May weather forecast
Aratuba, Brazil

May

Weather in May

The last month of the autumn, May, is another warm month in Aratuba, Brazil, with an average temperature fluctuating between 20.8°C (69.4°F) and 29.8°C (85.6°F).

Temperature

In Aratuba, the month of May is known for its lowest average temperatures, reaching a high of 29.8°C (85.6°F) and a low of 20.8°C (69.4°F).

Heat index

During May, the heat index is computed to be a torrid 38°C (100.4°F). Undertake additional precautions, heat cramps and heat exhaustion could happen. Heatstroke could occur from sustained activity.
Consider that heat index readings are for situations in the shade and light wind. With direct sunlight, the heat index could increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', gives a temperature feeling by integrating air temperature and humidity. One's perception of temperature is subjective, varying based on their activity and individual heat perception, influenced by factors like wind, clothing, and metabolic variations. Given direct exposure to sunlight, one might experience a rise in the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital for babies and toddlers. Children usually face more risks than adults as their ability to sweat is less. Additionally, their larger skin surface in relation to their petite bodies and higher heat output due to their activities increases their vulnerability.
Perspiration is essential for the human body; it facilitates cooling through the process of sweat evaporation. When relative humidity is on the rise, it curtails evaporation, thereby reducing the heat elimination from the body and causing the feeling of being excessively hot. Overheating dangers loom when the body's heat release mechanisms are overshadowed by excessive gain.

Humidity

In May, the average relative humidity is 82%.

Rainfall

In May, the rain falls for 21.4 days. Throughout May, 78mm (3.07") of precipitation is accumulated. In Aratuba, during the entire year, the rain falls for 177 days and collects up to 691mm (27.2") of precipitation.

Daylight

The average length of the day in May is 11h and 55min.
On the first day of the month, sunrise is at 05:34 and sunset at 17:31. On the last day of May, sunrise is at 05:37 and sunset at 17:30 -03.

Sunshine

The average sunshine in May is 6.6h.

UV index

January through July, with an average maximum UV index of 6, are months with the lowest UV index. A UV Index reading of 6 to 7 represents a high health hazard from unsafe exposure to UV radiation for the average person.
Note: An average maximum UV index of 6 in May leads to these recommendations:
Guard against overexposure. Protection from sun-induced harm is essential. Remember that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. Make an effort to avoid direct sun exposure during these hours. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.

Frequently asked questions

What time of the year is the coldest?
May, with an average high of 29.8°C (85.6°F) and a low of 20.8°C (69.4°F), signifies the coldest month of the year.
How hot is May?
The high-temperature, in May, in Aratuba, is 29.8°C (85.6°F), while the low-temperature averages to 20.8°C (69.4°F). In May, the average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which combines relative humidity and air temperature, is computed to be 38°C (100.4°F).
What is the average humidity in May?
In Aratuba, the average relative humidity in May is 82%.
How many days does it rain in May?
In May, the rain falls for 21.4 days. Throughout May, 78mm (3.07") of precipitation is accumulated.
What is the average length of the day in May?
In Aratuba, the average day length in May is 11h and 55min.
What time are sunrise and sunset in May?
On the first day of May, sunrise is at 05:34 and sunset at 17:31. On the last day of the month, sunrise is at 05:37 and sunset at 17:30 -03.
How many hours of sunshine does Aratuba have in May?
The average sunshine duration in May is 6.6h.
What is the month with the lowest UV index?
January through July, with an average maximum UV index of 6, are months with the lowest UV index.
How high is the UV index in May?
The average daily maximum UV index in May is 6. A UV Index estimate of 6 to 7 represents a high health threat from unprotected exposure to UV radiation.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in May - Aratuba, Brazil
Average temperature in May
Aratuba, Brazil
  • Average high temperature in May: 29.8°C

The warmest month (with the highest average high temperature) is October (34.1°C).
The month with the lowest average high temperature is May (29.8°C).

  • Average low temperature in May: 20.8°C

The month with the highest average low temperature is December (23.1°C).
The coldest month (with the lowest average low temperature) is July (19.7°C).

Average pressure in May - Aratuba, Brazil
Average pressure in May
Aratuba, Brazil
  • Average pressure in May: 1012.2mbar

The month with the highest atmospheric pressure is July (1014mbar).
The month with the lowest atmospheric pressure is November (1010.3mbar).

Average wind speed in May - Aratuba, Brazil
Average wind speed in May
Aratuba, Brazil
  • Average wind speed in May: 10.6km/h

The windiest month (with the highest average wind speed) is October (17.2km/h).
The calmest month (with the lowest average wind speed) is April (9.4km/h).

Average humidity in May - Aratuba, Brazil
Average humidity in May
Aratuba, Brazil
  • Average humidity in May: 82%

The month with the highest relative humidity is April (84%).
The months with the lowest relative humidity are September and October (61%).

Average rainfall in May - Aratuba, Brazil
Average rainfall in May
Aratuba, Brazil
  • Average rainfall in May: 78mm

The wettest month (with the highest rainfall) is March (158mm).
The driest months (with the least rainfall) are September and October (3mm).

Average rainfall days in May - Aratuba, Brazil
Average rainfall days in May
Aratuba, Brazil
  • Average rainfall days in May: 21.4 days

The month with the highest number of rainy days is March (26.8 days).
The month with the least rainy days is September (4.1 days).

Average daylight in May / Average sunshine in May - Aratuba, Brazil
Average daylight in May /
Average sunshine in May
Aratuba, Brazil
  • Average daylight in May: 11h and 5min

The month with the longest days is December (Average daylight: 12h and 24min).
The month with the shortest days is June (Average daylight: 11h and 54min).

  • Average sunshine in May: 6h and 4min

The month with the most sunshine is August (Average sunshine: 9h and 24min).
The month with the least sunshine is March (Average sunshine: 5h and 54min).

Average sunshine days in May - Aratuba, Brazil
Average sunshine days in May
Aratuba, Brazil
  • Average sunshine days in May: 7.1 days

The months with the most sunshine days are September and October (22.6 days).
The month with the least sunshine days is March (3 days).

Average UV index in May - Aratuba, Brazil
Average UV index in May
Aratuba, Brazil
  • Average UV index in May: 6

The months with the highest UV index are August, September, October, November and December (UV index 7).
The months with the lowest UV index are January, February, March, April, May, June and July (UV index 6).

Average cloud cover in May - Aratuba, Brazil
Average cloud cover in May
Aratuba, Brazil
  • Average cloud cover in May: 50

The month with the most cloud cover is March (Cloud cover 57).
The months with the least cloud cover are August and September (Cloud cover 23).

Average visibility in May - Aratuba, Brazil
Average visibility in May
Aratuba, Brazil
  • Average visibility in May: 7km

The months with the highest visibility are August, September, October, November and December (10km).
The months with the lowest visibility are March, April and May (7km).

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