Rio Grande City December Weather

Averages and records for weather in Rio Grande City, Texas in the month of December.
Typical Rio Grande City December Weather
1991–2020
Average daily high 71.6 °F
Average daily low 47.4 °F
Average monthly precipitation 1.0 inches
Average monthly snow 0.2 inches
Daily chance of precipitation 19.1%
Daily chance of snow 0.16%
Rio Grande City December Weather Records
1892–2024
Highest temperature 97 °F December 6, 1977
Lowest temperature 15 °F December 21, 1973
Highest daily low 74 °F December 10, 2007
Lowest daily high 27 °F December 23, 1989
Hottest average high temperature 81.9 °F 2021
Coldest average high temperature 62.7 °F 1976
Most daily precipitation 2.6 inches December 11, 2011
Most monthly precipitation 4.7 inches 1986
Most daily snow 3.0 inches December 25, 2004
Most monthly snow 3.0 inches 2004
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 75.1 50.4 91 24
December 2 74.9 50.2 91 24
December 3 74.6 50.0 93 28
December 4 74.4 49.7 91 26
December 5 74.0 49.5 95 26
December 6 73.9 49.3 97 30
December 7 73.8 49.1 96 25
December 8 73.5 48.8 91 25
December 9 73.3 48.6 92 31
December 10 72.9 48.4 94 18
December 11 72.5 48.1 92 18
December 12 72.2 47.8 93 22
December 13 71.9 47.7 88 20
December 14 71.7 47.5 90 19
December 15 71.6 47.4 90 22
December 16 71.6 47.3 90 25
December 17 71.5 47.2 91 23
December 18 71.3 47.2 90 23
December 19 71.1 47.1 89 24
December 20 71.0 47.0 90 30
December 21 70.9 46.9 92 15
December 22 70.8 46.8 92 16
December 23 70.6 46.5 89 17
December 24 70.4 46.3 92 18
December 25 70.3 46.2 92 16
December 26 70.3 46.0 92 16
December 27 70.3 45.9 93 25
December 28 70.3 45.8 93 24
December 29 70.2 45.9 91 29
December 30 70.2 45.9 90 19
December 31 70.1 45.7 91 19
Weather Station Details
Years Station Coordinates
1892–2024 Rio Grande City location