Montana Propane Prices in 2021
26 EIA surveys, Jan 4, 2021 to Dec 27, 2021
Page last updated · What changed: Corrected a U.S. FAQ answer; added PADD labels, direct EIA links, methodology, survey dates and uncovered states.
- Average
- $2.019
- High
- $2.270
- Dec 27
- Low
- $1.556
- Jan 4
- Against 2020
- Up +$0.459 (+29.4%)
- change in average
In 2021, EIA published 26 residential propane prices for Montana. They averaged $2.019 a gallon, from a low of $1.556 on January 4, 2021 to a high of $2.270 on December 27, 2021.
The average was 29.4% above 2020’s $1.560.
EIA surveys only during the heating season in most years, so there are no Montana values for April, May, June, July, August and September.
Week by week
Every survey in 2021
| Month | Survey dates and prices | Month average |
|---|---|---|
| January | Jan 4 $1.556Jan 11 $1.658Jan 18 $1.703Jan 25 $1.718 | $1.659 |
| February | Feb 1 $1.709Feb 8 $1.773Feb 15 $1.851Feb 22 $2.038 | $1.843 |
| March | Mar 1 $2.085Mar 8 $2.031Mar 15 $1.988Mar 22 $1.916Mar 29 $1.890 | $1.982 |
| October | Oct 4 $2.045Oct 11 $2.101Oct 18 $2.116Oct 25 $2.132 | $2.099 |
| November | Nov 1 $2.219Nov 8 $2.226Nov 15 $2.251Nov 22 $2.239Nov 29 $2.235 | $2.234 |
| December | Dec 6 $2.241Dec 13 $2.242Dec 20 $2.249Dec 27 $2.270 | $2.251 |
Source: U.S. Energy Information Administration, weekly propane residential price table. Prices exclude taxes.
Propane — weekly Montana, CSV (12 rows, from 2026-02-02 to 2026-10-19)
Columns: survey_date, area, fuel, price_usd_per_gallon_excl_taxes. Prices are residential, in dollars per gallon ($/gal), excluding taxes. Source: EIA.