May weather forecastCharlotte Harbor, FL
May
Weather in May
The last month of the spring, May, is a tropical month in Charlotte Harbor, Florida, with an average temperature fluctuating between 86.5°F (30.3°C) and 71.2°F (21.8°C).Temperature
The unfolding of May shows an average high-temperature of a tropical 86.5°F (30.3°C), indicating a slight variance from April's 82.9°F (28.3°C). Throughout May, an average nighttime temperature of 71.2°F (21.8°C) is experienced.Heat index
During May, the heat index is estimated at a very hot 96.8°F (36°C). Implement additional preventive actions, heat cramps and heat exhaustion are potential hazards. Heatstroke could follow prolonged activity.Given the heat index, its values are aligned with shaded sites and gentle winds. Direct sunlight can potentially boost the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', unifies temperature and humidity readings to offer a comprehensive feel of warmth. A person's impression of weather can be affected by numerous aspects, among them metabolic variations, pregnancy, and activity levels. Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially vital to children. Youngsters generally face more threats than adults given their lesser ability to sweat. Coupled with their larger skin surface relative to their small bodies and higher heat production due to their activities, they are more endangered.
Perspiring is a crucial mechanism for the human body, allowing it to release excessive warmth through evaporating sweat. In the presence of elevated relative humidity, the evaporation rate decreases. This reduction leads to increased body heat retention compared to conditions of dry air. When heat uptake goes beyond the body's cooling mechanisms, there's a surge in body temperature, posing health risks.
Humidity
In Charlotte Harbor, Florida, the average relative humidity in May is 71%.Rainfall
In Charlotte Harbor, during May, the rain falls for 14.9 days and regularly aggregates up to 2.72" (69mm) of precipitation. Throughout the year, there are 176 rainfall days, and 26.26" (667mm) of precipitation is accumulated.Ocean temperature
In May, the average ocean temperature is 79.3°F (26.3°C).Note: For engaging in any water activities, temperatures from 77°F (25°C) to 84.2°F (29°C) are viewed as outstanding and exceptionally pleasing for prolonged durations.
Daylight
In May, the average length of the day is 13h and 29min.On the first day of May, sunrise is at 6:49 am and sunset at 8:01 pm. On the last day of the month, sunrise is at 6:34 am and sunset at 8:17 pm EDT.
Sunshine
The months with the most sunshine are May and July, with an average of 10.8h of sunshine.UV index
The months with the highest UV index are May through September, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unsafe exposure to UV radiation for the average person.Note: A typical high UV index of 7 in May suggests the following recommendations:
Dodge overexposure. Fair-skinned people can get singed in less than 20 minutes. Seek shade and limit direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Keep in mind that shade structures like parasols or canopies do not offer complete sun protection. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Take heed! Reflections of sand and water make the Sun's UV rays stronger.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Charlotte Harbor, FL
- Average high temperature in May: 86.5°F
The warmest month (with the highest average high temperature) is August (90.1°F).
The month with the lowest average high temperature is January (70.5°F).
- Average low temperature in May: 71.2°F
The month with the highest average low temperature is August (78.3°F).
The coldest month (with the lowest average low temperature) is January (54.7°F).
Average pressure in May
Charlotte Harbor, FL
- Average pressure in May: 30"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is September (29.95"Hg).
Average wind speed in May
Charlotte Harbor, FL
- Average wind speed in May: 6.9mph
The windiest months (with the highest average wind speed) are January and March (7.8mph).
The calmest month (with the lowest average wind speed) is July (5.4mph).
Average humidity in May
Charlotte Harbor, FL
- Average humidity in May: 71%
The month with the highest relative humidity is September (78%).
The month with the lowest relative humidity is March (70%).
Average rainfall in May
Charlotte Harbor, FL
- Average rainfall in May: 2.72"
The wettest month (with the highest rainfall) is August (5.04").
The driest month (with the least rainfall) is February (0.63").
Average rainfall days in May
Charlotte Harbor, FL
- Average rainfall days in May: 14.9 days
The month with the highest number of rainy days is August (25.6 days).
The month with the least rainy days is February (7.1 days).
Average sea temperature in May
Charlotte Harbor, FL
- Average sea temperature in May: 79.3°F
The best month for swimming (with the highest average sea temperature) is August (87°F).
The coldest month (with the lowest average sea temperature) is January (65.3°F).
Average daylight in May /
Average sunshine in May
Charlotte Harbor, FL
- Average daylight in May: 13h and 30min
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 48min
The months with the most sunshine are May and July (Average sunshine: 10h and 48min).
The month with the least sunshine is December (Average sunshine: 6h and 30min).
Average sunshine days in May
Charlotte Harbor, FL
- Average sunshine days in May: 13.2 days
The month with the most sunshine days is January (22 days).
The month with the least sunshine days is August (3.8 days).
Average UV index in May
Charlotte Harbor, 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, February, November and December (UV index 5).
Average cloud cover in May
Charlotte Harbor, FL
- Average cloud cover in May: 24
The month with the most cloud cover is January (Cloud cover 31).
The month with the least cloud cover is May (Cloud cover 24).
Average visibility in May
Charlotte Harbor, 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).





