March Weather in Antofagasta, Chile

Last updated: August 21, 2025

March in Antofagasta, Chile welcomes the transition from summer with temperatures ranging from a pleasant 14°C (58°F) at night to a maximum of 23°C (73°F) during the day, averaging around 18°C (65°F). While the weather remains generally dry, a modest 10 mm (0.4 in) of rain may fall on a single day, contributing to the region's lush coastal atmosphere. With humidity levels at 84%, the month captures the essence of late summer, offering visitors a refreshing coastal experience amidst stunning landscapes.

March Temperature in Antofagasta

In March, Antofagasta experiences a gentle transition towards cooler temperatures, with minimums dipping to 14°C (58°F) and average highs holding steady at 23°C (73°F). This month typically sees an average temperature of 18°C (65°F), marking a slight decrease from the consistent warmth of January and February. The trends show a gradual cooling into autumn, setting the stage for the chillier months ahead. As daylight hours shorten, the pleasant climate remains ideal for outdoor activities, allowing visitors to enjoy both the temperate weather and the stunning Chilean coastline.

March Weather in Antofagasta: Daily Temperature Highs, Lows, and Averages

The chart illustrates March temperature patterns in Antofagasta, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Antofagasta, 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).
JanFebMarAprMayJunJulAugSepOctNovDec666664626058575756576062
Data source: Temperature data for Antofagasta 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 Antofagasta

March marks a transitional phase in Antofagasta’s climatic calendar, with precipitation levels notably increasing to 10 mm (0.4 in) after a drier start to the year. This uptick, occurring over just one rainy day, hints at the gradual ascent towards the wetter months ahead. Compared to the preceding months of January and February, which recorded negligible rainfall, March not only signifies a shift but also sets the stage for the more substantial rainfalls expected in April and May. As the region gears up for its more humid season, this slight increase in precipitation lays the groundwork for the subsequent pattern of moisture, illustrating the unique climatic rhythm of northern Chile.

March Precipitation Trends in Antofagasta

The chart displays monthly precipitation patterns in Antofagasta, 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 Antofagasta, March typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec641018181719131512118
Data source: Precipitation data for March generated using information from the Copernicus Climate Change Service.
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March Humidity in Antofagasta

In March, Antofagasta, Chile experiences a humidity level of 84%, mirroring the slight uptick noted in February. This high humidity persists as a characteristic feature of the early months of the year, indicative of the region's climatic patterns. As the seasons transition into April, humidity dips slightly to 83%, signaling the start of a gradual decline that continues through the cooler months. Notably, the trend throughout the year showcases a steady decrease in humidity from the peak levels in summer, illustrating how Antofagasta's coastal climate evolves with the changing seasons while maintaining a generally humid atmosphere during the early part of the year.

March Average Humidity in Antofagasta

This chart illustrates the average monthly humidity levels in Antofagasta, 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 Antofagasta is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec83%84%84%83%80%79%77%75%77%77%79%78%
Data source: Humidity data for March generated using information from the Copernicus Climate Change Service.

March UV Index in Antofagasta

In March, Antofagasta experiences a slightly lower UV Index of 13, categorizing the exposure as extreme, yet the burn time remains a swift 10 minutes, consistent with the previous months. This trend highlights the relentless intensity of the sun in the region, particularly during the early part of the year when the UV Index peaks at 15 in January and February. As autumn approaches, there’s a noticeable decline in UV levels; April brings a drop to 10, still classified as very high, but provides a welcome increase in burn time to 15 minutes. Overall, March signifies the tail end of the intense summer sun, reminding residents and visitors alike to remain vigilant with sun protection. For detailed insights on UV exposure throughout the year, visit Antofagasta UV Index.

Maximum UV Index Levels in Antofagasta for March

The chart shows the monthly maximum UV Index (UVI) for Antofagasta 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 Antofagasta typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec15151310867911141515
Data source: Antofagasta 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 Antofagasta

As March unfolds in Antofagasta, Chile, the region basks in an impressive 360 hours of sunshine, marking the peak of its late-summer brilliance. Following a gradually increasing trend since January, where the sun graced the skies for 315 hours, March heralds a delightful crescendo in daylight that continues into the forthcoming months. This sunny spurt peaks as winter approaches, with April experiencing a slight dip to 329 hours, yet remains comfortably above the sunshine levels of earlier months. It's a vivid reminder of Antofagasta's unique climate, where the sun continues to shine brightly, offering residents and visitors alike a warm embrace before the gentle onset of cooler days.

