Jona is a city of approximately 17,700 people in Saint Gallen, Switzerland. Located in the Europe/Zurich time zone at 47.2°N latitude.
Recent weather here gives a sense of typical conditions: in 2025, Jona recorded a mean annual temperature of 51°F, ranging from 18°F lows in January to 91°F highs in August, with about 56 inches of precipitation across the year.
View historical weather for Jona · More cities in Saint Gallen