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
The advent of May denotes an average high-temperature of a still moderately hot 84.4°F (29.1°C), subtly different from April's 81°F (27.2°C). During the month of May, Dismal Key's nighttime temperature lowers to an average of 74.1°F (23.4°C).Heat index
In May, the average heat index is evaluated at a tropical 93.2°F (34°C). Implement additional cautionary measures, heat cramps and heat exhaustion could occur. Prolonged activity might induce heatstroke.Regarding the heat index, one should be aware it's determined by shaded settings and mild winds. Being exposed to direct sunshine might trigger a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is what the temperature feels like to the human body when the air temperature is combined with the relative humidity. The influence of weather is personal, with varied individuals experiencing it differently due to differences in body mass, stature, and physical exertion levels. Direct exposure to sun rays can potentially augment the heat sensation, elevating the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical for children. Young people are generally more susceptible than adults because they perspire less. Furthermore, their proportionally larger skin surface to their petite bodies and the increased heat output from their actions add to the risk.
Humidity
In Dismal Key, the average relative humidity in May is 73%.Rainfall
In May, the rain falls for 15.3 days. Throughout May, 2.09" (53mm) of precipitation is accumulated. In Dismal Key, during the entire year, the rain falls for 162.1 days and collects up to 21.69" (551mm) of precipitation.Daylight
In May, the average length of the day is 13h and 25min.On the first day of the month, sunrise is at 6:48 am and sunset at 7:57 pm. On the last day of May, sunrise is at 6:34 am and sunset at 8:13 pm EDT.
Sunshine
The months with the most sunshine in Dismal Key are May and July, with an average of 11.1h 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 of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV radiation for average individuals.Note: The maximum daily UV index of 7 in May interprets into the following recommendations:
Implement preventive steps and embrace sun safety standards. Protection from skin and eye distress is compulsory. Limit your exposure to the sun's UV radiation, which is strongest between 10 a.m. and 4 p.m., and note that parasols or canopies may not provide full sun protection. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.
Frequently asked questions
How hot is it in Dismal Key in May?
What is the average humidity in May in Dismal Key?
How many days does it rain in May in Dismal Key?
What is the average length of the day in May in Dismal Key?
When are sunrise and sunset in May in Dismal Key?
What are the months with the most sunshine in Dismal Key?
How long on average sun shines in May in Dismal Key?
When is the highest UV index in Dismal Key?
How high is the UV index in May in Dismal Key?
Average temperature in May
Dismal Key, FL
- Average high temperature in May: 84.4°F
The warmest month (with the highest average high temperature) is August (88.3°F).
The month with the lowest average high temperature is January (71.6°F).
- Average low temperature in May: 74.1°F
The month with the highest average low temperature is August (80.2°F).
The coldest month (with the lowest average low temperature) is January (59.5°F).
Average pressure in May
Dismal Key, FL
- Average pressure in May: 30"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is September (29.94"Hg).
Average wind speed in May
Dismal Key, FL
- Average wind speed in May: 7.8mph
The windiest month (with the highest average wind speed) is November (9.2mph).
The calmest month (with the lowest average wind speed) is July (6.2mph).
Average humidity in May
Dismal Key, FL
- Average humidity in May: 73%
The month with the highest relative humidity is December (76%).
The month with the lowest relative humidity is March (72%).
Average rainfall in May
Dismal Key, FL
- Average rainfall in May: 2.09"
The wettest month (with the highest rainfall) is August (4.29").
The driest month (with the least rainfall) is March (0.63").
Average rainfall days in May
Dismal Key, FL
- Average rainfall days in May: 15.3 days
The month with the highest number of rainy days is August (22.4 days).
The month with the least rainy days is February (7 days).
Average daylight in May /
Average sunshine in May
Dismal Key, 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 36min).
- Average sunshine in May: 11h and 1min
The months with the most sunshine are May and July (Average sunshine: 11h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 42min).
Average sunshine days in May
Dismal Key, FL
- Average sunshine days in May: 12.9 days
The month with the most sunshine days is January (21.8 days).
The month with the least sunshine days is August (6.8 days).
Average UV index in May
Dismal Key, 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 February (UV index 5).
Average cloud cover in May
Dismal Key, FL
- Average cloud cover in May: 23
The month with the most cloud cover is January (Cloud cover 28).
The months with the least cloud cover are March and April (Cloud cover 22).
Average visibility in May
Dismal Key, 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).
Dismal Key, Florida, USA
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