May weather forecastMarianna, FL
May
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.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
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: 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: 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: 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: 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: 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: 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: 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: 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 48min
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: 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: 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: 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: 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).
