December Weather in Cachoeira, Brazil

Last updated: August 21, 2025

Cachoeira, Brazil experiences a warm and humid December, with maximum temperatures soaring up to 36°C (96°F) and an average of 26°C (79°F), making it an inviting destination for sun-seekers. Despite the heat, the minimum temperature holds steady at 20°C (68°F), offering some respite during the nights. However, visitors should be prepared for an average of 68 mm (2.7 in) of precipitation over 12 days, which contributes to the region's lush greenery. With humidity levels around 70%, it's essential to stay hydrated and embrace the vibrant, tropical atmosphere that December brings to Cachoeira.

December Temperature in Cachoeira

In Cachoeira, Brazil, December marks the transition into summer, bringing warmer temperatures that are inviting for both locals and visitors. The month begins with a minimum of 20°C (68°F) and reaches an average of 26°C (79°F), peaking at 36°C (96°F) during the day. This pattern shows a slight increase from November, where nightly lows and daytime highs were similar but slightly cooler. Overall, December's warmth, combined with ample sunshine, sets the stage for vibrant outdoor activities and festivity, reflecting the lively spirit of the season. It's a delightful time to explore the beauty of Cachoeira, where the warmth envelops you like a tropical embrace.

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

The chart illustrates December temperature patterns in Cachoeira, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Cachoeira, 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).
JanFebMarAprMayJunJulAugSepOctNovDec798180787674727274777879
Data source: Temperature data for Cachoeira 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 Cachoeira

In Cachoeira, Brazil, December sees a precipitation total of 68 mm (2.7 in), which is a noticeable decrease from the significantly wetter months preceding it, particularly April and May, where rainfall peaks at over 100 mm. During this month, rain falls on approximately 12 days, aligning with the drier trends of January and October. This pattern suggests a gradual easing of the heavy rainfall characteristic of the late spring and early summer months, as the region transitions into a milder climate. Overall, December’s precipitation hints at a shift toward more balanced weather, providing a refreshing contrast to the heavy downpours of the earlier months while still ensuring the lush environment remains nourished.

December Precipitation Trends in Cachoeira

The chart displays monthly precipitation patterns in Cachoeira, 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 Cachoeira, December typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec40439310210390918056388568
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Cachoeira

In Cachoeira, Brazil, December experiences a notable dip in humidity, averaging around 70%, which marks a transition into drier conditions after a year characterized by higher moisture levels. January and February kick off the year with significantly elevated humidity, peaking at 81% in February and escalating to a high of 87% in April. However, as the year progresses, there's a gradual decline, culminating in December's relatively comfortable levels. This decreasing trend highlights a shift from the oppressive moisture of the early months to a more refreshing atmosphere as summer approaches, making December an inviting time for both locals and visitors to enjoy the region's vibrant scenery.

December Average Humidity in Cachoeira

This chart illustrates the average monthly humidity levels in Cachoeira, 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 Cachoeira is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec76%81%86%87%86%84%80%77%75%72%71%70%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Cachoeira

December marks a continuation of intense sun exposure in Cachoeira, Brazil, reflecting the region's consistently high UV Index. This month, the UV Index holds steady at 14, categorizing it as extreme, with a rapid burn time of just 10 minutes. The trend over the year shows that Cachoeira experiences remarkable UV intensity, especially in the summer months, with several months maintaining an extreme exposure rating of 14 or above. This reinforces the importance of sun safety measures throughout the year, particularly as December echoes the summer heat experienced earlier in the year. For more detailed information on the UV Index throughout the year, visit Cachoeira UV Index.

Maximum UV Index Levels in Cachoeira for December

The chart shows the monthly maximum UV Index (UVI) for Cachoeira 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 Cachoeira typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec14141413119101213151514
Data source: Cachoeira 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 Cachoeira

In Cachoeira, Brazil, the month of December shines brightly with an impressive 333 hours of sunshine, marking one of the peak months for sun seekers. Following the sun-drenched climax of October, which boasts the highest at 337 hours, December continues to deliver abundant light, slightly tapering off but still well above the annual average. The transition from the drier months towards the end of the year showcases a subtle fluctuation in daylight, with March leading the way at 328 hours, while the rest of the year maintains a consistent offer of glorious sunshine. As the year wraps up, December invites visitors to bask in its warm glow, setting the perfect backdrop for holiday festivities and tropical adventures.

Monthly Sunshine Duration in Cachoeira: December Highlighted

The December sunshine duration represents the total number of hours Cachoeira 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.
JanFebMarAprMayJunJulAugSepOctNovDec286h311h328h302h293h279h295h309h312h337h302h333h
Data source: Cachoeira December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Cachoeira During December

In Cachoeira, Brazil, December marks a striking decline in sunshine potential, with only a 14% chance of sunny days. This dip comes after a series of months showcasing greater sun exposure, particularly from March, which boasts a robust 58% chance. While January and September offer more favorable weather at 44% and 47% respectively, the overall trend indicates that as the year winds down, the likelihood of clear skies diminishes significantly. December's gloomy forecast stands in stark contrast to the brighter months earlier in the year, emphasizing a seasonal transition where cloud cover begins to dominate.

