March Weather in San Martin, Argentina

Last updated: August 21, 2025

March in San Martin, Argentina offers a delightful blend of warm days and cooler nights, with average temperatures lingering around 23°C (73°F). The month can see maximum heat peaks reaching 38°C (101°F), while evenings might cool down to a refreshing 7°C (44°F). Although the region experiences some rainfall, with a total of 26 mm (1.0 in) spread across 5 days, humidity maintains a comfortable level at 54%. This combination of climate elements creates a pleasant atmosphere perfect for outdoor activities and exploration.

March Temperature in San Martin

In March, San Martin, Argentina, experiences a gentle transition from the heat of summer to the cooler embrace of autumn. With minimum temperatures dipping to 7°C (44°F) and averages settling around 23°C (73°F), the climate becomes more temperate, providing a comfortable ambiance for outdoor activities. The maximum temperature peaks at 38°C (101°F), offering some warmth reminiscent of the preceding months. This trend showcases a gradual decrease in both nightly lows and daily highs compared to February, illustrating a clear shift away from the extreme temperatures typical of summer. As the month progresses, the respite from the scorching heat makes March a delightful time to enjoy the natural beauty of San Martin.

March Weather in San Martin: Daily Temperature Highs, Lows, and Averages

The chart illustrates March temperature patterns in San Martin, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Martin, 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).
JanFebMarAprMayJunJulAugSepOctNovDec817773655548475361687579
Data source: Temperature data for San Martin generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

March Precipitation in San Martin

March in San Martin, Argentina, sees a significant dip in precipitation, with just 26 mm (1.0 in) of rain falling over approximately 5 days. This marks a decrease from the wetter months of January and February, which recorded 36 mm (1.4 in) and 39 mm (1.6 in), respectively. As the region transitions into autumn, the rainfall begins to taper off, setting the stage for drier months ahead, such as April and May, where totals drop further to 20 mm (0.8 in) and 17 mm (0.7 in). This trend highlights a gradual decline in precipitation typically observed in San Martin, signaling the onset of a drier season after the summer months.

March Precipitation Trends in San Martin

The chart displays monthly precipitation patterns in San Martin, 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 San Martin, March typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec36402620175426132725
Data source: Precipitation data for March generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

March Humidity in San Martin

In March, humidity in San Martin, Argentina, reaches 54%, marking a noticeable rise from January's 40% and February's 46%. This trend reflects the gradual transition into the wetter autumn months, as humidity continues to climb through the year. Following March, the levels peak at 65% in April and maintain a high average throughout the early winter, suggesting a shift towards a more humid climate. The increase in humidity during the early months not only enhances the lushness of the region but also prepares for the later months where levels remain relatively high, ultimately tapering off towards the end of the year.

March Average Humidity in San Martin

This chart illustrates the average monthly humidity levels in San Martin, 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 San Martin 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 March generated using information from the Copernicus Climate Change Service.

March UV Index in San Martin

As March unfolds in San Martin, Argentina, the UV Index remains notably high at 12, categorizing the exposure as extreme with a rapid burn time of just 10 minutes. This trend highlights a continuance of intense UV levels experienced since the start of the year, as both January and February reported similar extreme indices of 15 and 14, respectively. While the sun begins to soften a bit in April, dipping to a very high UV Index of 8, March still demands vigilance for sun safety. Locals and visitors alike should be prepared with proper sun protection during this crucial transitional month. For more detailed insights, check out San Martin UV Index.

Maximum UV Index Levels in San Martin for March

The chart shows the monthly maximum UV Index (UVI) for San Martin 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 San Martin typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec151412864468121415
Data source: San Martin 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 San Martin

In March, San Martin enjoys an impressive 327 hours of sunshine, just shy of the peak 324 hours in February, showcasing the region's vibrant transition into early autumn. Following the warmth of summer, which basks in sunlight for an average of over 300 hours until February, March maintains a bright atmosphere while setting the stage for the gradual decrease in daylight hours that follows. As the year unfolds, sunshine begins to ebb with April and May dipping down to 276 and 267 hours respectively, hinting at the cooler days ahead. However, the months leading up to the summer solstice, particularly October and November, revive the sun-soaked trend, providing an average of 354 and 369 hours as residents revel in the warmer days once again.

Monthly Sunshine Duration in San Martin: March Highlighted

The March sunshine duration represents the total number of hours San Martin 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.
JanFebMarAprMayJunJulAugSepOctNovDec311h324h327h276h267h263h279h314h321h354h369h391h
Data source: San Martin March Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in San Martin During March

As March rolls into San Martin, Argentina, the likelihood of sunny weather begins to dip slightly, with a 60% chance of sunshine compared to the warmer summer months. This marks a subtle transition from the sun-drenched days of January and February, which boast chances of 71% and 65% respectively. However, it’s worth noting that March still enjoys more sun than the upcoming months, with April's 74% and May's 66% on the horizon, signaling a return to brighter skies. Overall, while March offers a delightful blend of sun and change, it remains a solid choice for those seeking a taste of late summer warmth before the autumn chill sets in.

