October Weather in Cabo Frio, Brazil

Last updated: August 21, 2025

October in Cabo Frio, Brazil, offers a delightful blend of warm temperatures and coastal charm. With a maximum of 26°C (79°F) and an average around 22°C (73°F), the weather is perfect for outdoor exploration. However, visitors should be prepared for some moisture, as the month sees 67 mm (2.6 in) of rainfall across 11 days, contributing to a humidity level of 74%. Whether you're soaking in the sun or enjoying a refreshing rain shower, October is an inviting time to experience the natural beauty and vibrant life of Cabo Frio.

October Temperature in Cabo Frio

In Cabo Frio, Brazil, October ushers in a gentle transition as temperatures begin to cool slightly with the arrival of spring. With minimums around 18°C (64°F) and maximums peaking at 26°C (79°F), the weather remains pleasantly warm, making it an ideal time for outdoor activities. The average temperature hovers at a comfortable 22°C (73°F), reflecting a steady shift from the warmer months of winter. This month marks a continuation of the cool-down trend observed since the peak temperatures of February and March, making October a delightful choice for those seeking to experience Cabo Frio's charm amidst manageable heat and refreshing breezes. Enjoy the beautiful coastal scenery while basking in the warmth of the Brazilian spring!

October Weather in Cabo Frio: Daily Temperature Highs, Lows, and Averages

The chart illustrates October temperature patterns in Cabo Frio, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Cabo Frio, October 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).
JanFebMarAprMayJunJulAugSepOctNovDec777777767372717071727375
Data source: Temperature data for Cabo Frio 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.

October Precipitation in Cabo Frio

In Cabo Frio, Brazil, October brings a notable transition in precipitation patterns, with 67 mm (2.6 in) of rain falling over 11 days. This month sees a substantial increase compared to the drier July and August, reflecting the shift towards the rainy season. While October’s rainfall is less than the peak months of November and March, it contributes to a cumulative trend of increasing precipitation as the year progresses. The consistent rainfall during this time is vital for replenishing local ecosystems and supporting the region's lush landscapes, making October a month of vibrant natural beauty despite the uptick in wet days.

October Precipitation Trends in Cabo Frio

The chart displays monthly precipitation patterns in Cabo Frio, with values for each month alongside October’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how October’s conditions compare to those of other months. In Cabo Frio, October typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec387712651734128504167109101
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in Cabo Frio

In Cabo Frio, Brazil, October marks a noteworthy transition in humidity levels, as the average drops to 74%, the lowest for the year. Following a gradual decline from the peak of 86% in February, humidity continues to ease through the warmer months, settling at this comfortable level just before the onset of the rainy season. This overall trend illustrates a shift from the sultry summer months to a more pleasant autumn climate, making October an ideal time for visitors to enjoy the region's beautiful beaches and vibrant culture with slightly drier air. As the humidity begins to rise again in November, this brief respite offers a delightful window for outdoor activities.

October Average Humidity in Cabo Frio

This chart illustrates the average monthly humidity levels in Cabo Frio, with October’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In October, average humidity in Cabo Frio is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%86%84%82%80%78%77%75%76%74%79%81%
Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in Cabo Frio

In October, Cabo Frio experiences a UV Index of 13, categorizing the exposure as extreme with a recommended burn time of just 10 minutes. This reflects a continuation of high UV levels from the previous month and previous winter months, where the index fluctuated between 11 to 16, showcasing a trend of significant solar intensity year-round. As the sun strengthens, residents and visitors alike are advised to take precautions to protect their skin. With November on the horizon, where the UV Index peaks again at 14, the importance of sun safety only becomes more pressing. For detailed insights and real-time updates, visit Cabo Frio UV Index.

Maximum UV Index Levels in Cabo Frio for October

The chart shows the monthly maximum UV Index (UVI) for Cabo Frio in October, 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 October, the maximum UV index in Cabo Frio typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec16141311867911131415
Data source: Cabo Frio October 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.

October Sunshine in Cabo Frio

In Cabo Frio, Brazil, October shines brightly with an impressive 299 hours of sunshine, making it a delightful time for both locals and travelers alike. This month follows a lovely trend of consistent sunny days, with September and November showing similar hours of sunlight at 305 and 307 hours, respectively. The sun-soaked ambiance, emerging from a slightly cooler spring, invites beachgoers and nature lovers to revel in the warm, pleasant days. October stands as a testament to Cabo Frio’s allure, nestled comfortably between the high sunshine of December and the steady rays of March, creating an ideal backdrop for unforgettable experiences under the sun.