Percentage of Sunny Days in December in Cachoeira

The chart illustrates the percentage of sunny days in Cachoeira 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 Cachoeira experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec44%32%58%28%37%38%29%40%47%39%25%14%
Data source: Cachoeira December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Cachoeira in December

In Cachoeira, Brazil, the rhythm of daylight exhibits a fascinating consistency throughout the year. From January to March, residents and visitors alike bask in a generous 12 hours of sunlight daily, making these months ideal for outdoor activities and exploration. As April rolls in, there's a subtle shift, with daylight beginning to taper off to 11 hours, a trend that persists through the middle of the year until August. However, as autumn fades into spring, the daylight duration rebounds, returning to 12 hours from September to November. December, mirroring the early months, greets the summer season with another full 12 hours of daylight, inviting everyone to enjoy the vibrant landscapes and rich culture under the warm Brazilian sun.

Average Daylight Hours in Cachoeira for December

The chart illustrates the variation in daylight duration in Cachoeira throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec12h 45m12h 29m12h 8m11h 47m11h 30m11h 22m11h 27m11h 41m12h 1m12h 22m12h 41m12h 50m
Data source: Cachoeira daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Cachoeira

As December arrives in Cachoeira, Brazil, the gentle embrace of the wind takes a slight dip, averaging 2.3 m/s (5 mph). This marks the month's calmest period, a subtle contrast to the slightly brisker gusts experienced in July and August, which peak at 3.1 m/s (7 mph). Throughout the year, wind speeds typically hover around the 6 mph mark, with most months offering a comforting consistency. However, December's soft breezes herald the onset of the wet season, inviting residents and visitors alike to enjoy the serene atmosphere. As the year winds down, the steady coastal whispers provide a tranquil backdrop for the vibrant life and culture that thrive in Cachoeira.

Average December Wind Speed in Cachoeira

The chart displays monthly wind speed patterns in Cachoeira, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.72.52.82.52.72.73.13.02.72.82.42.3 m/s
Data source: Cachoeira December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Cachoeira Compares to Other Months

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

December and January in Cachoeira present relatively similar weather patterns, though with some notable differences. In December, temperatures range from a minimum of 20°C (68°F) to a maximum of 36°C (96°F), while January sees slightly cooler temperatures, with a minimum of 19°C (67°F) and a maximum of 35°C (95°F). Both months have an average temperature of around 26°C (79°F), indicating a consistent warmth throughout this period. Precipitation levels are higher in December, totaling 68 mm (2.7 in) over 12 days, compared to January's 40 mm (1.6 in) across 11 days. Additionally, humidity is slightly higher in January at 76%, compared to 70% in December. For more detailed information, you can check this link: Cachoeira weather in January.

In comparing the weather between December and February, December exhibits slightly cooler average temperatures, ranging from a minimum of 20°C (68°F) to a maximum of 36°C (96°F), with an overall average of 26°C (79°F). In contrast, February sees a slight increase, with temperatures reaching a minimum of 20°C (69°F) and a maximum of 38°C (100°F), averaging 27°C (81°F). Precipitation levels are also lower in February at 43 mm (1.7 in) over 11 days, compared to December's 68 mm (2.7 in) over 12 days. However, February boasts a higher humidity level of 81% as opposed to December's 70%. For more detailed insights on February weather, visit Cachoeira weather in February.

In December, the weather typically features a minimum temperature of 20°C (68°F) and an average of 26°C (79°F), peaking at a maximum of 36°C (96°F). The month sees about 68 mm (2.7 in) of precipitation over approximately 12 days, with humidity levels around 70%. In contrast, March experiences slightly warmer temperatures, with a minimum of 19°C (66°F) and an average of 26°C (80°F), while reaching a maximum of 37°C (100°F). However, March is also wetter, with around 93 mm (3.7 in) of rainfall spread over 17 days and higher humidity at 86%. For more detailed insights, check out this link: Cachoeira weather in March.

In December, temperatures range from a minimum of 20°C (68°F) to a maximum of 36°C (96°F), with an average of 26°C (79°F). The month sees around 68 mm (2.7 in) of rain spread over 12 days, contributing to a humidity level of 70%. In contrast, April experiences slightly cooler temperatures, with a minimum of 19°C (67°F) and a maximum of 35°C (95°F), averaging 25°C (78°F). However, April is wetter, receiving 102 mm (4.0 in) of precipitation over 22 days, leading to increased humidity at 87%. For more detailed insights into April's weather, you can check out Cachoeira weather in April.

