The weather in May in Niterói

It's warm in May in Niterói with an average temperature of 27°C. Temperatures this month range from a low of 25°C to a high of 29°C. At night, you can expect temperatures between 19°C and 22°C.

Looking for great weather? May is a good time to be in Niterói. The temperatures are nice, and there’s not too much rain.

Average temperatures and precipitation

This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in May for Niterói, Brazil. A low precipitation value usually indicates little to no rainfall on that day in recent years, while a higher value suggests more frequent rainfall.

Temperature records

With 35°C in 2017, Niterói reached the highest temperature in May over the past 10 years. The lowest daytime temperature in this month was 20°C in 2020. The extreme nighttime temperatures ranged from a lowest recorded value of 10°C to a highest value of 26°C.

Rainfall amount

In May, there is an average of 26 mm of precipitation, spread over 5 days. The wind speed is around 4 Bft, mostly coming from the Southeast.

Daily weather in May for Niterói

Click on any day in May to get detailed info about the usual weather on that day in Niterói. Check out the historical temperatures and precipitation over the past 10 years on this day.

May weather comparison

  Niterói New York
Average temperature 27°C 22°C
Max. temperature 29°C 28°C
Min. temperature 19°C -5°C
Total precipitation 26 mm 105 mm
Rainy days 5 days 14 days

Start of May

The month of May starts in Niterói with hot temps, averaging around 28°C during the day and nights around 21°C.

Mid May

By mid-May, daytime temps drop to around 27°C, with nights around 20°C. Not much precipitation expected during this period. It’s mostly dry and sunny.

End of May

By the end of May, the average daytime temperature in Niterói is around 27°C, while nighttime temps are about 20°C. There’s hardly any chance of precipitation. The weather will be mostly dry with plenty of sun.

Find affordable trips to Niterói

UV index

The UV index is a maximum of 7 this month. That's a moderate to high value on the intensity scale of 1 to 11. Unprotected skin can burn within 15-25 minutes.

Check out the climate of Niterói for all months and discover the best travel time

Curious about the weather in other parts of Brazil? Check out the climate and weather for spots like Rio de Janeiro, Salvador, Pipa, or explore other destinations in Brazil.

Temperature charts

These charts show the average temperatures in May in Niterói, Brazil. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.

Daily Temperature in May in Niterói

Temperature in May in Niterói over the years

Precipitation charts

These charts show the average amount of precipitation in May in Niterói, Brazil. Precipitation is always measured as water, even when it falls as snow or hail The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.

Daily Precipitation in May in Niterói

Total precipitation in May in Niterói over the years

Daily UV index in May in Niterói

This chart shows the average daily UV index in May in Niterói, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.

Weather experiences in May in Niterói

Have you been to Niterói in May?

Share your weather experience in May in Niterói.

Your email will not be shown in the review and will not be shared with others.

Average weather in Niterói by month

Click on a month below to see detailed weather info for Niterói. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.