Weather

Elevation: 2 to 3 m (7 to 10 ft.)

Average Precipitation: 30 cm (12 in.) per year.

Average Temperatures:
September maximum: 29 ºC (86 ºF)
January minimum: 4 ºC (40 ºF)
Annual mean: 17 ºC (62 ºF)

Wunderground San Joaquin Marsh weather station