Vermont Climate Data

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

Below is a collection of Vermont Climate Data and outdoor design conditions. We included an Vermont 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 Vermont we would consider adding to the Vermont 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 Vermont Manual J taken care of.

Free Manual J

VermontElevation 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
Barre (Montpelier DD)116544–118169172431M4.41
Burlington international airport34144.47-3.585.369.6131926M3.09
Montpelier airport112244.2-682.368.2111825M4.41
Morrisville-Stowe State airport73244.53-882.468.6121926M4.29
Rutland State airport80743.52-1.982.268.6132026M3.6
Springfield, Hartnes State airport57743.350.584.369.4132027M3.38
Vermont State Average790.666666666744.0116666667-3.7882.916666666768.913.16666666672026.8333333333M3.8633333333


Vermont Climate Data
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Vermont Climate Data
Vermont Climate Data
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Email order number, PDF Plans, jobsite address, and square footage to