December Weather in Itajuba, Brazil

Last updated: August 21, 2025

In December, Itajubá, Brazil experiences a warm and humid climate, with maximum temperatures reaching 28°C (83°F) and a comfortable average of 20°C (68°F). However, the month is characterized by significant rainfall, accumulating 269 mm (10.6 in) over 26 days, resulting in a humidity level of 80%. Visitors should come prepared for frequent showers and enjoy the lush greenery that thrives in this vibrant setting. This unique blend of warmth and moisture creates a distinct atmosphere, making December a remarkable time to explore this beautiful region.

December Temperature in Itajuba

In Itajuba, Brazil, December ushers in a delightful start to summer, with temperatures gradually rising towards their peak. The month sees minimums around 10°C (50°F), offering a mild chill in the early mornings, while daytime average temperatures hover at a comfortable 20°C (68°F). As the days progress, highs reach a pleasant 28°C (83°F), making it an ideal time for outdoor activities. This slight increase in warmth from previous months hints at the upcoming peak summer temperatures, setting the stage for longer, sun-kissed days. December’s climate not only invites locals and tourists alike to revel in the vibrant outdoors but also marks a beautiful transition into the hotter months ahead.

December Weather in Itajuba: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Itajuba, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Itajuba, December 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).
JanFebMarAprMayJunJulAugSepOctNovDec696968656160586066676668
Data source: Temperature data for Itajuba 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.

December Precipitation in Itajuba

In December, Itajubá experiences its peak precipitation, with an impressive 269 mm (10.6 in) of rain falling over 26 days. This month not only marks the highest rainfall amount of the year but also coincides with the most frequent rainy days. The trend showcases a significant increase in precipitation from November, which totals 198 mm (7.8 in) over 18 days, indicating a shift towards the more intensely rainy season. As the year draws to a close, December’s relentless showers contribute to the lush landscapes of Itajubá, highlighting the region's climactic transition and providing a vibrant backdrop for the festive season.

December Precipitation Trends in Itajuba

The chart displays monthly precipitation patterns in Itajuba, with values for each month alongside December’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how December’s conditions compare to those of other months. In Itajuba, December typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec256230179674823164952166198269
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Itajuba

In December, humidity in Itajubá, Brazil begins to rise again, reaching 80%. This slight increase follows a trend of decreasing humidity from the peak months at the start of the year, where levels hover around 88% in both January and February. As summer approaches, a return to higher humidity levels is expected after a relatively dry spell throughout the latter part of the year. This oscillation in humidity not only reflects seasonal shifts but also contributes to the lush, vibrant landscapes that are characteristic of Itajubá in the warmer months. As the year draws to a close, the comfort of the humid air reminds residents and visitors alike of the tropical climate that defines this beautiful region.

December Average Humidity in Itajuba

This chart illustrates the average monthly humidity levels in Itajuba, with December’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In December, average humidity in Itajuba 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 December generated using information from the Copernicus Climate Change Service.

December UV Index in Itajuba

In December, Itajubá experiences an extreme UV Index of 16, with a burn time of just 10 minutes, making sun protection essential for outdoor activities. This peak aligns with the preceding months, where the UV Index remains consistently high at 16 in both January and February. The trend reveals a significant dominance of extreme UV levels from September through December, with values ranging from 12 to 16, contrasting sharply with the milder readings during the mid-year months of May and June. As the sun continues to shine brightly, understanding these patterns is crucial for staying safe in the Brazilian sun. For more detailed information, check out the Itajuba UV Index.

Maximum UV Index Levels in Itajuba for December

The chart shows the monthly maximum UV Index (UVI) for Itajuba in December, 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 December, the maximum UV index in Itajuba typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec161613128781012141516
Data source: Itajuba December 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.

December Sunshine in Itajuba

In December, Itajubá, Brazil, basks in a delightful 289 hours of sunshine, setting the stage for a vibrant end to the year. This month showcases a trend of consistent warmth and brightness, with only a slight dip from the peak sunshine hours of March and July. Following the sun-soaked February and March, which boast over 300 hours each, December's totals reflect a gradual, yet uplifting, transition toward the cooler months. The statistics reveal a remarkable resilience of sunny days as the year closes, ensuring that residents and visitors alike can enjoy the warmth of the sun amidst the picturesque landscapes of this charming town.

Monthly Sunshine Duration in Itajuba: December Highlighted

The December sunshine duration represents the total number of hours Itajuba experiences direct sunlight during the month of December, excluding cloudy or obstructed periods. This chart compares the sunshine duration of December with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec232h257h302h290h287h278h309h290h305h275h278h289h
Data source: Itajuba December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Itajuba During December

In Itajubá, Brazil, the likelihood of sunny weather shows some intriguing trends as the year progresses. While December has a relatively modest 28% chance of sun, it follows a pattern of increasing sunshine that peaks in the winter months of July and June, which boast probabilities of 70% and 51%, respectively. This suggests a gradual build-up of clearer skies from April onwards, reaching its zenith mid-year before tapering off in the latter months. In contrast, the sunniest periods are notably absent in the days of January and October, which present some of the year's lowest probabilities. Overall, while December may not guarantee sunny days, the upward trend leading into winter hints at more inviting weather just around the corner.

