April weather forecast and climate
Keystone Heights, FL

Weather in April

April, like March, in Keystone Heights, Florida, is a moderately hot spring month, with temperature in the range of an average high of 81.1°F (27.3°C) and an average low of 61.3°F (16.3°C).

Temperature

In April, the average high-temperature marginally rises, from a warm 74.5°F (23.6°C) in March, to a still moderately hot 81.1°F (27.3°C). The average low-temperature, in Keystone Heights, is 61.3°F (16.3°C).

Heat index

The average heat index in April is evaluated at 85.3°F (29.6°C). Constant exposure and activity lead to possible fatigue. Prolonged exercise 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', 'real feel', 'feels like', or 'felt air temperature', is a calculated temperature value of how hot it feels when the moisture in the air is factored in. Additional factors like activity, pregnancy, wind, and differences in body mass, height, and shape 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. 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.

Humidity

In Keystone Heights, the average relative humidity in April is 72%.

Rainfall

In Keystone Heights, in April, it is raining for 11.9 days, with typically 2.17" (55mm) of accumulated precipitation. Throughout the year, there are 188.6 rainfall days, and 33.5" (851mm) of precipitation is accumulated.

Snowfall

January through November are months without snowfall.

Daylight

In Keystone Heights, Florida, the average length of the day is 12.9h.

Sunshine

In Keystone Heights, the average sunshine is 9.2h.

UV index

In April, the average daily maximum UV index in Keystone Heights is 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from unprotected exposure to the Sun's UV rays for ordinary individuals.
Note: In April, the average maximum UV index of 6 translate into the following recommendations:
Take precautions and utilize sun safety practices. Protection against the skin and eye damage is required. 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 Keystone Heights?

The average high-temperature, in April, in Keystone Heights, is 81.1°F (27.3°C), while the average low-temperature is 61.3°F (16.3°C). The average heat index (a.k.a. 'feels like', 'apparent temperature'), that combines relative humidity and air temperature, in April is estimated at 85.3°F (29.6°C).

What is the average humidity in April in Keystone Heights?

The average relative humidity in April is 72%.

How much does it rain in Keystone Heights in April?

In Keystone Heights, in April, during 11.9 rainfall days, 2.17" (55mm) of precipitation is typically accumulated.

When it does not snow in Keystone Heights?

January through November are months without snowfall.

What is the average length of the day in April in Keystone Heights?

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

How many hours of sunshine does Keystone Heights have in April?

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

What is the UV index reading in April in Keystone Heights?

In April, the average daily maximum UV index in Keystone Heights, Florida, is 6. A UV Index estimate of 6 to 7 represents a high health risk from the exposure to the Sun's UV radiation.

Average temperature in April
Keystone Heights, FL

Average temperature in April - Keystone Heights, FL
  • Average high temperature in April: 81.1°F

The warmest month (with the highest average high temperature) is July (91°F).
The month with the lowest average high temperature is January (64.2°F).

  • Average low temperature in April: 61.3°F

The month with the highest average low temperature is August (74.8°F).
The coldest month (with the lowest average low temperature) is January (46.6°F).

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Average pressure in April
Keystone Heights, FL

Average pressure in April - Keystone Heights, 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
Keystone Heights, FL

Average wind speed in April - Keystone Heights, FL
  • Average wind speed in April: 6.3mph

The windiest month (with the highest average wind speed) is April (6.3mph).
The calmest month (with the lowest average wind speed) is July (4.5mph).

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Average humidity in April
Keystone Heights, FL

Average humidity in April - Keystone Heights, FL
  • Average humidity in April: 72%

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

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Average rainfall in April
Keystone Heights, FL

Average rainfall in April - Keystone Heights, FL
  • Average rainfall in April: 2.17"

The wettest month (with the highest rainfall) is July (5.31").
The driest months (with the least rainfall) are January and November (1.5").

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Average rainfall days in April
Keystone Heights, FL

Average rainfall days in April - Keystone Heights, FL
  • Average rainfall days in April: 11.9 days

The month with the highest number of rainy days is August (25.9 days).
The month with the least rainy days is November (9 days).

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Average snowfall days in April
Keystone Heights, FL

Average snowfall days in April - Keystone Heights, FL
  • Average snowfall days in April: 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 daylight in April /
Average sunshine in April
Keystone Heights, FL

Average daylight in April / Average sunshine in April - Keystone Heights, 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 July (Average sunshine: 10.7h).
The month with the least sunshine is December (Average sunshine: 5.9h).

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Average sunshine days in April
Keystone Heights, FL

Average sunshine days in April - Keystone Heights, FL
  • Average sunshine days in April: 16.3 days

The month with the most sunshine days is January (19.9 days).
The month with the least sunshine days is July (3.6 days).

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Average UV index in April
Keystone Heights, FL

Average UV index in April - Keystone Heights, FL
  • Average UV index in April: 6

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 April
Keystone Heights, FL

Average cloud cover in April - Keystone Heights, FL
  • Average cloud cover in April: 32

The month with the most cloud cover is December (Cloud cover 40).
Months with the least cloud cover are May and October (Cloud cover 31).

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Average visibility in April
Keystone Heights, FL

Average visibility in April - Keystone Heights, FL
  • Average visibility in April: 6mi

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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