January Weather in Bertioga, Brazil

Last updated: August 21, 2025

In Bertioga, Brazil, January brings a vibrant and tropical climate, characterized by maximum temperatures soaring up to 35°C (95°F) and a comfortable average of 24°C (75°F). As humidity levels hover at a notable 88%, visitors can expect a warm, lush atmosphere, perfect for outdoor activities. However, be prepared for a wet month as Bertioga experiences 333 mm (13.1 in) of precipitation over approximately 22 days. This combination of warmth and rain fuels the stunning, natural beauty of the region, making it an inviting destination for those seeking both adventure and relaxation in a verdant paradise.

January Temperature in Bertioga

In January, Bertioga, Brazil, welcomes warmth with temperatures ranging from a refreshing 15°C (60°F) at night to a sizzling high of 35°C (95°F) during the day, averaging a pleasant 24°C (75°F). This month typically marks the peak of summer, with a comfortable balance of heat that begins to wane in the following months, where temperatures gradually drop. By February, nighttime lows rise slightly to 16°C (61°F), but the average dips to 23°C (74°F), signaling the end of the hottest period. As we move into March, temperatures stabilize, maintaining the 23°C (74°F) average, while the warmest days gradually lessen into the cooler months ahead. This trend continues into April, with a further decline in both minimum and average temperatures, making way for the crisp chill of winter, which drastically alters the climate in the following months. The fluctuation from the searing heat of January to the coolness of upcoming months tells a captivating story of Bertioga’s diverse climate throughout the year.

January Weather in Bertioga: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Bertioga, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Bertioga, 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).
JanFebMarAprMayJunJulAugSepOctNovDec757474706665636368696972
Data source: Temperature data for Bertioga 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.

January Precipitation in Bertioga

In January, Bertioga, Brazil, experiences a significant amount of rainfall, with 333 mm (13.1 in) typically falling over 22 days. This high precipitation marks the start of the wet season, characterized by frequent, light showers that sustain the lush landscapes. Following January, precipitation peaks in February at 364 mm (14.3 in) and remains substantial until March, which sees 319 mm (12.6 in). As the months progress, a clear trend of decreasing rainfall emerges, with April's total dropping dramatically to 146 mm (5.7 in), indicating a shift towards drier conditions. This pattern continues, culminating in the relatively dry months of June and July, where rainfall is at its lowest, averaging around 60 mm (2.4 in) over just 7 days. Subsequently, while October to December experience a gradual increase in precipitation, it rarely reaches January's earlier intensity, suggesting a seasonally dynamic climate that shapes Bertioga's vibrant ecosystem.

January Precipitation Trends in Bertioga

The chart displays monthly precipitation patterns in Bertioga, 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 Bertioga, January typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec333364319146103956111588198194261
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

January Humidity in Bertioga

In Bertioga, Brazil, January showcases a comfortable humidity level of 88%, mirroring February's conditions, which set a consistent tone for the start of the year. As we transition into March, humidity experiences a slight dip to 87%, hinting at a gradual easing as the months progress. April brings a more noticeable drop to 84%, followed by a continued decline through the spring and early summer months, hitting a low of 72% in July. This pattern reflects the region's shift from the humid peak of the early year to crisper conditions mid-year, with humidity levels stabilizing around 65% in August before gradually increasing again in the latter months. Notably, November and December see a rise back to 75% and 80%, respectively, as Bertioga prepares to embrace the warmth of the new year once more, showcasing the region's dynamic balancing act between humidity and seasonal changes.

January Average Humidity in Bertioga

This chart illustrates the average monthly humidity levels in Bertioga, 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 Bertioga is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%88%88%84%79%77%72%65%58%50%75%80%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Bertioga

In January, Bertioga, Brazil, experiences an extreme UV Index of 16, indicating an urgent need for sun protection with a rapid burn time of just 10 minutes. This intensity carries through the following months, as February also hits a UV index of 15, followed closely by March at 12 and April at 11. Notably, despite the slight decrease, the exposure remains in the extreme category, underscoring the consistent threat posed by the sun during the early part of the year. As the seasons shift, May sees a drop to 8, categorized as very high, allowing for a bit more skin exposure time at 15 minutes. However, even in June and July, when the index stabilizes to 6 and 7 respectively, caution is still advised with a burn time extending to 25 minutes only for high UV exposure. The UV intensity spikes again in late summer and early fall, with values ranging from 11 to 15 from September to December, bringing us back to that crucial 10-minute burn risk. Protective measures remain paramount throughout the year in Bertioga—stay informed with up-to-date information about the sun's strength by visiting Bertioga UV Index.

