December Weather in Formosa do Rio Preto, Brazil

Last updated: August 22, 2025

In December, the average temperature in Formosa do Rio Preto, Brazil hovers around 26°C (79°F). Expect a pleasant range, with minimums dropping to 19°C (67°F) and maximums soaring up to 36°C (97°F). You'll also want to prepare for some rain, as 165 mm (6.5 in) can fall over approximately 13 days. With an average humidity of 61%, this month offers a comfortable yet vibrant climate.

December Temperature in Formosa do Rio Preto

In December in Formosa do Rio Preto, the average temperature is 26°C (79°F). Maximum temperatures can reach 36°C (97°F), while the minimum can drop to as low as 19°C (67°F). This mild climate makes Formosa do Rio Preto an ideal destination for travelers looking to enjoy pleasant weather.

December Weather in Formosa do Rio Preto: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Formosa do Rio Preto, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Formosa do Rio Preto, December typically has an average temperature of 26°C (79°F), with highs reaching up to 36°C (97°F) and lows dropping to around 19°C (67°F).
JanFebMarAprMayJunJulAugSepOctNovDec797777777776757881837979
Data source: Temperature data for Formosa do Rio Preto 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 Formosa do Rio Preto

In Formosa do Rio Preto in December, the precipitation amount is 165 mm (6.5 in) spread over 13 days.

December Precipitation Trends in Formosa do Rio Preto

The chart displays monthly precipitation patterns in Formosa do Rio Preto, 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 Formosa do Rio Preto, December typically receives around 165 mm (6.5 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec951951696621110147130165
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Formosa do Rio Preto

In Formosa do Rio Preto in December humidity is 61%. With an average temperature of 26°C (79°F), this humidity feels like a warm, tropical embrace, making traveling both invigorating and a bit sticky, as you'll find yourself seeking shade and refreshing beverages to stay comfortable while exploring.

December Average Humidity in Formosa do Rio Preto

This chart illustrates the average monthly humidity levels in Formosa do Rio Preto, 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 Formosa do Rio Preto is approximately 61%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%90%92%87%75%63%57%49%41%33%39%61%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Formosa do Rio Preto

In Formosa do Rio Preto in December, the maximum UV index reaches an alarming 15, which falls into the extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take precautions. For detailed information, you can check the Hourly UV Index in Formosa do Rio Preto.

Maximum UV Index Levels in Formosa do Rio Preto for December

The chart shows the monthly maximum UV Index (UVI) for Formosa do Rio Preto 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 Formosa do Rio Preto typically reaches 15, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec161515141210111213151515
Data source: Formosa do Rio Preto 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.

How December Weather in Formosa do Rio Preto Compares to Other Months

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

This table compares monthly weather conditions in Formosa do Rio Preto, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather26°C (79°F)95 mm (3.8 inches)86%extreme
February Weather25°C (77°F)195 mm (7.7 inches)90%extreme
March Weather25°C (77°F)169 mm (6.6 inches)92%extreme
April Weather25°C (78°F)66 mm (2.6 inches)87%extreme
May Weather25°C (78°F)21 mm (0.8 inches)75%extreme
June Weather24°C (76°F)1 mm (0.0 inches)63%very high
July Weather24°C (75°F)1 mm (0.0 inches)57%extreme
August Weather25°C (78°F)0 mm (0.0 inches)49%extreme
September Weather27°C (81°F)1 mm (0.0 inches)41%extreme
October Weather28°C (83°F)47 mm (1.9 inches)33%extreme
November Weather26°C (80°F)130 mm (5.1 inches)39%extreme
December Weather26°C (79°F)165 mm (6.5 inches)61%extreme

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