| Tammi | Helmi | Maalis | Huhti | Touko | Kesä | Heinä | Elo | Syys | Loka | Marras | Joulu | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1904 | 9.1 | 6.2 | -0.8 | -3.4 | ||||||||
| 1905 | -4.6 | -3.4 | -2.9 | -2.1 | 5.3 | 12.1 | 14.1 | 12.4 | 9.4 | 2.6 | 1.2 | 0.0 |
| 1906 | -1.6 | -3.2 | -4.9 | 1.4 | 5.2 | 10.3 | 14.8 | 12.7 | 9.3 | 5.2 | 1.7 | -2.4 |
| 1907 | -5.2 | -3.0 | -1.9 | 0.3 | 3.3 | 9.1 | 11.2 | 11.2 | 9.2 | 7.3 | 3.3 | -5.6 |
| 1908 | -2.7 | -3.8 | -4.0 | 0.2 | 3.9 | 8.6 | 12.8 | 14.6 | 9.0 | 6.4 | -0.6 | -1.2 |
| 1909 | -0.4 | -4.9 | -4.0 | -2.3 | 2.8 | 10.2 | 13.6 | 12.4 | 10.3 | 8.3 | -0.9 | -2.6 |
| 1910 | -3.6 | -1.0 | -0.6 | 1.4 | 5.8 | 10.5 | 12.4 | 12.6 | 10.7 | 4.9 | -0.7 | -1.3 |
| 1911 | -1.7 | -4.8 | -1.5 | 0.6 | 5.3 | 8.9 | 12.9 | 14.0 | 9.0 | 4.4 | 1.9 | 0.0 |
| 1912 | -5.3 | -8.4 | -2.0 | 3.0 | 15.0 | 15.0 | 9.3 | 2.8 | 0.4 | -1.2 | ||
| 1913 | -3.4 | -2.2 | -1.7 | 0.9 | 5.2 | 9.9 | 14.9 | 13.8 | 10.6 | 4.6 | 3.2 | -2.4 |
| 1924 | 15.6 | 16.6 | 13.1 | 8.6 | 3.0 | 1.4 | ||||||
| 1925 | 1.2 | -1.2 | -4.2 | 2.1 | 5.8 | 11.3 | 17.8 | 14.6 | 10.9 | 2.7 | -2.3 | -5.7 |
| 1926 | -8.0 | -9.3 | -3.1 | -0.4 | 3.4 | 9.2 | 15.4 | 15.5 | 9.0 | 2.4 | 1.4 | -3.7 |
| 1927 | -5.4 | 0.4 | 2.5 | 8.2 | 17.5 | 15.0 | 9.4 | 4.2 | -1.8 | -3.2 | ||
| 1928 | -4.2 | -4.9 | -3.5 | 0.3 | 4.3 | 7.3 | 11.5 | 12.3 | 10.0 | 4.6 | 1.1 | -0.7 |
| 1929 | -4.6 | -9.4 | -1.8 | -1.1 | 4.6 | 8.9 | 12.2 | 13.4 | 9.8 | 5.9 | 4.0 | 3.0 |
| 1930 | 1.3 | -2.0 | -0.8 | 1.9 | 7.1 | 11.5 | 16.5 | 13.1 | 8.4 | 4.9 | 1.0 | -1.6 |
| 1931 | -5.2 | -6.1 | -4.6 | -0.1 | 5.0 | 8.3 | 14.4 | 14.6 | 7.8 | 4.3 | 2.2 | -0.8 |
| 1932 | -0.4 | -3.1 | -2.9 | 0.9 | 3.9 | 7.8 | 15.6 | 14.9 | 10.0 | 4.1 | 2.2 | 2.4 |
| 1933 | -2.2 | -5.2 | -3.4 | -0.1 | 4.3 | 11.2 | 16.0 | 14.7 | 10.6 | 5.6 | 0.7 | -2.1 |
