Annual Temperature

Month       Annual High    Annual Low
January         2°C                -3°C
February       5°C                -1°C
March         11°C                 3°C
April           17°C                 7°C
May            22°C               12°C
June           25°C               14°C
July             27°C              16°C
August        27°C              16°C
September   22°C              12°C
October       16                  8
November     8                   3
December     3                  -1