New research shows the Roman Warm Period (≈250 BC‑300 AD) was approximately 2 °C warmer than today, with wetter conditions across Iberia and Central Europe—evident from cave records and tree‑ring and stalagmite data confirming this humid era.
Summer temperatures 2–3 °C warmer than today between 250 BC and 150 AD.
Increased precipitation; wet Iberian Roman humid period indicated by Pyrenees cave records.
Peștera cu Oase in Romania shows warmer, wetter central European climate.
Tree‑ring and stalagmite data confirm warmer, more humid conditions relative to preceding and succeeding periods.
Sources
Roman Warm Period Was 2°C Warmer Than Today, New Study ...le.utah.govThe Mediterranean Sea was 3.6°F (2°C) hotter during the Roman Empire than other average temperatures at the time, a new study claims.
European Summers Hottest Since Roman Empire, Tree Ring ...e360.yale.eduThe report says that summers were particularly warm between Roman times and the third century, before cooling until the 7th century.
Tree rings suggest Roman world was warmer than thoughtnewscientist.comHis results suggest the Roman world was 0.6 °C warmer than previously thought – enough to make grape vines in northern England a possibility.
The expansion of the Roman Empire coincided with the warmest ...web.ub.eduThe greatest time of the Roman Empire coincided with the warmest period of the last 2,000 years in the Mediterranean, according to a study ...
Roman Warm Period was 2°C warmer than today, new study findsiowaclimate.orgNew research finds that the Roman Warm Period was the warmest period of the last 2 kyr, about 2 °C warmer than today.
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