January Weather in Porto Belo, Brazil

Last updated: August 21, 2025

January in Porto Belo, Brazil is marked by warm and humid conditions, with temperatures reaching a maximum of 35°C (96°F) and an average of 25°C (78°F). The weather is characterized by a comfortable minimum temperature of 19°C (67°F), creating ideal conditions for beachgoers and outdoor enthusiasts. However, this period also experiences significant rainfall, with 172 mm (6.8 in) of precipitation over approximately 18 days, resulting in a humidity level of around 86%. Visitors can expect a tropical atmosphere, blending sun and occasional showers, perfect for those seeking both adventure and relaxation.

January Temperature in Porto Belo

In January, Porto Belo, Brazil, basks in warm tropical temperatures that set the tone for the summer season. With nighttime lows around 19°C (67°F) and scorching highs peaking at 35°C (96°F), the average temperature hovers at a comfortable 25°C (78°F), making it an ideal time for beach outings and outdoor adventures. As the month rolls into February, the weather remains consistent with an average of 25°C (77°F), but the nights get slightly cooler, dipping to 17°C (63°F). This trend continues into March, where temperatures begin to ease, particularly in the evenings at 19°C (66°F), while the daytime high still reaches 32°C (91°F). Transitioning into the cooler months of April through July, the temperatures gradually decline, with lows plummeting to 6°C (43°F) in July, marking a significant drop from the summer highs. By the end of the year, as temperatures fluctuate, the warm tropical feel of January invites visitors to experience Porto Belo's vibrant climate, making it an irresistible coastal destination.

January Weather in Porto Belo: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Porto Belo, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Porto Belo, January 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).
JanFebMarAprMayJunJulAugSepOctNovDec787776726865626367697175
Data source: Temperature data for Porto Belo 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.

January Precipitation in Porto Belo

January in Porto Belo, Brazil, marks the peak of the rainy season, with an impressive 172 mm (6.8 in) of precipitation over 18 days. This substantial rainfall not only sets the stage for lush landscapes but also indicates a higher frequency of rain compared to the subsequent months. As summer transitions into autumn, February and March see a decline, with 144 mm (5.7 in) and 134 mm (5.3 in) of rain respectively, while the number of rainy days fluctuates. By April, the precipitation drops significantly to 80 mm (3.1 in), yielding a drier season that continues through to July, where only 45 mm (1.8 in) falls over just 6 days. This pattern of reduced rainfall persists, highlighting a marked contrast to January’s abundance and illustrating the seasonal shifts in Porto Belo’s weather. As the year progresses, precipitation begins to rise again in the later months, with 127 mm (5.0 in) in October and a notable return in December, yet January remains the standout month for those enjoying the vibrant scenery shaped by its rains.

January Precipitation Trends in Porto Belo

The chart displays monthly precipitation patterns in Porto Belo, with values for each month alongside January’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how January’s conditions compare to those of other months. In Porto Belo, January typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec1721441348010311645638512798144
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Porto Belo

In January, Porto Belo experiences a notable humidity level of 86%, creating a lush and tropical atmosphere perfect for beachgoers. This humid trend persists into February with 83%, before stabilizing around 85% for both March and April. As the weather transitions into May, humidity remains consistent at 86%, holding onto that summer feel amidst the lush landscapes. A slight dip occurs in July at 80%, providing a brief respite, while August sees a further decrease to 79%. However, humidity levels begin to rise again in September, reaching 82%, and maintain a steady pattern through October at the same percentage. The end of the year brings a peak in humidity with November at 86% and December rising to 88%, closing the year with a tropical embrace once more. Overall, January stands out as a vibrant month, indicative of the generally humid climate that characterizes Porto Belo throughout the year.