Maximum UV Index Levels in Bertioga for January

The chart shows the monthly maximum UV Index (UVI) for Bertioga 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 Bertioga typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec16151211867911131415
Data source: Bertioga 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 Bertioga

In Bertioga, Brazil, January greets residents and visitors with an impressive 251 hours of sunshine, laying the groundwork for a delightful summer vibe. As the months roll on, the sun shines even brighter, peaking in March with a dazzling 305 hours. Following this peak, sunshine hours gradually dip to 281 hours in May, then fluctuate through the mid-year, never falling below 258 hours in June. Notably, December wraps up the year on a high note, boasting the highest total of 318 hours, illustrating a stunning transition from summer to the festive season. This trending pattern showcases Bertioga’s welcoming climate, making it an ideal destination for sun-seekers year-round.

Monthly Sunshine Duration in Bertioga: January Highlighted

The January sunshine duration represents the total number of hours Bertioga 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.
JanFebMarAprMayJunJulAugSepOctNovDec251h267h305h293h281h258h289h264h290h273h295h318h
Data source: Bertioga January Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Bertioga During January

In January, Bertioga, Brazil, greets the new year with a modest 11% chance of sunny weather, making it one of the cloudier months. This low likelihood of sunshine sets it apart from the subsequent months, where February and March see a significant uptick, boasting a 33% chance each. As the year progresses, the likelihood of clear skies generally improves, peaking in July with a remarkable 49% chance. While sun-seekers may find January somewhat disappointing, the trend clearly indicates that brighter days are on the horizon, especially as the region transitions into the second half of the year.

Percentage of Sunny Days in January in Bertioga

The chart illustrates the percentage of sunny days in Bertioga 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 Bertioga experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec11%33%33%37%32%30%49%44%33%12%30%28%
Data source: Bertioga January chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Bertioga in January

In Bertioga, Brazil, January marks the peak of daylight, basking in 13 hours of sunlight that energizes both locals and visitors. As the year progresses into February and March, daylight gently diminishes to 12 hours, maintaining a warm and inviting atmosphere. This trend continues into April, where sunlight reduces to 11 hours, before reaching a stable 10 hours from May through July—offering a cozy environment as winter settles in. As the days begin to lengthen again, August and September witness a rise back to 11 hours, transitioning smoothly into October with 12 hours of daylight. Finally, November and December close out the year with a return to 13 hours, reminiscent of the bright beginnings of January, ensuring Bertioga remains a sun-soaked destination throughout the year.

Average Daylight Hours in Bertioga for January

The chart illustrates the variation in daylight duration in Bertioga throughout the year, with January highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec13h 24m12h 52m12h 11m11h 30m10h 56m10h 40m10h 48m11h 18m11h 57m12h 39m13h 15m13h 34m
Data source: Bertioga daylight hours, calculated by summing the hours between sunrise and sunset for each day.

January Winds in Bertioga

In Bertioga, Brazil, January brings a gentle breeze with an average wind speed of 1.6 m/s (4 mph), marking it as one of the calmer months of the year. As the season progresses into February and March, the wind remains steady, only slightly increasing to 1.7 m/s before reaching a peak of 2.4 m/s in October. This gradual uptick in wind speed highlights a noticeable trend toward breezier conditions as summer transitions into autumn. Interestingly, during the colder month of June, wind speeds dip slightly to 1.8 m/s, but quickly rebound, with September and October enjoying the most robust winds of the year at 2.2 m/s and 2.4 m/s, respectively. Overall, the data illustrates a delightful ebb and flow of winds, making Bertioga's coastal charm even more enchanting as the year unfolds!

