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
With the onset of May, the average high-temperature registers at a still warm 82.2°F (27.9°C), subtly different from April's 79.5°F (26.4°C). Rio, in the month of May, notes an average low temperature of 73.6°F (23.1°C), indicating a small decrease from the daytime highs.Heat index
May's average heat index is estimated at a tropical 87.8°F (31°C). Enduring exposure and unrelenting activity might cause a state of weariness, potentially leading to heat cramps.Observations indicate that the heat index values are for shady locations with light wind. The direct sunshine could escalate the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', is a single figure representing how weather conditions feel when combining temperature and humidity. The influence of weather is personal, with a diverse population experiencing it differently due to differences in body mass, stature, and degree of activity. One should be aware that direct sunshine can amplify the perceived temperature, raising the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for children. Children often fail to understand the importance of rest and rehydration. Thirst is a late manifestation of dehydration - hence, it is crucial to stay hydrated, especially during ongoing physical activities.
Humidity
In May, the average relative humidity is 75%.Rainfall
In May, the rain falls for 13.5 days. Throughout May, 1.65" (42mm) of precipitation is accumulated. In Rio, during the entire year, the rain falls for 168.1 days and collects up to 14.09" (358mm) of precipitation.Daylight
In Rio, the average length of the day in May is 13h and 30min.On the first day of May in Rio, Florida, sunrise is at 6:41 am and sunset at 7:54 pm. On the last day of the month, sunrise is at 6:26 am and sunset at 8:11 pm EDT.
Sunshine
The average sunshine in May is 10.7h.UV index
The months with the highest UV index are May through September, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high health hazard from unprotected exposure to Sun's UV rays for the average person.Note: The maximum daily UV index of 7 in May interprets into the following recommendations:
Guard oneself from overexposure. Defence against sun injury is vital. Minimize exposure to direct sunlight and seek shade from 10 a.m. to 4 p.m., when UV radiation is most intense, but remember that shade structures may not offer complete protection. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.
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 many days does it rain in May?
How many hours of daylight does Rio have in May?
When is the sunrise / sunset in May?
How many hours of sunshine does Rio have in May?
What is the month with the highest UV index?
What is the UV index intensity in May?
Average temperature in May
Rio, FL
- Average high temperature in May: 82.2°F
The warmest month (with the highest average high temperature) is August (87.1°F).
The month with the lowest average high temperature is January (71.4°F).
- Average low temperature in May: 73.6°F
The month with the highest average low temperature is August (79.3°F).
The coldest month (with the lowest average low temperature) is January (61.2°F).
Average pressure in May
Rio, FL
- Average pressure in May: 30.02"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is September (29.96"Hg).
Average wind speed in May
Rio, FL
- Average wind speed in May: 9.1mph
The windiest months (with the highest average wind speed) are January, March and November (10.3mph).
The calmest month (with the lowest average wind speed) is July (7.1mph).
Average humidity in May
Rio, FL
- Average humidity in May: 75%
The months with the highest relative humidity are June and August (78%).
The month with the lowest relative humidity is March (70%).
Average rainfall in May
Rio, FL
- Average rainfall in May: 1.65"
The wettest month (with the highest rainfall) is August (2.56").
The driest month (with the least rainfall) is January (0.39").
Average rainfall days in May
Rio, FL
- Average rainfall days in May: 13.5 days
The month with the highest number of rainy days is August (23.1 days).
The month with the least rainy days is February (7.7 days).
Average daylight in May /
Average sunshine in May
Rio, FL
- Average daylight in May: 13h and 3min
The month with the longest days is June (Average daylight: 13h and 48min).
The month with the shortest days is December (Average daylight: 10h and 30min).
- Average sunshine in May: 10h and 4min
The months with the most sunshine are July and August (Average sunshine: 10h and 54min).
The months with the least sunshine are January and December (Average sunshine: 6h and 6min).
Average sunshine days in May
Rio, FL
- Average sunshine days in May: 12.4 days
The month with the most sunshine days is January (19.5 days).
The month with the least sunshine days is August (3.4 days).
Average UV index in May
Rio, 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, FL
- Average cloud cover in May: 26
The months with the most cloud cover are January, November and December (Cloud cover 34).
The months with the least cloud cover are May and July (Cloud cover 26).
Average visibility in May
Rio, 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, Florida, USA
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