- The combined global land and ocean average surface temperature for April 2010 was the warmest on record at 14.5°C (58.1°F), which is 0.76°C (1.37°F) above the 20thcentury average of 13.7°C (56.7°F). This was also the 34th consecutive April with global land and ocean temperatures above the 20th century average.
- The worldwide ocean surface temperature was 0.57°C (1.03°F) above the 20th century average of 16.0°C (60.9°F) and the warmest April on record. The warmth was most pronounced in the equatorial portions of the major oceans, especially the Atlantic.
- The April worldwide land surface temperature was 1.29°C (2.32°F) above the 20thcentury average of 8.1°C (46.5 °F)—the third warmest on record.
- For the year-to-date, the global combined land and ocean surface temperature of 13.3°C (56.0°F) was the warmest January-April period. This value is 0.69°C (1.24°F) above the 20th century average.