March Weather in La Rioja, Argentina

Last updated: August 21, 2025

In March, La Rioja, Argentina experiences a dynamic climate, characterized by a maximum temperature soaring to 38°C (100°F) and an average of 23°C (74°F). Nighttime offers a refreshing contrast, with minimum temperatures dipping to 10°C (51°F). This month typically sees about 73 mm (2.9 in) of precipitation over approximately 8 days, resulting in a humidity level of 68% that adds to the warmth of the afternoons. Whether basking in the sun or enjoying cooler evenings, March in La Rioja presents a vibrant atmosphere for both locals and visitors alike.

March Temperature in La Rioja

In March, La Rioja, Argentina, experiences a delightful transition in temperatures as summer gives way to autumn. With a minimum of 10°C (51°F) and an average of 23°C (74°F), the days are warm yet comfortable, making it an ideal time for outdoor exploration. The maximum reaches 38°C (100°F), hinting at the lingering heat of summer, but compared to the sweltering January peak of 41°C (107°F), it reflects a gradual cooling trend. As the month progresses, both daytime warmth and cooler nights create the perfect conditions for enjoying the stunning landscapes and vibrant culture of this picturesque region, while providing a gentle reprieve from the extreme heat of earlier months.

March Weather in La Rioja: Daily Temperature Highs, Lows, and Averages

The chart illustrates March temperature patterns in La Rioja, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In La Rioja, March 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).
JanFebMarAprMayJunJulAugSepOctNovDec817874695952515765727780
Data source: Temperature data for La Rioja 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.

March Precipitation in La Rioja

In March, La Rioja experiences a steady increase in precipitation, reaching 73 mm (2.9 in), mirroring the trends of the preceding months with consistent rainfall. Like January and February, March shares a common rhythm with 8 days of precipitation, adding to the early autumn ambiance. This gradual rise from the slightly lower totals in previous months hints at the onset of seasonal changes, as the province transitions into drier conditions in the following months. As we move into April and beyond, the precipitation sharply declines, signaling the dry spell that characterizes La Rioja's climate in winter.

March Precipitation Trends in La Rioja

The chart displays monthly precipitation patterns in La Rioja, with values for each month alongside March’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how March’s conditions compare to those of other months. In La Rioja, March typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec7172733323115220344677
Data source: Precipitation data for March generated using information from the Copernicus Climate Change Service.
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March Humidity in La Rioja

As March unfolds in La Rioja, Argentina, humidity reaches 68%, marking a subtle yet definitive rise from the previous months. This increase reflects the transition toward the wetter months ahead, as the region prepares for the more humid climate of April, which sees an elevated 83%. The early months of the year—January and February—maintain moderate humidity levels at 63% and 66% respectively, but by March, it's clear that the landscape is shifting. With the temperatures warming and the air becoming more saturated, this trend suggests a build-up of moisture that heralds the arrival of autumn rains, making March a pivotal month in La Rioja's climatic narrative.

March Average Humidity in La Rioja

This chart illustrates the average monthly humidity levels in La Rioja, with March’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In March, average humidity in La Rioja is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec63%66%68%83%82%72%57%42%51%47%58%62%
Data source: Humidity data for March generated using information from the Copernicus Climate Change Service.

March UV Index in La Rioja

In March, La Rioja, Argentina, experiences a UV Index of 12, categorizing the exposure as extreme with a burn time of just 10 minutes. This marks a slight decline from the peak levels observed in January and February, which recorded the highest indices of 15 and 14, respectively. Despite this decrease, caution is still paramount as the sun's intensity remains high. As the month transitions into April, the UV Index drops further to 9, indicating a shift to a very high exposure category, allowing for a slightly longer burn time of 15 minutes. These trends suggest that while March provides a minor respite, vigilance is essential throughout the summer months. To stay informed and plan outdoor activities wisely, check the full details at La Rioja UV Index.

Maximum UV Index Levels in La Rioja for March

The chart shows the monthly maximum UV Index (UVI) for La Rioja in March, 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 March, the maximum UV index in La Rioja typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec151412965579121415
Data source: La Rioja March 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.

March Sunshine in La Rioja

As March unfolds in La Rioja, Argentina, residents and visitors alike bask in a generous 320 hours of sunshine, marking a delightful transition into autumn. This month not only boasts a notable increase in sunlight compared to the previous months, such as January and February, but also sets the stage for the sun-drenched days that lie ahead. Following March’s warm embrace, April experiences a slight dip to 282 hours, yet the trend continues with September and October promising even more brilliance. With each passing month, La Rioja showcases a captivating rhythm of sunshine, making it a perfect destination for those seeking luminous adventures. The steady climb toward November’s peak of 359 hours serves as a reminder of the region's vibrant climate and its allure throughout the seasons.

