May weather forecast
Cortez, FL

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Weather in May

The last month of the spring, May, is another warm month in Cortez, Florida, with an average temperature fluctuating between 82°F (27.8°C) and 73.4°F (23°C).

Temperature

The onset of May marks an average high-temperature of a still warm 82°F (27.8°C), hardly differing from April's 77.7°F (25.4°C). During May, Cortez's nights hold steady with an average temperature of 73.4°F (23°C), barely dropping from the daytime highs.

Heat index

The heat index in May is evaluated at a hot 87.8°F (31°C). Persisting in activity during exposure could lead to weariness and subsequently to heat cramps.
Remember that heat index calculations are made for conditions in the shade with light wind. 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 'feels like', reflects the feeling of heat when considering both air temperature and humidity. Additional elements encompassing metabolic differences, the degree of physical activity, and attire can impact the individual's perception of temperature. Be mindful that being in direct sunlight might mean feeling hotter, with the heat index rising by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for babies and toddlers. Juveniles often do not understand the need to recuperate and rehydrate. Thirst is a delayed symptom of dehydration - hence, it is vital to maintain hydration, particularly during ongoing physical activities.

Humidity

In May, the average relative humidity in Cortez, Florida, is 74%.

Rainfall

In May, the rain falls for 13.7 days. Throughout May, 1.69" (43mm) of precipitation is accumulated. In Cortez, during the entire year, the rain falls for 166.4 days and collects up to 26.38" (670mm) of precipitation.

Ocean temperature

In Cortez, in May, the average water temperature is 78.4°F (25.8°C).
Note: For swimming, diving, or other water activities, the temperature range of 77°F (25°C) to 84.2°F (29°C) is perceived as exceptionally enjoyable and comfortable even for prolonged periods.

Daylight

In May, the average length of the day in Cortez is 13h and 31min.
On the first day of the month, sunrise is at 6:50 am and sunset at 8:04 pm. On the last day of May, in Cortez, sunrise is at 6:35 am and sunset at 8:21 pm EDT.

Sunshine

May has the most sunshine of the year, with an average of 11.1h of sunshine.

UV index

The months with the highest UV index in Cortez are May through September, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high health hazard from unsafe exposure to UV radiation for the ordinary person.
Note: The maximum daily UV index of 7 during May translates into the following directions:
Exercise precautions and adapt sun safety practices. Defence against skin and eye affliction is paramount. During the period from 10 a.m. to 4 p.m., UV radiation is highest. Try to avoid direct sunlight during these hours. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Heed this! UV intensity is much stronger when reflected off sand and water.
Updated: Feb 10, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Cortez in May?

During May, Cortez experiences an average high-temperature of 82°F (27.8°C) and a low-temperature of 73.4°F (23°C). In May, the average heat index (a.k.a. 'real feel', 'feels like'), which takes the relative humidity and factors it into the air temperature reading, is evaluated at 87.8°F (31°C).

What is the average humidity in May in Cortez?

In Cortez, the average relative humidity in May is 74%.

How many days does it rain in May in Cortez?

In May, in Cortez, Florida, the rain falls for 13.7 days. Throughout May, 1.69" (43mm) of precipitation is accumulated.

What is the ocean temperature in May in Cortez?

In May, the average ocean temperature is 78.4°F (25.8°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 Cortez have in May?

The average day length in May is 13h and 31min.

What time are sunrise and sunset in May in Cortez?

On the first day of May, sunrise is at 6:50 am and sunset at 8:04 pm. On the last day of the month, sunrise is at 6:35 am and sunset at 8:21 pm EDT.

What month has the most sunshine in Cortez?

May has the most sunshine of the year in Cortez, with an average of 11.1h of sunshine.

How long on average sun shines in May in Cortez?

The average sunshine duration in May in Cortez, Florida, is 11.1h.

What is the month with the highest UV index in Cortez?

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

How high is the UV index in May in Cortez?

In Cortez, the average daily maximum UV index in May is 7. A UV Index value of 6 to 7 symbolizes a high health threat 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
Cortez, FL

Average temperature in May - Cortez, FL
  • Average high temperature in May: 82°F

The warmest month (with the highest average high temperature) is August (87.4°F).
The month with the lowest average high temperature is January (66.9°F).

  • Average low temperature in May: 73.4°F

The month with the highest average low temperature is August (80.4°F).
The coldest month (with the lowest average low temperature) is January (56.8°F).

Average pressure in May
Cortez, FL

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

The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is September (29.96"Hg).

Average wind speed in May
Cortez, FL

Average wind speed in May - Cortez, FL
  • Average wind speed in May: 8.8mph

The windiest month (with the highest average wind speed) is November (10.7mph).
The calmest month (with the lowest average wind speed) is July (7.1mph).

Average humidity in May
Cortez, FL

Average humidity in May - Cortez, FL
  • Average humidity in May: 74%

The month with the highest relative humidity is December (77%).
The month with the lowest relative humidity is October (73%).

Average rainfall in May
Cortez, FL

Average rainfall in May - Cortez, FL
  • Average rainfall in May: 1.69"

The wettest month (with the highest rainfall) is July (4.88").
The driest month (with the least rainfall) is November (0.71").

Average rainfall days in May
Cortez, FL

Average rainfall days in May - Cortez, FL
  • Average rainfall days in May: 13.7 days

The months with the highest number of rainy days are July and August (24.6 days).
The month with the least rainy days is January (7.3 days).

Average sea temperature in May
Cortez, FL

Average sea temperature in May - Cortez, FL
  • Average sea temperature in May: 78.4°F

The best month for swimming (with the highest average sea temperature) is August (86.7°F).
The coldest month (with the lowest average sea temperature) is January (64.1°F).

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

Average daylight in May / Average sunshine in May - Cortez, FL
  • Average daylight in May: 13h and 3min

The month with the longest days is June (Average daylight: 13h and 48min).
The month with the shortest days is December (Average daylight: 10h and 24min).

  • Average sunshine in May: 11h and 1min

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

Average sunshine days in May
Cortez, FL

Average sunshine days in May - Cortez, FL
  • Average sunshine days in May: 15.8 days

The month with the most sunshine days is January (22.6 days).
The months with the least sunshine days are July and August (4.8 days).

Average UV index in May
Cortez, FL

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

The months with the highest UV index are May, June, July, August and September (UV index 7).
The month with the lowest UV index is January (UV index 4).

Average cloud cover in May
Cortez, FL

Average cloud cover in May - Cortez, FL
  • Average cloud cover in May: 21

The months with the most cloud cover are January and December (Cloud cover 30).
The month with the least cloud cover is May (Cloud cover 21).

Average visibility in May
Cortez, FL

Average visibility in May - Cortez, 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).

Cortez, Florida, USA

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