May weather forecast
Rodolfo Fernandes, Brazil

May

Weather in May

The last month of the autumn, May, is another tropical month in Rodolfo Fernandes, Brazil, with an average temperature varying between 32.4°C (90.3°F) and 22.5°C (72.5°F).

Temperature

At the start of May, Rodolfo Fernandes's average high-temperature reaches a still tropical 32.4°C (90.3°F), subtly different from the preceding month. In May, the temperature drops to an average of 22.5°C (72.5°F) at night.

Heat index

May's heat index is computed to be a scorching 44°C (111.2°F). Take heed: Heat exhaustion and heat cramps are anticipated. Heatstroke is a potential outcome of continuous activity.
Records show heat index calculations are tailored for shaded regions and mild winds. The heat index might be elevated by 15 Fahrenheit (8 Celsius) degrees due to direct sun exposure.
Note: The heat index, also known as 'real feel' or 'felt air temperature', reflects the feeling of heat when considering both air temperature and humidity. This effect is personal, influenced by the individual's physical activity and heat sensitivity, shaped by factors including wind, attire, and metabolic variations. One must note that being under the direct sun can escalate the heat's effects, with the heat index possibly rising by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical to babies and toddlers. Younglings frequently fail to recognize the requirement to rest and rehydrate. Thirst emerges late in dehydration - it is imperative to keep hydration levels high, particularly during extended physical exertions.
To achieve cooling, the human body employs perspiration, relying on the subsequent evaporation of sweat. During high air temperature and humidity (high heat index), the process of perspiration is hindered, intensifying the sensation of heat. When heat uptake goes beyond the body's cooling mechanisms, there's a surge in body temperature, posing health risks.

Humidity

The average relative humidity in May is 75%.

Rainfall

In May, the rain falls for 17.1 days. Throughout May, 43mm (1.69") of precipitation is accumulated. In Rodolfo Fernandes, during the entire year, the rain falls for 127 days and collects up to 344mm (13.54") of precipitation.

Daylight

In Rodolfo Fernandes, Brazil, the average length of the day in May is 11h and 51min.
On the first day of the month, sunrise is at 05:32 and sunset at 17:26. On the last day of May, sunrise is at 05:35 and sunset at 17:24 -03.

Sunshine

The average sunshine in May is 8.2h.

UV index

January through December, with an average maximum UV index of 7, are months with the highest UV index. January through December, with an average maximum UV index of 7, are months with the lowest UV index. A UV Index reading of 6 to 7 represents a high health hazard from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The daily high UV index of 7 in May translates into this advice:
Guard against overexposure. Protection from sun-induced harm is essential. To the best of your ability, limit your exposure to the sun between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat.

Frequently asked questions

How hot does it get in May?
In Rodolfo Fernandes, 32.4°C (90.3°F) is the average high-temperature and 22.5°C (72.5°F) is the average low-temperature during May. In May, the average heat index (a.k.a. 'real feel', 'felt air temperature'), which factors the actual air temperature with the relative humidity, is computed to be 44°C (111.2°F).
What is the average humidity in May?
The average relative humidity in May is 75%.
How much does it rain in May?
In Rodolfo Fernandes, Brazil, during May, the rain falls for 17.1 days and regularly aggregates up to 43mm (1.69") of precipitation.
What is the average length of the day in May?
The average day length in May is 11h and 51min.
When is the sunrise / sunset in May?
On the first day of May, sunrise is at 05:32 and sunset at 17:26. On the last day of the month, sunrise is at 05:35 and sunset at 17:24 -03.
How long on average sun shines in May in Rodolfo Fernandes?
In May, the average sunshine duration is 8.2h.
When is the highest UV index?
The months with the highest UV index are January through December, with an average maximum UV index of 7.
What are the months with the lowest UV index?
The months with the lowest UV index are January through December, with an average maximum UV index of 7.
How high is the UV index in May?
In May, the average daily maximum UV index is 7. A UV Index value of 6 to 7 symbolizes a high hazard to health 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 - Rodolfo Fernandes, Brazil
Average temperature in May
Rodolfo Fernandes, Brazil
  • Average high temperature in May: 32.4°C

The warmest month (with the highest average high temperature) is October (36°C).
The month with the lowest average high temperature is June (32°C).

  • Average low temperature in May: 22.5°C

The month with the highest average low temperature is December (24.5°C).
The coldest months (with the lowest average low temperature) are July and August (21.6°C).

Average pressure in May - Rodolfo Fernandes, Brazil
Average pressure in May
Rodolfo Fernandes, Brazil
  • Average pressure in May: 1012.3mbar

The month with the highest atmospheric pressure is July (1014.3mbar).
The month with the lowest atmospheric pressure is November (1010.4mbar).

Average wind speed in May - Rodolfo Fernandes, Brazil
Average wind speed in May
Rodolfo Fernandes, Brazil
  • Average wind speed in May: 12km/h

The windiest month (with the highest average wind speed) is October (18.7km/h).
The calmest month (with the lowest average wind speed) is April (11.3km/h).

Average humidity in May - Rodolfo Fernandes, Brazil
Average humidity in May
Rodolfo Fernandes, Brazil
  • Average humidity in May: 75%

The month with the highest relative humidity is April (76%).
The month with the lowest relative humidity is September (55%).

Average rainfall in May - Rodolfo Fernandes, Brazil
Average rainfall in May
Rodolfo Fernandes, Brazil
  • Average rainfall in May: 43mm

The wettest month (with the highest rainfall) is March (83mm).
The driest months (with the least rainfall) are September and October (1mm).

Average rainfall days in May - Rodolfo Fernandes, Brazil
Average rainfall days in May
Rodolfo Fernandes, Brazil
  • Average rainfall days in May: 17.1 days

The month with the highest number of rainy days is March (20.2 days).
The month with the least rainy days is September (1.9 days).

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

The month with the longest days is December (Average daylight: 12h and 30min).
The month with the shortest days is June (Average daylight: 11h and 48min).

  • Average sunshine in May: 8h and 1min

The month with the most sunshine is September (Average sunshine: 9h and 42min).
The month with the least sunshine is March (Average sunshine: 7h and 48min).

Average sunshine days in May - Rodolfo Fernandes, Brazil
Average sunshine days in May
Rodolfo Fernandes, Brazil
  • Average sunshine days in May: 11.4 days

The months with the most sunshine days are September and October (27.7 days).
The month with the least sunshine days is March (8.5 days).

Average UV index in May - Rodolfo Fernandes, Brazil
Average UV index in May
Rodolfo Fernandes, Brazil
  • Average UV index in May: 7

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

Average cloud cover in May - Rodolfo Fernandes, Brazil
Average cloud cover in May
Rodolfo Fernandes, Brazil
  • Average cloud cover in May: 40

The month with the most cloud cover is March (Cloud cover 43).
The month with the least cloud cover is September (Cloud cover 16).

Average visibility in May - Rodolfo Fernandes, Brazil
Average visibility in May
Rodolfo Fernandes, Brazil
  • Average visibility in May: 9km

The months with the highest visibility are January, February, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are March, April and May (9km).

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