Percentage of Sunny Days in December in Itajuba

The chart illustrates the percentage of sunny days in Itajuba throughout the year, with December 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 Itajuba experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec12%29%39%46%48%51%70%58%54%18%28%28%
Data source: Itajuba December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Itajuba in December

In Itajubá, Brazil, the daylight duration exhibits a captivating rhythm throughout the year. Starting with 13 hours of sunlight in January and December, the days gradually shorten to 10 hours in June and July, marking the mid-year dip. This constant fluctuation highlights a balanced equatorial climate, where the transition months of October and November bring back longer days. Interestingly, both February and March maintain consistent 12 hours of daylight, suggesting a stable transition into the cooler months. With a gentle return to longer evenings in August and September at 11 hours, the cycle completes, showcasing Itajubá’s vibrant seasonal dance where daylight nurtures the local landscape and lifestyle.

Average Daylight Hours in Itajuba for December

The chart illustrates the variation in daylight duration in Itajuba throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec13h 18m12h 49m12h 10m11h 32m11h 1m10h 46m10h 54m11h 21m11h 58m12h 36m13h 10m13h 28m
Data source: Itajuba daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Itajuba

In December, Itajubá, Brazil, experiences a pleasant average wind speed of 1.9 m/s (4 mph), continuing a trend of gentle breezes noted throughout the year. This figure marks a slight increase from the preceding months, particularly November’s peak of 2.0 m/s (4 mph). Interestingly, the wind speeds tend to fluctuate around similar values, typically ranging from 1.5 to 2.0 m/s from February through November. The slow yet steady rise in August and September, reaching 2.0 m/s, hints at a gradual increase towards summer. As December closes the year, these soft winds sweep through the region, inviting both locals and visitors to embrace the refreshing air and the vibrant atmosphere of the Brazilian summer.

Average December Wind Speed in Itajuba

The chart displays monthly wind speed patterns in Itajuba, with values for each month shown alongside December's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how December's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec1.71.51.51.71.61.61.71.92.01.92.01.9 m/s
Data source: Itajuba December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Itajuba Compares to Other Months

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

In comparing the weather between December and January, both months exhibit relatively mild temperatures, though January is slightly warmer overall. In December, temperatures range from a minimum of 10°C (50°F) to a maximum of 28°C (83°F), with an average of 20°C (68°F). The month sees significant precipitation, totaling 269 mm (10.6 in) over 26 days and an humidity level of 80%. Conversely, January experiences slightly higher temperatures with a minimum of 13°C (56°F) and a maximum of 30°C (86°F), averaging 21°C (70°F). Precipitation is a bit lower at 256 mm (10.1 in), occurring over 21 days, accompanied by an increase in humidity to 88%. For more detailed insights, check Itajuba weather in January.

In December, the weather boasts a maximum temperature of 28°C (83°F) with a minimum of 10°C (50°F) and an average of 20°C (68°F). However, it tends to be quite rainy, with 269 mm (10.6 in) of precipitation spread over 26 days, and humidity levels are relatively high at 80%.

In contrast, February experiences slightly warmer temperatures, with a maximum reaching 30°C (87°F) and a minimum of 13°C (56°F), yet the average remains consistent at 20°C (69°F). February experiences less precipitation, totaling 229 mm (9.0 in) over 22 days, and the humidity increases to 88%.

For more detailed information on February weather, you can check Itajuba weather in February.

In December, temperatures in Itajuba range from a minimum of 10°C (50°F) to a maximum of 28°C (83°F), with an average of 20°C (68°F). The month is characterized by significant rainfall, with 269 mm (10.6 in) of precipitation over 26 days, contributing to a humidity level of 80%. In contrast, March experiences slightly milder temperatures, with minimums of 11°C (52°F) and maximums reaching 30°C (85°F), while maintaining an average of 20°C (69°F). Precipitation decreases to 179 mm (7.0 in) over 19 days, resulting in a higher humidity level of 87%. For more detailed weather information, you can check Itajuba weather in March.

December weather is generally warmer, with temperatures ranging from a minimum of 10°C (50°F) to a maximum of 28°C (83°F) and an average of 20°C (68°F). It experiences significantly more rainfall, totaling 269 mm (10.6 in) over 26 days, contributing to a high humidity level of 80%. In contrast, April sees slightly cooler temperatures, with a minimum of 7°C (45°F), an average of 18°C (65°F), and a maximum of 27°C (81°F). Precipitation is considerably lower at 67 mm (2.6 in) across 12 days, leading to a humidity level of 84%. For more detailed information about April weather, you can visit Itajuba weather in April.

