Below is part of Copernicus climate services analysis for May taken from an internet page marked climate.copernicus.eu.
a strong warming trend can be seen.
COPERNICUS:
"Global-average surface air temperature anomalies relative to the 1850–1900 pre-industrial reference period for all months from 1979 to 2025. Data source: ERA5. Credit: C3S/ECMWF. "
