Merritt Island Florida Climate Data

Monthly Average Climate Data for Merritt Island Florida

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January53.6 °F69.8 °F2.87 in.
February55.6 °F71.9 °F2.54 in.
March59.6 °F74.8 °F3.28 in.
April64.8 °F79.1 °F2.88 in.
May69.9 °F83.3 °F3.53 in.
June73.9 °F86.7 °F7.05 in.
July75.0 °F88.6 °F6.54 in.
August75.7 °F88.4 °F7.41 in.
September75.0 °F87.1 °F8.18 in.
October70.8 °F83.0 °F5.54 in.
November63.0 °F76.9 °F2.78 in.
December57.2 °F72.3 °F2.45 in.
Annual66.2 °F80.2 °F55.05 in.

Climate Data for Merritt Island Florida

Average First Frost DateNo Frost
Average Last Frost DateJan. 21 - Jan. 31
Average Days With FrostFrost Free
Plant Hardiness Zone - 2023Zone 10a : 30°F to 25°F
Plant Hardiness Zone - 2012Zone 9b : 25°F to 20°F
Current Drought ConditionsNormal
Köppen Climate ClassificationCfa - Humid Subtropical Climate