the year. This surge in sunlight marks a delightful transition from the milder days of April and May, showcasing a trend of increasing brightness as the year progresses. Following the vibrant September with 319 hours, October's sunshine paves the way for the even sunnier November, which boasts 370 hours. This upward trajectory of daylight not only enhances the beauty of the landscape but also invites residents and visitors alike to revel in outdoor activities and bask in the warmth of the Argentine sun. With each passing month, particularly from October onward, it becomes clear that Santa Rosa is a haven for sunshine lovers, promising joyful days ahead!

Monthly Sunshine Duration in Santa Rosa: October Highlighted

The October sunshine duration represents the total number of hours Santa Rosa experiences direct sunlight during the month of October, excluding cloudy or obstructed periods. This chart compares the sunshine duration of October with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec311h324h323h274h264h257h275h313h319h354h370h392h
Data source: Santa Rosa October Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Santa Rosa During October

October in Santa Rosa, Argentina, boasts a promising 78% chance of sunny weather, making it one of the brighter months of the year. This follows a trend of increasing sunshine from the cooler months, which typically range from 62% to 65% in the winter season. As we transition from September's still favorable 79% potential for sun, October settles comfortably within the realm of pleasant weather, maintaining a sunny disposition that will delight both residents and visitors alike. This pattern hints at a welcoming atmosphere for outdoor activities and exploration, as the region basks in the warmth of spring’s arrival.

Percentage of Sunny Days in October in Santa Rosa

The chart illustrates the percentage of sunny days in Santa Rosa throughout the year, with October highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Santa Rosa experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec69%64%57%71%65%62%87%80%79%78%74%62%
Data source: Santa Rosa October chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Santa Rosa in October

In October, Santa Rosa, Argentina, enjoys a refreshing 12 hours of daylight, marking a transition towards the longer twilight of spring and summer. This duration reflects a gradual shift from the 10 hours seen in May and June, signaling the end of the shorter days typical of winter. As the month progresses, daylight hours will continue to increase, peaking at 14 hours by December. Overall, October serves as a bridge, combining the lingering mildness of fall with the promise of the vibrant daylight that awaits in the forthcoming months, inviting both locals and visitors to embrace the outdoors.

Average Daylight Hours in Santa Rosa for October

The chart illustrates the variation in daylight duration in Santa Rosa throughout the year, with October highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec14h 2m13h 14m12h 14m11h 12m10h 22m9h 58m10h 11m10h 55m11h 54m12h 55m13h 50m14h 17m
Data source: Santa Rosa daylight hours, calculated by summing the hours between sunrise and sunset for each day.

October Winds in Santa Rosa

As October unfolds in Santa Rosa, Argentina, the wind picks up its pace, matching the brisk energy of the season at an average speed of 3.9 m/s (9 mph). This marks a return to stronger gusts after a dip in the preceding months, creating an invigorating atmosphere that hints at the arrival of warmer days. Notably, September also recorded a similar average speed, establishing a consistent trend of increasing winds as the year progresses towards the summer months. In contrast, the chillier winter months from June to August saw lower speeds, with the wind mellowing to around 2.7 m/s (6 mph). Reflecting upon these patterns, one can anticipate that October's winds set the stage for a dynamic transition, ushering in warmer weather while simultaneously embracing the vibrant spirit of spring.

Average October Wind Speed in Santa Rosa

The chart displays monthly wind speed patterns in Santa Rosa, with values for each month shown alongside October's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how October's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec3.93.13.23.22.82.72.73.24.03.9 m/s3.74.0
Data source: Santa Rosa October wind data, generated using information from the Copernicus Climate Change Service.

How October Weather in Santa Rosa Compares to Other Months

Weather in Santa Rosa varies notably across the year, with each month offering distinct climate conditions. This page compares October’s weather to other months in Santa Rosa, focusing on differences in temperature, rainfall, humidity, and UV levels.

In October, the weather is characterized by a wider temperature range with minimums dropping to 0°C (32°F) and maximums reaching up to 39°C (103°F). The month experiences lower precipitation levels of 25 mm (1.0 in) over about 4 days, along with average humidity at 49%. In contrast, January presents a milder minimum temperature of 8°C (47°F) and a higher average of 26°C (80°F), peaking at 42°C (107°F). However, it sees increased rainfall, totaling 58 mm (2.3 in) over 9 days, with slightly lower humidity at 40%. This contrast highlights the transition from the cooler, drier October to the warmer, wetter January. For a closer look at January's climate specifics, explore Santa Rosa weather in January.

October and February present contrasting weather patterns. In October, temperatures range from a chilly 0°C (32°F) at night to a warm average of 19°C (67°F) during the day, with a maximum reaching up to 39°C (103°F). The month experiences relatively low precipitation at 25 mm (1.0 in) over just 4 days, coupled with a humidity level of 49%. In comparison, February sees milder night temperatures starting from 10°C (50°F) and averages a warmer 24°C (76°F), peaking at 41°C (106°F). This month is wetter, with 60 mm (2.4 in) of rainfall spread over 8 days, while humidity levels drop slightly to 46%. For those looking to explore more about February weather, check out Santa Rosa weather in February.

In comparing the weather in October and March, we see notable differences in temperature and precipitation patterns. October experiences a minimum temperature of 0°C (32°F) and averages around 19°C (67°F), while March starts warmer with a minimum of 4°C (39°F) and an average of 22°C (71°F). Both months have similar maximum temperatures, with October reaching up to 39°C (103°F) and March slightly lower at 37°C (99°F). Precipitation also varies, as March receives 48 mm (1.9 in) over about 7 days, compared to October's 25 mm (1.0 in) across 4 days. Additionally, humidity is marginally higher in March at 54%, compared to October’s 49%. For more detailed insights into March weather, you can visit Santa Rosa weather in March.

