May weather forecastSão Mateus, Brazil
May
Weather in May
The last month of the autumn, May, is also a moderately hot month in São Mateus, Brazil, with an average temperature varying between 20.7°C (69.3°F) and 27.1°C (80.8°F).Temperature
With the arrival of May, São Mateus's average high-temperature registers at a still warm 27.1°C (80.8°F), indicating a subtle variation from the previous month. During May, São Mateus experiences a consistent low-temperature average of 20.7°C (69.3°F).Heat index
The heat index value for May is appraised at a tropical 30°C (86°F). Exhaustion is likely with prolonged exposure and activity. Sustaining activity may result in heat cramps.In the scope of the heat index, its values resonate with shade and light wind conditions. In the presence of direct sunshine, the heat index could be augmented by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', gives a temperature feeling by integrating air temperature and humidity. The individual's impression of temperature can be affected by numerous factors such as metabolic variations, physical exertion, and attire. It is noteworthy to mention that direct sunlight exposure can augment the felt temperature, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially vital to children. Youngsters are usually more at risk than adults, considering they sweat less. Additionally, their high skin surface area compared to their little bodies and their high heat production due to activity increases their risk.
Humidity
The average relative humidity in May in São Mateus is 81%.Rainfall
In São Mateus, in May, during 13.3 rainfall days, 34mm (1.34") of precipitation is typically accumulated. Throughout the year, in São Mateus, there are 194.6 rainfall days, and 770mm (30.31") of precipitation is accumulated.Daylight
The average length of the day in May in São Mateus, Brazil, is 11h and 14min.On the first day of the month, sunrise is at 05:54 and sunset at 17:18. On the last day of May, sunrise is at 06:04 and sunset at 17:09 -03.
Sunshine
In São Mateus, Brazil, the average sunshine in May is 7.8h.UV index
The months with the lowest UV index in São Mateus are April through November, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: In May, the maximum UV index of 6 translates into these guidelines:
Beware of overexposure. Fair-skinned individuals risk burning in less than 20 minutes. Seek shade and limit direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Keep in mind that shade structures like parasols or canopies do not offer complete sun protection. During bright days, sunglasses that offer UVA and UVB defense are recommended.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
São Mateus, Brazil
- Average high temperature in May: 27.1°C
The warmest month (with the highest average high temperature) is February (30.1°C).
The month with the lowest average high temperature is July (25.7°C).
- Average low temperature in May: 20.7°C
The month with the highest average low temperature is February (23.2°C).
The coldest month (with the lowest average low temperature) is July (19.2°C).
Average pressure in May
São Mateus, Brazil
- Average pressure in May: 1017mbar
The month with the highest atmospheric pressure is July (1020.5mbar).
The month with the lowest atmospheric pressure is December (1012.8mbar).
Average wind speed in May
São Mateus, Brazil
- Average wind speed in May: 9.8km/h
The windiest month (with the highest average wind speed) is October (13.2km/h).
The calmest month (with the lowest average wind speed) is April (9.7km/h).
Average humidity in May
São Mateus, Brazil
- Average humidity in May: 81%
The months with the highest relative humidity are March, April, June, November and December (82%).
The month with the lowest relative humidity is September (76%).
Average rainfall in May
São Mateus, Brazil
- Average rainfall in May: 34mm
The wettest month (with the highest rainfall) is December (143mm).
The driest month (with the least rainfall) is September (17mm).
Average rainfall days in May
São Mateus, Brazil
- Average rainfall days in May: 13.3 days
The month with the highest number of rainy days is March (20.7 days).
The month with the least rainy days is September (11.1 days).
Average daylight in May /
Average sunshine in May
São Mateus, Brazil
- Average daylight in May: 11h and 12min
The month with the longest days is December (Average daylight: 13h and 12min).
The month with the shortest days is June (Average daylight: 11h and 0min).
- Average sunshine in May: 7h and 48min
The month with the most sunshine is February (Average sunshine: 9h and 0min).
The month with the least sunshine is October (Average sunshine: 7h and 0min).
Average sunshine days in May
São Mateus, Brazil
- Average sunshine days in May: 15.9 days
The month with the most sunshine days is May (15.9 days).
The month with the least sunshine days is March (7.8 days).
Average UV index in May
São Mateus, Brazil
- Average UV index in May: 6
The months with the highest UV index are January, February, March and December (UV index 7).
The months with the lowest UV index are April, May, June, July, August, September, October and November (UV index 6).
Average cloud cover in May
São Mateus, Brazil
- Average cloud cover in May: 40
The month with the most cloud cover is November (Cloud cover 52).
The month with the least cloud cover is February (Cloud cover 32).
Average visibility in May
São Mateus, Brazil
- Average visibility in May: 9km
The months with the highest visibility are February, August, September and October (10km).
The months with the lowest visibility are January, March, April, May, June, July, November and December (9km).
