Steenvoorde has anoceanic climate (Köppen climate classificationCfb). The average annual temperature in Steenvoorde is 11.2 °C (52.2 °F). The average annual rainfall is 727.8 mm (28.65 in) with November as the wettest month. The temperatures are highest on average in July, at around 18.5 °C (65.3 °F), and lowest in January, at around 4.5 °C (40.1 °F). The highest temperature ever recorded in Steenvoorde was 40.8 °C (105.4 °F) on 25 July 2019; the coldest temperature ever recorded was −13.4 °C (7.9 °F) on 4 February 2012.
Climate data for Steenvoorde (1991−2020 normals, extremes 2004−present)
The arms of Steenvoorde areblazoned : Barry Or and azure, in chief in fess 3 annulets impaled withQuarterly 2&4: Or, 3 ?pallets couped? sable within a bordure engrailed azure; 2&3: Barry argent and azure, a lion sable.