January Weather in Teresopolis, Brazil

Last updated: August 21, 2025

January in Teresópolis, Brazil showcases a vibrant summer atmosphere marked by maximum temperatures reaching up to 34°C (93°F) and an average of 25°C (77°F), creating a warm and inviting climate. However, the month is also characterized by significant rainfall, with 225 mm (8.9 in) of precipitation spread over 19 days, resulting in lush landscapes. The humidity levels hover around 85%, adding a tropical feel to the region. Visitors can expect a mix of sun-soaked days and refreshing showers, perfect for exploring the natural beauty and rich culture of this stunning destination.

January Temperature in Teresopolis

In January, Teresopolis, Brazil, experiences warm temperatures that reflect the vibrancy of summer. With a minimum of 17°C (64°F) and a maximum reaching up to 34°C (93°F), the average temperature settles comfortably at 25°C (77°F). This trend of warmth continues into February, where temperatures are almost identical; however, the average dips slightly to 24°C (75°F) as the month progresses. Notably, as the year transitions into March, daytime highs ease just a bit, while still boasting a pleasant average of 24°C (75°F). As summer wanes into April, and the crispness of autumn approaches, nighttime lows fall further to 13°C (56°F), with daytime averages gradually decreasing, setting the stage for the cooler months ahead. Thus, January serves as a vibrant kickoff to a series of warmer months that invite exploration of the lush landscapes surrounding this charming Brazilian town.

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

The chart illustrates January temperature patterns in Teresopolis, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Teresopolis, 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).
JanFebMarAprMayJunJulAugSepOctNovDec777575716867646570727174
Data source: Temperature data for Teresopolis 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 Teresopolis

In January, Teresopolis experiences a significant amount of precipitation, with 225 mm (8.9 in) of rain falling across 19 days. This sets the tone for a wet start to the year, although February sees an even larger amount of 311 mm (12.2 in) over 22 days, making it the rainiest month. Interestingly, March maintains a similar pattern to January with 226 mm (8.9 in), but the number of rainy days begins to taper off as the year progresses. As the seasons shift into the dryer months, April marks a notable dip, with only 106 mm (4.2 in) of rain over 16 days, continuing the downward trend into the drier mid-year months of May and June, where precipitation drops significantly to 71 mm (2.8 in) and 50 mm (2.0 in) respectively. This dry spell persists into the summer, with the lowest rainfall recorded in July at just 37 mm (1.4 in) over 5 days. However, late in the year, rainfall begins to pick up again, culminating in hefty totals during November and December, reminiscent of the earlier months, a reminder of Teresopolis' dynamic climate.

January Precipitation Trends in Teresopolis

The chart displays monthly precipitation patterns in Teresopolis, 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 Teresopolis, January typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec2253112261067150377377156261309
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Teresopolis

In January, Teresópolis, Brazil, experiences a humid climate with levels reaching 85%, setting the tone for a month characterized by lush greenery and a vibrant atmosphere. This high humidity persists into February, where it remains steady at 85% before rising slightly in March to 86%. As the year progresses into the cooler months, humidity gradually declines, with April seeing a dip to 83%, and May down to 81%. By mid-year, a noticeable trend emerges as humidity continues to drop, reaching 76% in July and further decreasing to 73% by August. The autumn months introduce even crisper conditions, with humidity falling to 68% in September and plummeting to 61% in October, the driest month. As December approaches, the humidity begins to climb again to 75%, hinting at the return of the wet season. Such patterns highlight the transition from the humid summer months to a more temperate and dry winter, showcasing Teresópolis's diverse climatic characteristics throughout the year.

