Portsmouth Per Diem Rate (FY2026)
Rockingham · New Hampshire · Official U.S. GSA federal per diem
For fiscal year 2026, the GSA per diem rate for Portsmouth is $74/day for meals & incidental expenses (M&IE) and $129–$192/night for lodging depending on the month, compared with the standard $178/day CONUS rate ($110 lodging + $68 M&IE). Lodging peaks in July and is lowest in January.
A 4-night business trip to Portsmouth in July totals $1,101: $768 lodging (4 nights) + $333 M&IE (5 days, first & last day at 75%).
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Portsmouth lodging rate by month (FY2026)
Nightly lodging caps for Portsmouth. M&IE is flat at $74/day and does not change by month.
| Month | Lodging / night | Season |
|---|---|---|
| Jan | $129 | Low |
| Feb | $129 | Low |
| Mar | $129 | Low |
| Apr | $129 | Low |
| May | $129 | Low |
| Jun | $129 | Low |
| Jul | $192 | Peak |
| Aug | $192 | Peak |
| Sep | $171 | · |
| Oct | $171 | · |
| Nov | $129 | Low |
| Dec | $129 | Low |
How does Portsmouth compare with other New Hampshire per diem areas?
Portsmouth is the most expensive per diem area in New Hampshire for FY2026: its $192/night peak lodging cap tops the state's 7 non-standard areas, $32 above the state's $160/night NSA average.
Lodging in Portsmouth swings 49% across the year — from $129/night in January to $192/night in July — so the same 4-night stay reimburses $252 more at the peak. M&IE stays flat at $74/day regardless of season.
The next cheaper New Hampshire area is Laconia at $182/night peak; every unlisted New Hampshire location falls back to the $110 standard rate.
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Portsmouth per diem FAQ
- What is the per diem rate for Portsmouth?
- For FY2026, the GSA per diem rate for Portsmouth, New Hampshire is $74 per day for meals and incidental expenses (M&IE) and $129–$192/night for lodging depending on the month. The standard CONUS rate, for comparison, is $178 per day ($110 lodging + $68 M&IE).
- What is the meal reimbursement (M&IE) rate in Portsmouth?
- $74 per day for FY2026: $18 breakfast, $20 lunch, $31 dinner and $5 incidentals. The first and last day of travel reimburse at 75%, or $55.50.
- Is Portsmouth the most expensive per diem area in New Hampshire?
- Yes. By peak lodging cap, Portsmouth tops the 7 non-standard areas GSA lists in New Hampshire for FY2026 at $192/night — $82 above the $110 standard cap. Its full daily rate reaches $266 with M&IE included.
- Why does lodging per diem in Portsmouth change by month?
- GSA sets seasonal lodging caps for high-demand areas. In Portsmouth, lodging is highest in July at $192/night and lowest in January at $129/night. M&IE stays flat at $74/day all year.
- What is the tax-free travel nurse stipend cap in Portsmouth?
- Tax-free housing and meal stipends for travel nurses are capped at the GSA per diem for the assignment location. In Portsmouth the full daily cap is up to $266 (peak-month lodging + $74 M&IE). The portion above the GSA rate is taxable wages, and the stipend is only tax-free at all if you maintain a qualifying tax home.