May weather forecast
Sisco, FL

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Weather in May

The last month of the spring, May, is a tropical month in Sisco, Florida, with an average temperature ranging between max 87.1°F (30.6°C) and min 67.3°F (19.6°C).

Temperature

Sisco starts May with an average high-temperature of a hot 87.1°F (30.6°C), a minor shift from April's 82.2°F (27.9°C). Throughout May, Sisco records an average temperature of 67.3°F (19.6°C) at night.

Heat index

The heat index for May is estimated at a fiery hot 98.6°F (37°C). Implement more safety precautions, heat cramps and heat exhaustion may happen. Persistent activity could induce heatstroke.
Heat index values are typically calculated for conditions of shade and a light breeze. Direct sunlight might lead to a heat index increase by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', measures the perceived warmth when incorporating the humidity present in the air. Elements such as metabolic variations, pregnancy, and physical exertion can shape one's weather perception. Sunshine, when direct, has the potential to intensify weather effects, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to babies and toddlers. Juveniles are regularly less conscious of the need to recuperate and rehydrate. Thirst is a tardy symptom of dehydration - hydration, especially during lengthy physical activities, should be maintained.
The primary way humans combat excessive warmth is by perspiring, letting sweat evaporate and cool the body. When there is an excess of moisture in the atmosphere, the efficiency of the evaporation process is lessened, leading to less efficient body cooling and a sensation of overheating. When body temperature rises due to excess heat gain beyond its removal capability, one might experience heat-related disorders.

Humidity

In May, the average relative humidity is 72%.

Rainfall

In Sisco, Florida, in May, it is raining for 10.9 days, with typically 1.46" (37mm) of accumulated precipitation. In Sisco, during the entire year, the rain falls for 151.1 days and collects up to 17.99" (457mm) of precipitation.

Daylight

In May, the average length of the day in Sisco is 13h and 38min.
On the first day of the month, sunrise is at 6:43 am and sunset at 8:03 pm. On the last day of May, in Sisco, sunrise is at 6:26 am and sunset at 8:21 pm EDT.

Sunshine

In Sisco, the average sunshine in May is 10.2h.

UV index

The months with the highest UV index in Sisco are May through August, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: In May, the average maximum UV index of 7 translates into the following recommendations:
Skirt overexposure. People with light complexions might get scorched in under 20 minutes. Minimize exposure to direct sunlight and seek shade from 10 a.m. to 4 p.m., when UV radiation is most intense, but remember that shade structures may not offer complete protection. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.
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Frequently asked questions

Is it hot in Sisco during May?

In May, the average high-temperature and low-temperature in Sisco are 87.1°F (30.6°C) and 67.3°F (19.6°C) respectively. The average heat index (a.k.a. 'feels like', 'felt air temperature'), which combines air temperature and relative humidity, in May is estimated at 98.6°F (37°C).

What is the average humidity in May in Sisco?

In May, the average relative humidity in Sisco, Florida, is 72%.

How much does it rain in Sisco in May?

In May, in Sisco, the rain falls for 10.9 days. Throughout May, 1.46" (37mm) of precipitation is accumulated.

How many hours of daylight does Sisco have in May?

In Sisco, the average day length in May is 13h and 38min.

When are sunrise and sunset in May in Sisco?

On the first day of May in Sisco, Florida, sunrise is at 6:43 am and sunset at 8:03 pm. On the last day of the month, sunrise is at 6:26 am and sunset at 8:21 pm EDT.

How many hours of sunshine does Sisco have in May?

In Sisco, the average sunshine duration in May is 10.2h.

When is the highest UV index in Sisco?

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

How high is the UV index in May in Sisco?

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

Average temperature in May
Sisco, FL

Average temperature in May - Sisco, FL
  • Average high temperature in May: 87.1°F

The warmest month (with the highest average high temperature) is August (92.3°F).
The month with the lowest average high temperature is January (66.4°F).

  • Average low temperature in May: 67.3°F

The month with the highest average low temperature is August (75.2°F).
The coldest month (with the lowest average low temperature) is January (48.7°F).

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Average pressure in May
Sisco, FL

Average pressure in May - Sisco, FL
  • Average pressure in May: 30.02"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is September (29.97"Hg).

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Average wind speed in May
Sisco, FL

Average wind speed in May - Sisco, FL
  • Average wind speed in May: 5mph

The windiest month (with the highest average wind speed) is April (5.5mph).
The calmest month (with the lowest average wind speed) is July (4mph).

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Average humidity in May
Sisco, FL

Average humidity in May - Sisco, FL
  • Average humidity in May: 72%

The months with the highest relative humidity are July, August and September (77%).
The month with the lowest relative humidity is March (71%).

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Average rainfall in May
Sisco, FL

Average rainfall in May - Sisco, FL
  • Average rainfall in May: 1.46"

The wettest month (with the highest rainfall) is July (2.68").
The driest month (with the least rainfall) is January (0.71").

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Average rainfall days in May
Sisco, FL

Average rainfall days in May - Sisco, FL
  • Average rainfall days in May: 10.9 days

The month with the highest number of rainy days is August (20.2 days).
The month with the least rainy days is November (8 days).

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

Average daylight in May / Average sunshine in May - Sisco, 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 1min

The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is December (Average sunshine: 5h and 42min).

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Average sunshine days in May
Sisco, FL

Average sunshine days in May - Sisco, FL
  • Average sunshine days in May: 17.9 days

The month with the most sunshine days is January (20.3 days).
The month with the least sunshine days is August (8.6 days).

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Average UV index in May
Sisco, FL

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

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

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Average cloud cover in May
Sisco, FL

Average cloud cover in May - Sisco, FL
  • Average cloud cover in May: 32

The months with the most cloud cover are February and December (Cloud cover 42).
The month with the least cloud cover is May (Cloud cover 32).

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Average visibility in May
Sisco, FL

Average visibility in May - Sisco, FL
  • Average visibility in May: 6mi

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October and November (6mi).
The month with the lowest visibility is December (5mi).

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Sisco, Florida, USA

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