You searched for: “heliophile
heliophile (s) (noun), heliophiles (pl)
1. Any living creature or vegetation that is well-adapted to or thrives in full sunlight conditions: A heliophile can be an aquatic alga that is suited to reach maximum exposure to the light of the sun.
2. An individual who finds much pleasure in sunny weather: Toby's next-door neighbor was a heliophile who used every moment to be outside when the sun was out.