The northern hemisphere's April was the 2nd highest, southern hemisphere's was highest, and the land-only April anomaly was warmest at 1.56°C (relative to 1951-1980; 1.91°C relative to 1880-1909.)
To two significant digits, NASA GISS's total global warming now rounds to 1.1°C. Gavin Schmidt says 2020 is
NOAA found April to be the 2nd warmest of all Aprils since 1880, the same period as GISS. Their total warming also now rounds to 1.1°C.