nomadseason

December Weather in Guaira, Brazil

Last updated: August 22, 2025

In December, the average temperature in Guaira, Brazil is a delightful 26°C (79°F). While you can enjoy pleasant days, be prepared for a minimum drop to 18°C (64°F) and the occasional peak reaching 35°C (95°F). Expect about 172 mm (6.8 in) of precipitation spread over 18 days, contributing to an average humidity of 80%. Pack accordingly and enjoy your time in this vibrant destination!

December Temperature in Guaira

In December, in Guaira, the average temperature is 26°C (79°F). Maximums can reach 35°C (95°F), and minimums can be as low as 18°C (64°F). This makes Guaira an ideal destination for travelers seeking warm weather and comfortable conditions.

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

The chart illustrates December temperature patterns in Guaira, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Guaira, December typically has an average temperature of 26°C (79°F), with highs reaching up to 35°C (95°F) and lows dropping to around 18°C (64°F).
JanFebMarAprMayJunJulAugSepOctNovDec797879777272707481817979
Data source: Temperature data for Guaira 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 Guaira

In Guaira in December, the precipitation amount is 172 mm (6.8 in) during 18 days, indicating a relatively wet period for the area.

December Precipitation Trends in Guaira

The chart displays monthly precipitation patterns in Guaira, 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 Guaira, December typically receives around 172 mm (6.8 inches) of precipitation spread over approximately 18 days.
JanFebMarAprMayJunJulAugSepOctNovDec145160100482324102082164172
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

December Humidity in Guaira

In Guaira in December humidity is 80%. With an average temperature of 26°C (79°F), this humidity feels like a heavy blanket, making outdoor activities feel sticky and exhausting, potentially dampening the travel experience and necessitating frequent breaks to cool down and hydrate.

December Average Humidity in Guaira

This chart illustrates the average monthly humidity levels in Guaira, 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 Guaira is approximately 80%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%87%86%79%68%60%57%48%41%35%65%80%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Guaira

In Guaira 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 Guaira.

Maximum UV Index Levels in Guaira for December

The chart shows the monthly maximum UV Index (UVI) for Guaira 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 Guaira typically reaches 16, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec161613119781012141416
Data source: Guaira 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 Guaira Compares to Other Months

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

This table compares monthly weather conditions in Guaira, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather26°C (79°F)145 mm (5.7 inches)85%extreme
February Weather26°C (79°F)160 mm (6.3 inches)87%extreme
March Weather26°C (79°F)100 mm (3.9 inches)86%extreme
April Weather25°C (77°F)47 mm (1.9 inches)79%extreme
May Weather22°C (73°F)23 mm (0.9 inches)68%very high
June Weather22°C (72°F)2 mm (0.1 inches)60%high
July Weather21°C (71°F)4 mm (0.2 inches)57%very high
August Weather24°C (75°F)10 mm (0.4 inches)48%very high
September Weather27°C (81°F)20 mm (0.8 inches)41%extreme
October Weather27°C (81°F)82 mm (3.2 inches)35%extreme
November Weather26°C (79°F)164 mm (6.5 inches)65%extreme
December Weather26°C (79°F)172 mm (6.8 inches)80%extreme

Compare Guaira's Climate with Cities Worldwide