May weather forecast
Day, FL

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Weather in May

The last month of the spring, May, is another warm month in Day, Florida, with an average temperature ranging between min 66.9°F (19.4°C) and max 84.7°F (29.3°C).

Temperature

As May arrives, Day's weather shows a minor increase in high-temperatures, edging from April's moderately hot 78.4°F (25.8°C) to a still warm 84.7°F (29.3°C). During May, the average low-temperature is recorded at a comfortable 66.9°F (19.4°C).

Heat index

May's average heat index is evaluated at a tropical 93.2°F (34°C). Take extra precautions, as heat cramps and heat exhaustion are possible. Sustained activity may result in heatstroke.
It is noted that heat index values are ascertained for locations in the shade and with gentle breezes. Being exposed to direct sunshine might trigger a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', is a calculated temperature value of how hot it feels when the moisture in the air is factored in. One's perception of temperature is subjective, varying based on their activity and individual heat perception, influenced by factors like wind, clothing, and metabolic variations. It is important to note that direct sunlight can intensify the weather impact, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to babies and toddlers. Children commonly overlook the importance of rest and fluid replenishment. Thirst, being a delayed sign of dehydration, emphasizes the need to keep hydration up, especially during lengthy physical activities.

Humidity

January and May, with an average relative humidity of 72%, are the least humid months.

Rainfall

In Day, Florida, in May, it is raining for 13.2 days, with typically 2.13" (54mm) of accumulated precipitation. Throughout the year, there are 168.6 rainfall days, and 32.95" (837mm) of precipitation is accumulated.

Daylight

In Day, the average length of the day in May is 13h and 41min.
On the first day of the month, sunrise is at 6:49 am and sunset at 8:11 pm. On the last day of May, sunrise is at 6:32 am and sunset at 8:29 pm EDT.

Sunshine

In Day, the average sunshine in May is 10.8h.

UV index

The months with the highest UV index are May through August, 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 the average person.
Note: In May, the average maximum UV index of 7 translates into the following recommendations:
Sustain precautions and conform to sun safety norms. Preventing sunburn is necessary. 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 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.
Updated: Jun 20, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

Is it hot during May?

May temperatures vary between a high-temperature of 84.7°F (29.3°C) and a low-temperature of 66.9°F (19.4°C). The average heat index (a.k.a. 'felt air temperature', 'real feel'), which represents the influence of relative humidity on air temperature, in May is evaluated at 93.2°F (34°C).

What are the least humid months?

January and May, with an average relative humidity of 72%, are the least humid months.

What is the average humidity in May?

The average relative humidity in May is 72%.

How much does it rain in May?

In May, the rain falls for 13.2 days. Throughout May, 2.13" (54mm) of precipitation is accumulated.

How many hours of daylight does Day have in May?

In Day, Florida, the average day length in May is 13h and 41min.

When is the sunrise / sunset in May in Day?

On the first day of May, sunrise is at 6:49 am and sunset at 8:11 pm. On the last day of the month, sunrise is at 6:32 am and sunset at 8:29 pm EDT.

How many hours of sunshine does Day have in May?

The average sunshine duration in May is 10.8h.

What is the month with the highest UV index?

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

What is the UV index intensity in May?

In Day, Florida, the average daily maximum UV index in May is 7. A UV Index of 6 to 7 symbolizes a high hazard to health 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
Day, FL

Average temperature in May - Day, FL
  • Average high temperature in May: 84.7°F

The warmest months (with the highest average high temperature) are July and August (90.3°F).
The month with the lowest average high temperature is January (62.2°F).

  • Average low temperature in May: 66.9°F

The month with the highest average low temperature is August (75.7°F).
The coldest month (with the lowest average low temperature) is January (45.5°F).

Average pressure in May
Day, FL

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

The month with the highest atmospheric pressure is January (30.15"Hg).
The months with the lowest atmospheric pressure are June, August and September (29.98"Hg).

Average wind speed in May
Day, FL

Average wind speed in May - Day, FL
  • Average wind speed in May: 6.2mph

The windiest month (with the highest average wind speed) is January (7.2mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).

Average humidity in May
Day, FL

Average humidity in May - Day, FL
  • Average humidity in May: 72%

The months with the highest relative humidity are August, September and December (77%).
The months with the lowest relative humidity are January and May (72%).

Average rainfall in May
Day, FL

Average rainfall in May - Day, FL
  • Average rainfall in May: 2.13"

The wettest month (with the highest rainfall) is August (5.35").
The driest month (with the least rainfall) is November (1.02").

Average rainfall days in May
Day, FL

Average rainfall days in May - Day, FL
  • Average rainfall days in May: 13.2 days

The month with the highest number of rainy days is August (24.8 days).
The month with the least rainy days is November (6.8 days).

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

Average daylight in May / Average sunshine in May - Day, FL
  • Average daylight in May: 13h and 4min

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 5min

The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 54min).

Average sunshine days in May
Day, FL

Average sunshine days in May - Day, FL
  • Average sunshine days in May: 16.3 days

The month with the most sunshine days is November (21.1 days).
The month with the least sunshine days is August (3.8 days).

Average UV index in May
Day, FL

Average UV index in May - Day, 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
Day, FL

Average cloud cover in May - Day, FL
  • Average cloud cover in May: 24

The month with the most cloud cover is December (Cloud cover 38).
The month with the least cloud cover is May (Cloud cover 24).

Average visibility in May
Day, FL

Average visibility in May - Day, 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).

Day, Florida, USA

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