May weather forecast
Tarrafas, Brazil

May

Weather in May

The last month of the autumn, May, is also a hot month in Tarrafas, Brazil, with an average temperature varying between 20.8°C (69.4°F) and 30.9°C (87.6°F).

Temperature

May and June bring Tarrafas's lowest average temperatures, reaching a high of 30.9°C (87.6°F).

Heat index

The heat index value for May is appraised at a fiery hot 39°C (102.2°F). Incorporate extra safety measures to avoid heat exhaustion and heat cramps. Continuous activity could provoke heatstroke.
When assessing, remember that heat index measurements are for light winds and shaded spots. The heat index may scale up by 15 Fahrenheit (8 Celsius) degrees with direct sun exposure.
Note: The heat index, also known as 'real feel' or 'feels like', is a measure that combines air temperature and relative humidity into a single value that indicates how hot the weather feels. A person's impression of weather can be swayed by numerous aspects, among them metabolic variations, pregnancy, and activity levels. When you're directly under the sun's rays, remember that the heat index may surge by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for babies and toddlers. Children frequently underestimate the necessity to rest and hydrate. Thirst is a late sign of dehydration - thus, it is vital to stay hydrated, particularly during lengthy physical exercises.
The physiological way the human body responds to excessive heat is by inducing perspiration, using sweat evaporation as a cooling mechanism. High relative humidity reduces the evaporation rate, resulting in a lower heat removal rate from the body, causing the perception of being overheated. Increasing body temperatures can be a precursor to dehydration if the body can't shed the extra heat.

Humidity

In Tarrafas, the average relative humidity in May is 74%.

Rainfall

In May, the rain falls for 17.8 days. Throughout May, 67mm (2.64") of precipitation is accumulated. Throughout the year, in Tarrafas, there are 168.6 rainfall days, and 686mm (27.01") of precipitation is accumulated.

Daylight

In Tarrafas, the average length of the day in May is 11h and 49min.
On the first day of the month, sunrise is at 05:39 and sunset at 17:32. On the last day of May, sunrise is at 05:44 and sunset at 17:29 -03.

Sunshine

In May, the average sunshine is 7.7h.

UV index

February, April through June, with an average maximum UV index of 6, are months with the lowest UV index. A UV Index estimate of 6 to 7 represents a high health risk from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The UV index of 6 during May leads to these advisories:
Sidestep overexposure. Individuals with fair complexions risk burning in fewer than 20 minutes. Avoid direct Sun exposure and seek shade between 10 a.m. and 4 p.m., when UV radiation is at its peak, but keep in mind that not all shade structures provide complete protection. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.

Frequently asked questions

What part of the year is the coldest?
The months of May and June bring the lowest temperatures, averaging a high of 30.9°C (87.6°F).
How hot is May in Tarrafas?
The high-temperature, in May, in Tarrafas, records 30.9°C (87.6°F), while the low-temperature is 20.8°C (69.4°F). 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 appraised at 39°C (102.2°F).
What is the average humidity in May?
In May, the average relative humidity is 74%.
How much does it rain in Tarrafas in May?
In Tarrafas, in May, during 17.8 rainfall days, 67mm (2.64") of precipitation is typically accumulated.
What is the average length of the day in May?
In Tarrafas, the average day length in May is 11h and 49min.
What time are sunrise and sunset in May?
On the first day of May, sunrise is at 05:39 and sunset at 17:32. On the last day of the month, sunrise is at 05:44 and sunset at 17:29 -03.
How long on average sun shines in May?
In Tarrafas, the average sunshine duration in May is 7.7h.
What is the month with the lowest UV index?
The months with the lowest UV index in Tarrafas are February, April through June, with an average maximum UV index of 6.
What is the UV index reading in May?
The average daily maximum UV index in May is 6. A UV Index value of 6 to 7 symbolizes a high hazard to health from exposure to the Sun's 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 - Tarrafas, Brazil
Average temperature in May
Tarrafas, Brazil
  • Average high temperature in May: 30.9°C

The warmest month (with the highest average high temperature) is October (35.6°C).
The months with the lowest average high temperature are May and June (30.9°C).

  • Average low temperature in May: 20.8°C

The month with the highest average low temperature is November (24.1°C).
The coldest month (with the lowest average low temperature) is July (19.3°C).

Average pressure in May - Tarrafas, Brazil
Average pressure in May
Tarrafas, Brazil
  • Average pressure in May: 1013mbar

The month with the highest atmospheric pressure is July (1015mbar).
The month with the lowest atmospheric pressure is November (1010.3mbar).

Average wind speed in May - Tarrafas, Brazil
Average wind speed in May
Tarrafas, Brazil
  • Average wind speed in May: 9.4km/h

The windiest month (with the highest average wind speed) is November (14.8km/h).
The calmest month (with the lowest average wind speed) is April (8.3km/h).

Average humidity in May - Tarrafas, Brazil
Average humidity in May
Tarrafas, Brazil
  • Average humidity in May: 74%

The month with the highest relative humidity is April (77%).
The month with the lowest relative humidity is September (47%).

Average rainfall in May - Tarrafas, Brazil
Average rainfall in May
Tarrafas, Brazil
  • Average rainfall in May: 67mm

The wettest month (with the highest rainfall) is March (149mm).
The driest month (with the least rainfall) is September (3mm).

Average rainfall days in May - Tarrafas, Brazil
Average rainfall days in May
Tarrafas, Brazil
  • Average rainfall days in May: 17.8 days

The month with the highest number of rainy days is March (25.3 days).
The month with the least rainy days is September (3.9 days).

Average daylight in May / Average sunshine in May - Tarrafas, Brazil
Average daylight in May /
Average sunshine in May
Tarrafas, 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 42min).

  • Average sunshine in May: 7h and 4min

The months with the most sunshine are August and September (Average sunshine: 9h and 36min).
The month with the least sunshine is March (Average sunshine: 6h and 48min).

Average sunshine days in May - Tarrafas, Brazil
Average sunshine days in May
Tarrafas, Brazil
  • Average sunshine days in May: 11.3 days

The month with the most sunshine days is August (24.8 days).
The months with the least sunshine days are March and April (4.1 days).

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

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

Average cloud cover in May - Tarrafas, Brazil
Average cloud cover in May
Tarrafas, Brazil
  • Average cloud cover in May: 44

The months with the most cloud cover are March and April (Cloud cover 50).
The month with the least cloud cover is September (Cloud cover 20).

Average visibility in May - Tarrafas, Brazil
Average visibility in May
Tarrafas, Brazil
  • Average visibility in May: 9km

The months with the highest visibility are June, July, August, September, October, November and December (10km).
The month with the lowest visibility is April (8km).

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