May weather forecast
South Miami, FL

Share

Weather in May

May, the last month of the spring in South Miami, is also a moderately hot month, with an average temperature fluctuating between 83.7°F (28.7°C) and 76.5°F (24.7°C).

Temperature

The start of May marks an average high-temperature of a still warm 83.7°F (28.7°C), hardly distinguishable from the conditions in April. An average low-temperature of 76.5°F (24.7°C) characterizes South Miami's May nights.

Heat index

The heat index for May is computed to be a hot 89.6°F (32°C). Long-lasting exposure and activity potentially induce a sense of weariness, with the risk of heat cramps.
When referencing the heat index, its values are suitable for shady environments and light breezes. Direct sunlight exposure may result in a rise of the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', is the outcome of merging air's temperature and its humidity metrics. The effect of weather is individual, with a variety of people experiencing it differently due to distinctions in body mass, height, and level of activity. Always consider that direct sunlight exposure might heighten the heat's effects, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular importance for children. Children frequently underestimate the necessity to rest and hydrate. Thirst is a late sign of dehydration - thus, it is vital to stay hydrated, particularly during lengthy physical exercises.

Humidity

In May, the average relative humidity in South Miami, Florida, is 70%.

Rainfall

In May, the rain falls for 12.6 days. Throughout May, 1.3" (33mm) of precipitation is accumulated. Throughout the year, in South Miami, there are 144.3 rainfall days, and 10.55" (268mm) of precipitation is accumulated.

Daylight

In May, the average length of the day is 13h and 25min.
On the first day of the month, sunrise is at 6:43 am and sunset at 7:52 pm. On the last day of May, sunrise is at 6:29 am and sunset at 8:08 pm EDT.

Sunshine

The average sunshine in May is 10.7h.

UV index

May through October, with an average maximum UV index of 7, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV radiation for ordinary individuals.
Note: The average daily UV index of 7 in May transforms into the following instructions:
Resist overexposure. Safeguarding from solar damage is indispensable. Avoid direct Sun exposure and seek shade from 10 a.m. to 4 p.m., the period of highest UV radiation. Remember, however, that not all shade structures offer full protection. To cut down UV radiation exposure by about half, sport a wide-brim hat.
[Resources]

Frequently asked questions

Is it hot in South Miami during May?

The average high-temperature, in May, in South Miami, is 83.7°F (28.7°C), while the average low-temperature is 76.5°F (24.7°C). The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which represents the influence of relative humidity on air temperature, in May is computed to be 89.6°F (32°C).

What is the average humidity in May in South Miami?

In South Miami, the average relative humidity in May is 70%.

How much does it rain in South Miami in May?

In South Miami, Florida, in May, during 12.6 rainfall days, 1.3" (33mm) of precipitation is typically accumulated.

How many hours of daylight does South Miami have in May?

The average day length in May in South Miami is 13h and 25min.

When is the sunrise / sunset in May in South Miami?

On the first day of May in South Miami, Florida, sunrise is at 6:43 am and sunset at 7:52 pm. On the last day of the month, sunrise is at 6:29 am and sunset at 8:08 pm EDT.

How many hours of sunshine does South Miami have in May?

In May, the average sunshine duration is 10.7h.

When is the highest UV index in South Miami?

May through October, with an average maximum UV index of 7, are months with the highest UV index in South Miami, Florida.

What is the UV index intensity in May in South Miami?

In May, the average daily maximum UV index in South Miami 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
South Miami, FL

Average temperature in May - South Miami, FL
  • Average high temperature in May: 83.7°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 (73.4°F).

  • Average low temperature in May: 76.5°F

The month with the highest average low temperature is August (81.9°F).
The coldest month (with the lowest average low temperature) is January (63.9°F).

[Resources]

Average pressure in May
South Miami, FL

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

The month with the highest atmospheric pressure is January (30.11"Hg).
The months with the lowest atmospheric pressure are September and October (29.95"Hg).

[Resources]

Average wind speed in May
South Miami, FL

Average wind speed in May - South Miami, FL
  • Average wind speed in May: 9.6mph

The windiest month (with the highest average wind speed) is March (10.5mph).
The calmest month (with the lowest average wind speed) is July (7.4mph).

[Resources]

Average humidity in May
South Miami, FL

Average humidity in May - South Miami, FL
  • Average humidity in May: 70%

The month with the highest relative humidity is December (74%).
The month with the lowest relative humidity is March (68%).

[Resources]

Average rainfall in May
South Miami, FL

Average rainfall in May - South Miami, FL
  • Average rainfall in May: 1.3"

The wettest month (with the highest rainfall) is August (1.85").
The driest month (with the least rainfall) is January (0.31").

[Resources]

Average rainfall days in May
South Miami, FL

Average rainfall days in May - South Miami, FL
  • Average rainfall days in May: 12.6 days

The month with the highest number of rainy days is September (18.5 days).
The month with the least rainy days is February (6.7 days).

[Resources]

Average daylight in May /
Average sunshine in May
South Miami, FL

Average daylight in May / Average sunshine in May - South Miami, 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 36min).

  • Average sunshine in May: 10h and 4min

The month with the most sunshine is July (Average sunshine: 11h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 30min).

[Resources]

Average sunshine days in May
South Miami, FL

Average sunshine days in May - South Miami, FL
  • Average sunshine days in May: 14.5 days

The month with the most sunshine days is January (21.5 days).
The month with the least sunshine days is September (6.6 days).

[Resources]

Average UV index in May
South Miami, FL

Average UV index in May - South Miami, FL
  • Average UV index in May: 7

The months with the highest UV index are May, June, July, August, September and October (UV index 7).
The month with the lowest UV index is January (UV index 5).

[Resources]

Average cloud cover in May
South Miami, FL

Average cloud cover in May - South Miami, FL
  • Average cloud cover in May: 28

The month with the most cloud cover is October (Cloud cover 34).
The month with the least cloud cover is April (Cloud cover 25).

[Resources]

Average visibility in May
South Miami, FL

Average visibility in May - South Miami, 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).

[Resources]

South Miami, Florida, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location