Monthly Sunshine Duration in La Rioja: March Highlighted

The March sunshine duration represents the total number of hours La Rioja experiences direct sunlight during the month of March, excluding cloudy or obstructed periods. This chart compares the sunshine duration of March with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec292h305h320h282h277h276h301h319h323h344h359h372h
Data source: La Rioja March Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in La Rioja During March

In La Rioja, Argentina, the likelihood of sunny weather gradually evolves as the seasons change. March experiences a 56% chance of sunshine, which is a dip from the 61% in January and 60% in February, indicating the onset of autumn. However, this decrease is followed by a notable increase in sunny days as the year progresses, with April soaring to 67%, and May and June continuing the trend towards more sun at 69% and 70%, respectively. This pattern culminates in the winter months, where July achieves an impressive 83%, making sunny days increasingly common as one approaches the latter half of the year. Overall, while March may not boast the highest sunshine, it sets the stage for a shift towards brighter days ahead.

Percentage of Sunny Days in March in La Rioja

The chart illustrates the percentage of sunny days in La Rioja throughout the year, with March 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 La Rioja experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec61%60%56%67%69%70%83%93%86%79%74%59%
Data source: La Rioja March chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in La Rioja in March

In March, La Rioja, Argentina, experiences a delightful transition, with 12 hours of daylight marking the gradual shift from the long, sun-kissed days of summer to the softer light of autumn. Following the steady 13 hours in both January and February, the decrease in daylight reflects the changing season, as the landscape begins to embrace cooler temperatures. This trend continues into April with just 11 hours, signaling a cozy onset of fall. As the months progress into winter, daylight hours stabilize at 10 hours from May to July, before gradually increasing again in August. This rhythmic cycle of daylight not only shapes the local climate but also influences outdoor activities and cultural events in this vibrant region.

Average Daylight Hours in La Rioja for March

The chart illustrates the variation in daylight duration in La Rioja throughout the year, with March highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec13h 46m13h 4m12h 12m11h 20m10h 37m10h 16m10h 27m11h 5m11h 55m12h 48m13h 35m13h 58m
Data source: La Rioja daylight hours, calculated by summing the hours between sunrise and sunset for each day.

March Winds in La Rioja

As March breezes through La Rioja, Argentina, the winds offer a gentle dance at an average speed of 2.3 m/s (5 mph). This subtle uptick from February's calm, 2.0 m/s, hints at the seasonal transition, leading into the vibrant autumn months. While March maintains a consistent pace near the annual average, it sets the stage for a gradual increase in wind intensity as the year progresses, with noticeable gusts in September, October, and November reaching 2.7 m/s (6 mph). The rhythmic patterns of wind speed not only enhance the region’s charm but also contribute to the beautiful landscapes, making each stroll and hike delightfully refreshing.

Average March Wind Speed in La Rioja

The chart displays monthly wind speed patterns in La Rioja, with values for each month shown alongside March's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how March's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec2.52.02.3 m/s2.12.22.12.22.22.72.62.72.4
Data source: La Rioja March wind data, generated using information from the Copernicus Climate Change Service.

How March Weather in La Rioja Compares to Other Months

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

In comparing the weather conditions of March and January, we observe noticeable differences in temperature and humidity. January tends to be warmer, with an average temperature of 27°C (82°F) and a maximum reaching 41°C (107°F), while March has a lower average of 23°C (74°F) and a maximum of 38°C (100°F). Despite both months experiencing similar levels of precipitation—71 mm (2.8 in) in January and 73 mm (2.9 in) in March—the humidity in March is slightly higher at 68% compared to January's 63%. For more detailed information about January's weather, you can visit La Rioja weather in January.

In comparing the weather of March and February, we see notable differences in temperature patterns. March tends to be slightly cooler, with a minimum temperature of 10°C (51°F), an average of 23°C (74°F), and a maximum of 38°C (100°F), while February features warmer averages with a minimum of 14°C (57°F), an average of 25°C (78°F), and a maximum of 40°C (104°F). Both months experience similar precipitation levels, with March recording 73 mm (2.9 in) and February close behind at 72 mm (2.9 in), each having about 8 days of rainfall. Humidity is slightly higher in March at 68%, compared to 66% in February, suggesting a marginally more humid environment as the seasons transition. For more detailed information, you can check La Rioja weather in February.

March experiences warmer overall temperatures compared to April, with an average high of 38°C (100°F) compared to April's 34°C (93°F). Meanwhile, the minimum temperatures in March are notably higher at 10°C (51°F) compared to April's 7°C (45°F). Precipitation decreases significantly from March's 73 mm (2.9 in) over 8 days to April's 33 mm (1.3 in) over 6 days, while April also sees an increase in humidity, reaching 83% compared to March's 68%. For a more detailed look at April weather patterns, check out La Rioja weather in April.

March in La Rioja experiences significantly warmer temperatures, with a minimum of 10°C and average highs reaching up to 38°C, unlike May, where the minimum drops to 2°C and the average high is a much cooler 28°C. Additionally, March sees more precipitation, totaling 73 mm over 8 days, while May is drier, with only 23 mm over 5 days. The humidity levels are also higher in May, at 82%, compared to March’s 68%. For a detailed overview of the weather in May, you can visit La Rioja weather in May.