In December, the weather is characterized by warmer temperatures, ranging from a minimum of 10°C (50°F) to a maximum of 28°C (83°F), with an average of 20°C (68°F). Additionally, December experiences significant rainfall, with a total precipitation of 269 mm (10.6 in) spread over 26 days, resulting in high humidity levels of around 80%. In contrast, May brings cooler temperatures, with a minimum of 1°C (35°F) and an average of 16°C (61°F), peaking at 26°C (78°F). Precipitation in May is considerably lower, totaling only 48 mm (1.9 in) over just 7 days, and humidity remains relatively consistent at 79%. For more detailed information on weather trends, check out Itajuba weather in May.

The weather in December is notably warmer than in June, with average temperatures reaching around 20°C (68°F) compared to June's cooler average of 16°C (60°F). December also experiences higher temperatures, with maximums hitting 28°C (83°F), while June peaks at 25°C (77°F). Precipitation levels are significantly higher in December, with 269 mm (10.6 in) spread over 26 days, compared to June's mere 23 mm (0.9 in) over just 5 days. Additionally, December has a slightly higher humidity level at 80%, while June maintains a humidity of 77%. For a more detailed outlook, you can check Itajuba weather in June.

When comparing the weather in December and July, it's clear that December tends to be much warmer and wetter. In December, temperatures range from a minimum of 10°C (50°F) to a maximum of 28°C (83°F), with an average of 20°C (68°F). This month also experiences significant rainfall, totaling 269 mm (10.6 in) over 26 days, resulting in a high humidity level of 80%. In contrast, July offers much cooler conditions, with temperatures ranging from 0°C (33°F) to 25°C (77°F) and an average of 15°C (58°F). Rainfall is sparse in July, with only 16 mm (0.6 in) over just one day, and humidity remains lower at 72%. For more detailed information, you can check Itajuba weather in July.

December and August showcase contrasting weather patterns in terms of temperature and precipitation. In December, the temperatures range from a mild 10°C (50°F) at night to a warm 28°C (83°F) during the day, with an average of 20°C (68°F). However, this month is also characterized by significant rainfall, with 269 mm (10.6 in) spread over 26 days, leading to high humidity levels of 80%.

In contrast, August experiences cooler temperatures, with nighttime lows of 2°C (36°F) and daytime highs reaching 27°C (82°F), averaging around 16°C (60°F). Precipitation is much lower in August, with only 49 mm (1.9 in) over just 7 days and a more comfortable humidity level of 65%. For a more detailed look at August weather in Itajubá, you can visit Itajuba weather in August.

In comparing the weather of December and September, it’s clear that December experiences warmer temperatures, with daily averages ranging from a minimum of 10°C (50°F) to a maximum of 28°C (83°F), while September boasts slightly cooler temperatures, with a minimum of 7°C (45°F) and a higher maximum of 31°C (87°F). December also sees significantly more precipitation, totaling 269 mm (10.6 in) over 26 days compared to September's 52 mm (2.1 in) over just 7 days. Additionally, the humidity is higher in December at 80%, contrasting with the 58% humidity typically found in September. For more details on September weather specifically, you can visit Itajuba weather in September.

In comparing the weather of December and October, we observe notable differences in temperature and precipitation patterns. December typically experiences a warmer climate, with average temperatures ranging from a minimum of 10°C (50°F) to a maximum of 28°C (83°F), and an average of 20°C (68°F). In contrast, October tends to be slightly cooler, with an average temperature of 19°C (67°F) and maximums reaching up to 32°C (90°F).

Moreover, December brings significantly higher precipitation, with 269 mm (10.6 in) spread over 26 days, compared to October's 166 mm (6.5 in) over 19 days. This results in a much higher humidity level in December at 80%, compared to a more comfortable 50% in October. For more details, you can check Itajuba weather in October.

In comparing the weather between November and December, December tends to be slightly warmer, with average temperatures ranging from a minimum of 10°C (50°F) to a maximum of 28°C (83°F). In contrast, November features temperatures that range from a minimum of 8°C (47°F) to a maximum of 30°C (86°F). While December has a higher average humidity level at 80%, compared to 75% in November, it also experiences significantly more rainfall, with 269 mm (10.6 in) over 26 days, compared to November's 198 mm (7.8 in) over 18 days. For more detailed weather information, you can check Itajuba weather in November.

Compare Itajuba's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Itajuba

As December unfolds in Itajubá, the weather presents a significant shift compared to other months, characterized by a warm atmosphere that embraces both humidity and a notable increase in precipitation. With temperatures soaring to a delightful warmth and a distinctive rise in rainfall spread over many days, December is marked by an invigorating summertime feel. This combination of climate elements not only refreshes the lush landscapes but also invites locals and visitors alike to experience the region's vibrant beauty. For a deeper dive into Itajubá's climate nuances throughout the year, be sure to check out Itajuba Climate.