January Weather in Itaguai, Brazil

Last updated: August 22, 2025

In Itaguai, Brazil, the average temperature in January hovers around 27°C (80°F), making it a warm destination. Temperatures can dip to a cool 19°C (67°F), while reaching highs of 36°C (97°F). Be prepared for 202 mm (7.9 in) of precipitation spread over 17 days, as the air remains quite humid with an average humidity of 85%. Enjoy the warmth, but don't forget your umbrella!

January Temperature in Itaguai

In January in Itaguai, the average temperature is 27°C (80°F). Maximums can reach 36°C (97°F) and minimums can be as low as 19°C (67°F). This pleasant climate makes Itaguai an ideal destination for travelers looking to enjoy warm weather and outdoor activities.

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

The chart illustrates January temperature patterns in Itaguai, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Itaguai, January typically has an average temperature of 27°C (80°F), with highs reaching up to 36°C (97°F) and lows dropping to around 19°C (67°F).

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

January Precipitation in Itaguai

In Itaguai in January, the precipitation amount is 202 mm (7.9 in) over the course of 17 days.

January Precipitation Trends in Itaguai

The chart displays monthly precipitation patterns in Itaguai, 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 Itaguai, January typically receives around 202 mm (7.9 inches) of precipitation spread over approximately 17 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 Itaguai

In Itaguai in January, humidity is 85%. With an average temperature of 27°C (80°F), this humidity feels like a warm blanket wrapped around you, making travel feel sticky and heavy, but also inviting you to seek out refreshing drinks and cool shade.

January Average Humidity in Itaguai

This chart illustrates the average monthly humidity levels in Itaguai, 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 Itaguai is approximately 85%, 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 Itaguai

In Itaguai in January, 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 Itaguai.

Maximum UV Index Levels in Itaguai for January

The chart shows the monthly maximum UV Index (UVI) for Itaguai 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 Itaguai typically reaches 15, which falls under the extreme exposure category.

Data source: Itaguai 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 Itaguai Compares to Other Months

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

This table compares monthly weather conditions in Itaguai, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	27°C (80°F)	202 mm (7.9 inches)	85%	extreme
February Weather	26°C (78°F)	230 mm (9.0 inches)	85%	extreme
March Weather	26°C (78°F)	195 mm (7.7 inches)	86%	extreme
April Weather	24°C (75°F)	89 mm (3.5 inches)	83%	very high
May Weather	21°C (71°F)	75 mm (3.0 inches)	81%	high
June Weather	21°C (70°F)	38 mm (1.5 inches)	80%	high
July Weather	20°C (68°F)	32 mm (1.3 inches)	76%	high
August Weather	20°C (68°F)	62 mm (2.4 inches)	73%	very high
September Weather	23°C (73°F)	63 mm (2.5 inches)	68%	extreme
October Weather	23°C (74°F)	121 mm (4.8 inches)	61%	extreme
November Weather	23°C (74°F)	191 mm (7.5 inches)	72%	extreme
December Weather	25°C (77°F)	208 mm (8.2 inches)	75%	extreme