In March, temperatures in La Rioja range from a low of 10°C (51°F) to a high of 38°C (100°F), with an average temperature of 23°C (74°F). The month sees considerable rainfall, with a total precipitation of 73 mm (2.9 in) over approximately 8 days, and humidity levels around 68%. In contrast, June brings a much cooler climate, with temperatures ranging from a frigid -1°C (31°F) to a maximum of 24°C (76°F) and an average of only 11°C (52°F). Precipitation is significantly lower in June at just 11 mm (0.4 in) over 2 days, accompanied by a slight increase in humidity to 72%. For more details on June's weather, you can visit La Rioja weather in June.

In March, the weather is significantly warmer, with temperatures ranging from a minimum of 10°C (51°F) to a scorching maximum of 38°C (100°F) and an average temperature of 23°C (74°F). This month also sees more rainfall, with 73 mm (2.9 in) of precipitation occurring over about 8 days, resulting in a humidity level of 68%. In contrast, July experiences much cooler temperatures, with minimums dipping to -2°C (29°F) and a maximum of 25°C (78°F), averaging around 11°C (51°F). The month is notably drier, with only 5 mm (0.2 in) of precipitation over just a single day, leading to lower humidity at 57%. For more details on July weather, check out La Rioja weather in July.

In March, temperatures in La Rioja display a wide range, with minimums around 10°C (51°F) and maximums peaking at 38°C (100°F), averaging 23°C (74°F). This month also experiences considerable rainfall, with about 73 mm (2.9 in) of precipitation over 8 days, leading to a higher humidity level of 68%. In contrast, August weather presents a much cooler climate, as minimum temperatures drop to 0°C (33°F) and average around 14°C (58°F) with a maximum of 35°C (95°F). The stark difference is also highlighted by the significantly lower precipitation in August, with only 2 mm (0.1 in) and no rainy days, resulting in a more comfortable humidity of 42%. For more details on August weather, visit La Rioja weather in August.

March and September exhibit contrasting weather patterns despite sharing a maximum temperature of 38°C (100°F). In March, the minimum temperature is significantly warmer at 10°C (51°F), with an average of 23°C (74°F) and a higher humidity level of 68%, contributing to a more oppressive feel. Additionally, March experiences more precipitation, totaling 73 mm (2.9 in) over 8 days, creating a wetter atmosphere.

In contrast, September welcomes cooler temperatures, with a minimum of 2°C (35°F) and an average of 18°C (65°F). Precipitation drops dramatically to 20 mm (0.8 in) over just 3 days, indicating a much drier month. The lower humidity of 51% also provides a crisper feel as the season changes. For more detailed weather insights, you can check La Rioja weather in September.

In March, the weather tends to be warmer, with temperatures ranging from a minimum of 10°C (51°F) to a maximum of 38°C (100°F), averaging around 23°C (74°F). This month also sees a fair amount of precipitation, with around 73 mm (2.9 in) of rain over about 8 days and a humidity level of 68%. In contrast, October brings slightly cooler temperatures, with a minimum of 7°C (45°F) and a maximum of 40°C (104°F), averaging 22°C (72°F). The month is drier, with only 34 mm (1.3 in) of rain over 5 days, and a lower humidity of 47%. For more specific details about weather conditions in October, you can check La Rioja weather in October.

In March, temperatures begin to warm significantly, with a minimum of 10°C (51°F) and reaching up to 38°C (100°F), averaging around 23°C (74°F). The month experiences about 73 mm (2.9 in) of precipitation over approximately 8 days and boasts a humidity level of 68%. In contrast, November sees slightly warmer temperatures, with a minimum of 11°C (52°F) and a maximum of 41°C (106°F), averaging 25°C (77°F). This month is drier, with only 46 mm (1.8 in) of rain over 6 days and lower humidity at 58%. For more detailed insights, you can check out La Rioja weather in November.

In March, the weather in La Rioja features a minimum temperature of 10°C (51°F) and an average of 23°C (74°F), peaking at a maximum of 38°C (100°F), with 73 mm (2.9 in) of precipitation over 8 days. The humidity is relatively high at 68%, contributing to a warm and somewhat oppressive atmosphere. In contrast, December sees slightly milder nights with a minimum temperature of 12°C (54°F) and a higher average of 27°C (80°F), reaching an even warmer maximum of 42°C (108°F). Precipitation increases marginally to 77 mm (3.0 in) but occurs over just 7 days, while the humidity dips to 61%, making the heat feel more intense. For a detailed look at December's weather, you can visit La Rioja weather in December.

Compare La Rioja's Climate with Cities Worldwide

Conclusion: What to Expect From March Weather in La Rioja

As March unfolds in La Rioja, the weather transitions into a comfortable warmth, marking a delightful shift from the scorching summer months. With temperatures averaging around 23°C, it becomes a perfect time for outdoor activities, contrasting the extremes of January's heat. While the precipitation increases slightly, bringing about refreshing rains on about eight days, the humidity levels remain manageable at 68%. This blend of warmth and occasional showers makes March an ideal period to experience the vibrant natural beauty of La Rioja. For more insights into the region's climate patterns, explore La Rioja Climate.