May weather forecastSão Luís do Quitunde, Brazil

May

Weather in May

The last month of the autumn, May, is another warm month in São Luís do Quitunde, Brazil, with an average temperature varying between 28.9°C (84°F) and 22.4°C (72.3°F).

Temperature

São Luís do Quitunde experiences a minor change to a moderately hot 28.9°C (84°F) in average high-temperature during May, closely reflecting April. The month of May records an average low-temperature of 22.4°C (72.3°F) in São Luís do Quitunde.

Heat index

Throughout May, the heat index is computed to be a sweltering 35°C (95°F). Adopt extra safety steps, risk of heat exhaustion and heat cramps is notable. Sustained activity might cause heatstroke.
It is crucial to understand that heat index figures are for shade and gentle wind conditions. With exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', is derived by integrating air temperature with the existing relative humidity to express the perceived warmth. The effect of weather is individual, with a variety of people experiencing it differently due to distinctions in body mass, height, and level of activity. With the sun shining directly, it's crucial to understand that it can increase the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially vital to children. Children often fail to recognize the requirement to rest and rehydrate. Thirst, being a late symptom of dehydration, underlines the importance of maintaining hydration, especially during ongoing physical activities.
The process of perspiration is vital for the human body to get rid of excess warmth by allowing sweat to evaporate. With an abundance of moisture present in the air, the process of evaporation becomes less effective, and the body fails to cool down as it should, leading to the sensation of overheating. The body is at risk of dehydration and related complications when it fails to shed excessive heat.

Humidity

In São Luís do Quitunde, the average relative humidity in May is 83%.

Rainfall

In São Luís do Quitunde, during May, the rain falls for 24.1 days and regularly aggregates up to 102mm (4.02") of precipitation. In São Luís do Quitunde, during the entire year, the rain falls for 256.6 days and collects up to 686mm (27.01") of precipitation.

Daylight

The average length of the day in May is 11h and 41min.
On the first day of the month, sunrise is at 05:26 and sunset at 17:12. On the last day of May, in São Luís do Quitunde, sunrise is at 05:31 and sunset at 17:08 -03.

Sunshine

In May, the average sunshine in São Luís do Quitunde is 7.2h.

UV index

The months with the lowest UV index are April through September, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health hazard from unprotected exposure to Sun's UV rays for the average person.
Note: A maximum daily UV index of 6 during May morphs into the following directions:
Take precautions and utilize sun safety practices. Protection against skin and eye damage is required. Between 10 a.m. and 4 p.m., UV radiation is strongest. Make an effort to avoid direct sunlight during this time, remembering that shade structures may not provide full sun protection. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.

Frequently asked questions

The high-temperature, in May, in São Luís do Quitunde, records 28.9°C (84°F), while the low-temperature is 22.4°C (72.3°F). The average heat index (a.k.a. 'felt air temperature', 'real feel'), which combines air temperature and relative humidity, in May is computed to be 35°C (95°F).

In May, the average relative humidity is 83%.

In São Luís do Quitunde, Brazil, during May, the rain falls for 24.1 days and regularly aggregates up to 102mm (4.02") of precipitation.

The average day length in May in São Luís do Quitunde is 11h and 41min.

In May, on the first day of the month, sunrise is at 05:26 and sunset at 17:12. On the last day of the month, in São Luís do Quitunde, sunrise is at 05:31 and sunset at 17:08 -03.

In São Luís do Quitunde, the average sunshine duration in May is 7.2h.

The months with the lowest UV index are April through September, with an average maximum UV index of 6.

In São Luís do Quitunde, the average daily maximum UV index in May is 6. A UV Index estimate of 6 to 7 represents a high health threat from exposure to Sun's UV rays.
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 sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
São Luís do Quitunde, Brazil

  • Average high temperature in May: 28.9°C

The warmest month (with the highest average high temperature) is March (31.3°C).
The months with the lowest average high temperature are July and August (26.3°C).

  • Average low temperature in May: 22.4°C

The month with the highest average low temperature is March (24°C).
The coldest month (with the lowest average low temperature) is August (20.8°C).

Average pressure in May
São Luís do Quitunde, Brazil

  • Average pressure in May: 1014.1mbar

The month with the highest atmospheric pressure is August (1017.2mbar).
The month with the lowest atmospheric pressure is March (1012.2mbar).

Average wind speed in May
São Luís do Quitunde, Brazil

  • Average wind speed in May: 8.9km/h

The windiest month (with the highest average wind speed) is November (13.4km/h).
The calmest month (with the lowest average wind speed) is May (8.9km/h).

Average humidity in May
São Luís do Quitunde, Brazil

  • Average humidity in May: 83%

The months with the highest relative humidity are June and July (84%).
The months with the lowest relative humidity are March and December (74%).

Average rainfall in May
São Luís do Quitunde, Brazil

  • Average rainfall in May: 102mm

The wettest month (with the highest rainfall) is July (105mm).
The driest month (with the least rainfall) is November (21mm).

Average rainfall days in May
São Luís do Quitunde, Brazil

  • Average rainfall days in May: 24.1 days

The month with the highest number of rainy days is July (26.5 days).
The month with the least rainy days is November (15.3 days).

Average daylight in May /
Average sunshine in May
São Luís do Quitunde, Brazil

  • Average daylight in May: 11h and 42min

The month with the longest days is December (Average daylight: 12h and 42min).
The month with the shortest days is June (Average daylight: 11h and 36min).

  • Average sunshine in May: 7h and 12min

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

Average sunshine days in May
São Luís do Quitunde, Brazil

  • Average sunshine days in May: 3.8 days

The month with the most sunshine days is December (7 days).
The month with the least sunshine days is June (2.3 days).

Average UV index in May
São Luís do Quitunde, Brazil

  • Average UV index in May: 6

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

Average cloud cover in May
São Luís do Quitunde, Brazil

  • Average cloud cover in May: 48

The month with the most cloud cover is July (Cloud cover 52).
The month with the least cloud cover is March (Cloud cover 39).

Average visibility in May
São Luís do Quitunde, Brazil

  • Average visibility in May: 9km

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