Berkeley Earth
@BerkeleyEarth
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Climate science, data, & quality analysis. Independent, non-governmental, open-source.
Berkeley, CA USA
Joined July 2013
Berkeley Earth is releasing an early access edition of our new high-resolution temperature dataset. This dataset promises unprecedented regional & local resolution for understanding past climate changes, with a 0.25° x 0.25° spatial resolution. 🧵.
berkeleyearth.org
Berkeley Earth is releasing a beta version of its new High-Resolution Temperature Dataset with an unprecedented 0.25° x 0.25° spatial resolution.
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For more information on recent weather and climate in June 2025, please visit our monthly temperature report. 13/13.
berkeleyearth.org
June 2025 was the 3rd warmest June on record. There is now a 64% chance that 2025 will be the third warmest year on record. ENSO neutral persists.
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The recent exceptional warming peak in 2023/2024 is dissipating, and near-term temperatures are expected to return closer to the long-term trend. However, the rapid pace of man-made global warming is expected to continue, and more record years are inevitable. 12/
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With six months completed, 2025 is very likely to finish as either the 2nd warmest (35% chance) or 3rd warmest (64% chance) year on record. Following recent cooling, only a slight 1% chance of record warmth in 2025 remains. 11/
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The Pacific Ocean remains in a neutral condition. An ~50% chance exists that neutral conditions continue through the rest of the year, with a ~40% chance of La Niña returning late in the year, and only a modest chance of El Niño developing. . 10/
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The global ocean average has continued to cool since the El Niño related peak in 2023/2024. Since April, the ocean average has fallen below the long-term trend. Modest additional cooling remains likely. 9/
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Relative to the long-term trend, June had one of the strongest temperature excursions on record in the Western Mediterranean. A slightly larger excursion occurred in June 2003, preceding severe July & August heat waves that killed ~70,000 Europeans. 8/
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June 2025 saw record warmth in the Western Mediterranean Sea. This pattern, associated with the June heat dome over Western Europe, may further promote strong heat waves in Europe during the rest of summer. 7/
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A relatively modest 3% of the Earth's surface registered a locally record high monthly average during June 2025 (4% of oceans / 2% of land). No significant areas had near record lows. 6/
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Spatially, warmth remained widespread in June 2025, though monthly average records were relatively rare. Warmth was particularly noteworthy in Western Europe and Central Asia. Unusual cooling was present in India, Australia, and S. America. 5/
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On land June 2025 was nearly identical to May 2025, continuing the sharp cooling observed last month. Nevertheless, the land average was still the fifth warmest for June in the observational record. 4/
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The relative cooling in May and June 2025 has fallen below the long-term trend line. The exceptional warmth in 2023/2024 appears to have dissipated, and in the short-term we expect global means to stay closer to the long-term trend. 3/
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The global average temperature in June 2025 was 1.31 ± 0.10°C (2.36 ± 0.19 °F) above the 1850-1900 average, the 3rd warmest directly measured June. This was only slightly cooler than May 2025, but is sharply lower than the first few months of 2025. 2/
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Temperature Update for June 2025. Third warmest June in the instrumental record. Similar conditions to May, but sharply cooler than earlier in 2025. Neutral conditions in the Pacific. 2025 is very likely to be the 2nd or 3rd warmest year. 🧵
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Berkeley Earth's next monthly climate briefing, looking back on June temperatures, will be held online on July 10th at 8 AM PT / 11 AM ET / 5 PM CET. It's open for anyone, but geared toward the news media. See you there.
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RT @hausfath: The argument that urban heat islands are biasing temperature records continually comes up. There is a long history of papers….
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RT @RARohde: One of the most essential tests of science is reproducibility. For this chart, I separated our weather station archive into 2….
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For more information on recent weather and climate in May 2025, please visit our monthly temperature report. 12/12.
berkeleyearth.org
May 2025 was the 2nd warmest May on record behind 2024. The chance of record warmth in 2025 has declined to 5%. An ENSO neutral condition continues.
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The recent exceptional warming peak in 2023/2024 is now likely dissipating, and near-term temperatures are expected to return closer to the long-term trend. However, the rapid pace of man-made global warming is expected to continue, and more record years are inevitable. 11/
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2025 is very likely to finish as either the 2nd warmest (50% chance) or 3rd warmest (45% chance) year on record. Following the sharp relative cooling in May, only a modest 5.8% chance of record warmth in 2025 remains. 10/
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The Pacific El Niño / La Niña region remains in a neutral state. Neutral conditions are forecast by CPC/IRI to continue for some months. A moderate chance of La Niña and a small chance of El Niño follows late in 2025. 9/
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