January Average Humidity in Porto Belo

This chart illustrates the average monthly humidity levels in Porto Belo, with January’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In January, average humidity in Porto Belo is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%83%85%85%86%85%80%79%82%82%86%88%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Porto Belo

In January, Porto Belo, Brazil, experiences an extreme UV Index of 15, with a quick burn time of just 10 minutes. This high level of UV exposure is consistent throughout the summer months, as seen in February and March, where the index remains extreme at 14 and 12, respectively. A noticeable trend emerges as the year progresses; the UV Index gradually decreases, reaching very high levels of 10 by April, and subsequently dropping to high levels of 7 in May. From there, the index stabilizes at moderate levels of 5 in both June and July, before climbing again in late summer. Notably, August and September see a return to very high levels, with burn times hovering around 15 minutes. October marks another spike, reverting to an extreme category at 12, followed closely by November at 14, and closing the year with a peak of 15 again in December. Given these variations, it's essential for residents and visitors alike to stay informed about the evolving UV conditions throughout the year. For more details, check the Porto Belo UV Index.

Maximum UV Index Levels in Porto Belo for January

The chart shows the monthly maximum UV Index (UVI) for Porto Belo in January, 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 January, the maximum UV index in Porto Belo typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec15141210755810121415
Data source: Porto Belo January 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.

January Sunshine in Porto Belo

In January, Porto Belo, Brazil, basks in approximately 251 hours of glorious sunshine, setting the stage for a vibrant summer. As the month progresses into February, the sun seems to shine brighter, increasing to 301 hours, enticing locals and tourists alike to enjoy the beach life. March continues this sunny trend, peaking at 308 hours, before a gentle decline begins in April with 289 hours. The subsequent months oscillate between the mid to high 200s, with notable dips in June at 228 hours. However, as the year draws to a close, the sun makes a triumphant comeback, culminating in a dazzling 340 hours in December. This clear seasonal pattern highlights Porto Belo's allure as a sun-soaked paradise, perfect for sun seekers year-round.

Monthly Sunshine Duration in Porto Belo: January Highlighted

The January sunshine duration represents the total number of hours Porto Belo experiences direct sunlight during the month of January, excluding cloudy or obstructed periods. This chart compares the sunshine duration of January with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec251h301h308h289h253h228h264h259h248h260h314h340h
Data source: Porto Belo January Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Porto Belo During January

In Porto Belo, Brazil, the likelihood of enjoying sunny weather in January is relatively low, with only an 18% chance of clear skies. This trend starkly contrasts with the sunnier months that follow; February sees a significant jump to 49%, promising more opportunities for sunshine. As the year progresses into March and April, the chance of sunny weather remains moderate at 32% and 49%, respectively. Interestingly, the sun keeps making a more predictable appearance in the later months, with July reaching an encouraging 57%. Overall, while January may not deliver the sun-drenched days many hope for, the subsequent months herald a warming trend, making summer in Porto Belo a much brighter affair.

Percentage of Sunny Days in January in Porto Belo

The chart illustrates the percentage of sunny days in Porto Belo throughout the year, with January 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 Porto Belo experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec18%49%32%49%53%37%57%32%26%17%29%38%
Data source: Porto Belo January chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Porto Belo in January

In Porto Belo, Brazil, January stands out with an ample 13 hours of daylight, providing the perfect backdrop for summer activities and exploration. As the year progresses into February and March, daylight slightly dips to 12 hours, yet remains generous for those seeking sun-soaked adventures. By the time we reach April, the days continue to shorten, offering 11 hours of light, while May through July settle into a consistent rhythm of 10 hours. However, as winter gives way to spring, daylight begins its slow ascent, with August and September offering 11 hours once more. The cycle culminates in November and December, returning to 13 hours, mirroring the brightness of January and inviting a festive spirit as the year wraps up. This rhythm of daylight not only shapes the seasonal experiences in Porto Belo but also creates delightful opportunities for both locals and visitors to embrace the wonders of nature throughout the year.

Average Daylight Hours in Porto Belo for January

The chart illustrates the variation in daylight duration in Porto Belo throughout the year, with January highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec13h 36m12h 59m12h 12m11h 24m10h 45m10h 26m10h 36m11h 10m11h 56m12h 44m13h 27m13h 48m
Data source: Porto Belo daylight hours, calculated by summing the hours between sunrise and sunset for each day.

