May weather forecastGuaiúba, Brazil
May
Weather in May
May, the last month of the autumn in Guaiúba, is another tropical month, with an average temperature fluctuating between 23.4°C (74.1°F) and 30.5°C (86.9°F).Temperature
May's presence records an average high-temperature of a still tropical 30.5°C (86.9°F), closely mirroring April's climate. In May, the recorded average low-temperature in Guaiúba is a warm 23.4°C (74.1°F).Heat index
The average heat index in May is evaluated at a sweltering 39°C (102.2°F). Adopt heightened preventive measures, heat exhaustion and heat cramps are probable. Persistent activity could lead to heatstroke.Heat index readings emphasize conditions of light breezes and shaded spots. Direct sunlight exposure may cause a 15 Fahrenheit (8 Celsius) degrees rise in the heat index.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', is a calculation that merges air temperature and relative humidity to depict the sensation of warmth. The effect is experienced differently by individuals, hinging on unique characteristics such as body mass, stature, and level of activity. Realize that direct exposure to sunlight can augment the felt heat, leading to a potential increase in the heat index 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 human body normally cools itself by perspiration, as evaporated sweat carries heat away from the body. When the level of relative humidity is elevated, evaporation diminishes, causing more warmth to be retained in the body than in dry air. Temperature imbalances caused by excessive heat retention can trigger heat-related maladies.
Humidity
In May, the average relative humidity in Guaiúba is 80%.Rainfall
In Guaiúba, in May, it is raining for 20.6 days, with typically 70mm (2.76") of accumulated precipitation. In Guaiúba, during the entire year, the rain falls for 183.1 days and collects up to 511mm (20.12") of precipitation.Daylight
In Guaiúba, the average length of the day in May is 11h and 56min.On the first day of the month, sunrise is at 05:32 and sunset at 17:30. On the last day of May, in Guaiúba, sunrise is at 05:35 and sunset at 17:29 -03.
Sunshine
The average sunshine in May is 7.5h.UV index
The months with the highest UV index are January through March, May through December, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high health hazard from unprotected exposure to Sun's UV rays for the average person.Note: An average maximum UV index of 7 in May leads to these recommendations:
Implement precautions and maintain sun safety methods. Avoidance of sunburn is demanded. The Sun's UV radiation is most intense from 10 a.m. to 4 p.m. Try to avoid direct sun exposure during these hours. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Guaiúba, Brazil
- Average high temperature in May: 30.5°C
The warmest month (with the highest average high temperature) is October (32.5°C).
The month with the lowest average high temperature is June (30.3°C).
- Average low temperature in May: 23.4°C
The month with the highest average low temperature is December (24.6°C).
The coldest month (with the lowest average low temperature) is July (21.8°C).
Average pressure in May
Guaiúba, Brazil
- Average pressure in May: 1011.9mbar
The month with the highest atmospheric pressure is July (1013.9mbar).
The month with the lowest atmospheric pressure is November (1010.3mbar).
Average wind speed in May
Guaiúba, Brazil
- Average wind speed in May: 12.4km/h
The windiest month (with the highest average wind speed) is September (19.2km/h).
The calmest month (with the lowest average wind speed) is April (11.2km/h).
Average humidity in May
Guaiúba, Brazil
- Average humidity in May: 80%
The month with the highest relative humidity is April (81%).
The months with the lowest relative humidity are September and October (68%).
Average rainfall in May
Guaiúba, Brazil
- Average rainfall in May: 70mm
The wettest month (with the highest rainfall) is April (94mm).
The driest month (with the least rainfall) is September (3mm).
Average rainfall days in May
Guaiúba, Brazil
- Average rainfall days in May: 20.6 days
The month with the highest number of rainy days is April (23.8 days).
The month with the least rainy days is September (5.6 days).
Average daylight in May /
Average sunshine in May
Guaiúba, Brazil
- Average daylight in May: 11h and 54min
The month with the longest days is December (Average daylight: 12h and 24min).
The month with the shortest days is June (Average daylight: 11h and 54min).
- Average sunshine in May: 7h and 30min
The month with the most sunshine is August (Average sunshine: 9h and 6min).
The month with the least sunshine is March (Average sunshine: 6h and 54min).
Average sunshine days in May
Guaiúba, Brazil
- Average sunshine days in May: 7.8 days
The month with the most sunshine days is September (20.9 days).
The month with the least sunshine days is April (3.7 days).
Average UV index in May
Guaiúba, Brazil
- Average UV index in May: 7
The months with the highest UV index are January, February, March, May, June, July, August, September, October, November and December (UV index 7).
The month with the lowest UV index is April (UV index 6).
Average cloud cover in May
Guaiúba, Brazil
- Average cloud cover in May: 41
The month with the most cloud cover is March (Cloud cover 46).
The month with the least cloud cover is August (Cloud cover 25).
Average visibility in May
Guaiúba, 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).