Monthly Sunshine Duration in Antofagasta: March Highlighted

The March sunshine duration represents the total number of hours Antofagasta 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.
JanFebMarAprMayJunJulAugSepOctNovDec315h341h360h329h318h299h311h332h341h372h376h391h
Data source: Antofagasta March Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Antofagasta During March

March in Antofagasta, Chile, presents a moderate likelihood of sunny weather, with a 72% chance of sunshine. While this marks a slight decrease from the sunnier months of January and February, which boast chances of 75% and 78% respectively, March still holds its own in comparison to the subsequent months. Following March, the probability of clear skies drops more significantly, dipping to 57% in April. This trend illustrates a gradual transition from the vibrant summer sun to the milder autumn days, suggesting that while March remains a relatively bright month, it offers a gentle prelude to the cooler weather ahead.

Percentage of Sunny Days in March in Antofagasta

The chart illustrates the percentage of sunny days in Antofagasta 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 Antofagasta experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec75%78%73%57%60%60%51%68%58%70%58%52%
Data source: Antofagasta March chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Antofagasta in March

In March, Antofagasta experiences a delightful 12 hours of daylight, maintaining the same duration as February. This marks a gentle transition from the longer days of summer into the cooler autumn months, as sunlight gradually wanes with each passing month. Following March, daylight decreases to 11 hours in April and continues to taper off to 10 hours from May through July. However, as the year progresses, the days begin to lengthen again, adding an hour by August and reverting to 12 hours in October. Overall, the youthful glow of March signifies a time when daylight begins its subtle retreat, setting the stage for the beautiful seasonal changes that follow.

Average Daylight Hours in Antofagasta for March

The chart illustrates the variation in daylight duration in Antofagasta throughout the year, with March highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec13h 23m12h 51m12h 11m11h 30m10h 57m10h 41m10h 49m11h 18m11h 57m12h 38m13h 15m13h 33m
Data source: Antofagasta daylight hours, calculated by summing the hours between sunrise and sunset for each day.

March Winds in Antofagasta

As March unfolds in Antofagasta, the coastal city experiences a gentle decline in wind speed, averaging 3.2 m/s (7 mph). This marks a subtle transition from the breezier months of January and February, which showcase average winds of 3.5 m/s and 3.3 m/s, respectively. As the month slips into April, the trend continues with even calmer conditions, revealing a decrease that signals the onset of a more tranquil season. Notably, this pattern of diminishing winds persists through the following months, reaching a low of 2.4 m/s (5 mph) in June before gradually recovering in late spring and early summer. March, therefore, serves as a pivotal point, bridging the brisk early summer winds with the serene calmness that characterizes the Antofagasta winter.

Average March Wind Speed in Antofagasta

The chart displays monthly wind speed patterns in Antofagasta, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.53.33.2 m/s2.92.62.42.72.93.33.53.63.5
Data source: Antofagasta March wind data, generated using information from the Copernicus Climate Change Service.

How March Weather in Antofagasta Compares to Other Months

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

In comparing March and January weather, we find that both months have relatively mild temperatures, with January experiencing a slightly higher minimum temperature of 16°C (61°F) compared to March's minimum of 14°C (58°F). The average temperature remains fairly consistent, peaking at around 19°C (66°F) in January and 18°C (65°F) in March. Notably, precipitation levels differ, with March seeing 10 mm (0.4 in) over one day, whereas January records only 6 mm (0.2 in) with no rainy days. Humidity levels are comparable, with March at 84% and January slightly lower at 83%. For more details, you can check Antofagasta weather in January.

March typically brings slightly cooler temperatures compared to February, with a minimum of 14°C (58°F) and an average of 18°C (65°F), while February's minimum is 15°C (60°F) and an average of 19°C (66°F). Both months share a maximum temperature of 23°C (73°F), but March experiences more precipitation, recording 10 mm (0.4 in) over just one day, whereas February only sees 4 mm (0.2 in) with no rainy days. Humidity remains constant at 84% for both months, ensuring a comfortable coastal climate. For more detailed insight into February's weather, you can visit Antofagasta weather in February.

In comparing the weather between March and April, March tends to be slightly warmer, with average temperatures ranging from 14°C (58°F) to a maximum of 23°C (73°F). It also experiences less precipitation, only 10 mm (0.4 in) over just one day. In contrast, April sees a decrease in overall temperature, with averages from 14°C (57°F) to a maximum of 20°C (68°F), along with increased precipitation totaling 18 mm (0.7 in) over six days. Humidity levels remain fairly consistent between the two months, with March at 84% and April slightly lower at 83%. For more detailed information, you can check out Antofagasta weather in April.

In March, the weather is typically warmer with minimum temperatures around 14°C (58°F) and average highs reaching 23°C (73°F), while experiencing only minimal precipitation of 10 mm (0.4 in) over just one day. The humidity during this month is relatively high at 84%. In contrast, May shows cooler temperatures, with a minimum of 12°C (55°F) and an average high of 20°C (69°F). Additionally, precipitation increases to 18 mm (0.7 in), occurring over seven days, and humidity levels drop slightly to 80%. For more detailed information, you can check Antofagasta weather in May.

