March Weather in San Pedro de Atacama, Chile

Last updated: August 21, 2025

In March, San Pedro de Atacama, Chile experiences a delightful climate characterized by a maximum temperature of 29°C (84°F) and an average of 18°C (64°F). The nights can be cooler, with temperatures dipping to a minimum of 7°C (45°F). Despite being in a desert region, visitors may encounter some moisture as the area receives approximately 11 mm (0.4 in) of precipitation over just 2 days. With humidity levels around 84%, the air carries a refreshing quality, making late summer an ideal time to explore this stunning region's natural wonders.

March Temperature in San Pedro de Atacama

In March, San Pedro de Atacama experiences the gentle transition from summer to autumn. With nighttime temperatures dipping to a cool 7°C (45°F), days remain pleasantly warm, averaging around 18°C (64°F) and peaking at approximately 29°C (84°F). This slight decrease in daytime highs from February’s maximum fosters a comfortable environment for exploration. As the month progresses, the region's stunning landscapes become even more inviting, making it an ideal time for both adventure seekers and those looking to enjoy the serene beauty of the Atacama Desert.

March Weather in San Pedro de Atacama: Daily Temperature Highs, Lows, and Averages

The chart illustrates March temperature patterns in San Pedro de Atacama, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Pedro de Atacama, 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).
JanFebMarAprMayJunJulAugSepOctNovDec666564605450515358626566
Data source: Temperature data for San Pedro de Atacama 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 Pedro de Atacama

In March, the weather in San Pedro de Atacama continued its dry trend, with precipitation recorded at just 11 mm (0.4 in) over 2 days. Following February's relatively wetter conditions, which brought 54 mm (2.1 in) across 7 days, March marks a noticeable decline in rainfall, highlighting the region's characteristic aridity. As the transition to autumn occurs, the sparse showers of March, alongside even drier months ahead, reinforce Atacama's reputation as one of the driest places on Earth, making every drop of rain a significant event in this stunning desert landscape.

March Precipitation Trends in San Pedro de Atacama

The chart displays monthly precipitation patterns in San Pedro de Atacama, 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 Pedro de Atacama, March typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec265411436161006
Data source: Precipitation data for March generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

March Humidity in San Pedro de Atacama

As March arrives in San Pedro de Atacama, the desert oasis experiences a notable increase in humidity, reaching 84%—the highest level of the year. This rise follows an already elevated February, which recorded 81% humidity, indicating a trend of increasing moisture as summer transitions into the cooler months. However, this peak is short-lived, as April brings a sharp decrease to 71%, hinting at the arid conditions that are characteristic of this region. Overall, March serves as a pivotal moment in the humidity cycle of San Pedro de Atacama, marking the last hurrah of moisture before the gradual shift toward the drier autumn and winter months.

March Average Humidity in San Pedro de Atacama

This chart illustrates the average monthly humidity levels in San Pedro de Atacama, 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 Pedro de Atacama is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec75%81%84%71%60%52%51%43%49%49%47%53%
Data source: Humidity data for March generated using information from the Copernicus Climate Change Service.

March UV Index in San Pedro de Atacama

In March, the UV Index in San Pedro de Atacama, Chile, remains exceptionally high at 16, keeping it within the extreme exposure category. This follows a trend seen in the preceding months where the index has consistently hovered between 16 and 18, marking an uninterrupted period of intense sun exposure. Notably, the recommended burn time stays at a brisk 10 minutes, emphasizing the need for caution and sun protection. As we transition into April, a slight decrease to 13 is anticipated; however, even that level still indicates extreme conditions. For those planning to indulge in outdoor activities, it is crucial to stay informed and prepared. For detailed information on daily UV levels, visit San Pedro de Atacama UV Index.

Maximum UV Index Levels in San Pedro de Atacama for March

The chart shows the monthly maximum UV Index (UVI) for San Pedro de Atacama 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 Pedro de Atacama typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec1817161310891114171818
Data source: San Pedro de Atacama 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 Pedro de Atacama

March in San Pedro de Atacama, Chile, is a radiant month, boasting an impressive 360 hours of sunshine. This marks a delightful increase from January and February's totals, reflecting a trend of gradually rising daylight as summer fades into autumn. Following March, April still enjoys a generous 335 hours, though it begins a slow descent into the cooler months. As the year progresses, sunshine hours typically fluctuate, peaking towards the end of the year with December reaching a dazzling 391 hours. This progression, characterized by vibrant sunlight in the earlier months, invites visitors to revel in the breathtaking landscapes and celestial wonders of the Atacama Desert.

