May weather forecastVega Baja, PR

May

Weather in May

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

An average high-temperature of a still moderately hot 83.1°F (28.4°C) marks May, exhibiting a close resemblance to the conditions in April. During the nights of May, Vega Baja maintains an almost steady temperature with an average low of 75.6°F (24.2°C).

Heat index

For May, the heat index is calculated to be a hot 91.4°F (33°C). Take special precautions - heat exhaustion and heat cramps are expected. Heatstroke may occur with lengthy activity.
Understand that the heat index values take into account shaded locations and mild winds. The presence of direct sunlight can raise the heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', is a composite of temperature and humidity figures to convey how warm it feels. A person's impression of weather can be affected by numerous aspects, among them metabolic variations, pregnancy, and activity levels. Understand that direct sun rays can influence the weather's impact, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular significance for children. Young ones regularly neglect the requirement for rest and fluid replenishment. Thirst is a late stage of dehydration - so, it is necessary to keep hydrated, particularly during extended periods of physical exertion.

Humidity

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

Rainfall

May is the month with the most rainfall. Rain falls for 22.9 days and accumulates 4.02" (102mm) of precipitation.

Daylight

In Vega Baja, 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

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 value of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV radiation for the average person.
Note: An average maximum UV index of 7 in May leads to these recommendations:
Employ safeguards and advocate sun safety protocols. Shielding against skin and eye damage is crucial. Avoid exposure to the Sun and try to stay in the shade between 10 a.m. and 4 p.m., when UV radiation is most potent, but be aware that parasols or canopies may not offer full protection. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.

Updated: Jun 24, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

The high-temperature, in May, in Vega Baja, is 83.1°F (28.4°C), while the low-temperature averages to 75.6°F (24.2°C). In May, the average heat index (a.k.a. 'apparent temperature', 'feels like'), which takes the relative humidity and factors it into the air temperature reading, is calculated to be 91.4°F (33°C).

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

In May, the average relative humidity is 79%.

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.

In Vega Baja, in May, during 22.9 rainfall days, 4.02" (102mm) of precipitation is typically accumulated.

The average day length in May is 13h and 1min.

In May, on the first day of the month, 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.

In May, the average sunshine duration is 10.6h.

April through November, with an average maximum UV index of 7, are months with the highest UV index.

In Vega Baja, the average daily maximum UV index in May is 7. A UV Index of 6 to 7 symbolizes a high health risk from unprotected exposure to UV radiation.

Today

Tomorrow

Long-term

Year J F M A May J J A S O N D

Apr

May

Jun

Average high temperature

81.7°F

83.1°F

84.6°F

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

9.1mph

8.6mph

9.4mph

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average daylight

Average sunshine

Average sunshine days

7.8

5.9

8.8

Average UV index

Average cloud cover

Average visibility

Average temperature in May
Vega Baja, PR

Average high temperature in May: 83.1°F

The warmest month (with the highest average high temperature) is August (85.6°F).
The month with the lowest average high temperature is March (80.2°F).

Average low temperature in May: 75.6°F

The month with the highest average low temperature is August (78.4°F).
The coldest month (with the lowest average low temperature) is March (72.5°F).

Average pressure in May
Vega Baja, PR

Average pressure in May: 29.98"Hg

The month with the highest atmospheric pressure is January (30.02"Hg).
The month with the lowest atmospheric pressure is October (29.9"Hg).

Average wind speed in May
Vega Baja, PR

Average wind speed in May: 8.1mph

The windiest month (with the highest average wind speed) is July (9.9mph).
The calmest month (with the lowest average wind speed) is October (6.8mph).

Average humidity in May
Vega Baja, PR

Average humidity in May: 79%

The months with the highest relative humidity are May, June, July, October and November (79%).
The months with the lowest relative humidity are February, March and April (77%).

Average rainfall in May
Vega Baja, PR

Average rainfall in May: 4.02"

The wettest month (with the highest rainfall) is May (4.02").
The driest month (with the least rainfall) is February (0.91").

Average rainfall days in May
Vega Baja, PR

Average rainfall days in May: 22.9 days

The month with the highest number of rainy days is May (22.9 days).
The month with the least rainy days is January (13.3 days).

Average daylight in May /
Average sunshine in May
Vega Baja, PR

Average daylight in May: 13h and 0min

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

Average sunshine in May: 10h and 36min

The month with the most sunshine is June (Average sunshine: 10h and 54min).
The month with the least sunshine is November (Average sunshine: 6h and 48min).

Average sunshine days in May
Vega Baja, PR

Average sunshine days in May: 5.9 days

The month with the most sunshine days is January (12.3 days).
The month with the least sunshine days is May (5.9 days).

Average UV index in May
Vega Baja, PR

Average UV index in May: 7

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

Average cloud cover in May
Vega Baja, PR

Average cloud cover in May: 34

The month with the most cloud cover is May (Cloud cover 34).
The month with the least cloud cover is September (Cloud cover 25).

Average visibility in May
Vega Baja, PR

Average visibility in May: 6mi

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