March Weather in Santarem, Brazil

Last updated: August 21, 2025

In March, Santarem, Brazil, experiences a tropical climate characterized by a maximum temperature of 32°C (90°F) and an average of 26°C (80°F), creating a warm and inviting atmosphere. Visitors can expect a minimum temperature of 23°C (74°F) during the nights. However, this vibrant weather comes with substantial precipitation, averaging 399 mm (15.7 in) spread over 28 rainy days. Coupled with a humidity level of 68%, March in Santarem is a lush and dynamic month, perfect for immersing in the region's rich natural beauty, albeit with an umbrella in hand.

March Temperature in Santarem

In March, Santarem, Brazil, experiences a subtle rise in temperatures, continuing the warm trend of the earlier months. The minimum temperature remains steady at 23°C (74°F), while the average holds firm at 26°C (80°F). However, a slight increase is evident in the maximum temperature, climbing to 32°C (90°F), marking the first peak of the season. This slight uptick hints at the transition to hotter months ahead, with April and May expected to see similar warmth, but with minimal variation in the lower ranges. Overall, March in Santarem offers a comfortable balance of warmth, ideal for enjoying the vibrant local culture amidst the lush Amazon backdrop.

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

The chart illustrates March temperature patterns in Santarem, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Santarem, 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).
JanFebMarAprMayJunJulAugSepOctNovDec797980808081818384848381
Data source: Temperature data for Santarem 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 Santarem

In March, Santarém experiences a significant amount of rainfall, with 399 mm (15.7 in) recorded over the month, making it one of the wetter periods of the year. This precipitation typically falls across 28 days, establishing March as a transitional month that continues the rainy season momentum initiated in February. While the rainfall is slightly less than February's peak of 425 mm (16.7 in), it still underscores the persistence of tropical downpours characteristic of the region. As the rainy season progresses into April, precipitation amounts remain substantial at 429 mm (16.9 in), suggesting a consistent pattern of high rainfall well into the early months of the year. Overall, March serves as a pivotal point in the wet season, providing essential hydration to the lush landscapes surrounding Santarém before transitioning to the slightly drier months that follow.

March Precipitation Trends in Santarem

The chart displays monthly precipitation patterns in Santarem, 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 Santarem, March typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec351425399430359169137796987190359
Data source: Precipitation data for March generated using information from the Copernicus Climate Change Service.
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March Humidity in Santarem

In March, Santarem experiences a humidity level of 68%, marking a slight rebound from February's lower reading of 65%. This transition hints at the approach of the wetter months ahead, as humidity rises significantly in April to 86% and continues its climb into May, reaching a peak of 90%. The overall trend highlights a fascinating shift in the region's climate, where the dry spells of late summer in August and September, with humidity dipping to 46% and 40%, give way to a more humid atmosphere as the rainy season commences. This dynamic interplay between wet and dry months makes March a pivotal point in the annual humidity cycle of Santarem.

March Average Humidity in Santarem

This chart illustrates the average monthly humidity levels in Santarem, 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 Santarem is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec79%65%68%86%90%82%61%46%40%38%39%69%
Data source: Humidity data for March generated using information from the Copernicus Climate Change Service.

March UV Index in Santarem

In March, Santarem, Brazil experiences a notable increase in UV Index levels, reaching a peak of 16—the highest recorded for the month and indicative of extreme exposure risk. This reflects a consistent trend from the previous months of January and February, both of which maintained a UV Index of 15. As sunlight intensifies entering spring, residents and visitors alike should remain vigilant, as the burn time remains a swift 10 minutes, emphasizing the need for proper sun protection. This pattern continues into April, where the UV Index holds steady at 16, underscoring the importance of safeguarding skin during these sun-drenched days. For more detailed information, visit the Santarem UV Index.

Maximum UV Index Levels in Santarem for March

The chart shows the monthly maximum UV Index (UVI) for Santarem 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 Santarem typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec151516161312111212131313
Data source: Santarem 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 Santarem

March in Santarém, Brazil, shines particularly bright with 269 hours of glorious sunshine, marking a notable increase from the preceding months. As the summer season progresses, the warmth intensifies, paving the way for even sunnier days ahead. Following March, the month of May dazzles with an impressive 281 hours, while the peak of sunshine arrives in July with 337 hours. This trend showcases a delightful escalation in daylight, creating an inviting atmosphere perfect for outdoor adventures. As the year unfolds, the consistent upward trajectory in sunlight hours illustrates Santarém's charm, making it an ideal destination for those yearning for vibrant, sun-kissed days.

