April weather forecast
St. Augustine, FL

Palm trees and colorful houses in front of water fountains in a popular town square in St. Augustine, Florida
Palm trees and colorful houses in front of water fountains in a popular town square in St. Augustine, Florida

Weather in April

April in St. Augustine is a warm spring month, with an average temperature varying between 78.1°F (25.6°C) and 57.9°F (14.4°C).

Temperature

In St. Augustine, the average high-temperature in April is essentially the same as in March - a warm 78.1°F (25.6°C). In St. Augustine, in April, the average low-temperature is 57.9°F (14.4°C).

Rainfall

In St. Augustine, it is raining for 6 days, with typically 2.6" (66mm) of accumulated precipitation. Throughout the year, in St. Augustine, Florida, there are 116 rainfall days, and 50" (1270mm) of precipitation is accumulated.

Ocean temperature

In St. Augustine, the average water temperature is 71.2°F (21.8°C).
Note: For most, swimming in 71.2°F (21.8°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

In St. Augustine, the average length of the day in April is 12h and 55min.
On the first day of the month, sunrise is at 7:14 am and sunset at 7:43 pm. On the last day of April, in St. Augustine, sunrise is at 6:43 am and sunset at 8:01 pm EDT.

Sunshine

March through August, with an average of 9h of sunshine, are months with the most sunshine in St. Augustine, Florida.

UV index

In St. Augustine, the average daily maximum UV index in April is 10. A UV Index estimate of 8 to 10 represents a very high health vulnerability from exposure to the Sun's UV radiation for the average person.
Note: The average daily UV index of 10 in April transform into the following instructions:
Take special precautions, as unprotected eyes and skin can be burned and damaged 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. Protect yourself by liberally applying a sunscreen of at least 30 SPF. Sunscreen prevents sunburn and decreases the damaging effects of Sun's radiation on the immune system. Caution! The reflection of sand and water significantly increases the intensity of the Sun's UV radiation.
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FAQ

What is the temperature in April in St. Augustine?

In St. Augustine, Florida, in April, the average high-temperature is 78.1°F (25.6°C), and the average low-temperature is 57.9°F (14.4°C).

How much does it rain in St. Augustine in April?

In St. Augustine, in April, it is raining for 6 days, with typically 2.6" (66mm) of accumulated precipitation.

What is the ocean temperature in April in St. Augustine?

In St. Augustine, Florida, in April, the average water temperature is 71.2°F (21.8°C). For most, swimming in 71.2°F (21.8°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).

What is the average length of the day in April in St. Augustine?

In April, the average day length in St. Augustine is 12h and 55min.

What time are sunrise and sunset in April in St. Augustine?

In April, on the first day of the month, sunrise is at 7:14 am and sunset at 7:43 pm. On the last day of the month, in St. Augustine, sunrise is at 6:43 am and sunset at 8:01 pm EDT.

What are the months with the most sunshine in St. Augustine?

The months with the most sunshine in St. Augustine, Florida, are March through August, with an average of 9h of sunshine.

How many hours of sunshine does St. Augustine have in April?

In St. Augustine, the average sunshine duration in April is 9h.

What is the UV index reading in April in St. Augustine?

In St. Augustine, the average daily maximum UV index in April is 10. A UV Index value of 8 to 10 symbolizes a very high health risk from exposure to the Sun's UV radiation.
Average rainfall days
Average sunshine
Average UV index

Average temperature in April
St. Augustine, FL

Average temperature in April - St. Augustine, FL
  • Average high temperature in April: 78°F

The warmest month (with the highest average high temperature) is July (90°F).
The month with the lowest average high temperature is January (66°F).

  • Average low temperature in April: 58°F

The month with the highest average low temperature is August (73°F).
The coldest month (with the lowest average low temperature) is January (46°F).

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Average rainfall in April
St. Augustine, FL

Average rainfall in April - St. Augustine, FL
  • Average rainfall in April: 2.6"

The wettest month (with the highest rainfall) is September (7.5").
The driest month (with the least rainfall) is November (2.3").

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Average rainfall days in April
St. Augustine, FL

Average rainfall days in April - St. Augustine, FL
  • Average rainfall days in April: 6 days

The months with the highest number of rainy days are July and August (15 days).
The month with the least rainy days is April (6 days).

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Average sea temperature in April
St. Augustine, FL

Average sea temperature in April - St. Augustine, FL
  • Average sea temperature in April: 71.3°F

The best month for swimming (with the highest average sea temperature) is August (83.8°F).
The coldest months (with the lowest average sea temperature) are January and February (64.3°F).

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Average daylight in April /
Average sunshine in April
St. Augustine, FL

Average daylight in April / Average sunshine in April - St. Augustine, FL
  • Average daylight in April: 12h and 55min

The month with the longest days is June (Average daylight: 14h and 2min).
The month with the shortest days is December (Average daylight: 10h and 16min).

  • Average sunshine in April: 9h

The months with the most sunshine are March, April, May, June, July and August (Average sunshine: 9h).
The month with the least sunshine is December (Average sunshine: 6h).

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Average UV index in April
St. Augustine, FL

Average UV index in April - St. Augustine, FL
  • Average UV index in April: 10

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

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