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December Weather in Valinhos, Brazil

Last updated: August 22, 2025

In Valinhos, Brazil, the average temperature in December is a pleasant 24°C (75°F). Expect a range that can dip to a cool 13°C (56°F) and rise to a warm 36°C (97°F). With 150 mm (5.9 in) of precipitation spread across 18 days, it's wise to keep an umbrella handy. The average humidity hovers around a humid 80%, adding a tropical feel to this vibrant locale.

December Temperature in Valinhos

In December in Valinhos, the average temperature is 24°C (75°F), with maximums reaching up to 36°C (97°F) and minimums dropping as low as 13°C (56°F). It's a great time to explore Valinhos, so pack accordingly to enjoy both warm days and cooler evenings.

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

The chart illustrates December temperature patterns in Valinhos, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Valinhos, December typically has an average temperature of 24°C (75°F), with highs reaching up to 36°C (97°F) and lows dropping to around 13°C (56°F).
JanFebMarAprMayJunJulAugSepOctNovDec757475716766646672737274
Data source: Temperature data for Valinhos 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 Valinhos

In Valinhos in December, the precipitation amount is 150 mm (5.9 in) over the course of 18 days.

December Precipitation Trends in Valinhos

The chart displays monthly precipitation patterns in Valinhos, 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 Valinhos, December typically receives around 150 mm (5.9 inches) of precipitation spread over approximately 18 days.
JanFebMarAprMayJunJulAugSepOctNovDec188173111494435145037110137150
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Valinhos

In Valinhos in December humidity is 80%. With an average temperature of 24°C (75°F), this humidity feels like a warm, sticky blanket enveloping you, making travel slightly uncomfortable as sweat clings to your skin and the air feels thick, urging you to seek shade and hydration frequently.

December Average Humidity in Valinhos

This chart illustrates the average monthly humidity levels in Valinhos, 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 Valinhos is approximately 80%, 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 Valinhos

In Valinhos in December, the maximum UV index is 16, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, making it crucial to take protective measures. For detailed information, you can refer to the Hourly UV Index in Valinhos.

Maximum UV Index Levels in Valinhos for December

The chart shows the monthly maximum UV Index (UVI) for Valinhos 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 Valinhos typically reaches 16, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec16161311867911131416
Data source: Valinhos 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 Valinhos Compares to Other Months

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

This table compares monthly weather conditions in Valinhos, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather24°C (75°F)188 mm (7.4 inches)88%extreme
February Weather24°C (75°F)173 mm (6.8 inches)88%extreme
March Weather24°C (75°F)111 mm (4.4 inches)87%extreme
April Weather22°C (71°F)48 mm (1.9 inches)84%extreme
May Weather19°C (67°F)44 mm (1.7 inches)79%very high
June Weather19°C (66°F)35 mm (1.4 inches)77%high
July Weather18°C (64°F)14 mm (0.5 inches)72%high
August Weather19°C (66°F)50 mm (2.0 inches)65%very high
September Weather22°C (72°F)37 mm (1.5 inches)58%extreme
October Weather23°C (73°F)110 mm (4.3 inches)50%extreme
November Weather22°C (72°F)137 mm (5.4 inches)75%extreme
December Weather24°C (75°F)150 mm (5.9 inches)80%extreme

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