Monthly Sunshine Duration in Santarem: March Highlighted

The March sunshine duration represents the total number of hours Santarem 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.
JanFebMarAprMayJunJulAugSepOctNovDec235h240h269h247h281h314h337h341h336h333h291h284h
Data source: Santarem March Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Santarem During March

In Santarem, Brazil, the likelihood of sunny weather in March dips to 11%, making it one of the cloudier months of the year. This marks a noticeable decline from the consistently brighter days seen in the earlier months of January and February, both at 19%. However, as the year progresses, there is a significant upswing in sunny days, with chances soaring to 29% in May and reaching an impressive 50% by August. This trend indicates that while March may not be the ideal time for sun seekers, the latter half of the year offers a promising shift towards brighter and sunnier days.

Percentage of Sunny Days in March in Santarem

The chart illustrates the percentage of sunny days in Santarem 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 Santarem experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec19%19%11%15%29%42%44%50%48%35%22%10%
Data source: Santarem March chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Santarem in March

In March, Santarem, Brazil, enjoys an impressive 12 hours of daylight, maintaining a consistent pattern evident throughout the year. This equilibrium shifts slightly as the seasons progress; while the first half of the year boasts an unwavering 12 hours from January to April, daylight begins to taper off to 11 hours in May before gradually returning to 12 hours from August through December. This stable cycle of sunlight not only highlights Santarem's unique tropical climate but also underscores a sense of rhythm in the daily life of its residents, perfectly suited for both work and leisure activities.

Average Daylight Hours in Santarem for March

The chart illustrates the variation in daylight duration in Santarem throughout the year, with March highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec12h 13m12h 10m12h 6m12h 2m11h 59m11h 58m11h 58m12h 1m12h 4m12h 9m12h 12m12h 14m
Data source: Santarem daylight hours, calculated by summing the hours between sunrise and sunset for each day.

March Winds in Santarem

In March, Santarem, Brazil experiences an average wind speed of 2.4 m/s (5 mph), mirroring the gentle breeze typical of January and April. This consistent wind pattern suggests a stable climate as the region transitions from the humid summer months into the slightly cooler autumn. Interestingly, while the wind speeds in March remain steady, a gradual increase is observed in the following months of August and September, where the winds pick up slightly, reaching 2.6 m/s (6 mph) and 2.8 m/s (6 mph) respectively. This trend indicates an evolving dynamic in the atmosphere that shapes Santarem's weather, making the early part of the year perfect for enjoying the calm yet refreshing breezes. Overall, March stands out as a tranquil time, inviting both locals and visitors to savor the gentle winds that characterize the region.

Average March Wind Speed in Santarem

The chart displays monthly wind speed patterns in Santarem, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.42.72.4 m/s2.32.32.42.32.62.82.62.42.4
Data source: Santarem March wind data, generated using information from the Copernicus Climate Change Service.

How March Weather in Santarem Compares to Other Months

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

In comparing the weather of March and January, we can observe that both months exhibit similar average temperatures, with March experiencing minimal variations. March has daytime highs reaching up to 32°C (90°F), slightly warmer than January's maximum of 31°C (88°F). However, March is marked by higher precipitation levels, totaling 399 mm (15.7 in) over 28 days, compared to January's 351 mm (13.8 in) across 24 days. This indicates that March tends to be wetter, despite both months sharing the same minimum and average temperatures. Additionally, January has higher humidity levels at 79%, while March’s humidity is recorded at 68%. For more details on January weather, you can check Santarem weather in January.

In comparing the weather between March and February, we can see that both months feature similar temperature ranges, with March experiencing a minimum of 23°C (74°F) and an average of 26°C (80°F), slightly higher than February's max of 31°C (88°F). However, March sees a slight increase in precipitation with 399 mm (15.7 in) over 28 days, compared to February's 425 mm (16.7 in) over 26 days. The humidity also rises in March to 68%, while February maintains a lower level at 65%. For more detailed insights on February weather, visit Santarem weather in February.

March and April in Santarém show some notable differences in weather patterns. While both months have an average temperature of 26°C (80°F), March sees slightly lower minimum and maximum temperatures, ranging from 23°C (74°F) to 32°C (90°F), compared to April's 24°C (75°F) to 31°C (89°F). April experiences a higher level of humidity, at 86%, compared to March's 68%, which may make it feel warmer despite similar average temperatures. Additionally, precipitation increases slightly in April, with 429 mm (16.9 in) recorded over 29 days, compared to March's 399 mm (15.7 in) over 28 days. For more specific details about April's weather, you can visit Santarem weather in April.

When comparing the weather in March and May, March tends to be characterized by slightly higher temperatures, with an average of 26°C (80°F) and a maximum of 32°C (90°F), compared to May's averages of 27°C (80°F) and a maximum of 31°C (88°F). However, March experiences more rainfall, accumulating 399 mm (15.7 in) over 28 days, while May sees a bit less precipitation at 359 mm (14.1 in) across 30 days. Additionally, humidity levels are notably higher in May at 90%, compared to March's 68%. For more detailed information on May weather, you can visit Santarem weather in May.

