New Hampshire Climate Data

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

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

Free Manual J

New HampshireElevation 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
Berlin Municipal airport115845-11826751219M5.91
Claremont (Lebanon DD)54543-48670142127M3.72
Concord Municipal airport3484308770121825M3.11
Isle of Shoals (Odiorne Point)624311780162329L3.25
Laconia Municipal airport Automated Weather Observation System5454418469111724M3.32
Lebanon Municipal airport59744-38669111825M3.48
Manchester airport2334378971142027M2.17
Mount Washington626644-185955-16-81L92.46
New Hampshire State Average1095.111111111143.5555555556-181.888888888960.22222222229.555555555616.333333333323.3333333333M13.3344444444


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