January Weather in Sinop, Brazil

Last updated: August 22, 2025

In Sinop, Brazil, the average temperature in January hovers around 25°C (77°F). Expect a range with a comfortable minimum of 20°C (69°F) and a warm maximum of 34°C (94°F). However, be prepared for frequent showers, as precipitation amounts to 224 mm (8.8 in) over 23 days, contributing to an average humidity level of a steamy 89%.

January Temperature in Sinop

In January in Sinop, the average temperature is 25°C (77°F). Maximums can reach 34°C (94°F), while minimums can drop to as low as 20°C (69°F). This pleasant weather makes it an ideal time for travelers to explore and enjoy outdoor activities in Sinop.

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

The chart illustrates January 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, January typically has an average temperature of 25°C (77°F), with highs reaching up to 34°C (94°F) and lows dropping to around 20°C (69°F).

Data source: Temperature data for Sinop generated using information from the Copernicus Climate Change Service.

January Precipitation in Sinop

In Sinop in January, the total precipitation amount is 224 mm (8.8 in), recorded over a span of 23 days.

January Precipitation Trends in Sinop

The chart displays monthly precipitation patterns in Sinop, with values for each month alongside January’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how January’s conditions compare to those of other months. In Sinop, January typically receives around 224 mm (8.8 inches) of precipitation spread over approximately 23 days.

Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

January Humidity in Sinop

In Sinop in January humidity is 89%. With an average temperature of 25°C (77°F), this humidity feels like a heavy blanket that clings to your skin, making even short walks feel like a test of endurance for travelers.

January Average Humidity in Sinop

This chart illustrates the average monthly humidity levels in Sinop, with January’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In January, average humidity in Sinop is approximately 89%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Sinop

In Sinop in January, 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 Sinop.

Maximum UV Index Levels in Sinop for January

The chart shows the monthly maximum UV Index (UVI) for Sinop in January, 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 January, the maximum UV index in Sinop typically reaches 16, which falls under the extreme exposure category.

Data source: Sinop January 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 January 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 January’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 January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	25°C (77°F)	224 mm (8.8 inches)	89%	extreme
February Weather	25°C (77°F)	305 mm (12.0 inches)	88%	extreme
March Weather	25°C (78°F)	244 mm (9.6 inches)	89%	extreme
April Weather	25°C (78°F)	140 mm (5.5 inches)	89%	extreme
May Weather	26°C (78°F)	27 mm (1.0 inches)	78%	extreme
June Weather	25°C (78°F)	2 mm (0.1 inches)	57%	very high
July Weather	25°C (77°F)	0 mm (0.0 inches)	43%	very high
August Weather	27°C (81°F)	4 mm (0.1 inches)	33%	extreme
September Weather	28°C (83°F)	28 mm (1.1 inches)	25%	extreme
October Weather	27°C (80°F)	108 mm (4.3 inches)	24%	extreme
November Weather	25°C (78°F)	260 mm (10.2 inches)	55%	extreme
December Weather	25°C (77°F)	287 mm (11.3 inches)	82%	extreme