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Climate & Weather Averages in Houston, Delaware, USA

Currently: 51 °F. Clear. (Weather station: Sussex County Airport, USA). See more current weather

Annual Weather Averages Near Houston

Averages are for Sussex County Airport, which is 9 miles from Houston.

Based on weather reports collected during 1992–2021.

All Year Climate & Weather Averages in Houston

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 Houston

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 Houston

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 Houston

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 Houston

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 Houston

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 Houston

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 Houston

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 Houston

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 Houston

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 Houston

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 Houston

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 Houston

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

Quick Climate Info

Hottest MonthJuly (78 °F avg)
Coldest MonthJanuary (36 °F avg)
Wettest MonthAugust (4.49" avg)
Windiest MonthApril (14 mph avg)
Annual precip.43.76" (per year)

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