December and May present distinct contrasts in weather patterns. In December, temperatures range from a minimum of 20°C (68°F) to a maximum of 36°C (96°F), with an average of 26°C (79°F). The month experiences 68 mm (2.7 in) of precipitation over about 12 days, accompanied by a humidity level of 70%. In contrast, May sees slightly cooler temperatures, with a minimum of 18°C (64°F) and a maximum of 33°C (91°F), averaging 24°C (76°F). However, it is wetter, with 103 mm (4.0 in) of rain falling over 22 days and humidity rising to 86%. For more details on weather conditions, check out Cachoeira weather in May.

December and June present distinct weather patterns. In December, temperatures are generally warmer, with an average of 26°C (79°F) and a maximum reaching up to 36°C (96°F). The month experiences lower precipitation at 68 mm (2.7 in) across 12 days, coupled with a humidity level of 70%. In contrast, June has cooler temperatures, averaging 23°C (74°F), with a maximum of 30°C (87°F) and minimums of 17°C (64°F). However, it sees higher rainfall of 90 mm (3.6 in) spread over 25 days and increased humidity at 84%. For more specific details on weather patterns, check out this link: Cachoeira weather in June.

When comparing the weather in December and July, a distinct contrast emerges. December tends to be warmer, with temperatures ranging from a minimum of 20°C (68°F) to a maximum of 36°C (96°F), and an average of 26°C (79°F). Precipitation is relatively moderate at 68 mm (2.7 in) over about 12 days, accompanied by a humidity level of 70%. In contrast, July is cooler, featuring a minimum temperature of 16°C (61°F), an average of 22°C (72°F), and a maximum of 31°C (87°F). The month sees more rainfall, totaling 91 mm (3.6 in) across roughly 24 days, along with a higher humidity of 80%. For a closer look at the nuances of July weather, you can check Cachoeira weather in July.

In comparison to December, August experiences cooler temperatures, with a minimum of 16°C (62°F) and an average of 22°C (72°F) compared to December's minimum of 20°C (68°F) and average of 26°C (79°F). The maximum temperature in December can reach as high as 36°C (96°F), notably warmer than August's peak of 31°C (89°F). While both months have significant precipitation, December sees slightly less at 68 mm (2.7 in) over 12 days, whereas August receives 80 mm (3.1 in) spread over 20 days, resulting in higher humidity levels in August at 77% compared to December's 70%. For more detailed information about August weather, you can visit Cachoeira weather in August.

In comparing the weather of December and September, December tends to be notably warmer, with an average temperature reaching 26°C (79°F), compared to September's average of 23°C (74°F). While September has a slightly lower minimum temperature of 17°C (62°F) and a maximum of 33°C (92°F), December's minimum of 20°C (68°F) and maximum of 36°C (96°F) highlight a more intense heat. December also experiences more precipitation overall, with 68 mm (2.7 in) across 12 days, whereas September sees 56 mm (2.2 in) over 18 days. Humidity is marginally higher in September at 75%, compared to December’s 70%. For those interested in the specific conditions, Cachoeira weather in September illustrates the climate during that month in more detail.

In comparing the weather between December and October, we observe that December tends to be slightly warmer, with average temperatures reaching 26°C (79°F) compared to October's 25°C (78°F). Both months experience high maximum temperatures of around 36°C (96°F) in December and 36°C (97°F) in October. However, December sees increased precipitation, totaling 68 mm (2.7 in) over 12 days, whereas October has less rain at 38 mm (1.5 in) over the same number of days. Humidity levels are also slightly lower in December, registering at 70% compared to 72% in October. For more detailed insights into Cachoeira's climate, you can visit the following link: Cachoeira weather in October.

In comparing the weather between November and December, both months experience similar average temperatures, with December showing a slight increase in minimum and maximum temperatures. December's minimum temperature averages around 20°C (68°F), while November is slightly cooler at 19°C (67°F). Both months have an average temperature of 26°C (79°F), but December has a marginally higher maximum temperature of 36°C (96°F) compared to November's 35°C (95°F).

However, December features less precipitation overall, with 68 mm (2.7 in) over 12 days, compared to November's 85 mm (3.3 in) over 15 days. Humidity levels remain nearly consistent, with December at 70% and November slightly higher at 71%. For more details on the weather patterns during November, you can visit Cachoeira weather in November.

Compare Cachoeira's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Cachoeira

In December, Cachoeira experiences a warm climate that sets it apart from other months of the year. With maximum temperatures soaring to 36°C (96°F) and an average of 26°C (79°F), the heat is coupled with a pleasant humidity of around 70%, creating a tropical atmosphere. While December may see 12 days of rainfall totaling about 68 mm (2.7 in), this precipitation is often refreshing rather than disruptive. This blend of warmth and occasional rain makes December an inviting time to explore the rich cultural offerings of Cachoeira. For more detailed insights into what to expect throughout the year, visit Cachoeira Climate.