January Average Humidity in Teresopolis

This chart illustrates the average monthly humidity levels in Teresopolis, 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 Teresopolis is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%85%86%83%81%80%76%73%68%61%72%75%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Teresopolis

In January, Teresopolis experiences a notably extreme UV Index of 16, requiring just 10 minutes of exposure before burning occurs. This intensity sets the tone for the first quarter of the year, with February and March closely following, both at UV Index values of 15 and 13, respectively. Throughout the year, the UV levels begin to taper off after April, transitioning to slightly lower indices of 8 to 9 from May through August, classified as very high. However, the UV threat resurfaces in September, returning to extreme levels, peaking again in the final months of the year, ultimately making sun safety a year-round consideration. For more detailed information on local UV conditions, visit Teresopolis UV Index.

Maximum UV Index Levels in Teresopolis for January

The chart shows the monthly maximum UV Index (UVI) for Teresopolis 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 Teresopolis typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec16151311867912131415
Data source: Teresopolis 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 Teresopolis

In Teresopolis, Brazil, January ushers in an impressive 270 hours of sunshine, setting the tone for a bright start to the year. This pattern continues into February, with the sun shining just as brightly. As the seasons transition, March experiences a notable increase to 310 hours, while April remains strong with 295 hours. The trend of decent sunshine hours persists into the cooler months, gradually decreasing but staying resilient, with May and June offering 284 and 279 hours, respectively. July brings a robust 296 hours, reigniting the summer spirit, followed by a slight dip in August. As the year progresses, September basks in 298 hours, before cooling off again in October with 279 hours. By November, the sunshine returns to 281 hours, and December tops off the year on a high note with a splendid 312 hours. Overall, Teresopolis enjoys a relatively consistent amount of sunshine throughout the year, with peaks in March and December adding an enchanting warmth to its climate.

Monthly Sunshine Duration in Teresopolis: January Highlighted

The January sunshine duration represents the total number of hours Teresopolis 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.
JanFebMarAprMayJunJulAugSepOctNovDec270h270h310h295h284h279h296h278h298h279h281h312h
Data source: Teresopolis January Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Teresopolis During January

In Teresopolis, Brazil, January ushers in the year with a 33% chance of sunny weather, setting a vibrant tone for the month. While this percentage is relatively modest, it represents the transition into the summer season, hinting at brighter days ahead. Following January, the likelihood of sunshine dips to 24% in February, but quickly rebounds in the subsequent months, reaching 42% in both March and April. As the year progresses, the chances of sunny days steadily increase, peaking at 63% in July. This trend suggests that while January offers a fair shot at sunny weather, the months that follow promise even greater opportunities for basking in the sun.

Percentage of Sunny Days in January in Teresopolis

The chart illustrates the percentage of sunny days in Teresopolis 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 Teresopolis experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec33%24%42%42%44%51%63%54%43%14%26%29%
Data source: Teresopolis January chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Teresopolis in January

In Teresopolis, Brazil, January ushers in the longest days of the year, with a generous 13 hours of daylight that invites residents and visitors alike to embrace the vibrant outdoors. As the months progress, the daylight gradually decreases, with February and March offering a consistent 12 hours of sunshine. By April and May, the days slip to 11 hours, signaling the arrival of autumn. The trend continues through the cooler months of June and July, where daylight dips to 10 hours. However, as winter gives way to spring, the days begin to lengthen once more; August and September return to 11 hours, while October basks in a revival with 12 hours of daylight. The year draws to a close with December mirroring January, as 13 hours of daylight cap off the cycle, ensuring Teresopolis remains bathed in invigorating sunlight throughout the seasonal shifts.

Average Daylight Hours in Teresopolis for January

The chart illustrates the variation in daylight duration in Teresopolis throughout the year, with January highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec13h 19m12h 49m12h 10m11h 32m11h10h 45m10h 53m11h 21m11h 58m12h 36m13h 11m13h 28m
Data source: Teresopolis daylight hours, calculated by summing the hours between sunrise and sunset for each day.

