May weather forecast
Rio Formoso, Brazil

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Weather in May

May, the last month of the autumn in Rio Formoso, is also a moderately hot month, with an average temperature fluctuating between 24.2°C (75.6°F) and 28.1°C (82.6°F).

Temperature

With the transition into May, Rio Formoso notes an average high-temperature of a still warm 28.1°C (82.6°F), closely resembling April. Throughout May in Rio Formoso, a minimal difference from peak daytime temperatures is noted, marking a steady low-temperature average of 24.2°C (75.6°F).

Heat index

For May, the heat index is evaluated at a hot 33°C (91.4°F). Exercise more precautions, heat cramps and heat exhaustion are potential risks. Continuous activity could precipitate heatstroke.
Records show heat index calculations are tailored for shaded regions and mild winds. Exposure to the direct sun might augment heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', is achieved by amalgamating air temperature with the relative humidity readings. The influence of weather can be personal, changing with an individual's body mass, height, and level of physical exertion. Direct exposure to sun rays can potentially augment the heat sensation, elevating the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for babies and toddlers. Younglings are generally more in peril than adults due to their reduced perspiration. Coupled with a larger skin surface relative to their tiny bodies and greater heat production because of their activity, they become more at risk.

Humidity

In May, the average relative humidity is 81%.

Rainfall

The month with the most rainfall in Rio Formoso is May, when the rain falls for 23.9 days and typically aggregates up to 136mm (5.35") of precipitation.

Daylight

The average length of the day in May in Rio Formoso is 11h and 43min.
On the first day of the month, sunrise is at 05:23 and sunset at 17:11. On the last day of May, sunrise is at 05:28 and sunset at 17:07 -03.

Sunshine

In May, the average sunshine in Rio Formoso is 7.5h.

UV index

The months with the highest UV index are January through May, October through December, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high health risk from unprotected exposure to Sun's UV rays for the ordinary person.
Note: In May, a daily maximum UV index of 7 leads to the following instructions:
Incorporate safeguards and honour sun safety principles. Protection from skin and eye damage is obligatory. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.
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Frequently asked questions

How hot is it in Rio Formoso in May?

The average high-temperature and low-temperature in Rio Formoso, Brazil, during May are 28.1°C (82.6°F) and 24.2°C (75.6°F) respectively. In May, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which factors the actual air temperature with the relative humidity, is evaluated at 33°C (91.4°F).

What is the average humidity in May in Rio Formoso?

In Rio Formoso, Brazil, the average relative humidity in May is 81%.

What is the rainiest month in Rio Formoso?

The month with the most rainfall in Rio Formoso is May, when the rain falls for 23.9 days and typically aggregates up to 136mm (5.35") of precipitation.

How many days does it rain in May in Rio Formoso?

In Rio Formoso, Brazil, in May, it is raining for 23.9 days, with typically 136mm (5.35") of accumulated precipitation.

What is the average length of the day in May in Rio Formoso?

In May, the average day length is 11h and 43min.

What time are sunrise and sunset in May in Rio Formoso?

In May, on the first day of the month, sunrise is at 05:23 and sunset at 17:11. On the last day of the month, in Rio Formoso, Brazil, sunrise is at 05:28 and sunset at 17:07 -03.

How many hours of sunshine does Rio Formoso have in May?

In Rio Formoso, the average sunshine duration in May is 7.5h.

When is the highest UV index in Rio Formoso?

The months with the highest UV index in Rio Formoso, Brazil, are January through May, October through December, with an average maximum UV index of 7.

How high is the UV index in May in Rio Formoso?

In Rio Formoso, the average daily maximum UV index in May is 7. A UV Index of 6 to 7 symbolizes a high hazard to health from unprotected exposure to UV radiation.

Average temperature in May
Rio Formoso, Brazil

Average temperature in May - Rio Formoso, Brazil
  • Average high temperature in May: 28.1°C

The warmest month (with the highest average high temperature) is March (29.6°C).
The month with the lowest average high temperature is July (26°C).

  • Average low temperature in May: 24.2°C

The month with the highest average low temperature is March (25.1°C).
The coldest month (with the lowest average low temperature) is August (22.4°C).

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Average pressure in May
Rio Formoso, Brazil

Average pressure in May - Rio Formoso, Brazil
  • Average pressure in May: 1013.8mbar

The month with the highest atmospheric pressure is August (1016.9mbar).
The month with the lowest atmospheric pressure is March (1012.1mbar).

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Average wind speed in May
Rio Formoso, Brazil

Average wind speed in May - Rio Formoso, Brazil
  • Average wind speed in May: 11.9km/h

The windiest month (with the highest average wind speed) is September (16km/h).
The calmest month (with the lowest average wind speed) is April (11.3km/h).

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Average humidity in May
Rio Formoso, Brazil

Average humidity in May - Rio Formoso, Brazil
  • Average humidity in May: 81%

The months with the highest relative humidity are June and July (82%).
The months with the lowest relative humidity are March and December (76%).

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Average rainfall in May
Rio Formoso, Brazil

Average rainfall in May - Rio Formoso, Brazil
  • Average rainfall in May: 136mm

The wettest month (with the highest rainfall) is May (136mm).
The driest month (with the least rainfall) is November (26mm).

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Average rainfall days in May
Rio Formoso, Brazil

Average rainfall days in May - Rio Formoso, Brazil
  • Average rainfall days in May: 23.9 days

The month with the highest number of rainy days is July (26.8 days).
The month with the least rainy days is November (15.7 days).

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Average daylight in May /
Average sunshine in May
Rio Formoso, Brazil

Average daylight in May / Average sunshine in May - Rio Formoso, Brazil
  • Average daylight in May: 11h and 4min

The month with the longest days is December (Average daylight: 12h and 36min).
The month with the shortest days is June (Average daylight: 11h and 36min).

  • Average sunshine in May: 7h and 3min

The month with the most sunshine is March (Average sunshine: 8h and 18min).
The month with the least sunshine is July (Average sunshine: 6h and 54min).

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Average sunshine days in May
Rio Formoso, Brazil

Average sunshine days in May - Rio Formoso, Brazil
  • Average sunshine days in May: 4.5 days

The month with the most sunshine days is March (7 days).
The month with the least sunshine days is July (2.1 days).

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Average UV index in May
Rio Formoso, Brazil

Average UV index in May - Rio Formoso, Brazil
  • Average UV index in May: 7

The months with the highest UV index are January, February, March, April, May, October, November and December (UV index 7).
The month with the lowest UV index is July (UV index 5).

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Average cloud cover in May
Rio Formoso, Brazil

Average cloud cover in May - Rio Formoso, Brazil
  • Average cloud cover in May: 47

The month with the most cloud cover is July (Cloud cover 50).
The month with the least cloud cover is March (Cloud cover 38).

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Average visibility in May
Rio Formoso, Brazil

Average visibility in May - Rio Formoso, Brazil
  • Average visibility in May: 10km

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).

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Rio Formoso, Brazil

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