January Winds in Porto Belo

In January, Porto Belo experiences a gentle breeze with an average wind speed of 3.6 m/s (8 mph), setting the tone for a month characterized by pleasant outdoor activities. As the year progresses, the winds slightly taper off in February, dropping to 2.8 m/s (6 mph), before entering a brief uptick in April at 3.5 m/s (8 mph). The trend showcases a generally mild wind pattern throughout the first half of the year, with a peak in October at 3.9 m/s (9 mph), infusing a refreshing energy as summer approaches. This fluctuation in wind speeds suggests that while January offers a moderate comfort, the shifting breezes create a dynamic ambiance that enhances the coastal allure of Porto Belo. Overall, the gentle winds contribute to a soothing environment, making it an ideal setting for beachgoers and nature enthusiasts alike.

Average January Wind Speed in Porto Belo

The chart displays monthly wind speed patterns in Porto Belo, with values for each month shown alongside January's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how January's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec3.6 m/s2.82.93.53.13.42.73.13.33.93.73.7
Data source: Porto Belo January wind data, generated using information from the Copernicus Climate Change Service.

How January Weather in Porto Belo Compares to Other Months

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

In comparing the weather of January and February, we observe that both months share a similar average temperature of around 25°C (78°F), with January slightly warmer at a minimum of 19°C (67°F) compared to February's 17°C (63°F). January experiences more rainfall, with 172 mm (6.8 in) over 18 days, while February sees a decrease in precipitation to 144 mm (5.7 in) across 16 days. Additionally, humidity is slightly higher in January at 86%, compared to 83% in February. For more detailed insights, you can check Porto Belo weather in February.

In January, the weather tends to be warmer with temperatures ranging from a minimum of 19°C (67°F) to a maximum of 35°C (96°F) and an average of 25°C (78°F). This month also experiences significant rainfall, accumulating 172 mm (6.8 in) over 18 days, alongside high humidity at 86%. In contrast, March sees slightly cooler conditions, with an average temperature of 24°C (76°F), a maximum of 32°C (91°F), and a similar minimum of 19°C (66°F). Rainfall decreases to 134 mm (5.3 in), but precipitation occurs over even more days, totaling 21. Humidity remains close, at 85%. For more specific details about March weather, you can check Porto Belo weather in March.

When comparing January and April weather, January tends to be warmer and wetter. The average temperature in January reaches around 25°C (78°F), with highs peaking at 35°C (96°F), while April’s average drops to 22°C (72°F), with a maximum of 30°C (87°F). In terms of precipitation, January experiences significantly more, with 172 mm (6.8 in) over 18 days compared to April's 80 mm (3.1 in) over just 14 days. Additionally, humidity remains relatively consistent, with January at 86% and April slightly lower at 85%. For more details on April weather, you can check this link: Porto Belo weather in April.

In January, the weather in Porto Belo is characterized by warmer temperatures, with a minimum of 19°C (67°F), an average of 25°C (78°F), and a maximum reaching 35°C (96°F). This month also sees considerable rainfall, with 172 mm (6.8 in) spread over 18 days, and humidity remains high at 86%. In contrast, May experiences much cooler temperatures, with a minimum of only 10°C (50°F), an average of 20°C (68°F), and a maximum of 30°C (86°F). Precipitation decreases to 103 mm (4.1 in) across 13 days, maintaining the same humidity level of 86%. For a more detailed look at the weather during May, check out Porto Belo weather in May.

In January, Porto Belo experiences a warm climate with temperatures ranging from a minimum of 19°C (67°F) to a maximum of 35°C (96°F), providing an average temperature of 25°C (78°F). This month is also characterized by high humidity at 86% and significant precipitation, averaging 172 mm (6.8 in) over 18 days. In contrast, June has a cooler climate with temperatures ranging from a minimum of 8°C (46°F) to a maximum of 28°C (83°F), and an average temperature of 18°C (65°F). Additionally, June sees less precipitation, totaling 116 mm (4.6 in) over 11 days, while the humidity remains slightly lower at 85%. For a detailed look at the weather specifics in June, check Porto Belo weather in June.