Percentage of Sunny Days in March in San Martin

The chart illustrates the percentage of sunny days in San Martin 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 San Martin experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec71%65%60%74%66%64%87%81%83%79%76%67%
Data source: San Martin March chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in San Martin in March

In March, San Martin experiences an elegant transition as daylight begins to wane, offering approximately 12 hours of sunlight. This gradual reduction is part of a natural rhythm, with morning light steadily diminishing from the lengthy 14 hours of January. As the seasons shift, April follows closely with just 11 hours, hinting at the approaching winter months. The clear trend showcases how daylight diminishes as South America moves deeper into autumn, highlighting a cycle where light is abundant during the summer months and slowly gives way to the cozy darkness of winter, echoing a comforting seasonal ebb and flow. As the days shorten, there's a certain beauty in the softer, golden hours that March brings, inviting residents to savor the last of summer's warmth.

Average Daylight Hours in San Martin for March

The chart illustrates the variation in daylight duration in San Martin throughout the year, with March highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec14h 2m13h 14m12h 14m11h 13m10h 23m9h 59m10h 12m10h 56m11h 54m12h 55m13h 49m14h 17m
Data source: San Martin daylight hours, calculated by summing the hours between sunrise and sunset for each day.

March Winds in San Martin

In March, the winds in San Martin, Argentina show a gentle but noticeable uptick, with an average speed of 2.8 m/s (6 mph), slightly above the calmer February. This transition hints at the shifting seasons, as the breezy conditions pave the way for the warmer months ahead. The winds continue to ebb and flow, peaking in September at 3.5 m/s (8 mph) and October at 3.6 m/s (8 mph), before settling back down again. Generally, as the year progresses, the spring and early summer months invite a refreshing breeze, offering a delightful contrast to the more tranquil winter months when winds hover around 2.4 m/s (5 mph). Thus, March serves as a bridge, orchestrating the dance between calm and invigorating winds, making it a beautiful time to experience San Martin’s variable meteorological charm.

Average March Wind Speed in San Martin

The chart displays monthly wind speed patterns in San Martin, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.42.62.8 m/s2.42.42.32.42.83.53.63.33.5
Data source: San Martin March wind data, generated using information from the Copernicus Climate Change Service.

How March Weather in San Martin Compares to Other Months

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

In March, temperatures range from a minimum of 7°C (44°F) to a maximum of 38°C (101°F), with an average of 23°C (73°F). The month experiences about 26 mm (1.0 in) of precipitation over approximately 5 days and has a humidity level of 54%. In contrast, January sees slightly warmer temperatures, with a minimum of 10°C (49°F) and a maximum of 42°C (107°F), averaging 27°C (82°F). Precipitation in January is higher at 36 mm (1.4 in), occurring over 6 days, but the humidity is lower at 40%. For more details on January weather, visit San Martin weather in January.

In comparing the weather between February and March, it’s clear that March experiences slightly cooler temperatures overall. In February, the minimum temperature is notably higher at 13°C (55°F), while March's minimum drops to 7°C (44°F). However, March's average temperature of 23°C (73°F) is just a touch cooler than February’s 25°C (78°F). February also sees more extreme maximum temperatures with highs reaching 41°C (107°F) compared to March's maximum of 38°C (101°F). Additionally, February has more precipitation at 39 mm (1.6 in) over 7 days, whereas March has 26 mm (1.0 in) over only 5 days. The humidity is slightly higher in February at 46%, while March has a humidity level of 54%. For more detailed information on February conditions, check out San Martin weather in February.

In comparing the weather between March and April, there are notable differences in temperature and humidity. March experiences warmer average temperatures, with a minimum of 7°C (44°F) and an average high of 38°C (101°F), while April sees cooler averages, featuring a minimum of 2°C (36°F) and a maximum of 34°C (93°F). Additionally, March has slightly higher precipitation at 26 mm (1.0 in) over 5 days, compared to April's 20 mm (0.8 in) over just 3 days, and humidity levels are higher in April at 65% compared to March's 54%. For more detailed insights, you can check out San Martin weather in April.

March and May present contrasting weather patterns. In March, temperatures range significantly, with a minimum of 7°C (44°F), an average of 23°C (73°F), and can reach a high of 38°C (101°F). This month experiences relatively low precipitation of 26 mm (1.0 in) over 5 days, coupled with a humidity level of 54%. In contrast, May is much cooler with a minimum temperature of 0°C (32°F), an average of 13°C (56°F), and a maximum of 27°C (81°F). Precipitation decreases to 17 mm (0.7 in) over just 2 days, while humidity rises to 69%. For more details on weather conditions in May, you can check the following link: San Martin weather in May.

