Are roast dinners better in autumn and winter?

Do I score them higher when the weather is cooler?

Note that I am using meteorological seasons, ie winter starts on 1st December.

In Winter, the average roast dinner rating is 7.06 based on 84 reviews.
In Spring, the average roast dinner rating is 7.14 based on 77 reviews.
In Summer, the average roast dinner rating is 6.97 based on 79 reviews.
In Autumn, the average roast dinner rating is 7.22 based on 82 reviews.

Total reviews counted: 322