If you go. 1  What: Mardi Gras Upriver. 2  When: Feb. 24-26. 3  Where: Downtown Jefferson. 4  Cost: Most activities are free. 5  Information: www.mardigrasupriver.com.
monterey bay, ca: Annual Weather Averages. August is the hottest month in monterey bay, ca with an average temperature of 18Â°C (64Â°F) and the coldest is January at 11Â°C (52Â°F) .onterey bay, ca: Annual Weather Averages. August is the hottest month in monterey bay, ca with an average temperature of 18Â°C (64Â°F) and the coldest is January at 11Â°C (52Â°F) .
Average Weather in October in Monterey California, United States. In Monterey, the month of October is characterized by gradually falling daily high temperatures, with daily highs decreasing by 3Â°F, from 68Â°F to 65Â°F over the course of the month, and rarely exceeding 77Â°F or dropping below 58Â°F.