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
As Rio Vista Isles welcomes May, the average high-temperature stabilizes at a still warm 82°F (27.8°C), showing little deviation from April's 79.7°F (26.5°C). In Rio Vista Isles, the nocturnal temperatures throughout May show a marginal dip from the daytime averages, settling at a still warm 76.3°F (24.6°C).Heat index
The heat index value for May is evaluated at a tropical 87.8°F (31°C). With constant exposure and activity, a state of weariness might ensue, leading to potential heat cramps.Metrics for the heat index primarily focus on shaded spots and light wind conditions. The heat index has the possibility to be enhanced by 15 Fahrenheit (8 Celsius) degrees when there is direct sun exposure.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', gives an indication of how one might feel in terms of heat after considering humidity. The influence of weather is personal, differing among a variety of individuals based on differences in body mass, stature, and the level of physical activity. Awareness is key; direct sunlight can enhance the weather's impact, possibly boosting the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Children frequently do not understand the need for recuperation and hydration. Thirst, being a late manifestation of dehydration, underlines the need to hydrate frequently, especially when engaging in prolonged physical exercises.
Humidity
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. In Rio Vista Isles, Florida, during the entire year, the rain falls for 179 days and collects up to 15.55" (395mm) of precipitation.Daylight
The average length of the day in May 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
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 vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The UV index of 7 in May translates into these instructions:
Deflect overexposure. Sun protection is a necessity. Avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is most intense, and remember that not all shade structures provide full protection. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are May temperatures?
What is the average humidity in May?
How much does it rain in May?
What is the average length of the day in May?
When are sunrise and sunset in May?
How long on average sun shines in May?
What is the month with the highest UV index?
How high is the UV index 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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