May weather forecast
Orlando, FL

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Colorful water reflection of Orlando city in Florida, USA, with its majestic skyscrapers
Colorful water reflection of Orlando city in Florida, USA, with its majestic skyscrapers

Weather in May

In May, Orlando weather shifts towards more typical summer conditions. Warm temperatures, ranging from 69.4°F (20.8°C) to 86.2°F (30.1°C), coincide with increasing daylight hours, resulting in a scorching climate. The probability of rainfall increases, but the weather remains mostly predictable and favorable for plans. The UV index also takes a slight jump ushering in the necessity for sun protection during outdoor activities. Sunshine duration extends its course to cover an average of 10.6 hours daily, the highest so far in the year.

Temperature

May's weather records an average high-temperature of a tropical 86.2°F (30.1°C), showing little deviation from April. Throughout May, an average low-temperature of 69.4°F (20.8°C) is expected.

Heat index

May's mean heat index is estimated at a torrid 96.8°F (36°C). Use additional protective measures, heat cramps and heat exhaustion are possible outcomes. Continuous activity might lead to heatstroke.
Bear in mind that the heat index values are determined for shaded areas and light breezes. Direct sunlight might cause an increase of up to 15 Fahrenheit (8 Celsius) degrees in the heat index.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is an estimation of the warmth sensation when considering humidity levels. The impression of weather on a person can be swayed by additional aspects, including metabolic variations, pregnancy, and activity levels. Keep it in mind, direct sunlight can augment the heat you experience, possibly pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. Youths are typically more endangered than adults since they usually sweat less. Their larger skin surface concerning their smaller bodies and higher heat production due to activity further adds to their vulnerability.
The human body cools itself through perspiration, as excessive warmth is removed from the body through sweat evaporation. Higher relative humidity impedes evaporation, thus reducing heat dispersion from the body, culminating in a sensation of overheating. Exceeding the body's heat disposal threshold results in a rise in body temperature and potential thermal disorders.

Humidity

The average relative humidity in May is 72%.

Rainfall

In May, the rain falls for 15.3 days. Throughout May, 3.23" (82mm) of precipitation is accumulated. In Orlando, during the entire year, the rain falls for 187.6 days and collects up to 33.86" (860mm) of precipitation.

Daylight

In May, the average length of the day is 13h and 35min.
On the first day of May, sunrise is at 6:44 am and sunset at 8:01 pm. On the last day of the month, sunrise is at 6:28 am and sunset at 8:18 pm EDT.

Sunshine

The average sunshine in May in Orlando is 10.6h.

UV index

The months with the highest UV index are May through September, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV rays for the average person.
Note: The UV index of 7 in May translates into these instructions:
Use measures and accept sun safety conventions. Guarding against skin and eye trauma is of high priority. 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. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat.

Frequently asked questions

Is it hot during May?

Orlando in May has an average high-temperature of 86.2°F (30.1°C) and an average low-temperature of 69.4°F (20.8°C). The average heat index (a.k.a. 'felt air temperature', 'feels like'), which combines air temperature and relative humidity, in May is estimated at 96.8°F (36°C).

What is the average humidity in May in Orlando?

In Orlando, the average relative humidity in May is 72%.

How many days does it rain in May?

In May, the rain falls for 15.3 days. Throughout May, 3.23" (82mm) of precipitation is accumulated.

What is the average length of the day in May?

The average day length in May is 13h and 35min.

When is the sunrise / sunset in May?

In May, on the first day of the month, sunrise is at 6:44 am and sunset at 8:01 pm. On the last day of the month, in Orlando, sunrise is at 6:28 am and sunset at 8:18 pm EDT.

How long on average sun shines in May?

In Orlando, the average sunshine duration in May is 10.6h.

What are the months with the highest UV index?

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

What is the UV index reading in May?

In May, the average daily maximum UV index is 7. A UV Index value of 6 to 7 symbolizes a high hazard to health from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Orlando, FL

Average temperature in May - Orlando, FL
  • Average high temperature in May: 86.2°F

The warmest month (with the highest average high temperature) is August (91°F).
The month with the lowest average high temperature is January (68.5°F).

  • Average low temperature in May: 69.4°F

The month with the highest average low temperature is August (76.8°F).
The coldest month (with the lowest average low temperature) is January (51.6°F).

Average pressure in May
Orlando, FL

Average pressure in May - Orlando, FL
  • Average pressure in May: 30.02"Hg

The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is September (29.97"Hg).

Average wind speed in May
Orlando, FL

Average wind speed in May - Orlando, FL
  • Average wind speed in May: 6mph

The windiest month (with the highest average wind speed) is April (6.6mph).
The calmest month (with the lowest average wind speed) is July (4.7mph).

Average humidity in May
Orlando, FL

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

The months with the highest relative humidity are August and September (77%).
The month with the lowest relative humidity is March (70%).

Average rainfall in May
Orlando, FL

Average rainfall in May - Orlando, FL
  • Average rainfall in May: 3.23"

The wettest month (with the highest rainfall) is August (5.31").
The driest months (with the least rainfall) are March and December (1.34").

Average rainfall days in May
Orlando, FL

Average rainfall days in May - Orlando, FL
  • Average rainfall days in May: 15.3 days

The month with the highest number of rainy days is July (24.7 days).
The month with the least rainy days is November (10 days).

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

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

The month with the longest days is June (Average daylight: 13h and 54min).
The month with the shortest days is December (Average daylight: 10h and 24min).

  • Average sunshine in May: 10h and 4min

The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is December (Average sunshine: 6h and 6min).

Average sunshine days in May
Orlando, FL

Average sunshine days in May - Orlando, FL
  • Average sunshine days in May: 13.5 days

The month with the most sunshine days is March (17.8 days).
The month with the least sunshine days is August (3.9 days).

Average UV index in May
Orlando, FL

Average UV index in May - Orlando, 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 4).

Average cloud cover in May
Orlando, FL

Average cloud cover in May - Orlando, FL
  • Average cloud cover in May: 28

The month with the most cloud cover is February (Cloud cover 37).
The month with the least cloud cover is May (Cloud cover 28).

Average visibility in May
Orlando, FL

Average visibility in May - Orlando, 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).

Orlando, Florida, USA

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