May weather forecastSaint Catherine, FL
May
Weather in May
May, the last month of the spring in Saint Catherine, is a tropical month, with temperature in the range of an average high of 86.2°F (30.1°C) and an average low of 67.8°F (19.9°C).Temperature
The average high-temperature during May is a tropical 86.2°F (30.1°C), almost matching the conditions of the preceding month. An average low-temperature of 67.8°F (19.9°C) is recorded in the month of May.Heat index
The heat index value during May is calculated to be a sweltering 96.8°F (36°C). Adopt heightened preventive measures, heat exhaustion and heat cramps are probable. Persistent activity could lead to heatstroke.Heat index details are generally centered around shaded locations and a mild breeze. Being exposed to direct sunshine might trigger a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', is a calculation that merges air temperature and relative humidity to depict the sensation of warmth. An individual's temperature experience can be influenced by extra factors, including metabolic differences, activity levels, and clothing. When directly under the sun, the weather's impact can intensify, possibly boosting the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely vital to babies and toddlers. Children frequently underestimate the importance of resting and drinking fluids. Thirst is a symptom of advanced dehydration - hence the need to hydrate regularly, especially during protracted physical exercises.
The physiological response of the human body to excess warmth is to perspire, thereby cooling itself through sweat evaporation. When relative humidity is at high levels, the evaporation rate lessens, causing the body to keep more heat than it would in less humid conditions. Overheating and dehydration threats arise when heat gain goes beyond what the body can comfortably shed.
Humidity
In May, the average relative humidity is 73%.Rainfall
In May, the rain falls for 14.3 days. Throughout May, 1.57" (40mm) of precipitation is accumulated. In Saint Catherine, during the entire year, the rain falls for 152.7 days and collects up to 18.11" (460mm) of precipitation.Daylight
The average length of the day in May is 13h and 35min.On the first day of May, sunrise is at 6:46 am and sunset at 8:04 pm. On the last day of the month, sunrise is at 6:31 am and sunset at 8:21 pm EDT.
Sunshine
In May, the average sunshine is 10.6h.UV index
The months with the highest UV index are May through September, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high health risk from unsafe exposure to UV radiation for average individuals.Note: The maximum daily UV index of 7 in May interprets into the following recommendations:
Exercise precautions and adapt sun safety practices. Defence against skin and eye affliction is paramount. Limit direct sun exposure and seek shade between 10 a.m. and 4 p.m., the time of the most intense UV radiation, noting that shade structures may not provide total sun protection. To cut down UV radiation exposure by about half, sport a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Saint Catherine, FL
- Average high temperature in May: 86.2°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 (67.3°F).
- Average low temperature in May: 67.8°F
The month with the highest average low temperature is August (75.2°F).
The coldest month (with the lowest average low temperature) is January (49.5°F).
Average pressure in May
Saint Catherine, FL
- Average pressure in May: 30.01"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is September (29.97"Hg).
Average wind speed in May
Saint Catherine, FL
- Average wind speed in May: 5.7mph
The windiest months (with the highest average wind speed) are March and April (6.3mph).
The calmest month (with the lowest average wind speed) is July (4.4mph).
Average humidity in May
Saint Catherine, FL
- Average humidity in May: 73%
The months with the highest relative humidity are July, August and September (79%).
The month with the lowest relative humidity is March (72%).
Average rainfall in May
Saint Catherine, FL
- Average rainfall in May: 1.57"
The wettest month (with the highest rainfall) is July (3.46").
The driest month (with the least rainfall) is January (0.51").
Average rainfall days in May
Saint Catherine, FL
- Average rainfall days in May: 14.3 days
The month with the highest number of rainy days is July (22.6 days).
The month with the least rainy days is November (6.8 days).
Average daylight in May /
Average sunshine in May
Saint Catherine, FL
- Average daylight in May: 13h and 36min
The month with the longest days is June (Average daylight: 13h and 54min).
The month with the shortest days is December (Average daylight: 10h and 24min).
- Average sunshine in May: 10h and 36min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 6h and 18min).
Average sunshine days in May
Saint Catherine, FL
- Average sunshine days in May: 13.8 days
The month with the most sunshine days is January (22.4 days).
The month with the least sunshine days is July (5.7 days).
Average UV index in May
Saint Catherine, 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 month with the lowest UV index is January (UV index 4).
Average cloud cover in May
Saint Catherine, FL
- Average cloud cover in May: 28
The month with the most cloud cover is February (Cloud cover 37).
The month with the least cloud cover is May (Cloud cover 28).
Average visibility in May
Saint Catherine, 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).





