Merced December Weather

Averages and records for weather in Merced, California in the month of December.
Typical Merced December Weather
1991–2020
Average daily high 55.9 °F
Average daily low 36.9 °F
Average monthly precipitation 1.9 inches
Daily chance of precipitation 30.3%
Merced December Weather Records
1899–2024
Highest temperature 76 °F December 7, 1912
Lowest temperature 15 °F December 24, 1990
Highest daily low 60 °F December 3, 2014
Lowest daily high 35 °F December 21, 1998
Hottest average high temperature 66.0 °F 1912
Coldest average high temperature 45.0 °F 1963
Most daily precipitation 2.1 inches December 23, 1955
Most monthly precipitation 5.6 inches 1921
Note: Daily averages are a moving average which includes 14 days before and after
Day Average (°F) Record (°F)
High Low High Low
December 1 59.8 38.5 71 21
December 2 59.4 38.3 71 23
December 3 59.0 38.2 72 26
December 4 58.7 38.0 73 25
December 5 58.3 37.9 71 20
December 6 58.0 37.7 75 20
December 7 57.7 37.5 76 18
December 8 57.4 37.4 71 17
December 9 57.1 37.4 72 16
December 10 56.7 37.2 74 17
December 11 56.5 37.1 73 20
December 12 56.3 36.9 72 17
December 13 56.2 36.8 75 19
December 14 56.1 36.7 72 17
December 15 55.9 36.7 70 18
December 16 55.8 36.6 70 25
December 17 55.6 36.6 69 23
December 18 55.5 36.6 68 23
December 19 55.3 36.6 70 23
December 20 55.2 36.5 74 23
December 21 55.1 36.5 68 21
December 22 54.9 36.4 68 16
December 23 54.8 36.3 69 16
December 24 54.7 36.3 67 15
December 25 54.6 36.3 68 19
December 26 54.6 36.4 68 18
December 27 54.5 36.4 67 21
December 28 54.5 36.3 67 20
December 29 54.4 36.3 68 19
December 30 54.5 36.3 68 20
December 31 54.5 36.4 68 21
Weather Station Details
Years Station Coordinates
1998–2024 Merced Municipal Airport location
1899–1998 Merced location