May Weather in Santos Dumont, Brazil

Last updated: August 21, 2025

In May, Santos Dumont, Brazil experiences a delightful blend of mild temperatures and moderate humidity, creating an inviting atmosphere for residents and visitors alike. The maximum temperature typically reaches around 29°C (84°F), while the average settles at a comfortable 18°C (66°F), dipping as low as 7°C (45°F) at night. With an 82% humidity level, the air remains quite moist, enhancing the lush landscape that surrounds the area. May also brings approximately 50 mm (2.0 in) of rainfall over about 7 days, making it a perfect month for enjoying the rich greenery and vibrant scenery of this charming Brazilian locale.

May Temperature in Santos Dumont

In May, Santos Dumont experiences a notable shift in temperatures as the air cools slightly with the arrival of autumn. Minimum temperatures dip to a refreshing 7°C (45°F), while the average settles around a comfortable 18°C (66°F), making it perfect for outdoor activities. As the mercury climbs to a maximum of 29°C (84°F), warmer afternoons invite sun-soaked adventures. Compared to the preceding months, the transition to May marks a significant drop in temperatures, particularly in the mornings, suggesting a cozy atmosphere that contrasts with the earlier summer heat. This mild climate fosters a vibrant landscape, ideal for enjoying Brazil’s natural beauty.

May Weather in Santos Dumont: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Santos Dumont, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Santos Dumont, May 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).
JanFebMarAprMayJunJulAugSepOctNovDec747273696564626368696972
Data source: Temperature data for Santos Dumont 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.

May Precipitation in Santos Dumont

In Santos Dumont, Brazil, the precipitation in May presents a noticeable shift from the preceding months, with a total of 50 mm (2.0 in) falling over just 7 days. This reduction in rainfall marks a significant decline from the dramatic highs of February's 274 mm (10.8 in) and November's peak of 241 mm (9.5 in). Notably, May's precipitation aligns with the trend of decreasing rains experienced in April and the beginning of a drier season, as observed with even lower rainfall expected in the subsequent months of June and July. This transition into a more stable, less humid climate paves the way for the drier winter months ahead, encouraging outdoor activities against a backdrop of clearer skies.

May Precipitation Trends in Santos Dumont

The chart displays monthly precipitation patterns in Santos Dumont, with values for each month alongside May’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how May’s conditions compare to those of other months. In Santos Dumont, May typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec164274216775023154252166241304
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Santos Dumont

In Santos Dumont, Brazil, May marks a slight decline in humidity, averaging 82%, which is a moderate decrease from the peak levels seen in the earlier months—January through April. This trend indicates a gradual transition from the more humid summer months to the drier winter season, with humidity levels continuing to stabilize through June. As the year progresses, humidity levels take a notable dip, reaching their lowest in October at 48%, hinting at the changing climate and seasonal shifts that define this picturesque region. The overall pattern showcases a clear ebb and flow, where the lush, tropical air of the earlier months gives way to a cooler, crisper atmosphere as the year unfolds.

May Average Humidity in Santos Dumont

This chart illustrates the average monthly humidity levels in Santos Dumont, with May’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In May, average humidity in Santos Dumont is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec83%85%88%86%82%82%77%72%63%48%61%68%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Santos Dumont

In May, Santos Dumont experiences a significant shift in its UV Index, dropping to 8 from the extreme levels seen in the preceding months, which had indices soaring as high as 17 in January. This marks a transition to the very high exposure category, allowing for a slightly longer burn time of 15 minutes. The trend reveals that as autumn approaches, the UV intensity begins to wane although caution is still advised for sun exposure. Interestingly, this dip continues into July, where the UV Index mirrors May's level of 8 before rising again in August. It's important for residents and visitors alike to stay informed and protect their skin; for more insights, check the detailed Santos Dumont UV Index.

Maximum UV Index Levels in Santos Dumont for May

The chart shows the monthly maximum UV Index (UVI) for Santos Dumont in May, 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 May, the maximum UV index in Santos Dumont typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec171614128781012141416
Data source: Santos Dumont May 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.

May Sunshine in Santos Dumont

May ushers in a delightful continuation of sunny days in Santos Dumont, Brazil, with an impressive 271 hours of sunshine. This charming month follows a vibrant March, which peaks at 304 hours, establishing a joyful atmosphere as the city transitions from the high-energy summer months into the chill of winter. Although May’s sunshine slightly dips from April’s 276 hours, it remains robust compared to the later months. The gradual decrease in daylight hours is noticeable as the year progresses, highlighted by November's lower 237 hours, yet the warmth of May continues to embrace the region, ensuring that residents and visitors alike bask in the lingering glow of autumn. Overall, while the sunny hours fluctuate throughout the year, May stands out as a crucial bridge linking the intense summer sun to the milder winter days ahead.