In comparing the weather of October and April, we see notable differences. October experiences a broader temperature range, with minimums dropping to 0°C (32°F) and maximums soaring up to 39°C (103°F), averaging around 19°C (67°F). In contrast, April's temperatures are milder, with a minimum of 2°C (36°F) and a maximum of 32°C (90°F), leading to a slightly lower average of 18°C (64°F). While October has a total precipitation of 25 mm (1.0 in) over 4 days, April tends to be a bit wetter with 33 mm (1.3 in) of rainfall spread across 5 days. Additionally, April brings higher humidity levels of 65% compared to October's 49%. For more detailed insights into April's weather, you can visit Santa Rosa weather in April.

In October, the weather offers a broad temperature range with a minimum of 0°C (32°F) and a maximum that can soar to 39°C (103°F), averaging around 19°C (67°F). This month experiences relatively low precipitation at 25 mm (1.0 in) over about four days, accompanied by moderate humidity at 49%. In contrast, May features cooler temperatures, with a minimum of -1°C (31°F) and a maximum of 28°C (83°F), averaging 13°C (55°F). The precipitation slightly increases to 29 mm (1.1 in) but occurs over just three days, while humidity is notably higher at 69%. For more detailed information on May weather, check out Santa Rosa weather in May.

October and June present contrasting weather conditions. In October, temperatures can reach as high as 39°C (103°F), with an average of 19°C (67°F) and a minimum of 0°C (32°F). The month typically experiences 25 mm (1.0 in) of precipitation over about 4 days, accompanied by a relatively comfortable humidity level of 49%. In contrast, June features lower temperatures, peaking at a moderate 26°C (79°F) and averaging 9°C (48°F), with minimum temperatures dropping to -4°C (25°F). This month sees less precipitation, only around 8 mm (0.3 in) over about 2 days, and higher humidity at 64%. For more detailed insights on June weather, you can check Santa Rosa weather in June.

When comparing the weather in October to that in July, notable differences emerge. October experiences a much wider temperature range, with minimums reaching 0°C (32°F) and maximums soaring to 39°C (103°F), while the average temperature is a comfortable 19°C (67°F). In contrast, July is considerably cooler, with temperatures ranging from a minimum of -4°C (25°F) to a maximum of 23°C (74°F), and an average of just 8°C (47°F). Additionally, October sees a moderate amount of precipitation at 25 mm (1.0 in) over approximately four days, whereas July is much drier, with only 7 mm (0.3 in) of rainfall on a single day. The humidity levels also differ, as October has a lower average humidity of 49%, compared to July's higher 65%. For more detailed insights, you can check Santa Rosa weather in July.

In comparing the weather between October and August, October brings a wider range of temperatures, with a minimum of 0°C (32°F), an average of 19°C (67°F), and a peak of 39°C (103°F). In contrast, August features cooler temperatures, ranging from a minimum of -4°C (25°F) to a maximum of 31°C (88°F), with an average of 11°C (53°F). Additionally, October experiences more precipitation, totaling 25 mm (1.0 in) across four days, while August has significantly less, with only 4 mm (0.1 in) spread over just one day. Humidity levels also differ, as October has a lower humidity at 49%, compared to August's higher 60%. For more details on August weather, you can check Santa Rosa weather in August.

In comparing the weather between September and October, October shows a more varied temperature range, with a minimum of 0°C (32°F) and a maximum of 39°C (103°F), whereas September has cooler temperatures, with a minimum of -2°C (28°F) and a maximum of 36°C (96°F). The average temperature in October is higher at 19°C (67°F), compared to September's 16°C (61°F). October also sees an increase in precipitation, totaling 25 mm (1.0 in) over four days, reflecting a more humid environment with a humidity level of 49%. In contrast, September experiences significantly less rainfall at 9 mm (0.4 in) over just one day, with humidity slightly higher at 51%. For a more detailed look at September's weather, you can refer to Santa Rosa weather in September.

October and November present notable changes in weather patterns. In October, temperatures range from a minimum of 0°C to a maximum of 39°C, with an average of 19°C and relatively low precipitation of 25 mm over about 4 days. Humidity sits at 49%, adding a hint of moisture to the air. In contrast, November sees a warmer atmosphere with minimum temperatures rising to 6°C and maximums reaching 41°C—averaging 23°C. However, this month brings an increase in precipitation to 46 mm over 8 days, while humidity decreases slightly to 44%. For more details on the weather in November, check out Santa Rosa weather in November.

October and December exhibit notable differences in weather patterns. In October, temperatures range from a chilly minimum of 0°C (32°F) to a warm maximum of 39°C (103°F), with an average temperature of 19°C (67°F). Precipitation is relatively low at 25 mm (1.0 in) over just 4 days, and humidity sits at 49%. In contrast, December sees higher temperatures, with a minimum of 12°C (53°F) and a maximum of 42°C (107°F), leading to a warmer average of 25°C (78°F). Precipitation increases to 40 mm (1.6 in) over 8 days, while humidity drops to 35%. For more details on December weather in Santa Rosa, you can check the following link: Santa Rosa weather in December.

Compare Santa Rosa's Climate with Cities Worldwide

Conclusion: What to Expect From October Weather in Santa Rosa

As October rolls into Santa Rosa, the weather showcases a delightful transition from the cooler months, offering an inviting average temperature of 19°C (67°F). This month stands out with occasional peaks reaching a scorching maximum of 39°C (103°F), making it feel distinctly warmer than prior months. With just a couple of rainy days and a modest 25 mm of precipitation, the humidity remains manageable at 49%, creating a pleasant atmosphere for outdoor activities. For those curious about the broader climatic patterns, explore more at Santa Rosa Climate.