May weather forecast
Atlantis, FL

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Weather in May

The last month of the spring, May, is another warm month in Atlantis, Florida, with an average temperature fluctuating between 75.7°F (24.3°C) and 81.3°F (27.4°C).

Temperature

In May, Atlantis experiences a minor shift in meteorological conditions with average high-temperatures marked at a still warm 81.3°F (27.4°C), closely mirroring the climate in April. In May, a low-temperature average of 75.7°F (24.3°C) is characteristic of Atlantis, marking a minor shift from daytime temperatures.

Heat index

The average heat index in May is calculated to be a hot 86°F (30°C). With prolonged exposure and constant activity, one might feel exhausted and experience heat cramps.
From a standpoint of the heat index, values pertain to shaded conditions and mild breezes. With exposure to direct sunshine, the heat index could climb by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', quantifies the warmth felt when relative humidity is considered. A person's impression of weather can be affected by numerous aspects, among them metabolic variations, pregnancy, and activity levels. When exposed to direct sunlight, it's possible for the heat index to increase by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly important for children. Children often miss understanding the importance of rest and rehydration. Thirst usually appears late during dehydration - therefore, maintaining hydration, particularly during long physical activities, is essential.

Humidity

In May, the average relative humidity is 74%.

Rainfall

In Atlantis, Florida, in May, during 20.2 rainfall days, 5.67" (144mm) of precipitation is typically accumulated. Throughout the year, there are 238.3 rainfall days, and 54.53" (1385mm) of precipitation is accumulated.

Daylight

The average length of the day in May is 13h and 28min.
On the first day of the month, sunrise is at 6:41 am and sunset at 7:53 pm. On the last day of May, sunrise is at 6:27 am and sunset at 8:09 pm EDT.

Sunshine

The average sunshine in May is 10.4h.

UV index

May through September, 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 radiation for the ordinary person.
Note: The daily maximum UV index of 7 in May interprets into the following advice:
Enforce precautions and stick to sun safety measures. Preservation from skin and eye damage is essential. Avoid exposure to the Sun and try to stay in the shade between 10 a.m. and 4 p.m., when UV radiation is most potent, but be aware that parasols or canopies may not offer full protection. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.
Updated: Jun 16, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are May temperatures?

The high-temperature, in May, in Atlantis, records 81.3°F (27.4°C), while the low-temperature is 75.7°F (24.3°C). In May, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which calculates the temperature value influenced by the moisture in the air, is calculated to be 86°F (30°C).

What is the average humidity in May?

The average relative humidity in May is 74%.

How much does it rain in May?

In Atlantis, in May, during 20.2 rainfall days, 5.67" (144mm) of precipitation is typically accumulated.

How many hours of daylight does Atlantis have in May?

In Atlantis, the average day length in May is 13h and 28min.

When is the sunrise / sunset in May?

In May, on the first day of the month, sunrise is at 6:41 am and sunset at 7:53 pm. On the last day of the month, sunrise is at 6:27 am and sunset at 8:09 pm EDT.

How many hours of sunshine does Atlantis have in May?

In May, the average sunshine duration is 10.4h.

When is the highest UV index?

May through September, with an average maximum UV index of 7, are months with the highest UV index.

What is the UV index reading in May?

In Atlantis, the average daily maximum UV index in May is 7. A UV Index estimate of 6 to 7 represents a high health threat from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Atlantis, FL

Average temperature in May - Atlantis, FL
  • Average high temperature in May: 81.3°F

The warmest month (with the highest average high temperature) is August (86.7°F).
The month with the lowest average high temperature is January (72.5°F).

  • Average low temperature in May: 75.7°F

The month with the highest average low temperature is August (81.5°F).
The coldest month (with the lowest average low temperature) is January (64°F).

Average pressure in May
Atlantis, FL

Average pressure in May - Atlantis, FL
  • Average pressure in May: 30.01"Hg

The month with the highest atmospheric pressure is January (30.11"Hg).
The months with the lowest atmospheric pressure are September and October (29.96"Hg).

Average wind speed in May
Atlantis, FL

Average wind speed in May - Atlantis, FL
  • Average wind speed in May: 10.3mph

The windiest month (with the highest average wind speed) is March (11.5mph).
The calmest month (with the lowest average wind speed) is July (7.7mph).

Average humidity in May
Atlantis, FL

Average humidity in May - Atlantis, FL
  • Average humidity in May: 74%

The months with the highest relative humidity are June and December (76%).
The month with the lowest relative humidity is March (70%).

Average rainfall in May
Atlantis, FL

Average rainfall in May - Atlantis, FL
  • Average rainfall in May: 5.67"

The wettest month (with the highest rainfall) is August (9.06").
The driest month (with the least rainfall) is January (1.3").

Average rainfall days in May
Atlantis, FL

Average rainfall days in May - Atlantis, FL
  • Average rainfall days in May: 20.2 days

The month with the highest number of rainy days is August (27.3 days).
The month with the least rainy days is February (13.3 days).

Average daylight in May /
Average sunshine in May
Atlantis, FL

Average daylight in May / Average sunshine in May - Atlantis, 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 2min

The months with the most sunshine are July and August (Average sunshine: 10h and 42min).
The months with the least sunshine are January and December (Average sunshine: 6h and 0min).

Average sunshine days in May
Atlantis, FL

Average sunshine days in May - Atlantis, FL
  • Average sunshine days in May: 8.7 days

The month with the most sunshine days is March (12.7 days).
The month with the least sunshine days is July (2.3 days).

Average UV index in May
Atlantis, FL

Average UV index in May - Atlantis, 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 5).

Average cloud cover in May
Atlantis, FL

Average cloud cover in May - Atlantis, FL
  • Average cloud cover in May: 30

The months with the most cloud cover are January, October, November and December (Cloud cover 36).
The months with the least cloud cover are April and July (Cloud cover 29).

Average visibility in May
Atlantis, FL

Average visibility in May - Atlantis, 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).

Atlantis, Florida, USA

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