Oil Prices in December 2015: WTI & Brent Daily Prices and Monthly Average
WTI dropped in December 2015: the monthly average fell to $37.19, down $5.25 (12.4%) from November 2015, the lowest monthly average in nominal terms since April 2004. The average was 37% below the $59.29 of December 2014.
Daily spot prices, December 2015
Chart data table (23 rows)
| Period | WTI | Brent |
|---|---|---|
| Dec 31, 2015 | $37.13 | $36.61 |
| Dec 30, 2015 | $36.59 | $35.65 |
| Dec 29, 2015 | $37.88 | $36.85 |
| Dec 28, 2015 | $36.36 | $37.08 |
| Dec 25, 2015 | $37.60 | $37.08 |
| Dec 24, 2015 | $37.62 | $37.22 |
| Dec 23, 2015 | $36.76 | $35.79 |
| Dec 22, 2015 | $36.12 | $35.26 |
| Dec 21, 2015 | $34.55 | $35.34 |
| Dec 18, 2015 | $34.72 | $36.76 |
| Dec 17, 2015 | $34.98 | $36.29 |
| Dec 16, 2015 | $35.55 | $36.96 |
| Dec 15, 2015 | $37.32 | $37.66 |
| Dec 14, 2015 | $36.31 | $36.51 |
| Dec 11, 2015 | $35.65 | $36.99 |
| Dec 10, 2015 | $36.76 | $38.65 |
| Dec 9, 2015 | $37.16 | $39.04 |
| Dec 8, 2015 | $37.46 | $39.44 |
| Dec 7, 2015 | $37.64 | $39.69 |
| Dec 4, 2015 | $40.00 | $41.44 |
| Dec 3, 2015 | $41.08 | $42.00 |
| Dec 2, 2015 | $39.93 | $41.92 |
| Dec 1, 2015 | $40.58 | $42.97 |
Prices peaked at $41.08 on Dec 3, 2015, then fell to $34.55 on Dec 21, 2015 and ended at $37.13. The largest one-day move was −$2.36 on Dec 7, 2015 (−5.9%).
Brent averaged $38.01, within a dollar of WTI on average across the 23 dates when both were published.
It was the lowest monthly average of 2015. Adjusted with CPI-U, the December 2015 average equals $52.98 in September 2026 dollars.
December 2015 summary
| Measure | WTI | Brent |
|---|---|---|
| Monthly average | $37.19 | $38.01 |
| Change vs November 2015 | −$5.25 | −$6.26 |
| Change vs December 2014 | −$22.10 | −$24.33 |
| Highest daily price | $41.08 Dec 3, 2015 | $42.97 Dec 1, 2015 |
| Lowest daily price | $34.55 Dec 21, 2015 | $35.26 Dec 22, 2015 |
| Published daily observations | 23 | 23 |
| Average in September 2026 dollars (CPI-U) | $52.98 | $54.15 |
Monthly averages are EIA's published figures. Real figures use CPI-U for December 2015.
Part of the price episode: 2014–16 price decline
Source and methodology
| Provider | Series | Units | Coverage | Latest observation |
|---|---|---|---|---|
| U.S. Energy Information Administration | RWTC — WTI spot price FOB (daily, monthly) | $/bbl | Dec 1, 2015 – Dec 31, 2015 | Dec 31, 2015 |
| U.S. Energy Information Administration | RBRTE — Brent spot price FOB (daily, monthly) | $/bbl | Dec 1, 2015 – Dec 31, 2015 | Dec 31, 2015 |
| U.S. Bureau of Labor Statistics | CUUR0000SA0 — CPI-U, all items, NSA | index, 1982–84=100 | monthly | September 2026 |
Last updated: Oct 21, 2026, 5:27 PM CDT. Raw values are shown in source units; any conversion is labeled. See methodology and data sources.
Download:2015 daily prices (CSV)