October Weather in Sinop, Brazil

Last updated: August 22, 2025

In October, the average temperature in Sinop, Brazil reaches a warm 27°C (80°F). However, it can fluctuate, with a minimum of 20°C (68°F) and a peak of 39°C (102°F). Visitors should also prepare for 108 mm (4.3 in) of precipitation spread over 19 days, contributing to an average humidity level of 24%.

October Temperature in Sinop

In October in Sinop, the average temperature is 27°C (80°F). Maximum temperatures can reach 39°C (102°F), while the minimum can drop to as low as 20°C (68°F). Be sure to pack for warm weather and stay hydrated while you explore!

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

The chart illustrates October 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, October typically has an average temperature of 27°C (80°F), with highs reaching up to 39°C (102°F) and lows dropping to around 20°C (68°F).
JanFebMarAprMayJunJulAugSepOctNovDec777777787877778182807877
Data source: Temperature data for Sinop 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.

October Precipitation in Sinop

In Sinop in October, the precipitation amount is 108 mm (4.3 in) spread over 19 days.

October Precipitation Trends in Sinop

The chart displays monthly precipitation patterns in Sinop, with values for each month alongside October’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how October’s conditions compare to those of other months. In Sinop, October typically receives around 108 mm (4.3 inches) of precipitation spread over approximately 19 days.
JanFebMarAprMayJunJulAugSepOctNovDec2243052441402720428108260287
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in Sinop

In Sinop in October, humidity is 24%. With an average temperature of 27°C (80°F), this humidity feels like a pleasant and refreshing embrace, making it ideal for leisurely strolls and outdoor adventures.

October Average Humidity in Sinop

This chart illustrates the average monthly humidity levels in Sinop, with October’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In October, average humidity in Sinop is approximately 24%, 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 October generated using information from the Copernicus Climate Change Service.

October UV Index in Sinop

In Sinop in October, the maximum UV index is 14, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, so it's crucial to take precautions. For the detailed hourly UV index in Sinop, you can check here.

Maximum UV Index Levels in Sinop for October

The chart shows the monthly maximum UV Index (UVI) for Sinop in October, 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 October, the maximum UV index in Sinop typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec161616141110101112141515
Data source: Sinop October 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 October 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 October’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 October’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

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