May weather forecast and climate
Stuart, FL

Weather in May

The last month of the spring, May, is also a moderately hot month in Stuart, Florida, with average temperature fluctuating between 82.2°F (27.9°C) and 73.6°F (23.1°C).

Temperature

In Stuart, the average high-temperature in May is essentially the same as in April - a still warm 82.2°F (27.9°C). In Stuart, in May, the average low-temperature is 73.6°F (23.1°C).

Heat index

The average heat index in May is calculated to a hot 88°F (31.1°C). Constant exposure and activity lead to possible fatigue. Prolonged exercise may result in heat cramps.
Take into consideration that the heat index values are calculated for shade and light wind conditions. With the exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature', 'feels like', 'apparent temperature', or 'real feel', combines air temperature and relative humidity to represent a human perceived temperature equivalent. Additional factors like activity, differences in body mass, height, and shape, clothing, and pregnancy affect individual temperature impact. Be aware that direct exposure to sunlight increases heat impact, and may raise the heat index additionally, by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it is vital to remain hydrated, particularly during prolonged physical activities.

Humidity

In May, the average relative humidity in Stuart, Florida, is 75%.

Rainfall

In Stuart, in May, during 13.5 rainfall days, 1.65" (42mm) of precipitation is typically accumulated. Throughout the year, in Stuart, there are 168.1 rainfall days, and 14.09" (358mm) of precipitation is accumulated.

Ocean temperature

In Stuart, in May, the average water temperature is 79.7°F (26.5°C).
Note: For swimming, diving, and other water activities, temperatures between 77°F (25°C) and 84.2°F (29°C) are perceived as very enjoyable and pleasurable for prolonged periods without feeling uncomfortable.

Daylight

In May, the average length of the day is 13.5h.

Sunshine

In Stuart, Florida, the average sunshine is 10.7h.

UV index

Months with the highest UV index in Stuart are May through September, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high health vulnerability from the exposure to the Sun's UV rays for the average person.
Note: The average daily UV index of 7 transform into the following instructions:
Take precautions against overexposure. Protection against sun damage is needed. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Caution! The reflection of sand and water significantly increases the intensity of the Sun's UV radiation.
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FAQ

What is the temperature in May in Stuart?

In May, the average high-temperature is 82.2°F (27.9°C), and the average low-temperature is 73.6°F (23.1°C). The average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), that takes the relative humidity and factores it into the air temperature reading, in May is calculated to 88°F (31.1°C).

What is the average humidity in May in Stuart?

In May, the average relative humidity is 75%.

How much does it rain in Stuart in May?

In Stuart, Florida, during May, the rain falls for 13.5 days and regularly aggregates up to 1.65" (42mm) of precipitation.

What is the ocean temperature in May in Stuart?

In Stuart, Florida, the average seawater temperature in May is 79.7°F (26.5°C). Water temperature between 77°F (25°C) and 84.2°F (29°C) is regarded as very warm and enjoyable by all. With these temperatures, water activities are pleasurable, without feeling uncomfortable for prolonged periods.

What is the average length of the day in May in Stuart?

In May, the average length of the day in Stuart, Florida, is 13.5h.

How long on average sun shines in May in Stuart?

In May, the average sunshine in Stuart, Florida, is 10.7h.

When is the highest UV index in Stuart?

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

How high is the UV index in May in Stuart?

In Stuart, Florida, the average daily maximum UV index in May is 7. A UV Index reading of 6 to 7 represents a high health vulnerability from the exposure to the Sun's UV rays.

Average temperature in May
Stuart, FL

Average temperature in May - Stuart, FL
  • Average high temperature in May: 82.2°F

The warmest month (with the highest average high temperature) is August (87.1°F).
The month with the lowest average high temperature is January (71.4°F).

  • Average low temperature in May: 73.6°F

The month with the highest average low temperature is August (79.3°F).
The coldest month (with the lowest average low temperature) is January (61.2°F).

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Average pressure in May
Stuart, FL

Average pressure in May - Stuart, FL
  • Average pressure in May: 30.02"

The month with the highest atmospheric pressure is January (30.12").
The month with the lowest atmospheric pressure is September (29.96").

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Average wind speed in May
Stuart, FL

Average wind speed in May - Stuart, FL
  • Average wind speed in May: 9.1mph

The windiest months (with the highest average wind speed) are January, March and November (10.3mph).
The calmest month (with the lowest average wind speed) is July (7.1mph).

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Average humidity in May
Stuart, FL

Average humidity in May - Stuart, FL
  • Average humidity in May: 75%

Months with the highest relative humidity are June and August (78%).
The month with the lowest relative humidity is March (70%).

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Average rainfall in May
Stuart, FL

Average rainfall in May - Stuart, FL
  • Average rainfall in May: 1.65"

The wettest month (with the highest rainfall) is August (2.56").
The driest month (with the least rainfall) is January (0.39").

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Average rainfall days in May
Stuart, FL

Average rainfall days in May - Stuart, FL
  • Average rainfall days in May: 13.5 days

The month with the highest number of rainy days is August (23.1 days).
The month with the least rainy days is February (7.7 days).

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Average sea temperature in May
Stuart, FL

Average sea temperature in May - Stuart, FL
  • Average sea temperature in May: 79.6°F

The best month for swimming (with the highest average sea temperature) is August (85.1°F).
The coldest month (with the lowest average sea temperature) is February (73.3°F).

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

Average daylight in May / Average sunshine in May - Stuart, FL
  • Average daylight in May: 13.5h

The month with the longest days is June (Average daylight: 13.8h).
The month with the shortest days is December (Average daylight: 10.4h).

  • Average sunshine in May: 10.7h

Months with the most sunshine are July and August (Average sunshine: 10.9h).
Months with the least sunshine are January and December (Average sunshine: 6.1).

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Average sunshine days in May
Stuart, FL

Average sunshine days in May - Stuart, FL
  • Average sunshine days in May: 12.4 days

The month with the most sunshine days is January (19.5 days).
The month with the least sunshine days is August (3.4 days).

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Average UV index in May
Stuart, FL

Average UV index in May - Stuart, FL
  • Average UV index in May: 7

Months with the highest UV index are May, June, July, August and September (UV index 7).
Months with the lowest UV index are January and December (UV index 5).

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Average cloud cover in May
Stuart, FL

Average cloud cover in May - Stuart, FL
  • Average cloud cover in May: 26

Months with the most cloud cover are January, November and December (Cloud cover 34).
Months with the least cloud cover are May and July (Cloud cover 26).

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Average visibility in May
Stuart, FL

Average visibility in May - Stuart, FL
  • Average visibility in May: 6mi

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

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