nomadseason

December Weather in Sinop, Brazil

Last updated: August 22, 2025

In December, the average temperature in Sinop, Brazil hovers around 25°C (77°F), with a comfortable minimum of 21°C (69°F) and a peak reaching up to 34°C (93°F). Be prepared for the rain, as the region experiences about 287 mm (11.3 in) of precipitation spread over 28 days. With an average humidity of 82%, it's a truly tropical atmosphere!

December Temperature in Sinop

In December in Sinop, the average temperature is 25°C (77°F). Maximums can reach 34°C (93°F), and minimums can be as low as 21°C (69°F). This pleasant climate makes Sinop an ideal destination for travelers seeking warm and enjoyable weather.

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

The chart illustrates December temperature patterns in Sinop, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sinop, December typically has an average temperature of 25°C (77°F), with highs reaching up to 34°C (93°F) and lows dropping to around 21°C (69°F).
JanFebMarAprMayJunJulAugSepOctNovDec777777787877778182807877
Data source: Temperature data for Sinop 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 Sinop

In Sinop in December, the total precipitation amount is 287 mm (11.3 in) over a period of 28 days.

December Precipitation Trends in Sinop

The chart displays monthly precipitation patterns in Sinop, 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 Sinop, December typically receives around 287 mm (11.3 inches) of precipitation spread over approximately 28 days.
JanFebMarAprMayJunJulAugSepOctNovDec2243052441402720428108260287
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

December Humidity in Sinop

In Sinop in December, humidity is 82%. With an average temperature of 25°C (77°F), this humidity feels like a warm, oppressive blanket enveloping you as you explore, making every step feel more laborious and prompting the need for frequent hydration breaks.

December Average Humidity in Sinop

This chart illustrates the average monthly humidity levels in Sinop, 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 Sinop is approximately 82%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec89%88%89%89%78%57%43%33%25%24%56%83%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Sinop

In Sinop 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 Sinop.

Maximum UV Index Levels in Sinop for December

The chart shows the monthly maximum UV Index (UVI) for Sinop 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 Sinop typically reaches 15, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec161616141110101112141515
Data source: Sinop 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 Sinop Compares to Other Months

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

This table compares monthly weather conditions in Sinop, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather25°C (77°F)224 mm (8.8 inches)89%extreme
February Weather25°C (77°F)305 mm (12.0 inches)88%extreme
March Weather25°C (78°F)244 mm (9.6 inches)89%extreme
April Weather25°C (78°F)140 mm (5.5 inches)89%extreme
May Weather26°C (78°F)27 mm (1.0 inches)78%extreme
June Weather25°C (78°F)2 mm (0.1 inches)57%very high
July Weather25°C (77°F)0 mm (0.0 inches)43%very high
August Weather27°C (81°F)4 mm (0.1 inches)33%extreme
September Weather28°C (83°F)28 mm (1.1 inches)25%extreme
October Weather27°C (80°F)108 mm (4.3 inches)24%extreme
November Weather25°C (78°F)260 mm (10.2 inches)55%extreme
December Weather25°C (77°F)287 mm (11.3 inches)82%extreme

Compare Sinop's Climate with Cities Worldwide