Monthly Sunshine Duration in Santos Dumont: May Highlighted

The May sunshine duration represents the total number of hours Santos Dumont experiences direct sunlight during the month of May, excluding cloudy or obstructed periods. This chart compares the sunshine duration of May with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec257h255h304h276h271h262h287h259h287h250h237h264h
Data source: Santos Dumont May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Santos Dumont During May

In Santos Dumont, Brazil, May presents a promising 41% chance of sunny weather, which continues a trend of increasing sunshine as the seasons transition. Following a notable 47% in April, the likelihood remains fairly robust, making it a delightful time for outdoor activities. This is especially appealing as the region approaches the drier months, with June boasting an even higher 49% probability of sun. As summer nears, the sun's presence becomes more pronounced, creating an inviting atmosphere for both locals and visitors. With sunshine on the horizon, May is an ideal month to bask in the warmth before the depths of winter set in.

Percentage of Sunny Days in May in Santos Dumont

The chart illustrates the percentage of sunny days in Santos Dumont throughout the year, with May 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 Santos Dumont experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec31%21%38%47%41%49%74%53%44%9%19%20%
Data source: Santos Dumont May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Santos Dumont in May

In Santos Dumont, Brazil, the pattern of daylight duration reveals a fascinating ebb and flow throughout the year. Starting with 13 hours in January, the days gradually shorten to 11 hours by April, a trend that continues into May. Interestingly, May holds steady with 11 hours of daylight, marking a transitional phase as the year moves towards winter. From June to July, daylight dips to its lowest at 10 hours, before beginning to lengthen again in August. As the seasons shift toward spring, daylight gradually returns, peaking again at 13 hours in November and December. This cyclical variation not only enhances the region's natural beauty but also influences the vibrant lifestyle and cultural practices of its inhabitants.

Average Daylight Hours in Santos Dumont for May

The chart illustrates the variation in daylight duration in Santos Dumont throughout the year, with May highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec13h 15m12h 46m12h 10m11h 33m11h 4m10h 49m10h 57m11h 23m11h 58m12h 35m13h 7m13h 24m
Data source: Santos Dumont daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in Santos Dumont

In Santos Dumont, Brazil, the month of May transitions smoothly into the cooler half of the year with an average wind speed of 1.9 m/s (4 mph). This gentle breeze is slightly lower than the preceding months, yet it maintains the overall mildness of April. As the year progresses, the winds begin to pick up; August sees notably stronger gusts at 2.4 m/s (5 mph), leading into a dynamic and breezy September with an average of 2.5 m/s (6 mph). The trend hints at a gradual increase in wind strength as winter approaches, providing a refreshing contrast to the warmth of the earlier months. Thus, while May remains relatively calm, it sets the stage for the forthcoming brisk winds that characterize the latter part of the year.

Average May Wind Speed in Santos Dumont

The chart displays monthly wind speed patterns in Santos Dumont, with values for each month shown alongside May's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how May's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec2.31.81.82.01.9 m/s1.91.92.42.52.72.52.3
Data source: Santos Dumont May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in Santos Dumont Compares to Other Months

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

May and January present contrasting weather patterns. In May, temperatures range from a minimum of 7°C (45°F) to a maximum of 29°C (84°F), with an average of 18°C (66°F) and relatively low precipitation of 50 mm (2.0 in) over 7 days. The humidity is high at 82%, creating a warm and somewhat damp atmosphere. In contrast, January experiences milder minimum temperatures at 17°C (63°F) and reaches a higher maximum of 33°C (91°F), with an average temperature of 23°C (74°F). However, it also sees significantly more rainfall, totaling 164 mm (6.5 in) over 15 days, while maintaining a similar humidity level at 83%. For more detailed information, you can check Santos Dumont weather in January.

When comparing the weather in May and February, notable differences emerge. May experiences cooler temperatures, with averages ranging from a minimum of 7°C (45°F) to a maximum of 29°C (84°F), while February boasts milder conditions, with minimums of 16°C (60°F) and maximums reaching 34°C (93°F). February is also significantly wetter, receiving 274 mm (10.8 in) of precipitation over 19 days compared to May's 50 mm (2.0 in) over just 7 days. Both months have relatively high humidity levels, with February slightly higher at 85% compared to May's 82%. For a detailed look at February weather in this region, you can refer to Santos Dumont weather in February.

When comparing the weather in March and May, we see notable differences in both temperature and precipitation. March is generally warmer, with average temperatures ranging from a comfortable 14°C (57°F) at night to a hot 32°C (90°F) during the day, while May sees milder conditions, with lows of 7°C (45°F) and highs up to 29°C (84°F). However, March experiences significantly higher precipitation, receiving 216 mm (8.5 in) over 17 days, compared to May's 50 mm (2.0 in) over just 7 days. Additionally, humidity levels are slightly higher in March at 87%, compared to May's 82%. For more detailed insights on March weather, you can visit Santos Dumont weather in March.

In comparing the weather of May and April, we can see some notable differences. April generally has warmer temperatures, with an average of 21°C (69°F), reaching a maximum of 31°C (88°F), while May's average temperature is a bit cooler at 18°C (66°F), peaking at 29°C (84°F). Precipitation is also more pronounced in April, with 77 mm (3.0 in) occurring over 12 days compared to May's 50 mm (2.0 in) over 7 days. Humidity levels remain relatively high in both months, with April slightly higher at 86% compared to May's 82%. For a more detailed look at April's weather, you can refer to Santos Dumont weather in April.

