May Weather in Deltona, FL

Typical weather conditions during May

Temperature

Average Temperature

77°F

Average High

87°F

Average Low

69°F

Precipitation & Humidity

Average Monthly Precipitation

4.16 inches

Rainy Days

20.8 days

Average Humidity

64%

Data Information

Data Years: 2020 - 2024

Last Updated: September 10, 2025