March Weather in Rio Negro

Last updated: March 2, 2024

The weather in Rio Negro, Brazil, during March is characterized by an average temperature of 21°C (70°F). Highs can soar to 30°C (87°F), while lows may dip to 14°C (57°F). Typically, the humidity level in Rio Negro throughout March hovers around 85%.

14°C (57°F)

Minimum temperature

21°C (70°F)

Average temperature

30°C (87°F)

Maximum temperature

85%

Humidity

Precipitation and Sunshine hours

In March, Rio Negro averages 109 mm (4.3 inches) of rainfall, typically over the course of 15 rainy days. The month enjoys an average of 12 hours 11 minutes of daylight, with the sun shining for approximately 8 hours 47 minutes each day. Additionally, there is a 29% probability of sunny days during this period.

109 mm (4.3 inches)

Precipitation

15 rainy days

Rainy days

8 hours 47 minutes

Sunshine hours

29%

Chance of sun

UV Index

In March, the UV Index in Rio Negro reaches a maximum of 13, indicating a level of Extreme exposure. The most intense UV radiation typically occurs between 12:00 and 14:00, during which unprotected skin may burn in as little as 10 minutes.

Average solar exposure data for the current time of the year. Actual values may vary and depend on many factors, such as cloud cover, vegetation cover, surface type, etc.
	07:00	08:00	09:00	10:00	11:00	12:00	13:00	14:00	15:00	16:00	17:00	18:00	19:00
UVI	1	2	5	8	11	13	12	10	7	4	2	1	0
Exposure	Low		Moderate	VeryHigh	Extreme			VeryHigh	High	Moderate	Low
Time to burn	45 min		30 min	15 min	10 min			15 min	25 min	30 min	45 min