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
Shifting into May, Rio Vista Isles records an average high-temperature of a still moderately hot 82°F (27.8°C), presenting minor fluctuations compared to the previous month. Rio Vista Isles, during May nights, experiences a subtle shift to a low average of 76.3°F (24.6°C) from the day's heat.Heat index
For May, the heat index is appraised at a hot 87.8°F (31°C). Fatigue might occur with continuous exposure and activity, potentially causing heat cramps.Factoring in the heat index, values are geared towards shaded areas with light breezes. 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 'feels like' or 'felt air temperature', comes about by integrating the temperature readings with the humidity levels. Factors such as metabolic variation, pregnancy, and physical activity play a role in one's impression of weather. With the sun shining directly, it's crucial to understand that it can increase the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular importance for children. Youngsters typically face more danger than adults since they sweat less. Their larger skin surface compared to their small bodies and heightened heat production from their activities augment their vulnerability.
Humidity
In Rio Vista Isles, the average relative humidity in May is 72%.Rainfall
In Rio Vista Isles, in May, during 14.7 rainfall days, 1.65" (42mm) of precipitation is typically accumulated. Throughout the year, there are 179 rainfall days, and 15.55" (395mm) of precipitation is accumulated.Daylight
In May, the average length of the day is 13h and 26min.On the first day of May, sunrise is at 6:42 am and sunset at 7:52 pm. On the last day of the month, sunrise is at 6:28 am and sunset at 8:08 pm EDT.
Sunshine
In Rio Vista Isles, the average sunshine in May is 10.7h.UV index
May through September, 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 health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: A maximum UV index of 7 in May translates into the following recommendations:
Apply measures and align with sun safety principles. Safeguarding against skin and eye injury is pivotal. Limit your direct sun exposure, especially between 10 a.m. and 4 p.m., when UV radiation is strongest. Shade structures might not provide complete sun protection. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Rio Vista Isles in May?
What is the average humidity in May?
How many days does it rain in May?
What is the average length of the day in May?
What time are sunrise and sunset in May?
How long on average sun shines in May?
What are the months with the highest UV index?
What is the UV index reading in May?
Average temperature in May
Rio Vista Isles, FL
- Average high temperature in May: 82°F
The warmest month (with the highest average high temperature) is August (87.4°F).
The month with the lowest average high temperature is January (73°F).
- Average low temperature in May: 76.3°F
The month with the highest average low temperature is August (82°F).
The coldest month (with the lowest average low temperature) is January (64.2°F).
Average pressure in May
Rio Vista Isles, FL
- Average pressure in May: 30.01"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The months with the lowest atmospheric pressure are September and October (29.95"Hg).
Average wind speed in May
Rio Vista Isles, FL
- Average wind speed in May: 10.2mph
The windiest month (with the highest average wind speed) is March (11.3mph).
The calmest month (with the lowest average wind speed) is July (7.8mph).
Average humidity in May
Rio Vista Isles, FL
- Average humidity in May: 72%
The month with the highest relative humidity is December (75%).
The month with the lowest relative humidity is March (69%).
Average rainfall in May
Rio Vista Isles, FL
- Average rainfall in May: 1.65"
The wettest month (with the highest rainfall) is August (2.68").
The driest month (with the least rainfall) is January (0.39").
Average rainfall days in May
Rio Vista Isles, FL
- Average rainfall days in May: 14.7 days
The month with the highest number of rainy days is September (23.6 days).
The month with the least rainy days is February (8.3 days).
Average daylight in May /
Average sunshine in May
Rio Vista Isles, FL
- Average daylight in May: 13h and 2min
The month with the longest days is June (Average daylight: 13h and 42min).
The month with the shortest days is December (Average daylight: 10h and 30min).
- Average sunshine in May: 10h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 54min).
The months with the least sunshine are January and December (Average sunshine: 6h and 18min).
Average sunshine days in May
Rio Vista Isles, FL
- Average sunshine days in May: 12.6 days
The month with the most sunshine days is January (17.4 days).
The month with the least sunshine days is September (3.9 days).
Average UV index in May
Rio Vista Isles, FL
- Average UV index in May: 7
The months with the highest UV index are May, June, July, August and September (UV index 7).
The months with the lowest UV index are January and December (UV index 5).
Average cloud cover in May
Rio Vista Isles, FL
- Average cloud cover in May: 28
The month with the most cloud cover is October (Cloud cover 35).
The month with the least cloud cover is April (Cloud cover 27).
Average visibility in May
Rio Vista Isles, FL
- 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).
Rio Vista Isles, Florida, USA
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