The World Meteorological Organization (WMO) has released a report from the Copernicus Climate Change Service (C3S) indicating that May 2020 was the warmest on record, 0.63°C above the May average temperature from 1981-2010, and 0.7°C above the average for the last 12 months, breaking the record for the warmest 12 months.

References

Climate Change Service. Surface air temperature for May 2020

World Metrological Organization. Record CO2 levels and temperatures highlight need for action on World Environment Day. June 5, 2020. 

UN. May confirmed as warmest on record, CO2 levels hit new high despite COVID economic slowdown 5 June 2020.

Contributor: IIYAMA Miyuki (Research Strategy Office)