March and June exhibit distinct differences in weather patterns. In March, the temperatures are generally warmer, with a minimum of 14°C (58°F), an average of 18°C (65°F), and a maximum of 23°C (73°F). The precipitation is relatively low, totaling just 10 mm (0.4 in) over the course of only 1 day, coupled with high humidity at 84%. In contrast, June experiences cooler temperatures, with a minimum of 12°C (54°F), an average of 15°C (59°F), and a maximum of 21°C (70°F). The month is wetter, with 17 mm (0.7 in) of rainfall spread over 6 days, and slightly lower humidity at 79%. For more detailed insights, you can refer to Antofagasta weather in June.

In March, the weather is generally milder, with temperatures ranging from a minimum of 14°C (58°F) to a maximum of 23°C (73°F), creating a pleasant average of 18°C (65°F). Precipitation is minimal, averaging just 10 mm (0.4 in) across only one day, while humidity is relatively high at 84%. In contrast, July experiences cooler temperatures, with lows of 11°C (52°F) and highs reaching only 19°C (66°F), giving it a lower average of 14°C (57°F). There is also increased precipitation in July, totaling 19 mm (0.8 in) over about seven days, and humidity is slightly lower at 77%. For more details, you can check Antofagasta weather in July.

When comparing the weather in March and August, we see distinct differences in temperature and humidity. March generally offers warmer conditions, with average temperatures ranging from a minimum of 14°C (58°F) to a maximum of 23°C (73°F), whereas August's temperatures are cooler, ranging from a minimum of 11°C (52°F) to a maximum of 19°C (67°F). Moreover, despite March's higher average temperature, it has lower humidity at 84% compared to August's 75%. Precipitation is also more frequent in August, occurring over 4 days with a total of 13 mm (0.5 in) of rainfall, while March sees just 10 mm (0.4 in) of rain over only 1 day. For a closer look at the specifics of August weather, you can visit Antofagasta weather in August.

When comparing the weather in March and September, it is clear that March tends to be warmer overall. With temperatures averaging 18°C (65°F) and reaching a maximum of 23°C (73°F), March offers a comfortable climate, albeit with higher humidity levels at 84%. In contrast, September features cooler temperatures, with an average of 14°C (57°F) and a maximum of only 17°C (63°F). Additionally, September experiences more precipitation, totaling 15 mm (0.6 in) over 4 days, compared to just 10 mm (0.4 in) over 1 day in March. For a detailed look at the conditions during September, check out Antofagasta weather in September.

In March, the weather is generally warmer and more humid, with temperatures ranging from a minimum of 14°C (58°F) to a maximum of 23°C (73°F) and an average of 18°C (65°F). The month sees minimal rainfall, with only about 10 mm (0.4 in) of precipitation over just one day, contributing to a higher humidity level of 84%. In contrast, October experiences cooler temperatures, with a minimum of 12°C (53°F) and a maximum of 17°C (63°F), averaging around 14°C (58°F). Precipitation slightly increases to 12 mm (0.5 in) spread over two days, while humidity decreases to 77%. For more details, you can check out Antofagasta weather in October.

March and November in Antofagasta exhibit mild and relatively similar weather, but there are subtle differences to note. In March, temperatures range from a minimum of 14°C (58°F) to a maximum of 23°C (73°F), with an average of 18°C (65°F). The humidity is higher in March at 84%, while precipitation is minimal at just 10 mm (0.4 in) over one day. In contrast, November sees slightly cooler temperatures, with a minimum of 13°C (56°F), an average of 15°C (60°F), and a maximum of 19°C (66°F). The humidity in November is lower at 79%, and precipitation remains comparable at 11 mm (0.4 in) over one day. For more detailed information, you can check out the Antofagasta weather in November.

In March, the weather is generally warmer, with average temperatures ranging from a minimum of 14°C (58°F) to a maximum of 23°C (73°F). The month sees a bit of rain, with approximately 10 mm (0.4 in) of precipitation over one day, contributing to a higher humidity level of 84%. In contrast, December experiences milder temperatures, with an average ranging from 14°C (58°F) to 19°C (67°F). The month is notably drier, with only 8 mm (0.3 in) of precipitation and no rainy days, leading to a slightly lower humidity of 78%. For more insights, you can check Antofagasta weather in December.

Compare Antofagasta's Climate with Cities Worldwide

Conclusion: What to Expect From March Weather in Antofagasta

As March rolls in, Antofagasta enjoys a pleasant transition from the heat of summer to the milder temperatures of autumn. With average temperatures hovering around a comfortable 18°C (65°F), the month offers a delightful reprieve, marked by lower humidity levels compared to the preceding months. While precipitation remains minimal, with only a single rainy day, the overall shift in weather feels refreshing. This transformation sets the stage for exploring the city's rich landscape and urban charm. For more insights on the delightful climate of this coastal gem, visit Antofagasta Climate.