May weather forecast
Marianna, FL

Share

Weather in May

The last month of the spring, May, is another warm month in Marianna, Florida, with an average temperature fluctuating between 84.9°F (29.4°C) and 65.7°F (18.7°C).

Temperature

May's arrival signals a subtle increase in average high-temperatures, moving from April's 78.3°F (25.7°C) to a still moderately hot 84.9°F (29.4°C). In Marianna, the average temperature during the nights of May drops to a comfortable 65.7°F (18.7°C).

Heat index

In May, the heat index is evaluated at a tropical 93.2°F (34°C). Additional precautions are required to avert heat cramps and heat exhaustion. Persistent activity may culminate in heatstroke.
Bear in mind that the heat index values are determined for shaded areas and light breezes. Exposure to the direct sun might augment heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', gauges the sensation of temperature factoring in the air's moisture content. The perception of temperature can be subjective, varying based on activity and individual heat sensitivity, influenced by factors like wind, attire, and metabolic variations. Consider that direct sun exposure can intensify the felt heat, adding potentially 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are extremely significant for babies and toddlers. Children often do not understand the need to rest and hydrate. Thirst is a late manifestation of dehydration - therefore, it is essential to stay hydrated, particularly during prolonged physical activities.

Humidity

The least humid month is May, with an average relative humidity of 70%.

Rainfall

In May, the rain falls for 14.8 days. Throughout May, 2.91" (74mm) of precipitation is accumulated. Throughout the year, there are 185.3 rainfall days, and 37.24" (946mm) of precipitation is accumulated.

Snowfall

February through December are months without snowfall in Marianna.

Daylight

In Marianna, Florida, the average length of the day in May is 13h and 43min.
On the first day of the month, sunrise is at 5:56 am and sunset at 7:19 pm. On the last day of May, in Marianna, sunrise is at 5:38 am and sunset at 7:38 pm CDT.

Sunshine

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

UV index

May through August, with an average maximum UV index of 7, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV rays for the average person.
Note: The maximum daily UV index, 7 in May, converts into the following recommendations:
Persist in precautions and follow sun safety policies. Keeping sunburn at bay is imperative. Limit direct sun exposure and seek shade between 10 a.m. and 4 p.m., the time of the most intense UV radiation, noting that shade structures may not provide total sun protection. Tightly woven clothing, when worn loosely, shields effectively against the Sun.
Updated: Feb 10, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot is May in Marianna?

The high-temperature in Marianna during May is 84.9°F (29.4°C) and the low-temperature is 65.7°F (18.7°C). In May, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which calculates the temperature value influenced by the moisture in the air, is evaluated at 93.2°F (34°C).

What is the least humid month in Marianna?

With an average relative humidity of 70%, May is the least humid month in Marianna, Florida.

What is the average humidity in May in Marianna?

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

How many days does it rain in May in Marianna?

In Marianna, in May, during 14.8 rainfall days, 2.91" (74mm) of precipitation is typically accumulated.

When it does not snow in Marianna?

In Marianna, Florida, snow does not fall in February through December.

How many hours of daylight does Marianna have in May?

In Marianna, Florida, the average day length in May is 13h and 43min.

What time are sunrise and sunset in May in Marianna?

On the first day of May in Marianna, sunrise is at 5:56 am and sunset at 7:19 pm. On the last day of the month, sunrise is at 5:38 am and sunset at 7:38 pm CDT.

How many hours of sunshine does Marianna have in May?

In May, the average sunshine duration in Marianna is 10.8h.

What are the months with the highest UV index in Marianna?

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

How high is the UV index in May in Marianna?

In Marianna, the average daily maximum UV index in May 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 snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Marianna, FL

Average temperature in May - Marianna, FL
  • Average high temperature in May: 84.9°F

The warmest month (with the highest average high temperature) is July (90.5°F).
The month with the lowest average high temperature is January (59.2°F).

  • Average low temperature in May: 65.7°F

The month with the highest average low temperature is August (74.5°F).
The coldest month (with the lowest average low temperature) is January (43°F).

Average pressure in May
Marianna, FL

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

The month with the highest atmospheric pressure is January (30.16"Hg).
The months with the lowest atmospheric pressure are June, August and September (29.98"Hg).

Average wind speed in May
Marianna, FL

Average wind speed in May - Marianna, FL
  • Average wind speed in May: 5.8mph

The windiest months (with the highest average wind speed) are February and March (7.1mph).
The calmest month (with the lowest average wind speed) is August (5mph).

Average humidity in May
Marianna, FL

Average humidity in May - Marianna, FL
  • Average humidity in May: 70%

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

Average rainfall in May
Marianna, FL

Average rainfall in May - Marianna, FL
  • Average rainfall in May: 2.91"

The wettest month (with the highest rainfall) is August (5.55").
The driest month (with the least rainfall) is November (1.61").

Average rainfall days in May
Marianna, FL

Average rainfall days in May - Marianna, FL
  • Average rainfall days in May: 14.8 days

The months with the highest number of rainy days are July and August (25.3 days).
The month with the least rainy days is November (8.2 days).

Average snowfall in May
Marianna, FL

Average snowfall in May - Marianna, FL
  • Average snowfall in May: 0"

The month with the highest snowfall is January (0.08").
The months with the least snowfall are February, March, April, May, June, July, August, September, October, November and December (0").

Average snowfall days in May
Marianna, FL

Average snowfall days in May - Marianna, FL
  • Average snowfall days in May: 0 days

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

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

Average daylight in May / Average sunshine in May - Marianna, 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 months with the most sunshine are June and July (Average sunshine: 10h and 54min).
The month with the least sunshine is February (Average sunshine: 5h and 30min).

Average sunshine days in May
Marianna, FL

Average sunshine days in May - Marianna, FL
  • Average sunshine days in May: 14.3 days

The month with the most sunshine days is November (20.3 days).
The month with the least sunshine days is August (3.8 days).

Average UV index in May
Marianna, FL

Average UV index in May - Marianna, FL
  • Average UV index in May: 7

The months with the highest UV index are May, June, July and August (UV index 7).
The months with the lowest UV index are January and December (UV index 3).

Average cloud cover in May
Marianna, FL

Average cloud cover in May - Marianna, FL
  • Average cloud cover in May: 27

The months with the most cloud cover are February and December (Cloud cover 41).
The months with the least cloud cover are May and October (Cloud cover 27).

Average visibility in May
Marianna, FL

Average visibility in May - Marianna, 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).

Marianna, Florida, USA

Weather forecast for your location

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