Please note, global and hemispheric temperature anomalies are with respect to the 1901-2000 average. Coordinate temperature anomalies are with respect to the 1991-2020 average. All other regional temperature anomalies are with respect to the 1910-2000 average. Monthly precipitation data are not available until a few days after temperature data are released.

-90.0 to 90.0
-180.0 to 180.0
Base Period
Trend

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Global Land and Ocean Average Temperature Anomalies
May (1901-2000 mean)
Date
Anomaly
Rank
(out of 174)
May 20230.97°C173
May 20220.83°C168
May 20210.82°C165
May 20201.00°C174
May 20190.91°C171
May 20180.84°C169
May 20170.91°C171
May 20160.96°C172
May 20150.83°C168
May 20140.83°C168
May 20130.66°C161
May 20120.75°C163
May 20110.56°C154
May 20100.78°C164
May 20090.63°C157
May 20080.51°C151
May 20070.64°C158
May 20060.55°C153
May 20050.66°C161
May 20040.40°C148
May 20030.60°C156
May 20020.66°C161
May 20010.57°C155
May 20000.37°C144
May 19990.32°C138
May 19980.70°C162
May 19970.39°C147
May 19960.33°C141
May 19950.33°C141
May 19940.33°C141
May 19930.30°C135
May 19920.34°C142
May 19910.42°C149
May 19900.52°C152
May 19890.20°C128
May 19880.46°C150
May 19870.32°C138
May 19860.27°C132
May 19850.20°C128
May 19840.36°C143
May 19830.38°C145
May 19820.18°C126
May 19810.28°C134
May 19800.39°C147
May 19790.14°C120
May 19780.11°C118
May 19770.31°C136
May 1976-0.18°C54
May 19750.15°C122
May 19740.01°C104
May 19730.28°C134
May 19720.01°C104
May 1971-0.01°C95
May 19700.03°C108
May 19690.22°C130
May 1968-0.06°C83
May 19670.18°C126
May 1966-0.05°C91
May 1965-0.11°C76
May 1964-0.20°C48
May 1963-0.04°C93
May 1962-0.04°C93
May 19610.14°C120
May 1960-0.07°C80
May 19590.09°C114
May 19580.09°C114
May 19570.11°C118
May 1956-0.25°C28
May 1955-0.14°C65
May 1954-0.17°C58
May 19530.17°C124
May 19520.00°C101
May 19510.03°C108
May 19500.01°C104
May 19490.00°C101
May 19480.11°C118
May 19470.00°C101
May 19460.00°C101
May 19450.15°C122
May 19440.24°C131
May 19430.02°C106
May 19420.11°C118
May 19410.21°C129
May 19400.16°C123
May 19390.00°C101
May 1938-0.06°C83
May 1937-0.03°C94
May 1936-0.14°C65
May 1935-0.24°C32
May 1934-0.05°C91
May 1933-0.22°C39
May 1932-0.12°C73
May 1931-0.13°C70
May 1930-0.17°C58
May 1929-0.34°C14
May 1928-0.18°C54
May 1927-0.22°C39
May 1926-0.19°C49
May 1925-0.21°C44
May 1924-0.14°C65
May 1923-0.23°C35
May 1922-0.30°C23
May 1921-0.19°C49
May 1920-0.19°C49
May 1919-0.17°C58
May 1918-0.41°C9
May 1917-0.51°C1
May 1916-0.22°C39
May 19150.00°C101
May 1914-0.18°C54
May 1913-0.42°C8
May 1912-0.19°C49
May 1911-0.49°C2
May 1910-0.31°C19
May 1909-0.45°C5
May 1908-0.43°C7
May 1907-0.45°C5
May 1906-0.17°C58
May 1905-0.21°C44
May 1904-0.49°C2
May 1903-0.32°C17
May 1902-0.23°C35
May 1901-0.13°C70
May 1900-0.07°C80
May 1899-0.24°C32
May 1898-0.21°C44
May 1897-0.05°C91
May 1896-0.22°C39
May 1895-0.28°C25
May 1894-0.25°C28
May 1893-0.32°C17
May 1892-0.31°C19
May 1891-0.13°C70
May 1890-0.29°C24
May 18890.09°C114
May 1888-0.16°C63
May 1887-0.33°C16
May 1886-0.25°C28
May 1885-0.28°C25
May 1884-0.31°C19
May 1883-0.15°C64
May 1882-0.10°C77
May 18810.07°C111
May 1880-0.12°C73
May 1879-0.10°C77
May 18780.04°C109
May 18770.02°C106
May 1876-0.49°C2
May 1875-0.21°C44
May 1874-0.36°C11
May 1873-0.25°C28
May 1872-0.19°C49
May 1871-0.14°C65
May 1870-0.14°C65
May 1869-0.05°C91
May 1868-0.12°C73
May 1867-0.36°C11
May 1866-0.17°C58
May 1865-0.23°C35
May 1864-0.09°C79
May 1863-0.22°C39
May 1862-0.39°C10
May 1861-0.36°C11
May 1860-0.23°C35
May 18590.06°C110
May 1858-0.34°C14
May 1857-0.31°C19
May 1856-0.18°C54
May 1855-0.05°C91
May 1854-0.06°C83
May 1853-0.06°C83
May 1852-0.07°C80
May 1851-0.24°C32
May 1850-0.26°C27

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