About Rijeka, Primorje Gorski Kotar

Rijeka, in Primorje-Gorski Kotar, Croatia, is home to roughly 108,000 people in the Europe/Zagreb time zone at 45.3°N latitude.

Recent weather here gives a sense of typical conditions: in 2025, Rijeka recorded a mean annual temperature of 59°F, ranging from 28°F lows in February to 97°F highs in August, with about 100 inches of precipitation across the year.