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December Weather in Cajamar, Brazil

Last updated: August 22, 2025

In December, the average temperature in Cajamar, Brazil is a pleasant 23°C (74°F), making it an inviting time to explore. However, temperatures can vary significantly, with a minimum of 12°C (55°F) and a scorching maximum of 36°C (96°F). Be prepared for moderate rainfall, as 144 mm (5.7 in) typically falls over 19 days, and expect an average humidity level of 80%, which adds a touch of tropical warmth to the atmosphere.

December Temperature in Cajamar

In December in Cajamar, the average temperature is 23°C (74°F). Maximums can reach 36°C (96°F) while minimums can dip as low as 12°C (55°F). It's a great time for travelers to enjoy a mix of warm days and cooler evenings, making it ideal for both outdoor activities and comfortable dining experiences.

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

The chart illustrates December temperature patterns in Cajamar, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Cajamar, December typically has an average temperature of 23°C (74°F), with highs reaching up to 36°C (96°F) and lows dropping to around 12°C (55°F).
JanFebMarAprMayJunJulAugSepOctNovDec747374706665636470717173
Data source: Temperature data for Cajamar 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 Cajamar

In Cajamar in December, the precipitation amount is 144 mm (5.7 in) spread over 19 days.

December Precipitation Trends in Cajamar

The chart displays monthly precipitation patterns in Cajamar, 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 Cajamar, December typically receives around 144 mm (5.7 inches) of precipitation spread over approximately 19 days.
JanFebMarAprMayJunJulAugSepOctNovDec179166116524542185738109122144
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Cajamar

In Cajamar in December humidity is 80%. With an average temperature of 23°C (74°F), this humidity feels like walking through a warm, damp blanket, making travel feel sticky and muggy, where every step leaves you yearning for a cool breeze.

December Average Humidity in Cajamar

This chart illustrates the average monthly humidity levels in Cajamar, 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 Cajamar 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 Cajamar

In Cajamar 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 Cajamar.

Maximum UV Index Levels in Cajamar for December

The chart shows the monthly maximum UV Index (UVI) for Cajamar 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 Cajamar typically reaches 16, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec16151211867911131416
Data source: Cajamar 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 Cajamar Compares to Other Months

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

This table compares monthly weather conditions in Cajamar, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather24°C (75°F)179 mm (7.1 inches)88%extreme
February Weather23°C (74°F)166 mm (6.5 inches)88%extreme
March Weather23°C (74°F)116 mm (4.6 inches)87%extreme
April Weather21°C (70°F)52 mm (2.1 inches)84%extreme
May Weather19°C (66°F)45 mm (1.8 inches)79%very high
June Weather18°C (65°F)42 mm (1.7 inches)77%high
July Weather17°C (63°F)18 mm (0.7 inches)72%high
August Weather18°C (65°F)57 mm (2.2 inches)65%very high
September Weather21°C (71°F)38 mm (1.5 inches)58%extreme
October Weather22°C (71°F)108 mm (4.3 inches)50%extreme
November Weather22°C (71°F)122 mm (4.8 inches)75%extreme
December Weather23°C (74°F)144 mm (5.7 inches)80%extreme

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