| Type | Area | Remarks |
| 1 | Wet | From eastern to western Japan |
|
| 2 | Wet | From Viet Nam to Thailand, from Bangladesh to India |
- The monthly precipitation amount in India was the highest on record for May since 1901 (India Meteorological Department).
|
| 3 | Cold | From central to southern India |
|
| 4 | Warm | From western China to Central Asia |
|
| 5 | Heavy Rain | Western Nigeria |
- It was reported that heavy rains caused at least 150 fatalities in western Nigeria (European Commission).
|
| 6 | Heavy Rain | Democratic Republic of the Congo |
- It was reported that heavy rains caused at least 150 fatalities in Democratic Republic of the Congo (European Commission, EM-DAT).
|
| 7 | Wet | From the northeastern to southeastern USA |
- The monthly precipitation amount in the Northeast of the USA was the third highest on record for May since 1895 (National Oceanic and Atmospheric Administration, the USA).
- The monthly precipitation amount in the Southeast of the USA was the second highest on record for May since 1895 (National Oceanic and Atmospheric Administration, the USA).
|
| 8 | Warm | From the southern USA to Colombia via Caribbean countries |
- The monthly mean temperature in Mexico was the third highest on record for May since 1953 (National Meteorological Service, Mexico).
|
| 9 | Wet | From Bolivia to northeastern Argentina |
|
The figure is based on CLIMAT report. Areas with missing or unreceived data are not shown.