May and June in Santos Dumont exhibit fairly similar weather conditions, but with notable differences. In May, temperatures range from a minimum of 7°C (45°F) to a maximum of 29°C (84°F), with an average temperature of 18°C (66°F). The month experiences more precipitation at 50 mm (2.0 in) over 7 days, maintaining a high humidity level of 82%. In contrast, June features slightly warmer minimum temperatures, starting at 9°C (49°F), while maintaining the same maximum temperature of 29°C (85°F) and an average of 18°C (65°F). However, precipitation decreases significantly to only 22 mm (0.9 in) over just 5 days, and humidity remains consistent at 82%. For more detailed information, you can check Santos Dumont weather in June.

In comparing the weather of May and July, May tends to be warmer with average temperatures reaching up to 18°C (66°F) and a maximum of 29°C (84°F), while July's average dips slightly to 17°C (62°F) with a maximum of 28°C (82°F). Both months have similar minimum temperatures, but May experiences significantly higher precipitation with 50 mm (2.0 in) over 7 days, compared to just 15 mm (0.6 in) over 3 days in July. Additionally, May has a higher humidity level at 82%, while July is slightly less humid at 77%. For more specifics about July weather in this region, you can refer to Santos Dumont weather in July.

When comparing the weather in May to that of August, we see a few notable differences. In May, temperatures range from a minimum of 7°C (45°F) to a maximum of 29°C (84°F), with an average of 18°C (66°F). This month experiences higher humidity at 82% and slightly more precipitation, averaging 50 mm (2.0 in) over 7 days. Conversely, August has a slightly lower range, with temperatures peaking at 30°C (86°F) and averaging 17°C (63°F), but it boasts less precipitation at 42 mm (1.7 in) over just 6 days, along with a reduction in humidity to 72%. For a closer look at specific regional conditions, you can check out Santos Dumont weather in August.

May and September present distinctly different weather patterns. In May, temperatures range from a minimum of 7°C (45°F) at night to a maximum of 29°C (84°F) during the day, with an average of 18°C (66°F). The month receives about 50 mm (2.0 in) of precipitation over approximately 7 days, and humidity is fairly high at 82%. In contrast, September tends to be warmer, with minimum temperatures at 10°C (51°F) and maximums reaching up to 33°C (92°F), averaging around 20°C (69°F). Precipitation slightly increases to 52 mm (2.1 in) over about 9 days, while humidity drops to a more comfortable 63%. For more detailed insights on the weather, check out Santos Dumont weather in September.

May and October present distinct weather contrasts. In May, temperatures range from a cooler minimum of 7°C (45°F) to a pleasant average of 18°C (66°F), with highs reaching up to 29°C (84°F). The month experiences moderate humidity at 82% and about 50 mm (2.0 in) of precipitation over roughly 7 days. In contrast, October sees a warmer spectrum, with minimum temperatures starting at 12°C (54°F) and average highs climbing to 34°C (94°F), peaking at 21°C (70°F) on average. However, it also experiences significantly higher rainfall, totaling 166 mm (6.5 in) across 19 days, alongside much lower humidity at 48%. For more details, you can check Santos Dumont weather in October.

In comparing the weather between May and November, we notice distinct differences in temperatures and rainfall patterns. May typically experiences a minimum temperature of 7°C (45°F) and an average of 18°C (66°F), with maximum temperatures reaching 29°C (84°F). The humidity is relatively high at 82%, and the region sees about 50 mm (2.0 in) of precipitation over approximately 7 days. In contrast, November boasts slightly warmer temperatures, with a minimum of 11°C (53°F) and an average of 21°C (69°F), peaking at 32°C (90°F). However, it is much wetter, accumulating 241 mm (9.5 in) of rain across around 20 days and experiencing lower humidity at 61%. For a more detailed look at the climate, check Santos Dumont weather in November.

May and December present contrasting weather conditions in terms of temperature and precipitation. In May, temperatures range from a minimum of 7°C (45°F) to a maximum of 29°C (84°F), with an average of 18°C (66°F). The month sees around 50 mm (2.0 in) of precipitation over approximately 7 days, accompanied by high humidity levels at 82%. In stark contrast, December boasts warmer temperatures, with a minimum of 13°C (57°F) and a maximum reaching 33°C (92°F), averaging 22°C (72°F). However, it is significantly wetter, experiencing 303 mm (11.9 in) of rainfall over 24 days, leading to a lower humidity of 68%. For more specific insights into December weather, you can visit Santos Dumont weather in December.

Compare Santos Dumont's Climate with Cities Worldwide

Conclusion: What to Expect From May Weather in Santos Dumont

As May unfolds in Santos Dumont, the weather takes on a unique character compared to other months. With moderate temperatures averaging 18°C (66°F) and maximums reaching up to 29°C (84°F), it strikes a comfortable balance between warmth and coolness. The increased humidity at 82% may introduce a refreshing feel, but it's accompanied by occasional rainfall, averaging 50 mm across roughly seven days. This blend of warm days and cooler nights makes May an inviting time to experience the beauty of Santos Dumont. For more detailed information on the weather patterns throughout the year, visit Santos Dumont Climate.