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August 2026 was Earth's hottest month on record

August 2026 was Earth's hottest month on record

Force in Play

Global temperatures hit 1.65°C above pre-industrial levels as a record-strength El Niño builds

Today: Copernicus confirms August as joint-hottest month

Overview

Updated 1 hour ago

The Earth just recorded its joint-hottest month since modern measurements began. Copernicus, the European Union's climate monitoring service, reported Thursday that August 2026 tied July 2023, with a global average surface air temperature of 16.96°C — 1.65°C above pre-industrial levels.

The record combines human-caused warming with a strengthening El Niño that forecasters say could become the strongest on record. That signal is already showing in drought and fires across Europe, record ocean temperatures, and a Himalayan glacier collapse that killed more than 1,300 people.

Why it matters

With El Niño still strengthening, record heat, fires, drought, and crop losses in 2026 could become the baseline for 2027.

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Key Indicators

16.96°C
Global average surface air temperature, August 2026
0.85°C above the 1991–2020 August average; tied with July 2023 as the hottest month ever measured.
1.65°C
August temperature above pre-industrial levels
First month to pass the 1.5°C Paris threshold since November 2025.
21.07°C
Extra-polar ocean sea surface temperature, August 2026
Highest August SST on record, tied with March 2024 across all months.
8
Hottest months on record since July 2023
Every one of the eight warmest months ever measured occurred after July 2023.
35,000+
Estimated excess deaths in Europe from summer heatwaves
New Scientist reporting on deaths above the statistical expectation during the 2026 heat season.

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People Involved

Organizations Involved

Timeline

July 2023 September 2026

8 events Latest: Today
Tap a bar to jump to that date
  1. Copernicus confirms August as joint-hottest month

    Today Climate Record

    Copernicus reports August 2026 tied July 2023 as the hottest month ever, at 16.96°C.

  2. NOAA reports US summer hottest since Dust Bowl

    Climate Record

    US Lower 48 summer averaged 74.37°F, beating the 1936 Dust Bowl record.

  3. Himalayan glacier collapse kills more than 1,300

    Disaster

    A glacier collapse in Nepal and Tibet, linked to the heat, destroys towns and kills over a thousand people.

  4. Wildfires burn across Greece

    Wildfire

    Wildfires rage near Greek villages as heatwaves and drought persist across southern Europe.

  5. Western Europe heatwave run begins

    Extreme Weather

    An exceptional run of heatwaves begins across western Europe, continuing through the summer.

  6. Global temperatures last exceed 1.5°C

    Climate Record

    November 2025 was the last month before August 2026 to pass the 1.5°C threshold.

  7. August 2024 ties the heat record

    Climate Record

    August 2024 matched the July 2023 record, and 2024 became the warmest year on record.

  8. July 2023 becomes hottest month on record

    Climate Record

    July 2023 set the all-time monthly global heat record, the benchmark August 2026 now ties.

Historical Context

3 moments from history that rhyme with this story — and how they unfolded.

Summer 1936

Dust Bowl heat of 1936 (1936)

The US summer of 1936, during the Dust Bowl drought, set heat records across the Lower 48 states that stood for 90 years.

Then

NOAA reported summer 2026 in the Lower 48 averaged 74.37°F, nearly four tenths of a degree warmer than the 1936 mark.

Now

Showed how quickly long-standing climate benchmarks can fall during a hot season.

Why this matters now

A 90-year US record fell within a single season, the same season the globe set its joint-hottest month.

2015-2016

Super El Niño of 2015-16 (2015-2016)

A strong El Niño in the tropical Pacific pushed global temperatures to records in 2015 and 2016, causing droughts, floods, and fires across multiple continents, including the worst coral bleaching on record in the Great Barrier Reef.

Then

2016 became the hottest year on record at the time, and parts of Asia, Africa, and the Americas saw severe drought.

Now

Established the pattern where El Niño years set new global temperature records on top of the warming trend.

Why this matters now

The current event follows the same pattern — a strong El Niño amplifying human-caused warming — and could push past the records set after 2016.

2023-2024

El Niño and the 2023-24 heat records (2023-2024)

An El Niño that developed in mid-2023 helped drive July 2023 to become the hottest month on record and made 2024 the warmest year on record, with the first annual breach of 1.5°C above pre-industrial levels.

Then

2024's annual average reached about 1.6°C above pre-industrial.

Now

Set the benchmark August 2026 now ties and the annual record 2026 is chasing.

Why this matters now

August 2026 tied the July 2023 record, and this El Niño could produce a similar or stronger spike.

Sources

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