Monthly Sunshine Duration in San Pedro de Atacama: March Highlighted

The March sunshine duration represents the total number of hours San Pedro de Atacama 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.
JanFebMarAprMayJunJulAugSepOctNovDec300h313h360h335h323h302h320h341h346h378h384h391h
Data source: San Pedro de Atacama March Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in San Pedro de Atacama During March

In March, San Pedro de Atacama enjoys a noteworthy 72% chance of sunny weather, aligning with the peak of its summer season. This probability is consistent with February, suggesting an overall harmonious climate before the gradual shift towards winter in the later months. As the year progresses, the likelihood of sunshine increases dramatically, reaching an impressive 86% in April and peaking at 93% by October, creating a perfect backdrop for outdoor explorations. Conversely, with December dipping to 47%, it's clear that while March offers a delightful window of sunshine, the region's climate exhibits a distinct ebb and flow as the seasons change.

Percentage of Sunny Days in March in San Pedro de Atacama

The chart illustrates the percentage of sunny days in San Pedro de Atacama 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 Pedro de Atacama experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec64%72%72%86%78%73%77%91%77%93%78%47%
Data source: San Pedro de Atacama March chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in San Pedro de Atacama in March

In March, San Pedro de Atacama enjoys a steady 12 hours of daylight, marking a transition from the sun-soaked days of mid-summer. As summer draws to a close, daylight hours begin to taper off, anticipating the approach of autumn. This month sees a consistent daylight duration, mirroring February, which reflects the region's characteristic stability in sunlight as it gently shifts towards cooler months. Following March, daylight gradually decreases to 11 hours in April and stabilizes at 10 hours from May to July, before slowly climbing back up in August. This rhythm highlights the unique climate of the Atacama Desert, where daylight remains a treasured constant amidst the changing seasons.

Average Daylight Hours in San Pedro de Atacama for March

The chart illustrates the variation in daylight duration in San Pedro de Atacama throughout the year, with March highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec13h 20m12h 49m12h 10m11h 31m10h 59m10h 44m10h 52m11h 20m11h 57m12h 37m13h 12m13h 30m
Data source: San Pedro de Atacama daylight hours, calculated by summing the hours between sunrise and sunset for each day.

March Winds in San Pedro de Atacama

As March rolls in San Pedro de Atacama, the average wind speed dips slightly to 2.2 m/s (5 mph), maintaining a gentle breeze reminiscent of the preceding months. This subtle decrease is part of a consistent trend seen from January through March, where wind speeds hover around the same mark. Despite this minor fluctuation, the overall pattern reveals the region's characteristic calm before gradually increasing winds in the following months. As the seasons shift, April nudges the average back to 2.4 m/s (5 mph), setting the stage for the breezier months ahead. The tranquil yet dynamic climate of Atacama creates a unique atmosphere for both visitors and locals, offering a perfect blend of stillness and the promise of warmer days.

Average March Wind Speed in San Pedro de Atacama

The chart displays monthly wind speed patterns in San Pedro de Atacama, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.42.42.2 m/s2.42.53.22.92.92.82.92.52.4
Data source: San Pedro de Atacama March wind data, generated using information from the Copernicus Climate Change Service.

How March Weather in San Pedro de Atacama Compares to Other Months

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

When comparing the weather in March and January, we see some notable differences. March typically experiences a minimum temperature of 7°C (45°F) and an average high of 29°C (84°F), whereas January has slightly milder temperatures, with a minimum of 9°C (49°F) and an average maximum of 30°C (87°F). Precipitation is less frequent in March, with only 11 mm (0.4 in) over 2 days, compared to January’s 26 mm (1.0 in) over 5 days, indicating a wetter start to the year. Additionally, humidity levels are higher in March at 84%, compared to 75% in January. For more details on January weather, check out San Pedro de Atacama weather in January.

In comparing the weather of March and February, March tends to be slightly warmer on the minimum end, with a low of 7°C (45°F) compared to February's 8°C (47°F). However, February boasts a higher maximum temperature, peaking at 31°C (88°F) versus March's 29°C (84°F). Precipitation is significantly lower in March, with only 11 mm (0.4 in) over 2 days, while February experiences much higher rainfall at 54 mm (2.1 in) across 7 days, making it a wetter month overall. Humidity levels are comparable, with March at 84% and February slightly lower at 81%. For more detailed information on February conditions, check out San Pedro de Atacama weather in February.

In March, the weather experiences a wider temperature range with a minimum of 7°C (45°F) and an average of 18°C (64°F), reaching a maximum of 29°C (84°F). This month sees slightly more precipitation at 11 mm (0.4 in) over just 2 days and has a higher humidity level at 84%. In contrast, April brings cooler temperatures, with a minimum of 2°C (36°F) and an average of 16°C (60°F), while still peaking at 28°C (83°F). April is notably drier, receiving only 4 mm (0.2 in) of precipitation and no rainy days, coupled with a lower humidity of 71%. For more details on April weather in the region, you can check San Pedro de Atacama weather in April.

In March, the weather is generally warmer, with temperatures ranging from a minimum of 7°C (45°F) to a maximum of 29°C (84°F) and an average of 18°C (64°F). The month sees some precipitation, totaling 11 mm (0.4 in) over 2 days, along with higher humidity at 84%. In contrast, May experiences cooler temperatures, with a minimum of -1°C (31°F), a maximum of 25°C (77°F), and an average of 12°C (54°F). Precipitation is significantly less in May, totaling just 3 mm (0.1 in) over 1 day, and the humidity drops to 60%. For more details, you can check the San Pedro de Atacama weather in May.

