May weather forecastJanuária, Brazil

May

Weather in May

The last month of the autumn, May, is another warm month in Januária, Brazil, with temperature in the range of an average low of 17.4°C (63.3°F) and an average high of 28.2°C (82.8°F).

Temperature

May observes an average high-temperature of a still warm 28.2°C (82.8°F), marking an insignificant difference from April's 28.8°C (83.8°F). During the May nights, an average temperature of 17.4°C (63.3°F) is observed.

Heat index

The heat index for May is appraised at a hot 32°C (89.6°F). Exhaustion might be the outcome of enduring exposure and continuous activity, with a risk of heat cramps.
Realize that the values for the heat index are set for shaded places and light winds. Heat index values might soar by up to 15 Fahrenheit (8 Celsius) degrees with exposure to direct sunshine.
Note: The heat index, also known as 'real feel' or 'felt air temperature', combines air temperature and relative humidity to represent a human perceived temperature equivalent. Additional factors encompassing metabolic differences, the level of physical activity, and clothing can impact the individual's perception of temperature. Direct exposure to the sun's rays can enhance the felt temperature, increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to babies and toddlers. Younglings are generally more in peril than adults due to their reduced perspiration. Coupled with a larger skin surface relative to their tiny bodies and greater heat production because of their activity, they become more at risk.

Humidity

In May, the average relative humidity is 75%.

Rainfall

In Januária, in May, during 7.8 rainfall days, 16mm (0.63") of precipitation is typically accumulated. In Januária, during the entire year, the rain falls for 145.3 days and collects up to 689mm (27.13") of precipitation.

Daylight

The average length of the day in May in Januária is 11h and 23min.
On the first day of May in Januária, sunrise is at 06:08 and sunset at 17:40. On the last day of the month, sunrise is at 06:17 and sunset at 17:33 -03.

Sunshine

In May, the average sunshine in Januária is 8.9h.

UV index

January through July, October through December, with an average maximum UV index of 6, are months with the lowest UV index in Januária. A UV Index estimate of 6 to 7 represents a high health hazard from exposure to the Sun's UV radiation for the ordinary person.
Note: In May, the average maximum UV index of 6 translates into the following recommendations:
Stay clear of intense sun exposure. Solar protection is of utmost significance. Minimize exposure to direct sunlight and seek shade from 10 a.m. to 4 p.m., when UV radiation is most intense, but remember that shade structures may not offer complete protection. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.

Frequently asked questions

An average high-temperature, in May, in Januária, is 28.2°C (82.8°F) and the average low-temperature is 17.4°C (63.3°F). In May, the average heat index (a.k.a. 'felt air temperature', 'real feel'), which combines air temperature and relative humidity, is appraised at 32°C (89.6°F).

In Januária, Brazil, the average relative humidity in May is 75%.

In Januária, Brazil, during May, the rain falls for 7.8 days and regularly aggregates up to 16mm (0.63") of precipitation.

In May, the average day length in Januária is 11h and 23min.

On the first day of May in Januária, sunrise is at 06:08 and sunset at 17:40. On the last day of the month, sunrise is at 06:17 and sunset at 17:33 -03.

The average sunshine duration in May is 8.9h.

The months with the lowest UV index are January through July, October through December, with an average maximum UV index of 6.

In Januária, the average daily maximum UV index in May is 6. A UV Index reading of 6 to 7 represents a high health threat from unsafe 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
Januária, Brazil

  • Average high temperature in May: 28.2°C

The warmest month (with the highest average high temperature) is September (32.9°C).
The month with the lowest average high temperature is June (27.9°C).

  • Average low temperature in May: 17.4°C

The month with the highest average low temperature is October (20.5°C).
The coldest month (with the lowest average low temperature) is July (15.8°C).

Average pressure in May
Januária, Brazil

  • Average pressure in May: 1015.8mbar

The month with the highest atmospheric pressure is July (1018.4mbar).
The month with the lowest atmospheric pressure is November (1011.6mbar).

Average wind speed in May
Januária, Brazil

  • Average wind speed in May: 6.9km/h

The windiest month (with the highest average wind speed) is September (9.7km/h).
The calmest month (with the lowest average wind speed) is March (6km/h).

Average humidity in May
Januária, Brazil

  • Average humidity in May: 75%

The month with the highest relative humidity is March (82%).
The month with the lowest relative humidity is September (46%).

Average rainfall in May
Januária, Brazil

  • Average rainfall in May: 16mm

The wettest month (with the highest rainfall) is December (120mm).
The driest month (with the least rainfall) is July (1mm).

Average rainfall days in May
Januária, Brazil

  • Average rainfall days in May: 7.8 days

The month with the highest number of rainy days is November (21.7 days).
The month with the least rainy days is July (1.4 days).

Average daylight in May /
Average sunshine in May
Januária, Brazil

  • Average daylight in May: 11h and 24min

The month with the longest days is December (Average daylight: 13h and 0min).
The month with the shortest days is June (Average daylight: 11h and 12min).

  • Average sunshine in May: 8h and 54min

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

Average sunshine days in May
Januária, Brazil

  • Average sunshine days in May: 21.8 days

The month with the most sunshine days is July (29.8 days).
The month with the least sunshine days is November (7 days).

Average UV index in May
Januária, Brazil

  • Average UV index in May: 6

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

Average cloud cover in May
Januária, Brazil

  • Average cloud cover in May: 34

The month with the most cloud cover is November (Cloud cover 47).
The month with the least cloud cover is September (Cloud cover 14).

Average visibility in May
Januária, Brazil

  • Average visibility in May: 9km

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