Trader consensus favors April 2026 ranking as the third-hottest April on record at 62.5% implied probability on NOAA's Global Land-Ocean Temperature Index, driven by preliminary mid-month observations indicating elevated surface air temperature anomalies around 1.1–1.2°C above the 20th-century average—warm enough for top-three contention but trailing the El Niño-boosted records of April 2024 (warmest) and 2025 (second-warmest). Persistent above-average sea surface temperatures in the North Atlantic and equatorial Pacific, lingering from 2025's warmth, support this positioning amid current ENSO-neutral conditions (80% NOAA probability through June), which curb the intensification seen in prior peaks. Risks of slipping to fourth or lower (17%) hinge on cooling trends in the month's second half, with full-month data and resolution expected from NOAA in early May.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · Updated2026 April 1st, 2nd, 3rd hottest on record?
2026 April 1st, 2nd, 3rd hottest on record?
3rd hottest 64%
2nd hottest 17%
4th or lower 16%
1st hottest 4.7%
$70,617 Vol.
$70,617 Vol.
1st hottest
5%
2nd hottest
17%
3rd hottest
64%
4th or lower
16%
3rd hottest 64%
2nd hottest 17%
4th or lower 16%
1st hottest 4.7%
$70,617 Vol.
$70,617 Vol.
1st hottest
5%
2nd hottest
17%
3rd hottest
64%
4th or lower
16%
Note: If April 2026 is tied for first, second, or third hottest with another year, it will qualify for the bracket it ties with.
The primary resolution source for this market will be the figures found in the table titled "GLOBAL Land-Ocean Temperature Index in 0.01 degrees Celsius" under the column "Apr" (https://data.giss.nasa.gov/gistemp/tabledata_v4/GLB.Ts+dSST.txt). If NASA's "Global Temperature Index" is rendered permanently unavailable, other information from NASA may be used.
If no information for April 2026 is provided by NASA by May 31, 2026, 11:59 PM ET, a consensus of credible sources will be used to resolve this market.
Market Opened: Mar 24, 2026, 6:05 PM ET
Resolver
0x69c47De9D...Note: If April 2026 is tied for first, second, or third hottest with another year, it will qualify for the bracket it ties with.
The primary resolution source for this market will be the figures found in the table titled "GLOBAL Land-Ocean Temperature Index in 0.01 degrees Celsius" under the column "Apr" (https://data.giss.nasa.gov/gistemp/tabledata_v4/GLB.Ts+dSST.txt). If NASA's "Global Temperature Index" is rendered permanently unavailable, other information from NASA may be used.
If no information for April 2026 is provided by NASA by May 31, 2026, 11:59 PM ET, a consensus of credible sources will be used to resolve this market.
Resolver
0x69c47De9D...Trader consensus favors April 2026 ranking as the third-hottest April on record at 62.5% implied probability on NOAA's Global Land-Ocean Temperature Index, driven by preliminary mid-month observations indicating elevated surface air temperature anomalies around 1.1–1.2°C above the 20th-century average—warm enough for top-three contention but trailing the El Niño-boosted records of April 2024 (warmest) and 2025 (second-warmest). Persistent above-average sea surface temperatures in the North Atlantic and equatorial Pacific, lingering from 2025's warmth, support this positioning amid current ENSO-neutral conditions (80% NOAA probability through June), which curb the intensification seen in prior peaks. Risks of slipping to fourth or lower (17%) hinge on cooling trends in the month's second half, with full-month data and resolution expected from NOAA in early May.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · Updated

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