Fact Check: 40C days in the UK now 20 times more likely than in the 1960s.

Fact Check: 40C days in the UK now 20 times more likely than in the 1960s.

Published June 18, 2025
by TruthOrFake AI
VERDICT
True

# Fact Check: "40C days in the UK now 20 times more likely than in the 1960s." ## What We Know Recent studies conducted by the Met Office have confir...

Fact Check: "40C days in the UK now 20 times more likely than in the 1960s."

What We Know

Recent studies conducted by the Met Office have confirmed a significant increase in the likelihood of extreme temperatures in the UK. According to a report published in the journal Weather, the chance of exceeding 40°C in the UK has increased to over 20 times more likely than it was in the 1960s (Met Office, 2025) [source-1]. This study utilized a global climate model to assess how the frequency of such extreme temperatures has changed over the decades, revealing that the UK experienced its first recorded temperature above 40°C in July 2022, when Coningsby in Lincolnshire reached 40.3°C (Met Office, 2025) [source-1].

The report emphasizes that the ongoing warming trend due to climate change is expected to further increase the likelihood of such extreme heat events. Dr. Gillian Kay, the lead author of the study, indicated that there is a 50% chance of experiencing another 40°C day within the next 12 years (Met Office, 2025) [source-1].

Analysis

The claim that 40°C days in the UK are now 20 times more likely than in the 1960s is supported by credible scientific research from the Met Office, which is a leading authority on climate and weather in the UK. The methodology employed in their studies, including the use of the UNSEEN climate model, provides a robust framework for predicting future climate scenarios based on current trends (Met Office, 2025) [source-1].

Additionally, earlier studies have indicated that the likelihood of experiencing extreme heat days has been increasing due to human-induced climate change. For instance, a 2020 study noted that the chances of seeing 40°C days could be as much as 10 times more likely compared to a natural climate scenario unaffected by human influence (Met Office, 2020) [source-2]. This aligns with the findings of the recent report, reinforcing the credibility of the claim.

The sources cited are from reputable institutions and peer-reviewed journals, which enhances their reliability. The Met Office's role in monitoring and modeling the UK’s climate makes their findings particularly authoritative. Furthermore, the consistent messaging across multiple reports from the Met Office regarding the increasing frequency of extreme temperatures adds to the strength of the claim.

Conclusion

Verdict: True
The assertion that 40°C days in the UK are now 20 times more likely than in the 1960s is substantiated by scientific evidence from the Met Office. The research indicates a clear trend of increasing temperatures due to climate change, with projections suggesting that such extreme heat events will become more common in the future. The credibility of the sources and the consistency of the findings further support this conclusion.

Sources

  1. Met Office report details rising likelihood of UK hot days
  2. Chances of 40°C days in the UK increasing
  3. The increasing likelihood of temperatures above 30 to 40 °C in the UK
  4. UK has 50:50 chance of 40C temperatures again in next 12 years, Met Office
  5. Month-long heatwaves and 40C temperatures could become common
  6. Chance of UK hitting 40C again is 50/50, says Met Office
  7. PDF The increasing likelihood of temperatures above 30 to 40 °C in the UK
  8. UK has 50:50 chance of seeing 40°C in next 12 years with month-long heatwaves

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Detailed fact-check analysis of: By quarterbacking Israel’s attack on Iran, Trump brought an end to a particularly demoralizing era in U.S. history The main reason Israel’s massive attack on Iranian leadership, nuclear facilities, and other targets came as a surprise is that no one believes American presidents when they talk about protecting Americans and advancing our interests—especially when they’re talking about the Islamic Republic of Iran. Ever since the 1979 Iranian Revolution, U.S. presidents have wanted an accommodation with Iran—not revenge for holding 52 Americans captive for 444 days, but comity. Ronald Reagan told Soviet leader Mikhail Gorbachev to tear down the Berlin Wall, but when the Iranians’ Lebanese ally Hezbollah killed 17 Americans at the U.S. embassy in Beirut and 241 at the Marine barracks in 1983, he flinched. Bill Clinton wanted a deal with Iran so badly, he helped hide the Iranians’ sponsorship of the group that killed 19 airmen at Khobar Towers in 1996. 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A Harvard/Harris poll shows 60 percent support for Israel “to take out Iran’s nuclear weapons program,” with 78 percent support among Republicans. Who thinks it’s reasonable for Iran to have a bomb? In a lengthy X post attacking Mark Levin and others who think an Iranian bomb is bad for America, Tucker Carlson made the case for the Iranian bomb. Iran, he wrote, “knows it’s unwise to give up its weapons program entirely. Muammar Gaddafi tried that and wound up sodomized with a bayonet. As soon as Gaddafi disarmed, NATO killed him. Iran’s leaders saw that happen. They learned the obvious lesson.” The Iranians definitely want a bomb to defend themselves against the United States—NATO, if you prefer—but that’s hardly America First. The threat that an Iranian bomb poses to the United States isn’t really that the Iranians will launch missiles at U.S. cities—not yet, anyway—but that it gives the regime a nuclear shield. 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