North Carolina Climate Data

We offer an North Carolina Manual J for $79 in 4-6 hours.  We can also offer North Carolina Manual S $79 and North Carolina Manual D $99.

Below is a collection of North Carolina Climate Data and outdoor design conditions. We included an North Carolina state average of each category at the bottom of the Manual J climate data table. We created this to allow an easy to use free resource for Manual J professionals to use on jobsites, in the field, and while calculating Manual J heat loss and heat gain reports. If you have a custom set of data from North Carolina we would consider adding to the North Carolina Climate Data table simply email it to

We can also create a Manual J using climate data from the tables below. Email pdf plans, jobsite address, and square footage to and we will get your North Carolina Manual J taken care of.

Free Manual J

North CarolinaElevation in FeetLatitude North DegreesHeating 99% Outdoor Dry BulbCooling Outdoor Air 1% Dry BulbCooling Outdoor Air Coincident Wet BulbCooling Design Grains 55% Relative Humidity IndoorsCooling Design Grains 45% Relative Humidity IndoorsCooling Design Grains 45% Relative Humidity IndoorsDaily RatingHeating Design Days 65 degrees/Colling Design Days 50 degrees Ratio
Asheville Regional airport216935198671222936M1.18
Cape Hatteras1035328578606773L0.48
Cape Lookout3635328475455258L0.4
Charlotte, Douglas international airport76835259274293643M0.63
Cherry Point MCAS3035279178505763M0.45
Diamond Shoals Light035358376556268L0.3
Elizabeth City airport1236199177465359M0.63
Fayetteville Regional airport19435269376344148M0.52
Fort Bragg30535269476344147M0.51
Frying Pan Shoals7933398475465359L0.17
Goldsboro, Johnson Air Force Base10835279476354248M0.51
Greensboro, Piedmont Triad international airport88636229074313844M0.84
Goldsboro, Seymour15435279476354249M0.51
Greenville, Pitt-Greenville airport2636259376334047M0.54
Hatteras, Billy Mitchell airport1035318778586571L0.46
Hickory Regional airport118836239073253239M0.8
Jacksonville Automated Weather Observation System9535259176384451M0.6
New Bert airport2335269277485561M0.49
New River, McCutcheon Field2635279178495663M0.45
Pope Air Force Base21735259476334046M0.52
Raleigh-Durham international airport43636239276374451M0.7
Richmond international airport16438219275344148M0.84
Rocky Mount15936219176404754M0.68
Seymour-Johnson Air Force Base10835269476374350M0.5
Southern Pines Automated Weather Observation System46335239274273440M0.68
Wilmington international airport3934289178505663M0.43
Winston-Salem, Reynolds airport97136239074303744M0.77
North Carolina State Average323.966666666735.266666666725.390.566666666775.733333333339.145.933333333352.4666666667M0.6016666667


North Carolina Climate Data
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North Carolina Climate Data
North Carolina Climate Data
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