January Winds in Teresopolis

In Teresópolis, Brazil, January greets visitors with a gentle breeze, characterized by an average wind speed of 1.5 m/s (3 mph). This tranquil airflow sets the tone for the month, aligning with the moderate winds experienced throughout the year. Following January, February sees a slight dip to 1.2 m/s, but as the seasons progress, averages hover around 1.3 to 1.5 m/s for most months. Notably, August and September introduce a subtle increase to 1.7 m/s (4 mph), bringing a refreshing vigor to the late winter period. As the year winds down, the speeds revert to 1.5 m/s in December, wrapping up a year where the air remains mostly calm, making Teresópolis a haven for those seeking serene surroundings.

Average January Wind Speed in Teresopolis

The chart displays monthly wind speed patterns in Teresopolis, 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.
JanFebMarAprMayJunJulAugSepOctNovDec1.5 m/s1.21.31.51.31.41.51.71.71.61.61.5
Data source: Teresopolis January wind data, generated using information from the Copernicus Climate Change Service.

How January Weather in Teresopolis Compares to Other Months

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

In comparing the weather between January and February, both months experience a similar temperature range, with January averaging 25°C (77°F) and February slightly lower at 24°C (75°F). However, February notably sees an increase in precipitation, with 311 mm (12.2 in) of rain over 22 days compared to January's 225 mm (8.9 in) over 19 days. Both months maintain a consistent humidity level of 85%, making the air feel quite humid. For more detailed information on February weather, you can check Teresopolis weather in February.

In January, the weather features a minimum temperature of 17°C (64°F) and can reach highs of 34°C (93°F), with an average temperature of 25°C (77°F). This month sees considerable rainfall, with 225 mm (8.9 inches) accumulated over 19 days, and humidity levels averaging around 85%.

By March, temperatures are slightly cooler, starting at a minimum of 15°C (60°F) and peaking at 33°C (91°F), with an average of 24°C (75°F). Rainfall remains similar, totaling 226 mm (8.9 inches), but it is spread over a few more days at 21. Furthermore, the humidity in March increases marginally to 86%.

For more detailed information, check out Teresopolis weather in March.

In January, the weather typically exhibits a warmer disposition, with minimum temperatures around 17°C (64°F) and an average of 25°C (77°F), peaking at a maximum of 34°C (93°F). This month experiences significant rainfall, totaling 225 mm (8.9 in) over 19 days, coupled with high humidity levels of 85%. In contrast, April sees slightly cooler conditions, with minimum temperatures dropping to 13°C (56°F) and an average of 22°C (71°F), while the maximum temperature reaches 33°C (91°F). Rainfall is also reduced in April, totaling 106 mm (4.2 in) over 16 days, and the humidity remains relatively high at 83%. For more detailed insights on April weather, you can visit Teresopolis weather in April.

In January, the weather tends to be much warmer and more humid compared to May. January experiences average temperatures ranging from 25°C (77°F) to a sweltering maximum of 34°C (93°F), while May offers a cooler climate with averages around 20°C (68°F) and highs of 30°C (87°F). Additionally, January sees significantly more rainfall, with 225 mm (8.9 in) spread over 19 days, compared to May's 71 mm (2.8 in) over just 9 days. The humidity remains relatively high in both months, but January holds a slight edge at 85% compared to May's 81%. For more specific details on May weather, you can explore Teresopolis weather in May.

In January, the weather is significantly warmer, with temperatures ranging from a minimum of 17°C (64°F) to a maximum of 34°C (93°F) and an average of 25°C (77°F). This month is characterized by high humidity at 85% and considerable precipitation of 225 mm (8.9 in) over 19 rainy days. In contrast, June brings cooler temperatures, where the minimum drops to 10°C (50°F) and the maximum reaches 30°C (86°F), with an average of 19°C (67°F). Additionally, June sees much less rainfall, totaling only 50 mm (2.0 in) across 9 days, and a slightly lower humidity level at 80%. For more details on June weather, visit Teresopolis weather in June.

