Jacksonville weather by month
What a typical year looks like in Jacksonville, Texas: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Rusk, 20 km from Jacksonville; records cover 1942–2026.
The year at a glance
- Precipitation a year
- 50.1 in1273 mm
- Snow a year
- Rare
- Last spring freeze
- Mar 8
- First fall freeze
- Nov 28
- Heating degree days
- 2,270
- Cooling degree days
- 2,269
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are 23°−5° (heating, 99%) and 101°38° (cooling, 1%).
Month by month
Jacksonville in January
Highs average 56°13° and lows 37°3°, with 4.4 in111 mm of precipitation and 0.1 in0.3 cm of snow in a typical January.
- Record high
- 85°29° (1943)
- Record low
- 0°−18° (1982)
- Heating degree days
- 577
- Cooling degree days
- 2
Jacksonville in February
Highs average 60°15° and lows 41°5°, with 4.3 in108 mm of precipitation in a typical February.
- Record high
- 93°34° (1986)
- Record low
- −3°−19° (2021)
- Heating degree days
- 426
- Cooling degree days
- 6
Jacksonville in March
Highs average 67°19° and lows 47°8°, with 4.5 in113 mm of precipitation in a typical March.
- Record high
- 94°34° (1946)
- Record low
- 13°−11° (1943)
- Heating degree days
- 268
- Cooling degree days
- 23
Jacksonville in April
Highs average 74°23° and lows 54°12°, with 4 in103 mm of precipitation in a typical April.
- Record high
- 96°36° (1948)
- Record low
- 23°−5° (1987)
- Heating degree days
- 99
- Cooling degree days
- 74
Jacksonville in May
Highs average 81°27° and lows 63°17°, with 4.6 in116 mm of precipitation in a typical May.
- Record high
- 99°37° (2006)
- Record low
- 38°3° (2013)
- Heating degree days
- 15
- Cooling degree days
- 225
Jacksonville in June
Highs average 87°31° and lows 70°21°, with 4.5 in115 mm of precipitation in a typical June.
- Record high
- 103°39° (1980)
- Record low
- 46°8° (1955)
- Heating degree days
- 0
- Cooling degree days
- 405
Jacksonville in July
Highs average 91°33° and lows 72°22°, with 3.4 in86 mm of precipitation in a typical July.
- Record high
- 107°42° (1954)
- Record low
- 56°13° (2009)
- Heating degree days
- 0
- Cooling degree days
- 508
Jacksonville in August
Highs average 92°33° and lows 72°22°, with 3.4 in85 mm of precipitation in a typical August.
- Record high
- 107°42° (1947)
- Record low
- 53°12° (1967)
- Heating degree days
- 0
- Cooling degree days
- 521
Jacksonville in September
Highs average 86°30° and lows 67°19°, with 3.7 in93 mm of precipitation in a typical September.
- Record high
- 110°43° (2000)
- Record low
- 40°4° (1942)
- Heating degree days
- 4
- Cooling degree days
- 349
Jacksonville in OctoberThis month
Highs average 76°25° and lows 57°14°, with 4.7 in118 mm of precipitation in a typical October.
- Record high
- 97°36° (1956)
- Record low
- 26°−3° (1993)
- Heating degree days
- 80
- Cooling degree days
- 129
Jacksonville in November
Highs average 65°19° and lows 47°8°, with 4 in101 mm of precipitation in a typical November.
- Record high
- 89°32° (1948)
- Record low
- 15°−9° (1976)
- Heating degree days
- 289
- Cooling degree days
- 22
Jacksonville in December
Highs average 58°14° and lows 40°4°, with 4.9 in124 mm of precipitation in a typical December.
- Record high
- 83°28° (1956)
- Record low
- −1°−18° (1989)
- Heating degree days
- 512
- Cooling degree days
- 5