May weather forecast
Unión Roja, Mexico

The last month of the spring, May, is another tropical month in Unión Roja, Mexico, with an average temperature ranging between min 25.1°C (77.2°F) and max 31.4°C (88.5°F).

Temperature

As Unión Roja welcomes May, the average high-temperature stabilizes at a still tropical 31.4°C (88.5°F), showing little deviation from April's 31.8°C (89.2°F). Throughout May, Unión Roja registers a consistent average low-temperature of 25.1°C (77.2°F).

Heat index

The average heat index in May is estimated at a fiery hot 39°C (102.2°F). Heightened safety actions are necessary, heat cramps and heat exhaustion are probable. Persistent activity may lead to heatstroke.
The heat index's values are generally associated with conditions in shade and light breezes. The heat index may experience an enhancement of 15 Fahrenheit (8 Celsius) degrees under direct sunlight.
Note: The heat index, also known as 'feels like' or 'apparent temperature', blends air temperature and moisture content to represent the felt temperature to humans. A person's impression of weather can be shaped by many aspects, among them metabolic variations, pregnancy, and levels of physical activity. Being under direct sunshine can magnify the heat experience, possibly pushing up the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for babies and toddlers. Young people are generally more susceptible than adults because they perspire less. Furthermore, their proportionally larger skin surface to their petite bodies and the increased heat output from their actions add to the risk.
The natural cooling mechanism in humans involves perspiration, where the evaporation of sweat balances out excessive warmth. When the level of relative humidity is elevated, evaporation diminishes, causing more warmth to be retained in the body than in dry air. The body faces dehydration threats when its cooling efforts are outpaced by excessive heat gain.

Humidity

The average relative humidity in May is 71%.

Rainfall

The month with the most rainfall is May, when the rain falls for 29.1 days and typically aggregates up to 244mm (9.61") of precipitation.

Daylight

The average length of the day in May is 12h and 50min.
On the first day of the month, sunrise is at 5:45 am and sunset at 6:26 pm. On the last day of May, in Unión Roja, sunrise is at 5:37 am and sunset at 6:35 pm CST.

Sunshine

The months with the most sunshine are May and July, with an average of 11.2h of sunshine.

UV index

The months with the highest UV index are January through December, with an average maximum UV index of 7. The months with the lowest UV index in Unión Roja are January through December, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV rays for the average person.
Note: A typical high UV index of 7 in May suggests the following recommendations:
Use protective steps and abide by sun safety guidelines. Safeguarding against skin and eye harm is necessary. Avoid direct sunlight between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Keep in mind that shade structures may not provide complete protection. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.