May Weather in Jau, Brazil

Last updated: August 22, 2025

In Jau, Brazil, the average temperature in May hovers around 21°C (69°F). Daily temperatures can vary significantly, with a minimum of 7°C (44°F) and a maximum reaching 33°C (91°F). Expect 33 mm (1.3 in) of precipitation spread over 4 days, and be prepared for a relatively high average humidity of 76%.

May Temperature in Jau

In May in Jau, the average temperature is 21°C (69°F). Maximum temperatures can reach 33°C (91°F), while minimums can drop as low as 7°C (44°F). This makes Jau an ideal destination for travelers who enjoy mild weather with some variation for outdoor activities.

May Weather in Jau: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Jau, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Jau, May typically has an average temperature of 21°C (69°F), with highs reaching up to 33°C (91°F) and lows dropping to around 7°C (44°F).

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

May Precipitation in Jau

In Jau in May, the precipitation amount is 33 mm (1.3 in) over a span of 4 days.

May Precipitation Trends in Jau

The chart displays monthly precipitation patterns in Jau, with values for each month alongside May’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how May’s conditions compare to those of other months. In Jau, May typically receives around 33 mm (1.3 inches) of precipitation spread over approximately 4 days.

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

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Millimeters (mm) Inches (in)

May Humidity in Jau

In Jau in May, humidity is 76%. With an average temperature of 21°C (69°F), this humidity feels like a warm, enveloping blanket, making travel slightly uncomfortable and creating a sticky atmosphere that can sap your energy as you explore.

May Average Humidity in Jau

This chart illustrates the average monthly humidity levels in Jau, with May’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In May, average humidity in Jau is approximately 76%, offering insight into how humid the weather typically is during this month.

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

May UV Index in Jau

In Jau in May, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Jau.

Maximum UV Index Levels in Jau for May

The chart shows the monthly maximum UV Index (UVI) for Jau in May, 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 May, the maximum UV index in Jau typically reaches 8, which falls under the very high exposure category.

Data source: Jau May 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 May Weather in Jau Compares to Other Months

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

This table compares monthly weather conditions in Jau, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	25°C (78°F)	182 mm (7.2 inches)	88%	extreme
February Weather	25°C (77°F)	139 mm (5.5 inches)	87%	extreme
March Weather	25°C (78°F)	87 mm (3.4 inches)	86%	extreme
April Weather	23°C (74°F)	46 mm (1.8 inches)	82%	extreme
May Weather	21°C (69°F)	33 mm (1.3 inches)	76%	very high
June Weather	20°C (69°F)	16 mm (0.6 inches)	71%	high
July Weather	20°C (67°F)	8 mm (0.3 inches)	67%	high
August Weather	20°C (69°F)	38 mm (1.5 inches)	59%	very high
September Weather	24°C (76°F)	28 mm (1.1 inches)	54%	extreme
October Weather	24°C (76°F)	86 mm (3.4 inches)	50%	extreme
November Weather	24°C (76°F)	116 mm (4.6 inches)	74%	extreme
December Weather	25°C (77°F)	137 mm (5.4 inches)	83%	extreme