In March, the weather is significantly warmer, with temperatures ranging from a minimum of 7°C (44°F) to a maximum of 38°C (101°F), resulting in an average temperature of 23°C (73°F). This month sees moderate precipitation of 26 mm (1.0 in) over about 5 days, alongside a humidity level of 54%. In contrast, June experiences much cooler temperatures, with a minimum of -4°C (26°F) and a maximum of 26°C (79°F), leading to an average of just 9°C (48°F). Rainfall is quite low in June, at only 5 mm (0.2 in) and occurring over just 1 day, while humidity increases to 64%. For a detailed look at weather patterns in June, you can check San Martin weather in June.

The weather in March is significantly warmer than in July, with temperatures ranging from a minimum of 7°C (44°F) to a maximum of 38°C (101°F) and an average of 23°C (73°F). In contrast, July experiences much cooler temperatures, with a minimum of -3°C (27°F), an average of 8°C (47°F), and a maximum of 23°C (74°F). March also sees more precipitation, with 26 mm (1.0 in) over about 5 days, whereas July is relatively dry, receiving only 4 mm (0.2 in) of rainfall over just 1 day. Additionally, humidity levels are higher in July at 65%, compared to 54% in March. For more detailed information on July weather, you can check San Martin weather in July.

In March, temperatures soar with a minimum of 7°C (44°F) and an average high reaching 38°C (101°F), providing warm days balanced by some cooler nights. The month experiences moderate precipitation at 26 mm (1.0 in) over about five days, keeping humidity around 54%. In contrast, August offers a much cooler climate with minimum temperatures dropping to -2°C (28°F) and an average high of 32°C (90°F). Rain is scarce, with only 2 mm (0.1 in) over zero days, and humidity slightly higher at 60%. For more details, you can visit San Martin weather in August.

March weather presents a warm transition into autumn, with temperatures ranging from a mild 7°C (44°F) to a high of 38°C (101°F), and a notable average of 23°C (73°F). The month experiences moderate rainfall, accumulating 26 mm (1.0 in) over about five days, with humidity levels at 54%. In contrast, September ushers in cooler temperatures, with a minimum of -1°C (31°F) and an average of 16°C (62°F), peaking at 36°C (97°F). Precipitation is minimal in September, with only 6 mm (0.2 in) falling across just one day, while humidity slightly decreases to 51%. For more detailed information, check San Martin weather in September.

March and October present contrasting weather patterns, showcasing the transition between seasons. In March, temperatures range from a minimum of 7°C (44°F) to a maximum of 38°C (101°F), with an average of 23°C (73°F) and higher precipitation at 26 mm (1.0 in) over about 5 days. The humidity sits around 54%, contributing to a warmer feel. In contrast, October experiences cooler temperatures, with a minimum of 2°C (35°F) and a slightly lower average of 20°C (68°F), peaking at 39°C (103°F). Precipitation also decreases to 13 mm (0.5 in) over just 3 days, and humidity is slightly lower at 49%. For more details about October’s climate, you can check out San Martin weather in October.

In comparing the weather of March and November, both months exhibit warm temperatures but with slight variations. March typically sees temperatures ranging from a minimum of 7°C (44°F) to a maximum of 38°C (101°F), averaging around 23°C (73°F), while November's temperatures are slightly higher, with a minimum of 9°C (48°F) and a maximum of 40°C (105°F), averaging 24°C (75°F). Precipitation levels are similar in both months, with March receiving about 26 mm (1.0 in) and November slightly more at 27 mm (1.1 in), both occurring over five days. Interestingly, humidity levels are higher in March at 54%, compared to November's 44%, suggesting a drier feel later in the year. For a more detailed look at November weather conditions, you can check out San Martin weather in November.

March experiences a wide temperature range, with minimums around 7°C (44°F) and maximums peaking at 38°C (101°F), resulting in an average of 23°C (73°F). The month sees about 26 mm (1.0 in) of precipitation over five days and boasts a humidity level of 54%. In contrast, December's weather is typically warmer, with minimum temperatures at 12°C (54°F) and maximums reaching up to 42°C (108°F), leading to an average temperature of 26°C (80°F). The precipitation is slightly lower at 24 mm (1.0 in) over the same five days, but the humidity is reduced to 35%. For a detailed look at conditions in December, you can visit San Martin weather in December.

Compare San Martin's Climate with Cities Worldwide

Conclusion: What to Expect From March Weather in San Martin

March in San Martin presents a delightful transition from the sweltering summer months, inviting visitors to enjoy more moderate temperatures and a refreshing feel in the air. With an average temperature that strikes a comfortable balance, the month sees fewer scorching days than February, while still allowing for the occasional warm spell. The decrease in rainfall compared to the wetter months of late summer means that outdoor activities can be pursued with greater assurance, although the occasional shower might still make an appearance. Coupled with ambient humidity that's often manageable, March offers a uniquely pleasant climate that serves both adventure seekers and those looking to relax. For a deeper dive into what to expect throughout the year, be sure to check out San Martin Climate.