In March, the weather features temperatures ranging from a minimum of 23°C (74°F) to a maximum of 32°C (90°F), with an average temperature of 26°C (80°F). During this month, precipitation levels are significantly higher, totaling 399 mm (15.7 in) over 28 days, leading to a humidity level of 68%. In contrast, June sees a similar temperature range, with the same minimum and maximum temperatures but a slightly higher average of 27°C (81°F). However, rainfall decreases to 169 mm (6.7 in) across 25 days, resulting in a higher humidity of 82%. This shift reflects a transition from the wetter conditions of March to the somewhat drier yet more humid atmosphere of June. For more details on the weather in June, you can visit Santarem weather in June.

In March, the weather features warm temperatures, with a minimum of 23°C (74°F) and an average of 26°C (80°F), peaking at 32°C (90°F). However, it also experiences significant rainfall, totaling 399 mm (15.7 in) spread over 28 days, resulting in a humidity level of 68%. In contrast, July sees slightly higher average temperatures, with a minimum of 23°C (74°F), an average of 27°C (81°F), and a maximum of 33°C (91°F), but notably less precipitation at 137 mm (5.4 in) over 17 days, leading to a lower humidity of 61%. For more detailed information, you can check out the Santarem weather in July.

March and August present distinct contrasts in weather patterns. In March, temperatures range from a minimum of 23°C (74°F) to a maximum of 32°C (90°F), averaging around 26°C (80°F). This month also sees significant rainfall, totaling 399 mm (15.7 in), spread over 28 days, and a higher humidity level at 68%. In contrast, August experiences slightly warmer temperatures, with a minimum of 24°C (75°F) and a maximum reaching 34°C (94°F), averaging 28°C (83°F). Rainfall drops considerably to just 79 mm (3.1 in) over 9 days, resulting in lower humidity levels at 46%. For more detailed information, you can check Santarem weather in August.

In March, the weather is characterized by warmer temperatures, with minimums around 23°C (74°F) and maximums reaching up to 32°C (90°F). It's a month marked by significant rainfall, averaging 399 mm (15.7 inches) over 28 days, leading to a high humidity level of 68%. In contrast, September sees slightly higher minimum temperatures at 24°C (75°F) and averages around 29°C (84°F), peaking at 34°C (93°F). The precipitation drops dramatically to 69 mm (2.7 inches) over just 10 days, resulting in a much drier environment and a significant decrease in humidity to 40%. This shift creates stark differences in the overall weather experience between the two months. For more details, you can check this link: Santarem weather in September.

March and October showcase contrasting weather patterns. In March, temperatures range from a minimum of 23°C (74°F) to a maximum of 32°C (90°F), with an average of 26°C (80°F). This month experiences considerable rainfall, accumulating 399 mm (15.7 in) over 28 days, coupled with a high humidity level of 68%. In contrast, October sees increased temperatures, with a minimum of 24°C (75°F) and a maximum of 35°C (95°F), averaging 29°C (84°F). The precipitation dramatically decreases to 87 mm (3.4 in) over just 12 days, and humidity drops to a more comfortable 38%. For a detailed overview of October’s climate, visit Santarem weather in October.

March and November exhibit noticeable differences in weather patterns. In March, temperatures range from a minimum of 23°C (74°F) to a maximum of 32°C (90°F), accompanied by high humidity at 68%. This month experiences significant rainfall, totaling 399 mm (15.7 in) over 28 days, making it one of the wetter periods of the year. In contrast, November offers slightly warmer temperatures, with a minimum of 24°C (76°F) and a maximum reaching 34°C (93°F). Precipitation is considerably less in November, with only 190 mm (7.5 in) over 20 days, and humidity drops to 39%, resulting in a drier and more comfortable climate. For more details, visit Santarem weather in November.

In March, the weather features a minimum temperature of 23°C (74°F) and an average of 26°C (80°F), peaking at a maximum of 32°C (90°F). The month is notably wet, with substantial precipitation of 399 mm (15.7 in) spread over 28 days and a humidity level of 68%. In contrast, December sees slightly warmer conditions with the minimum temperature staying the same at 23°C (74°F), but the average rises to 27°C (81°F) and the maximum reaches 34°C (93°F). Although December experiences less rainfall at 359 mm (14.1 in) over 27 days, the humidity remains relatively high at 69%. For a detailed look at weather patterns, you can refer to Santarem weather in December.

Compare Santarem's Climate with Cities Worldwide

Conclusion: What to Expect From March Weather in Santarem

March in Santarem ushers in a transition into the warmer months, featuring pleasantly elevated temperatures accompanied by a noticeable surge in humidity. As the month progresses, the city experiences frequent rainfall, resulting in lush landscapes and a refreshing atmosphere. Unlike the drier winter months, March's abundant precipitation ensures that the area remains vibrant and lively, making it a unique time to explore the natural beauty of Santarem. For more detailed information on the weather patterns throughout the year, visit Santarem Climate.