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United States › Mississippi › Hancock County › Climate Station BAY ST LOUIS NASA, MS US Distance 7 mi Normals 1991–2020

30-year climate normals

Hancock County Climate and Weather Averages

Hottest month — July

88.8°

average daily high. The coldest month is January, averaging a low of 39.8°F.

Hancock County gets 64.01" of precipitation a year, and 31% of it falls in Jun, Jul, Aug.

Temperature through the year

Each bar spans the average daily low to the average daily high for that month.

40° 60° 80° JanFebMarAprMayJunJulAugSepOctNovDec
MonthAvg highAvg low Precip
January 59.6° 39.8° 5.63"
February 63.5° 42.6° 4.10"
March 68.6° 48.4° 4.29"
April 74.6° 54.2° 6.52"
May 81.8° 61.8° 4.45"
June 86.8° 69.0° 5.62"
July 88.8° 71.4° 7.77"
August 88.8° 71.0° 6.53"
September 84.9° 66.9° 5.01"
October 77.8° 56.4° 5.09"
November 68.9° 45.3° 4.53"
December 61.2° 41.4° 4.47"

Rainfall by month

Precipitation is spread fairly evenly through the year here, with 31% falling in the wettest three months (Jun, Jul, Aug).

January 5.63"
February 4.10"
March 4.29"
April 6.52"
May 4.45"
June 5.62"
July 7.77"
August 6.53"
September 5.01"
October 5.09"
November 4.53"
December 4.47"
Annual total 64.01"

What this climate costs you

Degree days measure how hard a building has to work to stay comfortable. They are the reason two identical houses have very different power bills, and they are the link between the weather here and what you pay every month.

Cooling degree days How much air conditioning the climate demands 2,140
Heating degree days How much heating the climate demands 1,911
Approximate annual cooling cost At 16.16¢/kWh, Mississippi average $346
Approximate annual electric heating cost Lower where heating is gas rather than electric $108

These are rough planning figures from degree days and the state electricity price, not a bill estimate. House size, insulation and fuel type move them a lot. See the full cost of owning a home in Hancock County, where electricity is one line of eight.

Common questions

What is the weather like in Hancock County?

Hancock County averages a high of 88.8°F in July and a low of 39.8°F in January. Annual precipitation is 64.01 inches, with essentially no snow.

When is the rainy season in Hancock County?

The wettest stretch is Jun, Jul, Aug, which accounts for 31% of the year's precipitation. Precipitation is relatively evenly distributed across the year.

How hot does it get in Hancock County?

The average daily high in July, the hottest month, is 88.8°F. That drives 2,140 cooling degree days a year, which is what your air conditioning has to work against.

Does it snow in Hancock County?

Effectively no. Measurable snowfall is rare in Hancock County.

Sources

  • Temperature, precipitation and snowfall normals — NOAA National Centers for Environmental Information, 1991–2020 Monthly Climate Normals, station BAY ST LOUIS NASA, MS US (USC00220521), 7 miles from the county centroid.
  • Heating and cooling degree days — NOAA, same station and period.
  • Electricity price — US Energy Information Administration, Electric Power Monthly Table 5.6.A, Mississippi residential average.
  • Wet-season share is the wettest three consecutive months as a percentage of annual precipitation, calculated from the monthly normals.