May weather forecastHavana, FL
May
Weather in May
May, the last month of the spring in Havana, is another warm month, with an average temperature varying between 64.9°F (18.3°C) and 85.6°F (29.8°C).Temperature
As May begins, there's a slight increase in the average high-temperature, moving from 78.8°F (26°C) in April to a still warm 85.6°F (29.8°C). Havana's May nights cool down to an average low-temperature of 64.9°F (18.3°C).Heat index
May's average heat index is estimated at a fiery hot 95°F (35°C). Implement heightened safety measures - risk of heat exhaustion and heat cramps is increased. Prolonged activity may result in heatstroke.In terms of the heat index, values are set with light wind and shade conditions in mind. When under direct sunshine, the heat index may be elevated by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', blends air temperature and moisture content to represent the felt temperature to humans. The individual's experience of temperature can be shaped by numerous aspects such as metabolic variations, physical exertion, and attire. Realize that direct exposure to sunlight can augment the felt heat, leading to a potential increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly meaningful for babies and toddlers. Kids are usually in more danger than grown-ups as they tend to sweat less. Plus, their bigger skin surface in relation to their small frames and increased heat generation due to their activity level make them more susceptible.
The body's natural response to excessive warmth is perspiration, as it allows for cooling through sweat evaporation. In high relative humidity, the body's ability to evaporate heat is diminished, resulting in a heightened feeling of warmth. Accumulating heat beyond the body's cooling measures leads to rising temperatures and potential ailments.
Humidity
With an average relative humidity of 71%, May is the least humid month.Rainfall
In May, the rain falls for 12.9 days. Throughout May, 2.32" (59mm) of precipitation is accumulated. Throughout the year, there are 174.5 rainfall days, and 33.62" (854mm) of precipitation is accumulated.Snowfall
February through December are months without snowfall.Daylight
The average length of the day in May is 13h and 43min.On the first day of the month, sunrise is at 6:53 am and sunset at 8:16 pm. On the last day of May, sunrise is at 6:35 am and sunset at 8:35 pm EDT.
Sunshine
In May, the average sunshine is 10.3h.UV index
May through August, 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 threat to health from exposure to the Sun's UV rays for average individuals.Note: A daily high UV index of 7 in May leads to these guidelines:
Persist in precautions and follow sun safety policies. Keeping sunburn at bay is imperative. Between 10 a.m. and 4 p.m., the Sun's UV radiation is at its peak. Limit your exposure to direct sunlight during these hours. Opt for tightly woven and loose clothing to enhance protection from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Havana, FL
- Average high temperature in May: 85.6°F
The warmest months (with the highest average high temperature) are July and August (90.9°F).
The month with the lowest average high temperature is January (60.4°F).
- Average low temperature in May: 64.9°F
The month with the highest average low temperature is August (73.6°F).
The coldest month (with the lowest average low temperature) is January (42.1°F).
Average pressure in May
Havana, FL
- Average pressure in May: 30.01"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The months with the lowest atmospheric pressure are June, August and September (29.98"Hg).
Average wind speed in May
Havana, FL
- Average wind speed in May: 5.5mph
The windiest month (with the highest average wind speed) is January (6.8mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).
Average humidity in May
Havana, FL
- Average humidity in May: 71%
The months with the highest relative humidity are August and December (78%).
The month with the lowest relative humidity is May (71%).
Average rainfall in May
Havana, FL
- Average rainfall in May: 2.32"
The wettest months (with the highest rainfall) are July and August (4.37").
The driest month (with the least rainfall) is November (1.3").
Average rainfall days in May
Havana, FL
- Average rainfall days in May: 12.9 days
The month with the highest number of rainy days is July (25.2 days).
The month with the least rainy days is November (7.7 days).
Average snowfall in May
Havana, FL
- Average snowfall in May: 0"
The month with the highest snowfall is January (0.08").
The months with the least snowfall are February, March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in May
Havana, FL
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (0.2 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October, November and December (0 days).
Average daylight in May /
Average sunshine in May
Havana, FL
- Average daylight in May: 13h and 42min
The month with the longest days is June (Average daylight: 14h and 6min).
The month with the shortest days is December (Average daylight: 10h and 12min).
- Average sunshine in May: 10h and 18min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 5h and 30min).
Average sunshine days in May
Havana, FL
- Average sunshine days in May: 16 days
The month with the most sunshine days is November (21.5 days).
The month with the least sunshine days is July (4.3 days).
Average UV index in May
Havana, FL
- Average UV index in May: 7
The months with the highest UV index are May, June, July and August (UV index 7).
The month with the lowest UV index is January (UV index 3).
Average cloud cover in May
Havana, FL
- Average cloud cover in May: 30
The month with the most cloud cover is December (Cloud cover 43).
The month with the least cloud cover is October (Cloud cover 29).
Average visibility in May
Havana, FL
- Average visibility in May: 6mi
The months with the highest visibility are January, February, March, April, May, June, October and November (6mi).
The months with the lowest visibility are July, August, September and December (5mi).