In March, the weather is notably warmer, with temperatures ranging from a minimum of 7°C (45°F) to a maximum of 29°C (84°F) and an average temperature of 18°C (64°F). The humidity is relatively high at 84%, and there are about 2 days of precipitation, totaling 11 mm (0.4 in). In contrast, June presents much cooler conditions, with temperatures peaking at 24°C (76°F) and dropping as low as -2°C (29°F), while the average sits at 10°C (51°F). Remarkably, June experiences no precipitation, and humidity levels are significantly lower at 52%. For more details on the weather during June, you can visit San Pedro de Atacama weather in June.

In March, the weather is markedly warmer with average temperatures reaching 18°C (64°F) and maxing out at 29°C (84°F), while July records cooler temperatures, with an average of 11°C (51°F) and a maximum of just 24°C (75°F). March experiences higher humidity at 84% and slightly more precipitation, with 11 mm (0.4 in) over two days, compared to July's dry conditions with only 1 mm (0.1 in) and no rainy days. Such differences highlight the transition from the warm, humid early months of the year to the cooler, drier mid-winter climate. For more detailed insights into July weather, you can check San Pedro de Atacama weather in July.

The weather in March is typically much warmer than in August, with average temperatures ranging from a minimum of 7°C (45°F) to a maximum of 29°C (84°F), while August sees cooler temperatures, with a minimum of -2°C (29°F) and a maximum of 25°C (78°F). March also experiences higher humidity at 84% and more precipitation, averaging about 11 mm (0.4 in) over two days. In contrast, August brings a drier climate with only 6 mm (0.2 in) of precipitation over zero days and significantly lower humidity at 43%. For more details on August weather, you can refer to this link: San Pedro de Atacama weather in August.

When comparing the weather in March and September, notable differences emerge. March offers a warm climate, with average temperatures ranging from a minimum of 7°C (45°F) to a peak of 29°C (84°F) and relatively high humidity at 84%. This month experiences some rainfall, with approximately 11 mm (0.4 inches) over two days. In contrast, September presents cooler conditions, with temperatures ranging from a low of 0°C (32°F) to a maximum of 28°C (82°F). It is significantly drier, recording only 1 mm (0.0 inches) of precipitation and no rainy days, resulting in a much lower humidity level of 49%. For a detailed look at September's climate, you can visit San Pedro de Atacama weather in September.

March and October present distinct weather patterns in San Pedro de Atacama. In March, temperatures range from a minimum of 7°C (45°F) to a high of 29°C (84°F), with an average of 18°C (64°F). The month experiences some precipitation, totaling 11 mm (0.4 in) over 2 days, and maintains a higher humidity level of 84%. In contrast, October showcases cooler temperatures with a minimum of 0°C (33°F) and the same maximum of 29°C (84°F), but the average temperature drops to 17°C (62°F). Remarkably, this month sees no precipitation at all and a much lower humidity of 49%. For those interested in more details, you can find information about San Pedro de Atacama weather in October.

In March, the weather features a wider range of temperatures with a minimum of 7°C (45°F) and a maximum reaching up to 29°C (84°F), allowing for pleasant and warm days. The month also experiences some rainfall, with about 11 mm (0.4 in) of precipitation over two days, contributing to a high humidity level of 84%. In contrast, November offers similar average temperatures, with a slightly lower minimum of 4°C (39°F) and a maximum of 30°C (86°F). Notably, November is much drier, boasting no recorded precipitation, resulting in a significantly lower humidity level of 47%. For more insights on November weather, you can check San Pedro de Atacama weather in November.

In comparing the weather of March and December, both months exhibit mild temperatures, but December tends to be slightly warmer overall. March has an average temperature of 18°C (64°F) with highs reaching up to 29°C (84°F), while December's average temperature is slightly higher at 19°C (66°F), peaking at a maximum of 32°C (90°F). Precipitation is more frequent in March, with an average of 11 mm (0.4 in) over 2 days, compared to December's drier conditions with only 6 mm (0.2 in) over just 1 day. Additionally, humidity levels are notably higher in March at 84%, whereas December experiences a more comfortable 53% humidity. For further details on December weather, you can visit San Pedro de Atacama weather in December.

Compare San Pedro de Atacama's Climate with Cities Worldwide

Conclusion: What to Expect From March Weather in San Pedro de Atacama

As March rolls into San Pedro de Atacama, the weather begins to shift into a more temperate phase, differentiating itself from the hotter summer months. With daily highs reaching a pleasant 29°C (84°F) and cooling nights, the overall climate feels more inviting, making it an ideal time for outdoor adventures. While rainfall is minimal, with just two days of light precipitation, humidity peaks at a notable 84%, giving the desert a refreshing feel. If you're curious about how the weather evolves throughout the year, be sure to check out the detailed insights on San Pedro de Atacama Climate.