April weather forecast and climate
Irvine, FL

Weather in April

April, the same as March, is a moderately hot spring month in Irvine, Florida, with average temperature varying between 81.1°F (27.3°C) and 61.3°F (16.3°C).

Temperature

In Irvine, the average high-temperature marginally rises, from 74.8°F (23.8°C) in March, to a still moderately hot 81.1°F (27.3°C). The average low-temperature, in Irvine, Florida, is 61.3°F (16.3°C).

Heat index

The average heat index in April is evaluated at 85.5°F (29.7°C). Exhaustion is likely with prolonged exposure and activity. Sustaining activity may result in heat cramps.
Take into consideration that the heat index values are calculated for shade and light wind conditions. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature', 'feels like', 'felt air temperature', or 'real feel', is calculated by taking the relative humidity value for a specific location and factoring it into the air temperature reading. This effect is individual, with diverse people perceiving weather differently for numerous reasons (differences in body mass, height, and shape, pregnancy, wind), and activity. Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index 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 April is 73%.

Rainfall

In Irvine, during April, the rain falls for 11.3 days and regularly aggregates up to 1.93" (49mm) of precipitation. In Irvine, during the entire year, the rain falls for 162.6 days and collects up to 24.09" (612mm) of precipitation.

Daylight

In April, the average length of the day is 12.9h.

Sunshine

In April, the average sunshine is 9.2h.

UV index

In April, the average daily maximum UV index in Irvine is 6. A UV Index estimate of 6 to 7 represents a high health risk from unsafe exposure to the UV radiation for average individuals.
Note: The average daily UV index of 6 in April transform into the following instructions:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. 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. 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 April in Irvine?

In April, in Irvine, the average high-temperature is 81.1°F (27.3°C), and the average low-temperature is 61.3°F (16.3°C). The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), that combines both air temperature and relative humidity, in April is appraised at 85.5°F (29.7°C).

What is the average humidity in April in Irvine?

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

How many days does it rain in April in Irvine?

In Irvine, Florida, during April, the rain falls for 11.3 days and regularly aggregates up to 1.93" (49mm) of precipitation.

What is the average length of the day in April in Irvine?

The average length of the day in April in Irvine, Florida, is 12.9h.

How many hours of sunshine does Irvine have in April?

In April, the average sunshine in Irvine, Florida, is 9.2h.

What is the UV index reading in April in Irvine?

In Irvine, the average daily maximum UV index in April is 6. A UV Index estimate of 6 to 7 represents a high health threat from unprotected exposure to the UV radiation.

Average temperature in April
Irvine, FL

Average temperature in April - Irvine, FL
  • Average high temperature in April: 81.1°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 April: 61.3°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 (47.3°F).

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Average pressure in April
Irvine, FL

Average pressure in April - Irvine, FL
  • Average pressure in April: 30.03"

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 April
Irvine, FL

Average wind speed in April - Irvine, FL
  • Average wind speed in April: 6.5mph

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 April
Irvine, FL

Average humidity in April - Irvine, FL
  • Average humidity in April: 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 April
Irvine, FL

Average rainfall in April - Irvine, FL
  • Average rainfall in April: 1.93"

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 April
Irvine, FL

Average rainfall days in April - Irvine, FL
  • Average rainfall days in April: 11.3 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 April /
Average sunshine in April
Irvine, FL

Average daylight in April / Average sunshine in April - Irvine, FL
  • Average daylight in April: 12.9h

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 April: 9.2h

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 April
Irvine, FL

Average sunshine days in April - Irvine, FL
  • Average sunshine days in April: 17 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 April
Irvine, FL

Average UV index in April - Irvine, FL
  • Average UV index in April: 6

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 April
Irvine, FL

Average cloud cover in April - Irvine, FL
  • Average cloud cover in April: 31

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 April
Irvine, FL

Average visibility in April - Irvine, FL
  • Average visibility in April: 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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