May weather forecast and climate
Irvine, FL

Weather in May

The last month of the spring, May, is a tropical month in Irvine, Florida, with average temperature fluctuating between 66.9°F (19.4°C) and 86°F (30°C).

Temperature

In May, the average high-temperature is practically the same as in April - a tropical 86°F (30°C). In Irvine, the average low-temperature is 66.9°F (19.4°C).

Heat index

In May, the average heat index is estimated at a torrid 96.4°F (35.8°C). Take special precautions - heat exhaustion and heat cramps are expected. Heatstroke may occur with lengthy activity.
Note that heat index values are valued for light wind and location in the shade. 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 'real feel', 'feels like', 'apparent temperature', or 'felt air temperature', combines air temperature and relative humidity to represent a human perceived temperature equivalent. This effect is individual, with diverse people perceiving weather differently for numerous reasons (metabolic differences, pregnancy, differences in body mass, height, and shape), and activity. 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 especially crucial for babies and toddlers. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.
Perspiration is the human body's physiological response to high temperatures and is an attempt to lower body temperature through evaporation of sweat. With a lot of moisture in the air, the evaporation process is not as effective, and the body does not cool down as efficiently, creating a perception of overheating. When heat gain surpasses the level the body can shed, body temperature begins to increase, and consequently, overheating and dehydration can occur, with varying severity.

Humidity

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

Rainfall

In Irvine, during May, the rain falls for 13.3 days and regularly aggregates up to 1.81" (46mm) of precipitation. Throughout the year, there are 162.6 rainfall days, and 24.09" (612mm) of precipitation is accumulated.

Daylight

In Irvine, the average length of the day is 13.6h.

Sunshine

With an average of 10.7h of sunshine, May has the most sunshine of the year.

UV index

Months with the highest UV index in Irvine are May through August, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high health risk from the exposure to the Sun's UV rays 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. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
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FAQ

What is the temperature in May in Irvine?

In May, in Irvine, Florida, the average high-temperature is 86°F (30°C), and the average low-temperature is 66.9°F (19.4°C). The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), that combines air temperature and relative humidity, in May is evaluated at 96.4°F (35.8°C).

What is the average humidity in May in Irvine?

The average relative humidity in May is 73%.

How much does it rain in Irvine in May?

In Irvine, Florida, in May, during 13.3 rainfall days, 1.81" (46mm) of precipitation is typically accumulated.

How many hours of daylight does Irvine have in May?

The average length of the day in May in Irvine, Florida, is 13.6h.

What month has the most sunshine in Irvine?

May has the most sunshine of the year in Irvine, with an average of 10.7h of sunshine.

How many hours of sunshine does Irvine have in May?

The average sunshine in May is 10.7h.

When is the highest UV index in Irvine?

Months with the highest UV index in Irvine, Florida, are May through August, with an average maximum UV index of 7.

What is the UV index intensity in May in Irvine?

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

Average temperature in May
Irvine, FL

Average temperature in May - Irvine, FL
  • Average high temperature in May: 86°F

The warmest month (with the highest average high temperature) is August (90.7°F).
The month with the lowest average high temperature is January (65.3°F).

  • Average low temperature in May: 66.9°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 (47.3°F).

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Average pressure in May
Irvine, FL

Average pressure in May - Irvine, FL
  • Average pressure in May: 30.01"

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

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Average wind speed in May
Irvine, FL

Average wind speed in May - Irvine, FL
  • Average wind speed in May: 5.7mph

The windiest month (with the highest average wind speed) is April (6.5mph).
The calmest month (with the lowest average wind speed) is July (4.5mph).

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Average humidity in May
Irvine, FL

Average humidity in May - Irvine, FL
  • Average humidity in May: 73%

Months with the highest relative humidity are July, August and September (78%).
The month with the lowest relative humidity is March (71%).

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Average rainfall in May
Irvine, FL

Average rainfall in May - Irvine, FL
  • Average rainfall in May: 1.81"

The wettest month (with the highest rainfall) is July (3.66").
The driest month (with the least rainfall) is November (1.26").

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Average rainfall days in May
Irvine, FL

Average rainfall days in May - Irvine, FL
  • Average rainfall days in May: 13.3 days

The month with the highest number of rainy days is July (21.3 days).
The month with the least rainy days is November (7.8 days).

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

Average daylight in May / Average sunshine in May - Irvine, 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 May (Average sunshine: 10.7h).
The month with the least sunshine is December (Average sunshine: 6h).

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Average sunshine days in May
Irvine, FL

Average sunshine days in May - Irvine, FL
  • Average sunshine days in May: 15.4 days

The month with the most sunshine days is November (20.5 days).
The month with the least sunshine days is August (6.8 days).

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Average UV index in May
Irvine, FL

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

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
Irvine, FL

Average cloud cover in May - Irvine, FL
  • Average cloud cover in May: 29

Months with the most cloud cover are February and December (Cloud cover 38).
The month with the least cloud cover is May (Cloud cover 29).

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Average visibility in May
Irvine, FL

Average visibility in May - Irvine, 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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