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 snowfall in May
- Average snowfall 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
Porto Rico's transition into May is marked by a rise in the average high-temperature, advancing from an enjoyable 62.1°F (16.7°C) in April to a pleasant 73°F (22.8°C). The month of May records an average low-temperature of 52.3°F (11.3°C).Humidity
The average relative humidity in May is 79%.Rainfall
May is the month with the most rainfall. Rain falls for 20.6 days and accumulates 4.57" (116mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. May is the last month it regularly snows. During 0.2 snowfall days, in May, Porto Rico aggregates 0.55" (14mm) of snow. Throughout the year, there are 58.9 snowfall days, and 29.41" (747mm) of snow is accumulated.Daylight
In May, the average length of the day in Porto Rico is 14h and 20min.On the first day of the month, sunrise is at 6:23 am and sunset at 8:16 pm. On the last day of May, sunrise is at 5:58 am and sunset at 8:43 pm EDT.
Sunshine
The average sunshine in May in Porto Rico, West Virginia, is 8.6h.UV index
The months with the highest UV index are May through August, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation for average individuals.Note: A daily maximum UV index of 6 in May translates into the following instructions:
Eschew overexposure. Those with light skin may suffer burns in fewer than 20 minutes. The Sun's UV radiation is at its strongest between the hours of 10 a.m. and 4 p.m. Minimize direct exposure to the sun during this period. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Porto Rico in May?
What is the average humidity in May in Porto Rico?
What is the rainiest month in Porto Rico?
How many days does it rain in May in Porto Rico?
What is the last month it snows in Porto Rico?
What is the average length of the day in May in Porto Rico?
When is the sunrise / sunset in May in Porto Rico?
How many hours of sunshine does Porto Rico have in May?
What are the months with the highest UV index in Porto Rico?
What is the UV index reading in May in Porto Rico?
Average temperature in May
Porto Rico, WV
- Average high temperature in May: 73°F
The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (36.1°F).
- Average low temperature in May: 52.3°F
The month with the highest average low temperature is July (61.9°F).
The coldest month (with the lowest average low temperature) is January (23°F).
Average pressure in May
Porto Rico, WV
- Average pressure in May: 30"Hg
The month with the highest atmospheric pressure is November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed in May
Porto Rico, WV
- Average wind speed in May: 5.4mph
The windiest months (with the highest average wind speed) are January and February (6.8mph).
The calmest month (with the lowest average wind speed) is August (4mph).
Average humidity in May
Porto Rico, WV
- Average humidity in May: 79%
The months with the highest relative humidity are January and February (83%).
The months with the lowest relative humidity are June, August and November (77%).
Average rainfall in May
Porto Rico, WV
- Average rainfall in May: 4.57"
The wettest month (with the highest rainfall) is May (4.57").
The driest month (with the least rainfall) is September (2.24").
Average rainfall days in May
Porto Rico, WV
- Average rainfall days in May: 20.6 days
The month with the highest number of rainy days is May (20.6 days).
The month with the least rainy days is November (11.4 days).
Average snowfall in May
Porto Rico, WV
- Average snowfall in May: 0.55"
The month with the highest snowfall is January (7.44").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Porto Rico, WV
- Average snowfall days in May: 0.2 days
The month with the highest number of snowfall days is January (17.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Porto Rico, WV
- Average daylight in May: 14h and 2min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in May: 8h and 4min
The month with the most sunshine is August (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 12min).
Average sunshine days in May
Porto Rico, WV
- Average sunshine days in May: 8.8 days
The month with the most sunshine days is November (14.9 days).
The month with the least sunshine days is January (7.4 days).
Average UV index in May
Porto Rico, WV
- Average UV index in May: 6
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in May
Porto Rico, WV
- Average cloud cover in May: 46
The month with the most cloud cover is January (Cloud cover 68).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in May
Porto Rico, WV
- Average visibility in May: 5mi
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (5mi).
The months with the lowest visibility are January and February (4mi).
Porto Rico, West Virginia, USA
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