Climate Characteristics of the Roman Warm Period. 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 northwest Germany shows warmer, wetter central European climate.
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.
Key Facts
- 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 northwest Germany shows warmer, wetter central European climate.
- Tree‑ring and stalagmite data confirm warmer, more humid conditions relative to preceding and succeeding periods.
Related site: Cueva del Maguey — view location, images, and history on the Ancient Nerds map.
Source: What Was The Roman Warm Period Like? by The Historian's Craft