May weather forecastAdjuntas, PR
May
Weather in May
In May, Adjuntas experiences an increase in temperatures, making the environment distinctly hotter than the preceding months. The high temperature climbs up to 84.7°F (29.3°C), easily the highest so far in the year. True to the season, rainfall jumps noticeably to 2.05" (52mm), which is distributed through 21.6 days of the month. As sunlight continues to blanket the city for 13 hours, the wind speeds up a little to 7.2mph (11.6km/h), facilitating cooling. Despite the rising temperatures, outdoor activities are abundantly favored owing to the longer daylight hours.Temperature
Adjuntas's weather, upon May's arrival, documents an average high-temperature of a still moderately hot 84.7°F (29.3°C), nearly identical to the prior month. Throughout May, an average low-temperature of 74.7°F (23.7°C) is expected in Adjuntas, Puerto Rico.Heat index
The average heat index in May is appraised at a sweltering 95°F (35°C). Exercise increased caution, heat cramps and heat exhaustion are potential hazards. Continuous activity could lead to heatstroke.It is noted that heat index values are ascertained for locations in the shade and with gentle breezes. Heat index values may rise by up to 15 Fahrenheit (8 Celsius) degrees when exposed to direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', is a metric representing the sensation of warmth when air temperature and moisture come together. This effect is subjective, differing among individuals based on their physical activity and perception of heat, which can be influenced by factors like wind, clothing, and metabolic variances. Keep it in mind, direct sunlight can augment the heat you experience, possibly pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are largely significant for babies and toddlers. Young ones often underestimate the need for rest and rehydration. Thirst appears late in dehydration - hence, it is important to keep hydrated, particularly during prolonged physical activities.
Through perspiration, the body has a natural mechanism to eliminate excessive heat via sweat evaporation. Increased relative humidity slows down evaporation, thereby decreasing the rate of heat removal from the body, culminating in a sensation of overheating. When heat gain exceeds the level the body can remove, body temperature begins to rise, and heat-related illnesses and disorders may develop.
Humidity
In May, the average relative humidity is 77%.Rainfall
In May, the rain falls for 21.6 days. Throughout May, 2.05" (52mm) of precipitation is accumulated. In Adjuntas, during the entire year, the rain falls for 224.9 days and collects up to 23.58" (599mm) of precipitation.Snowfall
January through August, October through December are months without snowfall in Adjuntas, Puerto Rico.Daylight
In Adjuntas, Puerto Rico, the average length of the day in May is 12h and 59min.On the first day of May in Adjuntas, sunrise is at 5:59 am and sunset at 6:48 pm. On the last day of the month, sunrise is at 5:50 am and sunset at 6:59 pm AST.
Sunshine
In May, the average sunshine in Adjuntas is 10.7h.UV index
April through October, with an average maximum UV index of 7, are months with the highest UV index. A UV Index reading of 6 to 7 represents a high threat to health from unsafe exposure to UV radiation for the average person.Note: The average daily UV index of 7 in May transforms into the following instructions:
Adopt measures and apply sun safety strategies. Shielding from skin and eye damage is necessary. Attempt to stay under shade and limit exposure to the Sun between 10 a.m. and 4 p.m., when UV radiation is at its peak. Remember, devices such as parasols or canopies might not provide complete sun protection. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Adjuntas, PR
- Average high temperature in May: 84.7°F
The warmest month (with the highest average high temperature) is August (86.5°F).
The month with the lowest average high temperature is January (81.9°F).
- Average low temperature in May: 74.7°F
The months with the highest average low temperature are July, August and October (76.6°F).
The coldest month (with the lowest average low temperature) is March (71.4°F).
Average pressure in May
Adjuntas, PR
- Average pressure in May: 29.97"Hg
The months with the highest atmospheric pressure are January and February (30.01"Hg).
The month with the lowest atmospheric pressure is October (29.89"Hg).
Average wind speed in May
Adjuntas, PR
- Average wind speed in May: 7.2mph
The windiest month (with the highest average wind speed) is July (8mph).
The calmest month (with the lowest average wind speed) is November (5.6mph).
Average humidity in May
Adjuntas, PR
- Average humidity in May: 77%
The month with the highest relative humidity is November (80%).
The month with the lowest relative humidity is March (75%).
Average rainfall in May
Adjuntas, PR
- Average rainfall in May: 2.05"
The wettest month (with the highest rainfall) is September (3.58").
The driest month (with the least rainfall) is January (0.71").
Average rainfall days in May
Adjuntas, PR
- Average rainfall days in May: 21.6 days
The month with the highest number of rainy days is November (22.5 days).
The month with the least rainy days is February (14.8 days).
Average snowfall days in May
Adjuntas, PR
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is September (0.1 days).
The months with the least snowfall days are January, February, March, April, May, June, July, August, October, November and December (0 days).
Average daylight in May /
Average sunshine in May
Adjuntas, 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 6min).
- Average sunshine in May: 10h and 42min
The month with the most sunshine is June (Average sunshine: 11h and 18min).
The month with the least sunshine is November (Average sunshine: 7h and 6min).
Average sunshine days in May
Adjuntas, PR
- Average sunshine days in May: 7.3 days
The month with the most sunshine days is June (12.2 days).
The month with the least sunshine days is November (5.1 days).
Average UV index in May
Adjuntas, PR
- Average UV index in May: 7
The months with the highest UV index are April, May, June, July, August, September and October (UV index 7).
The months with the lowest UV index are January, February, March, November and December (UV index 6).
Average cloud cover in May
Adjuntas, PR
- Average cloud cover in May: 30
The month with the most cloud cover is May (Cloud cover 30).
The months with the least cloud cover are January and February (Cloud cover 22).
Average visibility in May
Adjuntas, 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).