Average January Wind Speed in Bertioga

The chart displays monthly wind speed patterns in Bertioga, 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.
JanFebMarAprMayJunJulAugSepOctNovDec1.6 m/s1.71.62.02.01.81.92.12.22.42.32.0
Data source: Bertioga January wind data, generated using information from the Copernicus Climate Change Service.

How January Weather in Bertioga Compares to Other Months

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

In comparing the weather between January and February, we see only slight variations. January experiences a minimum temperature of 15°C (60°F) and an average of 24°C (75°F), with maximum temperatures reaching 35°C (95°F). In contrast, February starts off slightly warmer with a minimum of 16°C (61°F), though its average temperature decreases to 23°C (74°F) and the maximum temperature is a tad lower at 34°C (93°F). Precipitation is notably high in both months, with January receiving 333 mm (13.1 in) over 22 days, while February totals 364 mm (14.3 in) across 24 days. Humidity remains consistent at 88% for both months, contributing to the sultry conditions typical of this region. For a more detailed look at February's weather, check out Bertioga weather in February.

In January, Bertioga experiences warmer weather with temperatures ranging from a minimum of 15°C (60°F) to a maximum of 35°C (95°F), and an average temperature of 24°C (75°F). The month is also quite rainy, with a significant 333 mm (13.1 in) of precipitation over 22 days, contributing to a high humidity level of 88%.

In contrast, March offers slightly cooler temperatures, with a minimum of 14°C (58°F), an average of 23°C (74°F), and a maximum of 33°C (92°F). Precipitation remains high but slightly less than in January, measuring 319 mm (12.6 in) over 25 days, and the humidity is marginally lower at 87%. For more details on the weather in March, you can visit Bertioga weather in March.

In January, the weather in Bertioga is marked by higher temperatures, with a minimum of 15°C (60°F) and an average of 24°C (75°F), reaching a maximum of 35°C (95°F). The month experiences significant rainfall with 333 mm (13.1 in) over 22 days, resulting in high humidity levels of 88%. In contrast, April sees slightly cooler conditions, with temperatures ranging from a minimum of 13°C (56°F) to a maximum of 33°C (92°F) and an average of 21°C (70°F). A noticeable drop in precipitation to 146 mm (5.7 in) occurs over 18 days, accompanied by a decrease in humidity to 84%. For more details on the weather in April, you can check Bertioga weather in April.

In January, the weather is considerably warmer with temperatures ranging from a minimum of 15°C (60°F) to a maximum of 35°C (95°F), and an average of 24°C (75°F). This month also sees high precipitation levels, with about 333 mm (13.1 in) of rain over 22 days, contributing to a humidity of 88%. In contrast, May brings cooler temperatures, with a minimum of 8°C (47°F) and a maximum of 30°C (86°F), averaging around 19°C (66°F). Rainfall decreases significantly to 103 mm (4.0 in) over just 12 days, leading to lower humidity at 79%. For a closer look at the May weather specifics, you can visit Bertioga weather in May.

In January, the weather is characterized by much warmer temperatures, with a minimum of 15°C (60°F) and an average of 24°C (75°F), peaking at a scorching 35°C (95°F). This month also sees heavy rainfall, with precipitation totaling 333 mm (13.1 in) over 22 days, contributing to a high humidity level of 88%. In contrast, June offers a cooler climate, where temperatures range from a minimum of 9°C (48°F) to an average of 19°C (66°F), and a maximum of 30°C (86°F). June experiences significantly less rainfall, with only 95 mm (3.8 in) over just 11 rainy days, resulting in lower humidity at 77%. For more details on June weather, you can refer to Bertioga weather in June.

January and July present strikingly different weather patterns. In January, temperatures range from a minimum of 15°C (60°F) to a sweltering maximum of 35°C (95°F), with an average of 24°C (75°F). This month is characterized by high humidity levels at 88% and significant precipitation, totaling 333 mm (13.1 in) over 22 days. In contrast, July offers much cooler conditions, featuring temperatures that range from a low of 4°C (39°F) to a high of 30°C (86°F), with an average of 17°C (63°F). The precipitation is significantly lower in July, amounting to just 60 mm (2.4 in) over 7 days, and the humidity drops to 72%. For more detailed information, you can check Bertioga weather in July.

