May weather forecast and climate
Cedar Key, FL

Weather in May

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

Temperature

In Cedar Key, the average high-temperature in May is practically the same as in April - a still moderately hot 84.9°F (29.4°C). In Cedar Key, the average low-temperature is 67.1°F (19.5°C).

Heat index

The average heat index is estimated at a tropical 93.7°F (34.3°C). Take extra precautions, as heat cramps and heat exhaustion are possible. Sustained activity may result in heatstroke.
Take into consideration that the heat index values are calculated for shade and light wind conditions. With the exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature', 'feels like', 'real feel', or 'felt air temperature', is what the temperature feels like to the human body when the air temperature is combined with the relative humidity. Additional factors like activity, clothing, differences in body mass, height, and shape, and metabolic differences affect individual temperature impact. Be aware that direct exposure to sunlight increases heat impact, and may raise the heat index additionally, by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it is vital to remain hydrated, particularly during prolonged physical activities.

Humidity

The average relative humidity in Cedar Key is 73%.

Rainfall

In May, in Cedar Key, the rain falls for 12.8 days. Throughout May, 1.61" (41mm) of precipitation is 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 is 78.1°F (25.6°C).
Note: For swimming, diving, and other water activities, temperatures between 77°F (25°C) and 84.2°F (29°C) are perceived as very enjoyable and pleasurable for prolonged periods without feeling uncomfortable.

Daylight

In May, the average length of the day in Cedar Key is 13.6h.

Sunshine

In Cedar Key, Florida, 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 threat to health from unsafe exposure to the UV radiation for average individuals.
Note: The average daily UV index of 7 transform into the following instructions:
Take precautions against overexposure. Protection against sun damage is needed. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Beware! The strength of the UV rays is significantly increased by the reflection of the water and sand.
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FAQ

What is the temperature in May in Cedar Key?

In May, in Cedar Key, the average high-temperature is 84.9°F (29.4°C), and the average low-temperature is 67.1°F (19.5°C). The average heat index (a.k.a. 'real feel', 'feels like'), that combines air temperature and relative humidity, in May is evaluated at 93.7°F (34.3°C).

What is the average humidity in May in Cedar Key?

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

How much does it rain in Cedar Key in May?

In Cedar Key, Florida, during May, the rain falls for 12.8 days and regularly aggregates up to 1.61" (41mm) of precipitation.

When it does not snow in Cedar Key?

January through November are months without snowfall in Cedar Key, Florida.

How warm is the water in May in Cedar Key?

In May, the average ocean temperature in Cedar Key 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 length of the day in Cedar Key is 13.6h.

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

The average sunshine 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 in Cedar Key.

How high is the UV index in May in Cedar Key?

In May, the average daily maximum UV index in Cedar Key is 7. A UV Index of 6 to 7 symbolizes a high hazard to health from the exposure to the Sun's UV radiation.

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).

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Average pressure in May
Cedar Key, FL

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

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

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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).

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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%).

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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").

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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).

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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).
Months with the least snowfall days are January, February, March, April, May, June, July, August, September, October and November (0 days).

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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).

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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: 13.6h

The month with the longest days is June (Average daylight: 14h).
The month with the shortest days is December (Average daylight: 10.3h).

  • Average sunshine in May: 10.7h

The month with the most sunshine is July (Average sunshine: 10.8h).
The month with the least sunshine is December (Average sunshine: 6h).

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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).

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Average UV index in May
Cedar Key, FL

Average UV index in May - Cedar Key, FL
  • Average UV index in May: 7

Months with the highest UV index are May, June, July and August (UV index 7).
Months with the lowest UV index are January and December (UV index 4).

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Average cloud cover in May
Cedar Key, FL

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

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).

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Average visibility in May
Cedar Key, FL

Average visibility in May - Cedar Key, FL
  • Average visibility in May: 6mi

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

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