December Weather in Jaciara, Brazil

Last updated: August 22, 2025

In December, the average temperature in Jaciara, Brazil reaches a warm 26°C (78°F), with temperatures ranging from a comfortable 20°C (69°F) to a sizzling 35°C (95°F). Expect moisture in the air, as the average humidity sits at a high 85%. Prepare for some rainy days, with a total precipitation of 304 mm (12.0 in) spread over 24 days.

December Temperature in Jaciara

In December in Jaciara, the average temperature is 26°C (78°F). The maximum can reach 35°C (95°F) and the minimum can be as low as 20°C (69°F). This pleasant climate makes it an ideal time for travelers to explore and enjoy outdoor activities in the region.

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

The chart illustrates December temperature patterns in Jaciara, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Jaciara, December typically has an average temperature of 26°C (78°F), with highs reaching up to 35°C (95°F) and lows dropping to around 20°C (69°F).
JanFebMarAprMayJunJulAugSepOctNovDec787878777574737882817978
Data source: Temperature data for Jaciara generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

December Precipitation in Jaciara

In Jaciara in December, the precipitation amount is 304 mm (12.0 in) spread over a total of 24 days.

December Precipitation Trends in Jaciara

The chart displays monthly precipitation patterns in Jaciara, 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 Jaciara, December typically receives around 304 mm (12.0 inches) of precipitation spread over approximately 24 days.
JanFebMarAprMayJunJulAugSepOctNovDec22028424512341201337139262304
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

December Humidity in Jaciara

In Jaciara in December, humidity is 85%. With an average temperature of 26°C (78°F), this humidity feels like a heavy blanket enveloping you, making every step feel laborious and sweat trickling down your back, which can be quite challenging for traveling.

December Average Humidity in Jaciara

This chart illustrates the average monthly humidity levels in Jaciara, 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 Jaciara is approximately 85%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%87%88%87%83%73%58%46%37%36%67%85%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Jaciara

In Jaciara 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 Jaciara.

Maximum UV Index Levels in Jaciara for December

The chart shows the monthly maximum UV Index (UVI) for Jaciara 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 Jaciara typically reaches 16, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec1616141310891112151516
Data source: Jaciara 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 Jaciara Compares to Other Months

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

This table compares monthly weather conditions in Jaciara, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather25°C (78°F)220 mm (8.7 inches)88%extreme
February Weather25°C (78°F)284 mm (11.2 inches)87%extreme
March Weather26°C (78°F)245 mm (9.7 inches)88%extreme
April Weather25°C (78°F)123 mm (4.8 inches)87%extreme
May Weather24°C (75°F)41 mm (1.6 inches)83%very high
June Weather23°C (74°F)2 mm (0.1 inches)73%very high
July Weather23°C (73°F)0 mm (0.0 inches)58%very high
August Weather25°C (78°F)13 mm (0.5 inches)46%extreme
September Weather28°C (83°F)36 mm (1.4 inches)37%extreme
October Weather27°C (81°F)139 mm (5.5 inches)36%extreme
November Weather26°C (79°F)262 mm (10.3 inches)67%extreme
December Weather26°C (78°F)304 mm (12.0 inches)85%extreme

Compare Jaciara's Climate with Cities Worldwide