Jacksonville
Florida, USA
Long-term weather forecast
Long-term weather forecast

April weather forecast and climate
Jacksonville, FL

Water geysers at the fountain of Jacksonville in Florida, with the cityscape
Water geysers at the fountain of Jacksonville in Florida, with the cityscape
April, the same as March, is another warm spring month in Jacksonville, Florida, with average temperature varying between 79.2°F (26.2°C) and 54.7°F (12.6°C).

Temperature

In Jacksonville, the average high-temperature in April slightly increases, from a moderately hot 73.8°F (23.2°C) in March, to a still warm 79.2°F (26.2°C). The average low-temperature, in Jacksonville, Florida, is 54.7°F (12.6°C).

Humidity

April is the least humid month, with an average relative humidity of 69.5%.

Rainfall

In Jacksonville, it is raining for 5.7 days, with typically 2.6" (67.1mm) of accumulated precipitation. In Jacksonville, during the entire year, the rain falls for 113.5 days and collects up to 52.4" (1330.6mm) of precipitation.

Ocean temperature

In April, the average ocean temperature in Jacksonville is 69.1°F (20.6°C). For most, swimming in 69.1°F (20.6°C) is not an enjoyable activity. Furthermore, controlling your breathing becomes progressively more difficult as the water temperature decreases from 69.8°F (21°C) to 59°F (15°C).

Daylight

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

Sunshine

In Jacksonville, the average sunshine is 9.5h.

UV index

The average daily maximum UV index in April is 10. A UV Index estimate of 8 to 10 represents a very high health hazard from the exposure to the Sun's UV rays for the average person.
The average daily UV index of 10 transform into the following instructions:
Take special precautions, as unprotected skin can be damaged and can burn quickly. 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. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.

What is the temperature in April in Jacksonville?

The average high-temperature, in April, in Jacksonville, is 79.2°F (26.2°C), while the average low-temperature is 54.7°F (12.6°C).

What is the least humid month in Jacksonville?

April is the least humid month in Jacksonville, Florida, with an average relative humidity of 69.5%.

What is the average humidity in April in Jacksonville?

The average relative humidity in April in Jacksonville, Florida, is 69.5%.

How much does it rain in Jacksonville in April?

In Jacksonville, Florida, in April, it is raining for 5.7 days, with typically 2.6" (67.1mm) of accumulated precipitation.

How cold is the water in April in Jacksonville?

In Jacksonville, Florida, the average seawater temperature in April is 69.1°F (20.6°C). For swimming, a surface water temperature of 69.1°F (20.6°C) is not enjoyable for the majority. It is not considered safe, as controlling breathing becomes progressively more difficult as water temperature decreases below 69.8°F (21°C).

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

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

How many hours of sunshine does Jacksonville have in April?

In April, the average sunshine in Jacksonville, Florida, is 9.5h.

What is the UV index intensity in April in Jacksonville?

In Jacksonville, the average daily maximum UV index in April is 10. A UV Index reading of 8 to 10 represents a very high health vulnerability from unsafe exposure to the Sun's UV rays.
Average temperature in April - Jacksonville, FL
  • Average high temperature in April: 79.2°F

The warmest month (with the highest average high temperature) is July (92°F).
The month with the lowest average high temperature is January (64.8°F).

  • Average low temperature in April: 54.7°F

The month with the highest average low temperature is August (72.7°F).
The coldest month (with the lowest average low temperature) is January (41.4°F).

Average humidity in April - Jacksonville, FL
  • Average humidity in April: 69.5%

The month with the highest relative humidity is September (80.8%).
The month with the lowest relative humidity is April (69.5%).

Average rainfall in April - Jacksonville, FL
  • Average rainfall in April: 2.6"

The wettest month (with the highest rainfall) is September (8.2").
The driest month (with the lowest rainfall) is November (2.1").

Average rainfall days in April - Jacksonville, FL
  • Average rainfall days in April: 5.7 days

The month with the highest number of rainy days is August (15 days).
The month with the lowest number of rainy days is April (5.7 days).

Average sea temperature in April - Jacksonville, FL
  • Average sea temperature in April: 69.1°F

The best month for swimming (with the highest average sea temperature) is August (83.5°F).
The coldest month (with the lowest average sea temperature) is February (60.4°F).

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

The month with the longest days is June (Average daylight: 14.1h).
The month with shortest days is December (Average daylight: 10.2h).

  • Average sunshine in April: 9.5h

The month with most sunshine is May (Average sunshine: 9.8h).
The month with least sunshine is December (Average sunshine: 5.9h).

Average UV index in April - Jacksonville, FL
  • Average UV index in April: 10

Months with the highest UV index are June and July (UV index 11).
Months with the lowest UV index are January and December (UV index 4).