May weather forecast
Vega Baja, PR

Entering May, Vega Baja witnesses the onset of high humidity levels, a precursor to the upcoming summer solstice. May registers a sizable enhancement in the high temperature rising up to 83.1°F (28.4°C), while the low temperature hovers around 75.6°F (24.2°C). It brings along the highest rainfall of the year, measuring 4.02" (102mm). The city enjoys extended daylight hours juxtaposed with intermittent showers, making every sunset a breathtaking spectacle. The arrival of the rainy season in Vega Baja is signed off by May, paving the way for the hottest month of the year.

Temperature

The shift to May signals an average high-temperature of a still moderately hot 83.1°F (28.4°C), subtly varied from April's 81.7°F (27.6°C). Vega Baja's nights in May maintain a consistent average of 75.6°F (24.2°C), demonstrating a minimal differential from its daytime temperature.

Heat index

The average heat index in May is estimated at a tropical 91.4°F (33°C). Heightened precautions are necessary, heat cramps and heat exhaustion are potential risks. Continuous activity could lead to heatstroke.
Records show heat index calculations are tailored for shaded regions and mild winds. Direct sunlight can cause a surge in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', shows a temperature sensation when both heat and moisture conditions are combined. The impact of weather is individual, with diverse individuals experiencing it differently due to variations in body mass, height, and activity levels. 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 highly important for children. Young ones are generally more prone to risk than adults due to their reduced ability to sweat. Their large skin surface area relative to their diminutive bodies and elevated heat production from their activities further enhance this risk.

Humidity

May through July, October and November, with an average relative humidity of 79%, are the most humid months in Vega Baja.

Rainfall

The month with the most rainfall is May, when the rain falls for 22.9 days and typically aggregates up to 4.02" (102mm) of precipitation.

Daylight

The average length of the day in May in Vega Baja, Puerto Rico, is 13h and 1min.
On the first day of the month, sunrise is at 5:57 am and sunset at 6:47 pm. On the last day of May, in Vega Baja, sunrise is at 5:48 am and sunset at 6:58 pm AST.

Sunshine

In Vega Baja, the average sunshine in May is 10.6h.

UV index

April through November, with an average maximum UV index of 7, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: In May, the average maximum UV index of 7 translates into the following recommendations:
Adhere to precautions and respect sun safety doctrines. Avoiding sunburn is vital. Limit your direct sun exposure, especially between 10 a.m. and 4 p.m., when UV radiation is strongest. Shade structures might not provide complete sun protection. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.