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December Weather in Guaraniacu, Brazil

Last updated: August 22, 2025

In December, the average temperature in Guaraniacu, Brazil is a pleasant 23°C (74°F). While the minimum can dip to 12°C (55°F), be prepared for warmer days as highs can reach up to 34°C (93°F). You'll also want to pack an umbrella, as the region experiences 195 mm (7.7 in) of precipitation spread over about 15 days. With an average humidity of 85%, it’s sure to feel quite tropical!

December Temperature in Guaraniacu

In December in Guaraniacu, the average temperature is 23°C (74°F). Maximums can reach 34°C (93°F), and minimums can be as low as 12°C (55°F). This comfortable climate makes Guaraniacu an ideal destination for travelers seeking pleasant weather.

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

The chart illustrates December temperature patterns in Guaraniacu, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Guaraniacu, December typically has an average temperature of 23°C (74°F), with highs reaching up to 34°C (93°F) and lows dropping to around 12°C (55°F).
JanFebMarAprMayJunJulAugSepOctNovDec737372686361606371707273
Data source: Temperature data for Guaraniacu 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 Guaraniacu

In Guaraniacu in December, the precipitation amount is 195 mm (7.7 in) over the course of 15 days.

December Precipitation Trends in Guaraniacu

The chart displays monthly precipitation patterns in Guaraniacu, 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 Guaraniacu, December typically receives around 195 mm (7.7 inches) of precipitation spread over approximately 15 days.
JanFebMarAprMayJunJulAugSepOctNovDec22015114569135157379682212145195
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Guaraniacu

In Guaraniacu in December humidity is 85%. With an average temperature of 23°C (74°F), this humidity feels like a thick, steamy blanket wrapping around you, making outdoor activities draining and sweaty, and leaving you longing for a cool breeze or a refreshing drink to ease the discomfort while traveling.

December Average Humidity in Guaraniacu

This chart illustrates the average monthly humidity levels in Guaraniacu, 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 Guaraniacu is approximately 85%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%79%75%74%75%70%61%49%52%55%73%85%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Guaraniacu

In Guaraniacu 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 Guaraniacu.

Maximum UV Index Levels in Guaraniacu for December

The chart shows the monthly maximum UV Index (UVI) for Guaraniacu 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 Guaraniacu typically reaches 15, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec15151311867911141515
Data source: Guaraniacu 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 Guaraniacu Compares to Other Months

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

This table compares monthly weather conditions in Guaraniacu, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather23°C (74°F)220 mm (8.7 inches)82%extreme
February Weather23°C (73°F)151 mm (5.9 inches)79%extreme
March Weather22°C (72°F)145 mm (5.7 inches)75%extreme
April Weather20°C (68°F)69 mm (2.7 inches)74%extreme
May Weather17°C (63°F)135 mm (5.3 inches)75%very high
June Weather16°C (62°F)157 mm (6.2 inches)70%high
July Weather16°C (60°F)37 mm (1.5 inches)61%high
August Weather17°C (63°F)96 mm (3.8 inches)49%very high
September Weather21°C (71°F)82 mm (3.2 inches)52%extreme
October Weather21°C (71°F)212 mm (8.4 inches)55%extreme
November Weather22°C (72°F)145 mm (5.7 inches)73%extreme
December Weather23°C (74°F)195 mm (7.7 inches)85%extreme

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