Why is melting point of Vanadium higher than Iron?
@Jon Custer makes a good point in his comment so lets look beyond the electronic shell configuration of V and Fe to help understand the different in melting points.
Consider the following:
Pauling’s Electronegativity Fe &gt; V  1.8 vs 1.6
Vander walls radius Fe &lt; V  0.126 nm vs 0.134 nm
And consistent with Fe having a higher electronegativity the first ionization energy of Fe [761 kJ per mol] is greater than that of V [ 649.1 kJ per mol]
Given that we think of melting as the breaking of lattice forces holding atoms together, Fe being a smaller and more electronegative atom [vs V] is consistent with the relative melting points of these two elements.
Ref:
https://www.lenntech.com/periodic/elements/fe.htm
https://www.lenntech.com/periodic/elements/v.htm