Heat islands.
I drive on I 80 occasionally west of Des Moines into western Iowa and back.
Every single time, my car thermometer registers a 2-3 temp rise as I come back into the Des Moines metro area from out in the country.
That heat island effect is NEVER discussed.
Man made concrete and asphalt shingles collect heat in urban areas.
Pretty simple really
That Libs cannot, or will not, notice this is only typical of their refusal to accept reality.