April weather forecast
Marco Island, FL

Stepping into April, the change to a warmer season becomes more pronounced with the region witnessing low temperatures rising to 64°F (17.8°C). There's a noted decrease in rainfall to 1.7" (43mm) as sunny days become more frequent. April is an inviting period for watersports and beach activities on Marco Island, buoyed by the refreshingly warm sea. However, the ascending UV index underscores the need for vigilant sun protection in outdoor activities.

Temperature

Marco Island experiences an average high-temperature of a still warm 82.4°F (28°C) in April, marking an insignificant shift from 78.8°F (26°C) in March. In Marco Island, in April, the average low-temperature is a comfortable 64.4°F (18°C).

Rainfall

In Marco Island, during April, the rain falls for 4 days and regularly aggregates up to 1.73" (44mm) of precipitation. Throughout the year, there are 111 rainfall days, and 51.57" (1310mm) of precipitation is accumulated.

Ocean temperature

In April, the average ocean temperature is 76.1°F (24.5°C).
Note: Depending on a person's sensitivity to cold, with regards to sunshine, wind, and air temperature, a quick swim in 76.1°F (24.5°C) water may be enjoyable. (FYI: The official water temperature required for the Olympic swimming competition is 77°F (25°C) to 82.4°F (28°C).)

Daylight

In Marco Island, the average length of the day in April is 12h and 47min.
On the first day of the month, sunrise is at 7:17 am and sunset at 7:43 pm. On the last day of April, sunrise is at 6:49 am and sunset at 7:58 pm EDT.

Sunshine

April through July, with an average of 10h of sunshine, are months with the most sunshine.

UV index

The months with the highest UV index are April through August, with an average maximum UV index of 11. A UV Index of 11, and more, symbolizes an extreme health hazard from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The UV index of 11 during April translates into the following guidance:
Employ every crucial safety step. Those with fair skin could experience burns in a matter of minutes. Remember that UV radiation from the Sun is strongest between 10 a.m. and 4 p.m. Make an effort to limit direct sun exposure during this time. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Sunscreen with a sun protection factor of no less than 30 should be used liberally and reapplied frequently on overcast days, including after every swim or outdoor activity. Be alert! The reflection of water and sand augments UV radiation intensity.