May weather forecast
Cedar Key, FL

Share

Weather in May

The last month of the spring, May, is also a moderately hot month in Cedar Key, Florida, with an average temperature varying between 67.1°F (19.5°C) and 84.9°F (29.4°C).

Temperature

With the onset of May, the average high-temperature registers at a still moderately hot 84.9°F (29.4°C), subtly different from April's 79.9°F (26.6°C). Throughout May, the average low-temperature in Cedar Key records at an enjoyable 67.1°F (19.5°C).

Heat index

Throughout May, the heat index is computed to be a tropical 93.2°F (34°C). Take more caution, heat exhaustion and heat cramps may occur. Long-lasting activity may cause heatstroke.
It is important to note that the heat index values are for shaded areas and light wind scenarios. The presence of direct sunlight can raise the heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', blends air temperature and moisture content to represent the felt temperature to humans. A person's impression of weather can be shaped by many aspects, among them metabolic variations, pregnancy, and levels of physical activity. Awareness of direct sun exposure is crucial as it has the potential to heighten the weather's effects, pushing up the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially vital to children. Children often miss understanding the importance of rest and rehydration. Thirst usually appears late during dehydration - therefore, maintaining hydration, particularly during long physical activities, is essential.

Humidity

In Cedar Key, the average relative humidity in May is 73%.

Rainfall

In Cedar Key, in May, during 12.8 rainfall days, 1.61" (41mm) of precipitation is typically accumulated. Throughout the year, there are 154 rainfall days, and 21.69" (551mm) of precipitation is accumulated.

Snowfall

January through November are months without snowfall.

Ocean temperature

In Cedar Key, the average seawater temperature in May is 78.1°F (25.6°C).
Note: For any water activity, having surface water temperatures from 77°F (25°C) to 84.2°F (29°C) is considered outstanding and highly delightful for lengthened periods.

Daylight

In Cedar Key, the average length of the day in May is 13h and 37min.
On the first day of May, sunrise is at 6:49 am and sunset at 8:08 pm. On the last day of the month, sunrise is at 6:33 am and sunset at 8:26 pm EDT.

Sunshine

In Cedar Key, the average sunshine in May is 10.7h.

UV index

May through August, 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 health risk from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The maximum daily UV index of 7 during May translates into the following directions:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. Make an effort to avoid direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation, and note that objects like parasols or canopies might not offer full sun protection. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Watch out! Sand and water enhance the UV exposure you receive.
Updated: Jul 21, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot is May in Cedar Key?

The high-temperature, in May, in Cedar Key, is 84.9°F (29.4°C), while the low-temperature averages to 67.1°F (19.5°C). The average heat index (a.k.a. 'apparent temperature', 'real feel'), which takes the relative humidity and factors it into the air temperature reading, in May is computed to be 93.2°F (34°C).

What is the average humidity in May?

In Cedar Key, the average relative humidity in May is 73%.

How much does it rain in Cedar Key in May?

In May, in Cedar Key, the rain falls for 12.8 days. Throughout May, 1.61" (41mm) of precipitation is accumulated.

When it does not snow?

In Cedar Key, snow does not fall in January through November.

What is the ocean temperature in May?

In Cedar Key, the average seawater temperature in May is 78.1°F (25.6°C). Water temperature between 77°F (25°C) and 84.2°F (29°C) is regarded as very warm and enjoyable by all. With these temperatures, water activities are pleasurable, without feeling uncomfortable for prolonged periods.

How many hours of daylight does Cedar Key have in May?

In May, the average day length is 13h and 37min.

When are sunrise and sunset in May?

On the first day of May, sunrise is at 6:49 am and sunset at 8:08 pm. On the last day of the month, sunrise is at 6:33 am and sunset at 8:26 pm EDT.

How long on average sun shines in May?

In Cedar Key, the average sunshine duration in May is 10.7h.

What are the months with the highest UV index in Cedar Key?

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

What is the UV index reading in May?

In May, the average daily maximum UV index is 7. A UV Index estimate of 6 to 7 represents a high health threat from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Cedar Key, FL

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

The warmest month (with the highest average high temperature) is August (90.3°F).
The month with the lowest average high temperature is January (64°F).

  • Average low temperature in May: 67.1°F

The month with the highest average low temperature is August (76.5°F).
The coldest month (with the lowest average low temperature) is January (47.7°F).

Average pressure in May
Cedar Key, FL

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

The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is September (29.97"Hg).

Average wind speed in May
Cedar Key, FL

Average wind speed in May - Cedar Key, FL
  • Average wind speed in May: 6.3mph

The windiest months (with the highest average wind speed) are January, February and March (7.3mph).
The calmest months (with the lowest average wind speed) are July and August (5.2mph).

Average humidity in May
Cedar Key, FL

Average humidity in May - Cedar Key, FL
  • Average humidity in May: 73%

The month with the highest relative humidity is September (77%).
The month with the lowest relative humidity is January (71%).

Average rainfall in May
Cedar Key, FL

Average rainfall in May - Cedar Key, FL
  • Average rainfall in May: 1.61"

The wettest month (with the highest rainfall) is August (3.58").
The driest month (with the least rainfall) is November (0.83").

Average rainfall days in May
Cedar Key, FL

Average rainfall days in May - Cedar Key, FL
  • Average rainfall days in May: 12.8 days

The month with the highest number of rainy days is July (22.8 days).
The month with the least rainy days is November (6.6 days).

Average snowfall days in May
Cedar Key, FL

Average snowfall days in May - Cedar Key, FL
  • Average snowfall days in May: 0 days

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

Average sea temperature in May
Cedar Key, FL

Average sea temperature in May - Cedar Key, FL
  • Average sea temperature in May: 78.1°F

The best month for swimming (with the highest average sea temperature) is August (86.4°F).
The coldest month (with the lowest average sea temperature) is January (58.4°F).

Average daylight in May /
Average sunshine in May
Cedar Key, FL

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

The month with the longest days is June (Average daylight: 14h and 0min).
The month with the shortest days is December (Average daylight: 10h and 18min).

  • 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 0min).

Average sunshine days in May
Cedar Key, FL

Average sunshine days in May - Cedar Key, FL
  • Average sunshine days in May: 15.7 days

The month with the most sunshine days is November (22.3 days).
The month with the least sunshine days is July (5.8 days).

Average UV index in May
Cedar Key, FL

Average UV index in May - Cedar Key, 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 4).

Average cloud cover in May
Cedar Key, FL

Average cloud cover in May - Cedar Key, FL
  • Average cloud cover in May: 25

The months with the most cloud cover are February and December (Cloud cover 36).
The month with the least cloud cover is May (Cloud cover 25).

Average visibility in May
Cedar Key, FL

Average visibility in May - Cedar Key, 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).

Cedar Key, Florida, USA

Weather forecast for your location

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