May weather forecast
Vega Alta, PR

May witnesses the highest temperature of 82.6°F (28.1°C) and consequently, a rise in the relative humidity of the area. Vega Alta experiences an increase in daylight hours, reaching 13 hours per day. Cloud cover experiences a marginal rise compared to April providing some respite from the rising temperatures. Despite the rise in temperature and humidity, the wind speed in May shows a slight decrease. With a UV index of 7, the month indicates an increased necessity for sun protection during outdoor activities.

Temperature

The arrival of May denotes a barely perceptible change in the average high-temperatures to a still moderately hot 82.6°F (28.1°C) from April's 81.1°F (27.3°C). A modest dip in temperatures to an average of 75.7°F (24.3°C) is observed throughout Vega Alta's May nights.

Heat index

May's average heat index is estimated at a tropical 89.6°F (32°C). If one continues to be active during exposure, it might cause tiredness and subsequent heat cramps.
In reference to the heat index, it's for places in shade and with a slight wind. Uninterrupted exposure to the sun may boost the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', binds temperature metrics with humidity values to give a sense of the actual warmth. This effect is personal, shaped by the individual's physical activity and heat sensitivity, influenced by factors including wind, clothing, and metabolic variances. Direct sunlight can potentially raise the heat index by 15 Fahrenheit (8 Celsius) degrees, so it's crucial to consider. Heat index values are extremely vital to babies and toddlers. Kids are usually in more danger than grown-ups as they tend to sweat less. Plus, their bigger skin surface in relation to their small frames and increased heat generation due to their activity level make them more susceptible.

Humidity

The months with the highest humidity are May through July and November, with an average relative humidity of 79%.

Rainfall

In Vega Alta, during May, the rain falls for 22.7 days and regularly aggregates up to 3.43" (87mm) of precipitation. Throughout the year, in Vega Alta, there are 223.5 rainfall days, and 27.95" (710mm) of precipitation is accumulated.

Daylight

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

Sunshine

The months with the most sunshine are May and June, with an average of 10.8h of sunshine.

UV index

The months with the highest UV index in Vega Alta are May through November, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high health risk from unsafe exposure to UV radiation for ordinary individuals.
Note: A maximum daily UV index of 7 during May morphs into the following directions:
Persist with precautions and heed sun safety advice. Prevention of sunburn is compulsory. The Sun's UV radiation is most potent between the hours of 10 a.m. and 4 p.m. Try to avoid direct sunlight during this time. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.