When comparing the weather in January and July, it's clear that January is notably warmer and more humid. The average temperature in January reaches 25°C (78°F), with maximums soaring up to 35°C (96°F), while July's average temperature is much cooler at 17°C (62°F), peaking at 27°C (81°F). Additionally, January experiences significantly higher precipitation, averaging 172 mm (6.8 in) over 18 days compared to July's 45 mm (1.8 in) over just 6 days. Humidity levels are also higher in January at 86%, compared to July's 80%. For a closer look at July weather specifics, you can visit Porto Belo weather in July.

January and August present stark contrasts in weather conditions. In January, temperatures range from a minimum of 19°C (67°F) to a sweltering maximum of 35°C (96°F), with an average of 25°C (78°F). This month also sees a significant amount of rainfall, totaling 172 mm (6.8 in) over 18 days, coupled with high humidity at 86%. In contrast, August experiences much cooler temperatures, with a minimum of 8°C (46°F) and a maximum of 27°C (80°F), averaging around 17°C (63°F). Rainfall is considerably lower at 63 mm (2.5 in) over just 9 days, and humidity drops to 79%. For more detailed insights, you can check Porto Belo weather in August.

In January, the weather is notably warmer, with temperatures ranging from a minimum of 19°C (67°F) to a maximum of 35°C (96°F), accompanied by high humidity at 86%. This month also sees significant rainfall, averaging 172 mm (6.8 in) over 18 days. In contrast, September experiences much cooler temperatures, where the minimum drops to 12°C (53°F) and the maximum reaches 27°C (81°F). Additionally, precipitation decreases to 85 mm (3.3 in) over 12 days, and humidity is slightly lower at 82%. For more detailed insights into September's weather, check out Porto Belo weather in September.

January and October in Porto Belo exhibit notable differences in weather patterns. January is characterized by warmer temperatures, with minimums averaging around 19°C (67°F) and maximums reaching up to 35°C (96°F). In contrast, October experiences cooler conditions, with minimum temperatures dropping to 13°C (57°F) and highs peaking at 31°C (89°F). Precipitation levels are also higher in January, totaling 172 mm (6.8 in) over 18 days, compared to October's 127 mm (5.0 in) across 16 days. Additionally, January tends to be more humid, averaging 86%, while October sees a slightly lower humidity level of 82%. For more detailed information, you can check Porto Belo weather in October.

When comparing the weather in January and November, January tends to be warmer with a minimum temperature of 19°C (67°F) and an average of 25°C (78°F), peaking at a maximum of 35°C (96°F). In contrast, November has cooler temperatures, with a minimum of 14°C (57°F) and an average of 22°C (72°F), reaching a maximum of 31°C (88°F). Regarding precipitation, January is significantly wetter, receiving 172 mm (6.8 in) over 18 days, while November has less rainfall at 98 mm (3.9 in) over 15 days. Interestingly, both months share the same humidity level of 86%. For a detailed look at the November weather conditions, you can check out Porto Belo weather in November.

In comparing the weather of January and December, January tends to be slightly warmer, with average temperatures reaching 25°C (78°F) compared to December's 24°C (75°F). The maximum temperatures in January can climb up to 35°C (96°F), while December peaks at 33°C (92°F). Both months experience considerable rainfall, with January receiving 172 mm (6.8 in) over 18 days, slightly more than December's 144 mm (5.7 in) over 17 days. Humidity levels remain high in both months, at 86% in January and 88% in December, contributing to a sultry atmosphere. For more details, you can refer to Porto Belo weather in December.

Compare Porto Belo's Climate with Cities Worldwide

Conclusion: What to Expect From January Weather in Porto Belo

In January, Porto Belo experiences a vibrant summer atmosphere, characterized by warm temperatures and high humidity, making it one of the hottest months of the year. While the average temperature typically rises, reaching maximums that can soar to 35°C, the 86% humidity can amplify the heat, creating a tropical feel. Precipitation is also frequent, with nearly 18 rainy days contributing to 172 mm of rainfall throughout the month. This contrasts sharply with dryer months, where rainfall is less and temperatures are more moderate. If you're looking to explore Porto Belo's unique climate dynamics, check out the detailed information on Porto Belo Climate.