Monthly Sunshine Duration in Cabo Frio: October Highlighted

The October sunshine duration represents the total number of hours Cabo Frio experiences direct sunlight during the month of October, excluding cloudy or obstructed periods. This chart compares the sunshine duration of October with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec290h285h324h305h289h285h295h291h305h299h307h336h
Data source: Cabo Frio October Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Cabo Frio During October

When considering the likelihood of sunny weather in October in Cabo Frio, Brazil, it's notable that the chance of sun drops significantly to just 24% this month. This marks a departure from the sunnier days of the mid-year, where July and August boast a robust 64% and 60% likelihood, respectively. As we transition from the peak winter months into spring, the overall trend suggests a gradual decline in sunlight, peaking in June and July, which then gives way to a murkier October. While the prospects brighten slightly in November with a 40% chance of sunshine, October stands out as a month where cloudy skies might take center stage, signaling a shift in Cabo Frio's climate as it approaches the wetter season.

Percentage of Sunny Days in October in Cabo Frio

The chart illustrates the percentage of sunny days in Cabo Frio throughout the year, with October 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 Cabo Frio experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec44%36%56%59%56%61%64%60%48%24%40%46%
Data source: Cabo Frio October chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Cabo Frio in October

In Cabo Frio, Brazil, October marks a delightful transition in daylight duration, boasting about 12 hours of daylight. Following the slightly shorter days of April through July, which each averaged around 10 hours, October sees a reinstatement of those longer, sun-filled days reminiscent of earlier months. The gradual increase in daylight hours, beginning in August, signals the approaching summer, making October an ideal time for outdoor activities and soaking up the vibrant Brazilian sun. As the months progress towards the end of the year, Cabo Frio's daylight stretches again to 13 hours in November and December, inviting residents and visitors alike to embrace the picturesque beauty of this coastal paradise.

Average Daylight Hours in Cabo Frio for October

The chart illustrates the variation in daylight duration in Cabo Frio throughout the year, with October highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec13h 20m12h 50m12h 11m11h 31m10h 59m10h 44m10h 52m11h 20m11h 57m12h 37m13h 12m13h 30m
Data source: Cabo Frio daylight hours, calculated by summing the hours between sunrise and sunset for each day.

October Winds in Cabo Frio

As October unfurls in Cabo Frio, Brazil, residents and visitors alike experience a gentle shift in the coastal breeze, with the average wind speed reaching a comfortable 6.3 m/s (14 mph). This month's winds strike a perfect balance, slightly calmer than the brisk gusts of August and September, yet still invigorating enough to keep the air fresh and inviting. Notably, October's winds are part of a larger trend; starting from the high points of summer, they gradually diminish towards the year's end, marking a seasonal transition. The medium-level winds of October create an ideal atmosphere for outdoor activities, from beach strolls to water sports, ensuring that Cabo Frio continues to enchant with its captivating maritime charm.

Average October Wind Speed in Cabo Frio

The chart displays monthly wind speed patterns in Cabo Frio, with values for each month shown alongside October's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how October's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec7.34.64.95.84.36.05.67.67.16.3 m/s5.55.1
Data source: Cabo Frio October wind data, generated using information from the Copernicus Climate Change Service.

How October Weather in Cabo Frio Compares to Other Months

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

October in Cabo Frio enjoys a pleasant climate with average temperatures ranging from a minimum of 18°C (64°F) to a maximum of 26°C (79°F). The month typically sees about 67 mm (2.6 in) of precipitation over 11 days, with humidity levels averaging 74%. In contrast, January brings slightly warmer temperatures, with a minimum of 21°C (71°F) and a maximum of 28°C (83°F). Precipitation drops significantly to 38 mm (1.5 in) over just 4 days, while humidity rises to 85%. For a closer look at the weather details in January, visit Cabo Frio weather in January.

In comparison, October experiences slightly milder temperatures with an average of 22°C (73°F) and a maximum of 26°C (79°F), while February offers warmer conditions with an average of 25°C (77°F) and highs reaching 29°C (84°F). October sees more frequent rainfall with 67 mm (2.6 in) over 11 days, compared to February's 77 mm (3.0 in) over just 9 days. Additionally, February tends to have higher humidity levels at 86%, compared to October's 74%. For a closer look at February's weather patterns, visit Cabo Frio weather in February.

In comparing the weather of October and March, we notice some distinct differences. October features milder temperatures, with a minimum of 18°C (64°F) and an average of 22°C (73°F), while March is warmer overall, with a minimum of 22°C (72°F) and an average of 25°C (78°F). Additionally, March experiences significantly higher precipitation, totaling 126 mm (5.0 in) across 11 days, compared to October's 67 mm (2.6 in) over the same number of days. The humidity is also slightly higher in March at 84%, compared to October's 74%. For a more detailed look at March weather, check out Cabo Frio weather in March.

October and April offer distinct weather experiences, with October generally being slightly cooler. In October, temperatures range from a minimum of 18°C (64°F) to a maximum of 26°C (79°F), with an average of 22°C (73°F) and a relative humidity of 74%. Precipitation during this month totals 67 mm (2.6 in) across 11 days.

In contrast, April sees warmer conditions, with temperatures ranging from 21°C (70°F) to 28°C (83°F), an average of 24°C (76°F), but higher humidity at 82%. Rainfall in April is somewhat lower at 51 mm (2.0 in), over 12 days. To explore more about Cabo Frio's weather during April, visit Cabo Frio weather in April.

