As of 00:25 CDT

Harlingen, TX weather in December

82°

Harlingen, Sunday, 9 August, 00:25

Clear. Feels like 90°. High 95°, low 78°.

Pressure29.97 inHg

Wind6.4 mph SE

Humidity84%

Visibility6.2 mi

Dew point76°

See detailed hourly forecast

In December, Harlingen, TX averages a high of 72.6° and a low of 57.4°. About 1.3 inches of precipitation fall over the month (6 wet days). The record high is 92.3° (1977) and the record low 19° (1989). Normals are computed over the last 60 years.

Day	High	Low	Chance of precip.	Record high	Record low
1	73°	58.3°	13%	83.8° (1991)	40.3° (2020)
2	74.8°	59.5°	20%	84.7° (2007)	43.7° (2009)
3	74.8°	60.4°	17%	91° (1964)	35.8° (1976)
4	73.9°	59.9°	20%	87.6° (1977)	39° (2009)
5	74.3°	59.9°	17%	92.3° (1977)	33.1° (2009)
6	73.9°	59.7°	20%	85.3° (2021)	44.1° (2002)
7	73.4°	59°	18%	88° (1996)	37.8° (2013)
8	74.5°	58.3°	20%	83.7° (1966)	34.3° (2017)
9	73.8°	59°	15%	86° (1961)	38.7° (2005)
10	72.3°	56.5°	22%	86.7° (1993)	36.3° (1978)
11	72.3°	56.3°	13%	89.6° (1963)	41.9° (2017)
12	72.3°	57.4°	17%	84.4° (1996)	38.5° (1966)
13	73.8°	58.5°	20%	86.7° (2020)	34.3° (1989)
14	73.6°	58.1°	15%	88.3° (1987)	35.8° (1985)
15	72.9°	57.4°	18%	86.4° (2012)	38.1° (1985)
16	72°	56.5°	23%	87.6° (2019)	37.6° (1972)
17	70.9°	55.6°	28%	84.6° (2016)	39.7° (1989)
18	72.3°	56.3°	18%	85.1° (2021)	35.8° (1964)
19	72°	56.8°	15%	84.4° (2012)	32.5° (1996)
20	72.3°	58.5°	18%	84° (2025)	39° (1973)
21	72.7°	58.1°	17%	86° (2013)	33.3° (1973)
22	73.4°	57.2°	13%	83.8° (1981)	27.7° (1989)
23	71.4°	57°	13%	86° (2015)	19° (1989)
24	69.6°	54.5°	18%	86.2° (2015)	22.5° (1989)
25	68.7°	53.1°	12%	88.9° (2012)	20.7° (1983)
26	70.3°	53.8°	17%	85.1° (2024)	23.5° (2004)
27	72.7°	56.1°	13%	90.1° (1968)	39° (1983)
28	72.5°	57.9°	13%	86.4° (2024)	37.9° (1997)
29	71.6°	56.1°	17%	87.3° (2021)	30° (1983)
30	71.6°	57.2°	27%	86.4° (2024)	28.4° (1983)
31	72.3°	56.8°	28%	86.9° (2010)	37° (1983)