Comparing January and July weather reveals notable differences in temperature and precipitation patterns. January experiences much warmer temperatures, with average highs reaching 34°C (93°F) and substantial humidity at 85%, contributing to a wet climate with 225 mm (8.9 in) of rainfall over 19 days. In contrast, July has cooler conditions, with average highs around 30°C (87°F) and much lower humidity of 76%. The precipitation in July drops significantly to just 37 mm (1.4 in) over 5 days, making it a drier month overall. For more detailed insights, you can check Teresopolis weather in July.

In January, the weather in Teresopolis is significantly warmer and wetter, with temperatures ranging from a minimum of 17°C (64°F) to a maximum of 34°C (93°F) and an average of 25°C (77°F). The month sees substantial rainfall, averaging 225 mm (8.9 in) over 19 days, coupled with high humidity at 85%. In contrast, August presents a cooler and drier climate, with temperatures varying from a minimum of 8°C (46°F) to a maximum of 31°C (88°F) and an average of 18°C (65°F). Precipitation decreases to just 73 mm (2.9 in) over 10 days, resulting in lower humidity at 73%. For more specific details, check the Teresopolis weather in August.

In January, temperatures in Teresopolis are significantly warmer, with a minimum of 17°C (64°F) and an average of 25°C (77°F), peaking at 34°C (93°F). The month experiences considerable precipitation, with 225 mm (8.9 in) spread over 19 days, resulting in high humidity levels at 85%. In contrast, September sees cooler temperatures, with a minimum of 11°C (52°F) and an average high of 21°C (70°F), while still reaching a maximum of 34°C (93°F). Rainfall drops to 77 mm (3.0 in), occurring over just 10 days, which reduces the humidity to a more comfortable 68%. For more details, you can check out the Teresopolis weather in September.

In January, temperatures tend to be warmer, with a minimum of 17°C (64°F) and an average of 25°C (77°F), while October sees slightly cooler weather, with a minimum of 12°C (54°F) and an average of 22°C (72°F). October can reach a maximum of 36°C (97°F), slightly higher than January's maximum of 34°C (93°F). In terms of precipitation, January is significantly wetter, receiving 225 mm (8.9 in) over 19 days, compared to October's 156 mm (6.1 in) over 18 days. Additionally, January has much higher humidity at 85%, while October enjoys a drier atmosphere at 61%. For a more detailed look at October weather patterns, check out Teresopolis weather in October.

In January, temperatures are generally warmer, with an average of 25°C (77°F) and highs reaching up to 34°C (93°F), compared to November's average of 22°C (71°F) and maximums of 35°C (95°F). Although November boasts slightly cooler nights with a minimum temperature of 12°C (53°F), it also experiences higher precipitation levels, totaling 261 mm (10.3 in) over 21 days, compared to January's 225 mm (8.9 in) across 19 days. Furthermore, January maintains a higher humidity level at 85%, while November's humidity is relatively lower at 72%. For a detailed look at the weather patterns during this month, you can visit Teresopolis weather in November.

In comparing the weather of January and December, January experiences slightly warmer temperatures, with an average of 25°C (77°F) compared to December's 23°C (74°F). The maximum temperature in January can reach up to 34°C (93°F), while December's peak is 33°C (91°F). However, January also sees a higher level of precipitation, totaling 225 mm (8.9 in) over 19 days, whereas December has 309 mm (12.2 in) spread over 25 days, indicating that December is wetter overall. Additionally, January's humidity is higher at 85%, compared to December's 75%. For more insights into December weather, you can check Teresopolis weather in December.

Compare Teresopolis's Climate with Cities Worldwide

Conclusion: What to Expect From January Weather in Teresopolis

January in Teresópolis experiences noticeably warmer temperatures, with average highs reaching up to 34°C (93°F), setting it apart from other months. This is coupled with a high humidity level around 85%, creating a tropical feel that many find invigorating. However, this hot weather is accompanied by substantial rainfall, averaging 225 mm over roughly 19 days, making January one of the wetter months of the year. If you're planning a visit, be prepared for a mix of warm, humid days and frequent showers. For a deeper dive into Teresópolis' climate nuances, visit Teresopolis Climate.