When comparing the weather in October and May, we see some similarities and differences. In October, temperatures range from a minimum of 18°C (64°F) to a maximum of 26°C (79°F), with an average of 22°C (73°F). The month experiences about 67 mm (2.6 in) of precipitation spread over 11 days and has a humidity level of 74%. In contrast, May offers slightly warmer temperatures, with a minimum of 19°C (66°F), an average of 23°C (74°F), and a maximum of 27°C (82°F). May also sees a touch more precipitation at 73 mm (2.9 in) over 9 days, along with a higher humidity level of 80%. For a more detailed look at weather conditions, you can check Cabo Frio weather in May.

When comparing the weather in October and June, both months exhibit similar average temperatures of 22°C (73°F), but October tends to be slightly warmer at its maximum, reaching up to 26°C (79°F) compared to June's 27°C (80°F). October experiences more precipitation, with 67 mm (2.6 in) over 11 days, while June sees a lighter rainfall of 41 mm (1.6 in) across 8 days. Additionally, humidity levels are a bit lower in October at 74%, compared to 78% in June. For more detailed information about June weather, you can check Cabo Frio weather in June.

When comparing the weather in October and July, both months exhibit similar temperature ranges, with October experiencing slightly higher averages at a minimum of 18°C (64°F) and an average of 22°C (73°F). In contrast, July's temperatures start at a minimum of 17°C (63°F) and average 21°C (71°F). However, October sees a higher level of precipitation, with 67 mm (2.6 in) spread over 11 days, compared to July's 27 mm (1.1 in) over just 6 days. Humidity is slightly lower in July at 77%, while October has a humidity level of 74%. For a more detailed look at weather conditions, you can check Cabo Frio weather in July.

In comparing the weather of October to that of August, both months exhibit similar temperature ranges, with October having slightly higher averages. October's minimum temperature is 18°C (64°F), while August's is just a degree lower at 17°C (63°F). The average temperature in October is 22°C (73°F) compared to August's 21°C (70°F), and both months peak at a maximum of 26°C (79°F and 78°F, respectively). Rainfall is more prevalent in October with 67 mm (2.6 in) over 11 days, whereas August sees less precipitation at 50 mm (2.0 in) across 9 days. Despite the overall similarities, October’s increased humidity at 74% compared to August’s 75% indicates a marginally more humid atmosphere as the seasons transition. For a detailed look at the weather specifics, visit Cabo Frio weather in August.

In October, temperatures in Cabo Frio experience a slight dip, with a minimum of 18°C (64°F) compared to September's 19°C (67°F). Both months share a similar average temperature of around 22°C (72-73°F) and maximum temperatures that hover around 26°C (78-79°F). However, October is notably wetter, receiving 67 mm (2.6 in) of precipitation over 11 days, while September sees only 41 mm (1.6 in) over 5 days. Humidity levels are slightly lower in October at 74%, compared to September's 75%. For more detailed information, you can check Cabo Frio weather in September.

In October, the weather in Cabo Frio features a minimum temperature of 18°C (64°F), with an average of 22°C (73°F) and a maximum of 26°C (79°F). The month typically experiences about 67 mm (2.6 in) of precipitation over 11 days, alongside a humidity level of 74%. In contrast, November brings slightly warmer temperatures, with a minimum of 20°C (68°F), an average of 23°C (73°F), and a maximum of 27°C (80°F). However, November also sees an increase in precipitation, reaching 109 mm (4.3 in) over 13 days, with humidity rising to 79%. For more details on November weather, you can check Cabo Frio weather in November.

In comparing the weather between October and December, October tends to be slightly cooler, with average temperatures ranging from a minimum of 18°C (64°F) to a maximum of 26°C (79°F), while December enjoys slightly warmer conditions with temperatures ranging from 21°C (70°F) to 27°C (80°F). Precipitation levels are higher in December at 101 mm (4.0 in) over 10 days, compared to October's 67 mm (2.6 in) over 11 days, indicating that December is likely to be wetter. Additionally, humidity rises from 74% in October to 81% in December, making the latter month feel a bit more muggy. For more details on December weather, visit Cabo Frio weather in December.

Compare Cabo Frio's Climate with Cities Worldwide

Conclusion: What to Expect From October Weather in Cabo Frio

As October ushers in a shift in Cabo Frio's weather, visitors can expect pleasantly mild temperatures that make it an inviting time to explore this stunning coastal destination. With averages hovering around the low twenties in Celsius, the warmth complements the slight increase in humidity and occasional showers, resulting in a lush, vibrant environment. While precipitation may be more frequent than in the drier months of the year, the refreshing rain brings life to the landscape and cools the air, enhancing the overall experience. For those planning a trip, understanding this unique October climate can be pivotal to a memorable adventure. Explore more about Cabo Frio's weather patterns by visiting Cabo Frio Climate.