Contents
- Weather in May
- Frequently asked questions
- Average temperature in May
- Average pressure in May
- Average wind speed in May
- Average humidity in May
- Average rainfall in May
- Average rainfall days in May
- Average daylight in May
- Average sunshine in May
- Average sunshine days in May
- Average UV index in May
- Average cloud cover in May
- Average visibility in May
Weather in May
Temperature
The initiation of May records an average high-temperature of a still moderately hot 82.6°F (28.1°C), displaying a near consistency with the previous month. In Toa Baja, the month of May brings a consistent average low-temperature of 75.7°F (24.3°C), slightly cooler than its daytime highs.Heat index
May's heat index is calculated to be a hot 89.6°F (32°C). If exposure and ongoing activity persist, they might induce a state of tiredness and heat cramps.It is noted that heat index values are ascertained for locations in the shade and with gentle breezes. Exposure to unobstructed sunshine could lead to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', gives an indication of how one might feel in terms of heat after considering humidity. Elements such as metabolic variations, being pregnant, and physical activity can impact one's weather perception. Direct sun rays can make one feel hotter, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. Young ones often disregard the necessity to rest and hydrate. Thirst usually indicates advanced dehydration - hence, it is key to stay hydrated, particularly during ongoing physical activities.
Humidity
May through July and November, with an average relative humidity of 79%, are the most humid months.Rainfall
In Toa Baja, in May, during 22.7 rainfall days, 3.43" (87mm) of precipitation is typically accumulated. Throughout the year, there are 223.5 rainfall days, and 27.95" (710mm) of precipitation is accumulated.Daylight
In Toa Baja, the average length of the day in May is 13h and 1min.On the first day of the month, sunrise is at 5:57 am and sunset at 6:46 pm. On the last day of May, sunrise is at 5:47 am and sunset at 6:57 pm AST.
Sunshine
May and June, with an average of 10.8h of sunshine, are months with the most sunshine.UV index
May 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 threat to health 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 safeguards and heed sun safety doctrines. Keeping sunburn at bay is of prime importance. It's important to stay in the shade and limit exposure to the sun from 10 a.m. to 4 p.m., when UV radiation is most intense, although remember that shade structures may not provide full sun protection. Stay sun-safe with clothing that is both closely woven and worn loosely.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot is May?
What is the most humid month?
What is the average humidity in May?
How many days does it rain in May?
How many hours of daylight does Toa Baja have in May?
When is the sunrise / sunset in May?
What is the month with the most sunshine?
How many hours of sunshine does Toa Baja have in May?
What are the months with the highest UV index?
What is the UV index intensity in May?
Average temperature in May
Toa Baja, PR
- Average high temperature in May: 82.6°F
The warmest month (with the highest average high temperature) is August (85.5°F).
The month with the lowest average high temperature is January (79.9°F).
- Average low temperature in May: 75.7°F
The months with the highest average low temperature are August, September and October (78.4°F).
The coldest month (with the lowest average low temperature) is March (73°F).
Average pressure in May
Toa Baja, PR
- Average pressure in May: 29.98"Hg
The months with the highest atmospheric pressure are January and February (30.02"Hg).
The month with the lowest atmospheric pressure is October (29.9"Hg).
Average wind speed in May
Toa Baja, PR
- Average wind speed in May: 8.4mph
The windiest month (with the highest average wind speed) is July (10mph).
The calmest month (with the lowest average wind speed) is October (6.8mph).
Average humidity in May
Toa Baja, PR
- Average humidity in May: 79%
The months with the highest relative humidity are May, June, July and November (79%).
The month with the lowest relative humidity is March (76%).
Average rainfall in May
Toa Baja, PR
- Average rainfall in May: 3.43"
The wettest month (with the highest rainfall) is October (3.82").
The driest month (with the least rainfall) is February (0.94").
Average rainfall days in May
Toa Baja, PR
- Average rainfall days in May: 22.7 days
The month with the highest number of rainy days is October (24 days).
The months with the least rainy days are January and February (14.2 days).
Average daylight in May /
Average sunshine in May
Toa 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 5min
The months with the most sunshine are May and June (Average sunshine: 10h and 48min).
The month with the least sunshine is November (Average sunshine: 6h and 42min).
Average sunshine days in May
Toa Baja, PR
- Average sunshine days in May: 5 days
The month with the most sunshine days is January (9.8 days).
The months with the least sunshine days are October and November (3.5 days).
Average UV index in May
Toa Baja, PR
- Average UV index in May: 7
The months with the highest UV index are May, June, July, August, September, October and November (UV index 7).
The months with the lowest UV index are January, February, March, April and December (UV index 6).
Average cloud cover in May
Toa Baja, PR
- Average cloud cover in May: 34
The months with the most cloud cover are May, July and November (Cloud cover 34).
The month with the least cloud cover is September (Cloud cover 26).
Average visibility in May
Toa 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).
Toa Baja, Puerto Rico, USA
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