DTMO · DoD OCONUS Per Diem

San Luis Potosi, Mexico OCONUS Per Diem Rates (DTMO)

Effective date: March 1, 2026 Last updated: October 1, 2025
Lodging (per night)
$160
Local meals
$84
Incidentals
$21
Maximum per diem
$265
Lodging + meals + incidentals

Historical rate trend

San Luis Potosi rate history — Max per diem ($/day). Query any past effective date directly via the API.

Effective date Lodging M&IE Max per diem
Jul 1, 2026 $160 $105 $265
Mar 1, 2026 $160 $105 $265
Jan 1, 2026 $160 $102 $262
Jul 1, 2025 $160 $97 $257
Jun 1, 2025 $160 $94 $254
Feb 1, 2025 $160 $91 $251
Jan 1, 2025 $160 $94 $254
Sep 1, 2024 $160 $97 $257
Aug 1, 2024 $160 $103 $263
Jul 1, 2024 $160 $100 $260
Jun 1, 2024 $160 $107 $267
May 1, 2024 $160 $111 $271
Mar 1, 2024 $160 $106 $266
Jan 1, 2024 $154 $104 $258
Oct 1, 2023 $160 $94 $254
Oct 1, 2017 $154 $104 $258
Page of · 16 rows

How this rate is used

This DTMO per diem rate is the Department of Defense ceiling for lodging, meals and incidental expenses for DoD travelers (military and civilian) on TDY in San Luis Potosi, mexico. It governs OCONUS travel voucher reimbursement and is used by defense and overseas programs for cost estimating. The proportional meal rate ($51) applies when some meals are provided in kind.

Get this data from the API

The exact request that returns this page's data. Change the date parameter to query any historical effective date, or pull it straight into your ERP, payroll, or expense system.

curl -H "X-API-Key: YOUR_KEY" \
  "https://api.allowancesapi.com/v1/dtmo/perdiem/oconus/MX-MX?city=San%20Luis%20Potosi"
Sample response
{
  "effective_date": "2026-03-01",
  "results": [
    {
      "iso_code": "MX-MX",
      "local_incidental": 21,
      "local_meal_rate": 84,
      "location": "San Luis Potosi",
      "lodging": 160,
      "maximum_perdiem": 265,
      "proportional_meal_rate": 51
    }
  ],
  "verification_url": "https://www.travel.dod.mil/Travel-Transportation-Rates/Per-Diem/"
}

San Luis Potosi rate FAQ

What is the OCONUS per diem rate for San Luis Potosi, Mexico?

The current maximum DTMO OCONUS per diem for San Luis Potosi, Mexico is $265 per day — $160 for lodging, $84 for local meals and $21 for incidentals.

What is the proportional meal rate for San Luis Potosi?

The proportional meal rate for San Luis Potosi is $51 per day, used when some meals are furnished.

When did the San Luis Potosi per diem rate last change?

The rate shown reflects the latest DTMO publication. The historical table above lists prior maximum per diem values back to Oct 1, 2017.

Source & methodology

Effective period
Effective Mar 1, 2026 (published Jul 2026)
Last updated
July 1, 2026

Allowances API is not affiliated with, endorsed by, or sponsored by any U.S. Government agency. All rate data is sourced from official public rate tables and re-published in a normalized format.