January Weather in Arroio do Meio, Brazil

Last updated: August 22, 2025

The average temperature in Arroio do Meio, Brazil in January is a warm 25°C (77°F). Daily fluctuations can see the mercury dip to a cool 12°C (53°F) or rise to a sizzling 38°C (100°F). Visitors should be prepared for some rain, as precipitation averages 129 mm (5.1 in) over 14 days, with the air weighing in at a humidity level of about 80%.

January Temperature in Arroio do Meio

In January in Arroio do Meio, the average temperature is 25°C (77°F). Maximums can reach 38°C (100°F) and minimums can be as low as 12°C (53°F). This variability in temperatures makes it essential for travelers to pack a versatile wardrobe to enjoy their trip comfortably.

January Weather in Arroio do Meio: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Arroio do Meio, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Arroio do Meio, January typically has an average temperature of 25°C (77°F), with highs reaching up to 38°C (100°F) and lows dropping to around 12°C (53°F).

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

January Precipitation in Arroio do Meio

In Arroio do Meio in January, the precipitation amount is 129 mm (5.1 in) over the course of 14 days.

January Precipitation Trends in Arroio do Meio

The chart displays monthly precipitation patterns in Arroio do Meio, 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 Arroio do Meio, January typically receives around 129 mm (5.1 inches) of precipitation spread over approximately 14 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 Arroio do Meio

In Arroio do Meio in January humidity is 80%. With an average temperature of 25°C (77°F), this humidity feels like traveling through a warm, tropical rainforest where the air is thick and steamy, making even the simplest stroll feel like a workout.

January Average Humidity in Arroio do Meio

This chart illustrates the average monthly humidity levels in Arroio do Meio, 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 Arroio do Meio is approximately 80%, 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 Arroio do Meio

In Arroio do Meio in January, 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 Arroio do Meio, you can check here.

Maximum UV Index Levels in Arroio do Meio for January

The chart shows the monthly maximum UV Index (UVI) for Arroio do Meio 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 Arroio do Meio typically reaches 14, which falls under the extreme exposure category.

Data source: Arroio do Meio 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 Arroio do Meio Compares to Other Months

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

This table compares monthly weather conditions in Arroio do Meio, 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)	129 mm (5.1 inches)	80%	extreme
February Weather	24°C (75°F)	121 mm (4.8 inches)	77%	extreme
March Weather	22°C (73°F)	124 mm (4.9 inches)	79%	extreme
April Weather	20°C (69°F)	95 mm (3.7 inches)	83%	very high
May Weather	16°C (62°F)	174 mm (6.9 inches)	88%	high
June Weather	15°C (59°F)	128 mm (5.0 inches)	86%	moderate
July Weather	14°C (57°F)	122 mm (4.8 inches)	82%	moderate
August Weather	15°C (60°F)	80 mm (3.1 inches)	77%	high
September Weather	18°C (64°F)	176 mm (6.9 inches)	80%	very high
October Weather	19°C (67°F)	150 mm (5.9 inches)	84%	extreme
November Weather	21°C (70°F)	132 mm (5.2 inches)	83%	extreme
December Weather	23°C (74°F)	99 mm (3.9 inches)	87%	extreme