The weather in January and August presents a stark contrast in temperature and humidity. January experiences much warmer conditions, with minimum temperatures around 15°C (60°F) and maximums reaching up to 35°C (95°F), accompanied by high humidity levels of 88%. In this month, precipitation is prevalent, with rain on 22 days, totaling 333 mm (13.1 in).

In contrast, August features significantly cooler temperatures, with a minimum of 7°C (44°F) and a maximum of 31°C (89°F). The average temperature in August is around 17°C (64°F), and the humidity is notably lower at 65%. Additionally, August sees less rainfall, with precipitation amounting to 114 mm (4.5 in) over 12 days. For more detailed insights into Bertioga's August climate, you can visit Bertioga weather in August.

In January, Bertioga experiences warm temperatures, with minimums around 15°C (60°F) and maximums reaching up to 35°C (95°F). The average temperature during this month is a balmy 24°C (75°F). However, it also comes with significant precipitation, totaling 333 mm (13.1 in) over 22 days, and high humidity levels at 88%.

In contrast, September brings cooler conditions, with minimum temperatures of 11°C (52°F) and an average temperature of 20°C (68°F). The maximum temperature can go up to 36°C (97°F), but there is significantly less rainfall—only 88 mm (3.5 in) over 11 days, and humidity drops to a more comfortable 58%. This makes September a drier and less muggy month compared to January. For more specific details, you can check Bertioga weather in September.

In January, the weather is characterized by warmer temperatures, with a minimum of 15°C (60°F) and an average of 24°C (75°F), reaching highs of up to 35°C (95°F). This month also experiences significant rainfall, totaling 333 mm (13.1 in) over 22 days, combined with high humidity levels at 88%. In contrast, October sees slightly cooler temperatures, featuring a minimum of 13°C (56°F) and an average of 21°C (69°F), with maximums peaking at 37°C (99°F). Rainfall is lower in October, accumulating to 198 mm (7.8 in) over a comparable 21 days, and the humidity drops significantly to 50%. For more details, check out Bertioga weather in October.

January and November in Bertioga exhibit notable differences in weather patterns. January is characterized by warmer temperatures, with a minimum of 15°C (60°F) and an average high of 35°C (95°F), while November features slightly cooler temperatures, ranging from a minimum of 12°C (55°F) to a maximum of 34°C (93°F). Additionally, January experiences significantly higher precipitation, averaging 333 mm (13.1 in) over 22 days, compared to November's 194 mm (7.6 in) across 21 days. The humidity levels are also higher in January at 88%, whereas November sees a more comfortable 75%. For more specific details, you can check Bertioga weather in November.

In comparing the weather between January and December, we see that January tends to be slightly warmer, with average temperatures ranging from a minimum of 15°C (60°F) to a maximum of 35°C (95°F), compared to December's 13°C (56°F) minimum and 33°C (92°F) maximum. Additionally, January experiences higher overall precipitation, with 333 mm (13.1 in) over 22 days, while December has 261 mm (10.3 in) over 24 days. The humidity levels are also higher in January at 88% compared to December's 80%. For more details on December weather specifically, you can visit Bertioga weather in December.

Compare Bertioga's Climate with Cities Worldwide

Conclusion: What to Expect From January Weather in Bertioga

In January, Bertioga basks in the warmth of summer, characterized by higher temperatures and humidity compared to other months. With daily highs often reaching up to 35°C and an average of 24°C, visitors can expect a balmy atmosphere perfect for beach activities. However, this warmth comes with significant rainfall, as January typically sees around 22 days of precipitation, making it one of the wetter months of the year. The combination of heat and humidity can create a vibrant but sometimes sticky environment, so embracing the local culture and enjoying refreshing dips in the ocean becomes essential. For a deeper dive into the climate patterns throughout the year, check out Bertioga Climate.