| 1934 | 0.1 | -1.0 | -1.8 | 1.3 | 7.4 | 11.2 | 14.9 | 16.4 | 14.3 | 7.6 | 3.0 | 1.0 |
| 1935 | -2.0 | -2.4 | -2.0 | 1.4 | 4.6 | 10.6 | 15.7 | 14.1 | 9.2 | 5.1 | 3.7 | 0.3 |
| 1936 | -4.1 | -9.4 | -3.9 | -0.1 | 5.7 | 14.3 | 16.0 | 15.5 | 10.3 | 3.2 | 2.6 | 2.4 |
| 1937 | -2.2 | -6.2 | -4.4 | 2.1 | 6.9 | 11.7 | 17.1 | 17.9 | 11.6 | 8.4 | 2.7 | -3.6 |
| 1938 | -2.3 | 0.0 | 0.3 | 1.7 | 5.3 | 10.6 | 16.1 | 17.1 | 12.8 | 8.6 | 5.3 | -0.7 |
| 1939 | -3.2 | 0.2 | -1.7 | 1.0 | 5.2 | 10.5 | 15.7 | 18.8 | 11.1 | 4.3 | 2.6 | -2.3 |
| 1940 | -7.7 | -12.2 | -9.6 | -1.1 | 3.4 | 11.6 | 16.2 | 14.6 | 10.2 | 6.6 | 1.6 | -2.2 |
| 1941 | -8.3 | -9.2 | -8.3 | -2.3 | 3.4 | 9.4 | 17.7 | 14.4 | 9.8 | 3.4 | 0.0 | -7.1 |
| 1942 | -14.0 | -11.3 | -9.1 | -0.2 | 3.3 | 8.1 | 14.9 | 15.3 | 10.9 | 6.0 | 1.3 | -1.0 |
| 1943 | -5.3 | -0.6 | 0.4 | 2.1 | 5.9 | 12.3 | 13.5 | 14.3 | 11.9 | 8.0 | 3.4 | 2.0 |
| 1944 | -1.0 | -1.6 | -1.8 | 0.5 | 4.3 | 9.3 | 15.7 | 15.8 | 11.1 | 7.9 | 2.5 | 1.8 |
| 1945 | -3.8 | -2.5 | -2.0 | 2.7 | 5.1 | 10.5 | 16.7 | 16.0 | 9.0 | 3.9 | 0.7 | -4.0 |
| 1946 | -1.8 | -7.6 | -4.6 | 1.2 | 5.1 | 9.1 | 15.3 | 15.6 | 12.7 | 5.8 | 1.6 | 0.6 |
| 1947 | -4.7 | -11.4 | -8.0 | -0.4 | 5.2 | 11.5 | 17.0 | 15.5 | 12.1 | 5.3 | -0.3 | -1.9 |
| 1948 | -5.9 | -4.5 | -1.3 | 1.5 | 5.8 | 9.6 | 15.5 | 13.8 | 10.7 | 5.2 | 2.2 | 1.8 |
| 1949 | -0.7 | 0.1 | -2.1 | 1.6 | 6.5 | 9.8 | 14.4 | 14.1 | 13.5 | 6.0 | 3.0 | 0.6 |
| 1950 | -7.4 | -3.0 | -0.8 | 2.1 | 6.6 | 11.9 | 15.1 | 16.9 | 11.4 | 7.2 | 2.3 | -0.7 |
Kuukauden äärilämpötiloja ja päivien lukumääriä koskevia tietoja ei ole suoraan saatavilla FMI:n avoimesta datasta, vaan ne on etsitty päiväkohtaisista tilastoista. Jos kuukauden jokaiselta päivältä ei ole saatavilla esimerkiksi maksimilämpötilatietoja, maksimilämpötila on merkitty sulkuihin kyseisen kuukauden osalta.
Tilastot on ladattu Ilmatieteen laitoksen Avoin data -palvelusta.