January Weather in Jaru, Brazil

Last updated: August 22, 2025

In January, the average temperature in Jaru, Brazil is a warm 25°C (78°F), making it ideal for outdoor adventures. However, temperatures can dip to a cozy 21°C (70°F) or soar to a sweltering 33°C (92°F). With an average humidity of 88%, you'll feel the warmth, so stay hydrated! Be prepared for some rain, as 207 mm (8.2 in) of precipitation falls over 23 days, adding a refreshing twist to the tropical vibe.

January Temperature in Jaru

In January in Jaru, the average temperature is 25°C (78°F). Maximums can reach 33°C (92°F) and minimums can drop to as low as 21°C (70°F). This pleasant climate makes Jaru an excellent destination for travelers seeking warm weather and outdoor activities.

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

The chart illustrates January temperature patterns in Jaru, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Jaru, January typically has an average temperature of 25°C (78°F), with highs reaching up to 33°C (92°F) and lows dropping to around 21°C (70°F).

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

January Precipitation in Jaru

In Jaru in January, the precipitation amount is 207 mm (8.2 in) spread out over 23 days.

January Precipitation Trends in Jaru

The chart displays monthly precipitation patterns in Jaru, 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 Jaru, January typically receives around 207 mm (8.2 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 Jaru

In Jaru in January, humidity is 88%. With an average temperature of 25°C (78°F), this humidity feels like a warm, heavy blanket enveloping you, making outdoor activities a sweat-drenched challenge and prompting frequent breaks in the shade to cool off.

January Average Humidity in Jaru

This chart illustrates the average monthly humidity levels in Jaru, 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 Jaru is approximately 88%, 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 Jaru

In Jaru 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 Jaru.

Maximum UV Index Levels in Jaru for January

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

Data source: Jaru 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 Jaru Compares to Other Months

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

This table compares monthly weather conditions in Jaru, 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 (78°F)	207 mm (8.2 inches)	88%	extreme
February Weather	25°C (78°F)	294 mm (11.6 inches)	87%	extreme
March Weather	25°C (78°F)	242 mm (9.5 inches)	88%	extreme
April Weather	26°C (78°F)	171 mm (6.7 inches)	89%	extreme
May Weather	25°C (78°F)	78 mm (3.1 inches)	84%	extreme
June Weather	25°C (78°F)	12 mm (0.5 inches)	70%	very high
July Weather	26°C (79°F)	1 mm (0.0 inches)	48%	very high
August Weather	27°C (81°F)	19 mm (0.8 inches)	36%	extreme
September Weather	28°C (82°F)	59 mm (2.3 inches)	30%	extreme
October Weather	27°C (80°F)	122 mm (4.8 inches)	37%	extreme
November Weather	26°C (79°F)	222 mm (8.8 inches)	69%	extreme
December Weather	25°C (78°F)	299 mm (11.8 inches)	86%	extreme