May weather forecast
Old Marco Junction, FL

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Weather in May

The last month of the spring, May, is also a moderately hot month in Old Marco Junction, Florida, with an average temperature varying between 74.1°F (23.4°C) and 84.4°F (29.1°C).

Temperature

Old Marco Junction marks the onset of May with an average high-temperature of a still moderately hot 84.4°F (29.1°C), subtly divergent from April's 81°F (27.2°C). Old Marco Junction anticipates an average minimum temperature of 74.1°F (23.4°C) in the month of May.

Heat index

May's average heat index is calculated to be a tropical 93.2°F (34°C). Ensure additional precautions, heat exhaustion and heat cramps may be expected. Heatstroke could occur from sustained activity.
The metrics for the heat index are tailored for both shady environments and light winds. A rise of up to 15 Fahrenheit (8 Celsius) degrees in the heat index could result from direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', is an indicator that blends the effects of temperature and humidity to depict perceived warmth. Elements such as metabolic variations, pregnancy, and physical exertion can influence one's weather perception. Keep aware, the sun, when shining directly, can intensify the heat experience, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for babies and toddlers. Kids frequently ignore the importance of taking a break and rehydrating. Thirst is a late symptom of dehydration - thus, it is crucial to stay hydrated, especially during long-lasting physical activities.

Humidity

In May, the average relative humidity in Old Marco Junction is 73%.

Rainfall

In May, in Old Marco Junction, Florida, the rain falls for 15.3 days. Throughout May, 2.09" (53mm) of precipitation is accumulated. Throughout the year, there are 162.1 rainfall days, and 21.69" (551mm) of precipitation is accumulated.

Daylight

In May, the average length of the day in Old Marco Junction is 13h and 26min.
On the first day of the month, sunrise is at 6:48 am and sunset at 7:58 pm. On the last day of May, sunrise is at 6:34 am and sunset at 8:14 pm EDT.

Sunshine

The months with the most sunshine in Old Marco Junction are May and July, with an average of 11.1h of sunshine.

UV index

May through September, with an average maximum UV index of 7, are months with the highest UV index. A UV Index reading of 6 to 7 represents a high health vulnerability from unprotected exposure to Sun's UV rays for the average person.
Note: In May, a daily maximum UV index of 7 leads to the following instructions:
Elude overexposure. Fair-skinned people could get burnt in less than 20 minutes. Stay out of direct sunlight between 10 a.m. and 4 p.m., when UV radiation is most intense, and remember that not all shade structures provide complete protection. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.
Updated: Feb 10, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot is it in Old Marco Junction in May?

An average high-temperature, in May, in Old Marco Junction, is 84.4°F (29.1°C) and the average low-temperature is 74.1°F (23.4°C). In May, the average heat index (a.k.a. 'real feel', 'felt air temperature'), which combines relative humidity and air temperature, is calculated to be 93.2°F (34°C).

What is the average humidity in May in Old Marco Junction?

The average relative humidity in May in Old Marco Junction, Florida, is 73%.

How much does it rain in Old Marco Junction in May?

In May, in Old Marco Junction, Florida, the rain falls for 15.3 days. Throughout May, 2.09" (53mm) of precipitation is accumulated.

How many hours of daylight does Old Marco Junction have in May?

In Old Marco Junction, Florida, the average day length in May is 13h and 26min.

When are sunrise and sunset in May in Old Marco Junction?

On the first day of May, sunrise is at 6:48 am and sunset at 7:58 pm. On the last day of the month, sunrise is at 6:34 am and sunset at 8:14 pm EDT.

What is the month with the most sunshine in Old Marco Junction?

The months with the most sunshine in Old Marco Junction are May and July, with an average of 11.1h of sunshine.

How long on average sun shines in May in Old Marco Junction?

The average sunshine duration in May in Old Marco Junction is 11.1h.

What is the month with the highest UV index in Old Marco Junction?

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 Old Marco Junction?

The average daily maximum UV index in May in Old Marco Junction is 7. A UV Index value of 6 to 7 symbolizes 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
Old Marco Junction, FL

Average temperature in May - Old Marco Junction, FL
  • Average high temperature in May: 84.4°F

The warmest month (with the highest average high temperature) is August (88.3°F).
The month with the lowest average high temperature is January (71.6°F).

  • Average low temperature in May: 74.1°F

The month with the highest average low temperature is August (80.2°F).
The coldest month (with the lowest average low temperature) is January (59.5°F).

Average pressure in May
Old Marco Junction, FL

Average pressure in May - Old Marco Junction, FL
  • Average pressure in May: 30"Hg

The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is September (29.94"Hg).

Average wind speed in May
Old Marco Junction, FL

Average wind speed in May - Old Marco Junction, FL
  • Average wind speed in May: 7.8mph

The windiest month (with the highest average wind speed) is November (9.2mph).
The calmest month (with the lowest average wind speed) is July (6.2mph).

Average humidity in May
Old Marco Junction, FL

Average humidity in May - Old Marco Junction, FL
  • Average humidity in May: 73%

The month with the highest relative humidity is December (76%).
The month with the lowest relative humidity is March (72%).

Average rainfall in May
Old Marco Junction, FL

Average rainfall in May - Old Marco Junction, FL
  • Average rainfall in May: 2.09"

The wettest month (with the highest rainfall) is August (4.29").
The driest month (with the least rainfall) is March (0.63").

Average rainfall days in May
Old Marco Junction, FL

Average rainfall days in May - Old Marco Junction, FL
  • Average rainfall days in May: 15.3 days

The month with the highest number of rainy days is August (22.4 days).
The month with the least rainy days is February (7 days).

Average daylight in May /
Average sunshine in May
Old Marco Junction, FL

Average daylight in May / Average sunshine in May - Old Marco Junction, FL
  • Average daylight in May: 13h and 2min

The month with the longest days is June (Average daylight: 13h and 42min).
The month with the shortest days is December (Average daylight: 10h and 30min).

  • Average sunshine in May: 11h and 1min

The months with the most sunshine are May and July (Average sunshine: 11h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 42min).

Average sunshine days in May
Old Marco Junction, FL

Average sunshine days in May - Old Marco Junction, FL
  • Average sunshine days in May: 12.9 days

The month with the most sunshine days is January (21.8 days).
The month with the least sunshine days is August (6.8 days).

Average UV index in May
Old Marco Junction, FL

Average UV index in May - Old Marco Junction, 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 February (UV index 5).

Average cloud cover in May
Old Marco Junction, FL

Average cloud cover in May - Old Marco Junction, FL
  • Average cloud cover in May: 23

The month with the most cloud cover is January (Cloud cover 28).
The months with the least cloud cover are March and April (Cloud cover 22).

Average visibility in May
Old Marco Junction, FL

Average visibility in May - Old Marco Junction, 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).

Old Marco Junction, Florida, USA

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