May weather forecastMayport, FL

May

Weather in May

The last month of the spring, May, is another warm month in Mayport, Florida, with an average temperature ranging between min 69.6°F (20.9°C) and max 82.9°F (28.3°C).

Temperature

As Mayport enters May, the average high-temperature marginally increases from the a moderately hot 77.5°F (25.3°C) of April to a still warm 82.9°F (28.3°C). In May, Mayport experiences an average nighttime temperature of 69.6°F (20.9°C).

Heat index

May's average heat index is computed to be a tropical 89.6°F (32°C). With extended exposure and activity, one might feel exhausted and experience heat cramps.
Note that heat index values are valued for light wind and location in the shade. An exposure to direct sunlight may lift the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', determines the feeling of heat when you account for the relative humidity. Additional elements including metabolic differences, the level of physical activity, and attire have a role in shaping the individual's temperature perception. Given the impact of direct sunlight, it's noteworthy that the felt temperature can rise by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical to babies and toddlers. Kids often lack the knowledge about the necessity to take breaks and consume liquids. Thirst, as a late symptom of dehydration, necessitates the maintenance of hydration, particularly during enduring physical activities.

Humidity

The average relative humidity in May in Mayport is 72%.

Rainfall

In Mayport, in May, it is raining for 14.3 days, with typically 2.68" (68mm) of accumulated precipitation. In Mayport, Florida, during the entire year, the rain falls for 185.3 days and collects up to 32.64" (829mm) of precipitation.

Snowfall

In Mayport, snow does not fall in March through August, October and November.

Daylight

In May, the average length of the day is 13h and 42min.
On the first day of May, sunrise is at 6:41 am and sunset at 8:04 pm. On the last day of the month, sunrise is at 6:24 am and sunset at 8:22 pm EDT.

Sunshine

The average sunshine in May in Mayport is 10.7h.

UV index

The months with the highest UV index in Mayport are May through September, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high health hazard from unsafe exposure to UV radiation for the ordinary person.
Note: The maximum UV index, 7 during May, leads to the following recommendations:
Resist overexposure. Safeguarding from solar damage is indispensable. The Sun's UV radiation is most intense from 10 a.m. to 4 p.m. Try to avoid direct sun exposure during these hours. Boost your sun resistance with garments that are densely woven yet spacious.

Updated: Feb 10, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

In May, in Mayport, the average high-temperature is 82.9°F (28.3°C), and the average low-temperature is 69.6°F (20.9°C). The average heat index (a.k.a. 'felt air temperature', 'real feel'), which takes the relative humidity and factors it into the air temperature reading, in May is computed to be 89.6°F (32°C).

The average relative humidity in May in Mayport, Florida, is 72%.

In May, in Mayport, the rain falls for 14.3 days. Throughout May, 2.68" (68mm) of precipitation is accumulated.

March through August, October and November are months without snowfall in Mayport.

In May, the average day length in Mayport is 13h and 42min.

On the first day of May in Mayport, sunrise is at 6:41 am and sunset at 8:04 pm. On the last day of the month, sunrise is at 6:24 am and sunset at 8:22 pm EDT.

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

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

In May, the average daily maximum UV index is 7. A UV Index value of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation.

Today

Tomorrow

Long-term

Year J F M A May J J A S O N D

Apr

May

Jun

Average high temperature

77.5°F

82.9°F

87.6°F

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

9.2mph

8.5mph

7.6mph

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

12.7

14.3

20.7

Average snowfall days

Average daylight

Average sunshine

Average sunshine days

15.5

14.4

6.7

Average UV index

Average cloud cover

Average visibility

Average temperature in May
Mayport, FL

Average high temperature in May: 82.9°F

The warmest month (with the highest average high temperature) is July (89.2°F).
The month with the lowest average high temperature is January (62.6°F).

Average low temperature in May: 69.6°F

The month with the highest average low temperature is August (78.3°F).
The coldest month (with the lowest average low temperature) is January (50.2°F).

Average pressure in May
Mayport, FL

Average pressure in May: 30.02"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The months with the lowest atmospheric pressure are August and September (29.98"Hg).

Average wind speed in May
Mayport, FL

Average wind speed in May: 8mph

The windiest months (with the highest average wind speed) are January, March, April, October and November (8.5mph).
The calmest month (with the lowest average wind speed) is August (6.7mph).

Average humidity in May
Mayport, FL

Average humidity in May: 72%

The months with the highest relative humidity are August and December (76%).
The month with the lowest relative humidity is March (71%).

Average rainfall in May
Mayport, FL

Average rainfall in May: 2.68"

The wettest month (with the highest rainfall) is August (5.12").
The driest month (with the least rainfall) is January (1.3").

Average rainfall days in May
Mayport, FL

Average rainfall days in May: 14.3 days

The month with the highest number of rainy days is August (24.7 days).
The month with the least rainy days is February (9.8 days).

Average snowfall days in May
Mayport, FL

Average snowfall days in May: 0 days

The months with the highest number of snowfall days are January, February, September and December (0.1 days).
The months with the least snowfall days are March, April, May, June, July, August, October and November (0 days).

Average daylight in May /
Average sunshine in May
Mayport, 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 42min

The month with the most sunshine is July (Average sunshine: 10h and 54min).
The months with the least sunshine are January and December (Average sunshine: 5h and 48min).

Average sunshine days in May
Mayport, FL

Average sunshine days in May: 14.4 days

The month with the most sunshine days is January (19.3 days).
The month with the least sunshine days is August (4.1 days).

Average UV index in May
Mayport, 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 December (UV index 4).

Average cloud cover in May
Mayport, FL

Average cloud cover in May: 26

The month with the most cloud cover is December (Cloud cover 39).
The month with the least cloud cover is May (Cloud cover 26).

Average visibility in May
Mayport, 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).