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March Weather in Porto Velho, Brazil

Last updated: August 22, 2025

In March, the average temperature in Porto Velho, Brazil is a warm 26°C (79°F), with a minimum of 22°C (73°F) and a peak of 33°C (92°F). Expect heavy precipitation of 315 mm (12.4 in) spread over 29 days, contributing to an average humidity of 86%.

March Temperature in Porto Velho

In March in Porto Velho, the average temperature is 26°C (79°F), with maximums reaching up to 33°C (92°F) and minimums dropping to as low as 22°C (73°F). This pleasant climate makes Porto Velho an ideal destination for travelers looking for warm and comfortable weather.

March Weather in Porto Velho: Daily Temperature Highs, Lows, and Averages

The chart illustrates March temperature patterns in Porto Velho, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Porto Velho, March typically has an average temperature of 26°C (79°F), with highs reaching up to 33°C (92°F) and lows dropping to around 22°C (73°F).
JanFebMarAprMayJunJulAugSepOctNovDec797879797979798182818079
Data source: Temperature data for Porto Velho generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

March Precipitation in Porto Velho

In Porto Velho, in March, the total precipitation amount is 315 mm (12.4 in) spread over 29 days.

March Precipitation Trends in Porto Velho

The chart displays monthly precipitation patterns in Porto Velho, with values for each month alongside March’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how March’s conditions compare to those of other months. In Porto Velho, March typically receives around 315 mm (12.4 inches) of precipitation spread over approximately 29 days.
JanFebMarAprMayJunJulAugSepOctNovDec2683693152681192733182185277372
Data source: Precipitation data for March generated using information from the Copernicus Climate Change Service.
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March Humidity in Porto Velho

In Porto Velho in March, humidity is 86%. With an average temperature of 26°C (79°F), this humidity feels like a warm, heavy blanket clinging to your skin, making even short walks a challenge and turning travel into a sticky, sweat-inducing experience.

March Average Humidity in Porto Velho

This chart illustrates the average monthly humidity levels in Porto Velho, with March’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In March, average humidity in Porto Velho is approximately 86%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%85%86%89%85%76%53%36%32%36%64%85%
Data source: Humidity data for March generated using information from the Copernicus Climate Change Service.

March UV Index in Porto Velho

In Porto Velho in March, the maximum UV index is 16, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, making it crucial to take protective measures. For detailed information, you can refer to the Hourly UV Index in Porto Velho.

Maximum UV Index Levels in Porto Velho for March

The chart shows the monthly maximum UV Index (UVI) for Porto Velho in March, 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 March, the maximum UV index in Porto Velho typically reaches 16, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec151516151210101112141514
Data source: Porto Velho March 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 March Weather in Porto Velho Compares to Other Months

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

This table compares monthly weather conditions in Porto Velho, showing how March’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather26°C (79°F)268 mm (10.5 inches)87%extreme
February Weather26°C (79°F)369 mm (14.5 inches)85%extreme
March Weather26°C (79°F)315 mm (12.4 inches)86%extreme
April Weather26°C (79°F)268 mm (10.5 inches)89%extreme
May Weather26°C (79°F)119 mm (4.7 inches)85%extreme
June Weather26°C (79°F)27 mm (1.1 inches)76%very high
July Weather26°C (80°F)3 mm (0.1 inches)53%very high
August Weather27°C (81°F)31 mm (1.2 inches)36%extreme
September Weather28°C (83°F)82 mm (3.2 inches)32%extreme
October Weather27°C (81°F)185 mm (7.3 inches)36%extreme
November Weather27°C (80°F)277 mm (10.9 inches)64%extreme
December Weather26°C (79°F)372 mm (14.7 inches)85%extreme

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