Annual Weather Averages Near Rehoboth Beach
Averages are for Sussex County Airport, which is 15 miles from Rehoboth Beach.
Based on weather reports collected during 1992–2021.
All Year Climate & Weather Averages in Rehoboth Beach
High Temp: 88 °F
Low Temp: 27 °F
Mean Temp: 57 °F
Precipitation: 3.65"
Humidity: 70%
Dew Point: 47 °F
Wind: 11 mph
Pressure: 30.05 "Hg
Visibility: 9 mi
January Climate & Weather Averages in Rehoboth Beach
High Temp: 45 °F
Low Temp: 27 °F
Mean Temp: 36 °F
Precipitation: 3.02"
Humidity: 68%
Dew Point: 26 °F
Wind: 12 mph
Pressure: 30.10 "Hg
Visibility: 9 mi
February Climate & Weather Averages in Rehoboth Beach
High Temp: 47 °F
Low Temp: 29 °F
Mean Temp: 38 °F
Precipitation: 2.90"
Humidity: 66%
Dew Point: 27 °F
Wind: 12 mph
Pressure: 30.09 "Hg
Visibility: 9 mi
March Climate & Weather Averages in Rehoboth Beach
High Temp: 55 °F
Low Temp: 35 °F
Mean Temp: 45 °F
Precipitation: 3.60"
Humidity: 64%
Dew Point: 33 °F
Wind: 14 mph
Pressure: 30.08 "Hg
Visibility: 9 mi
April Climate & Weather Averages in Rehoboth Beach
High Temp: 66 °F
Low Temp: 44 °F
Mean Temp: 55 °F
Precipitation: 3.23"
Humidity: 63%
Dew Point: 42 °F
Wind: 14 mph
Pressure: 30.01 "Hg
Visibility: 9 mi
May Climate & Weather Averages in Rehoboth Beach
High Temp: 74 °F
Low Temp: 53 °F
Mean Temp: 64 °F
Precipitation: 3.65"
Humidity: 70%
Dew Point: 53 °F
Wind: 12 mph
Pressure: 30.01 "Hg
Visibility: 9 mi
June Climate & Weather Averages in Rehoboth Beach
High Temp: 83 °F
Low Temp: 63 °F
Mean Temp: 73 °F
Precipitation: 3.94"
Humidity: 71%
Dew Point: 63 °F
Wind: 11 mph
Pressure: 29.98 "Hg
Visibility: 9 mi
July Climate & Weather Averages in Rehoboth Beach
High Temp: 88 °F
Low Temp: 68 °F
Mean Temp: 78 °F
Precipitation: 4.39"
Humidity: 72%
Dew Point: 68 °F
Wind: 10 mph
Pressure: 29.98 "Hg
Visibility: 8 mi
August Climate & Weather Averages in Rehoboth Beach
High Temp: 86 °F
Low Temp: 67 °F
Mean Temp: 76 °F
Precipitation: 4.49"
Humidity: 75%
Dew Point: 67 °F
Wind: 9 mph
Pressure: 30.02 "Hg
Visibility: 8 mi
September Climate & Weather Averages in Rehoboth Beach
High Temp: 80 °F
Low Temp: 60 °F
Mean Temp: 70 °F
Precipitation: 4.20"
Humidity: 75%
Dew Point: 61 °F
Wind: 10 mph
Pressure: 30.06 "Hg
Visibility: 9 mi
October Climate & Weather Averages in Rehoboth Beach
High Temp: 69 °F
Low Temp: 48 °F
Mean Temp: 59 °F
Precipitation: 4.03"
Humidity: 74%
Dew Point: 50 °F
Wind: 10 mph
Pressure: 30.07 "Hg
Visibility: 9 mi
November Climate & Weather Averages in Rehoboth Beach
High Temp: 59 °F
Low Temp: 38 °F
Mean Temp: 48 °F
Precipitation: 3.04"
Humidity: 70%
Dew Point: 39 °F
Wind: 10 mph
Pressure: 30.13 "Hg
Visibility: 9 mi
December Climate & Weather Averages in Rehoboth Beach
High Temp: 50 °F
Low Temp: 31 °F
Mean Temp: 40 °F
Precipitation: 3.27"
Humidity: 71%
Dew Point: 32 °F
Wind: 10 mph
Pressure: 30.12 "Hg
Visibility: 9 mi