Youngsville weather by month
What a typical year looks like in Youngsville, Louisiana: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at LAFAYETTE REGIONAL AP, 12 km from Youngsville; records cover 1893–2026.
The year at a glance
- Precipitation a year
- 62.8 in1595 mm
- Snow a year
- Rare
- Last spring freeze
- Feb 12
- First fall freeze
- Dec 6
- Heating degree days
- 1,377
- Cooling degree days
- 3,004
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are 28°−2° (heating, 99%) and 97°36° (cooling, 1%).
Month by month
Youngsville in January
Highs average 62°17° and lows 44°6°, with 5.9 in150 mm of precipitation in a typical January.
- Record high
- 87°31° (1916)
- Record low
- 4°−16° (2025)
- Heating degree days
- 392
- Cooling degree days
- 15
Youngsville in February
Highs average 66°19° and lows 47°9°, with 4.1 in103 mm of precipitation in a typical February.
- Record high
- 87°31° (1910)
- Record low
- 6°−14° (1899)
- Heating degree days
- 256
- Cooling degree days
- 25
Youngsville in March
Highs average 73°23° and lows 53°12°, with 3.7 in94 mm of precipitation in a typical March.
- Record high
- 93°34° (1910)
- Record low
- 22°−6° (1980)
- Heating degree days
- 136
- Cooling degree days
- 73
Youngsville in April
Highs average 79°26° and lows 59°15°, with 4.9 in125 mm of precipitation in a typical April.
- Record high
- 93°34° (1910)
- Record low
- 32°0° (1940)
- Heating degree days
- 38
- Cooling degree days
- 162
Youngsville in May
Highs average 86°30° and lows 67°20°, with 5.4 in138 mm of precipitation in a typical May.
- Record high
- 98°37° (1896)
- Record low
- 42°6° (1925)
- Heating degree days
- 2
- Cooling degree days
- 360
Youngsville in June
Highs average 90°32° and lows 73°23°, with 7.1 in180 mm of precipitation in a typical June.
- Record high
- 106°41° (1930)
- Record low
- 51°11° (1903)
- Heating degree days
- 0
- Cooling degree days
- 499
Youngsville in July
Highs average 92°33° and lows 75°24°, with 6.3 in159 mm of precipitation in a typical July.
- Record high
- 107°42° (1901)
- Record low
- 59°15° (1924)
- Heating degree days
- 0
- Cooling degree days
- 567
Youngsville in August
Highs average 92°34° and lows 75°24°, with 6.3 in159 mm of precipitation in a typical August.
- Record high
- 110°43° (2023)
- Record low
- 58°14° (1906)
- Heating degree days
- 0
- Cooling degree days
- 573
Youngsville in September
Highs average 89°32° and lows 70°21°, with 5 in128 mm of precipitation in a typical September.
- Record high
- 103°39° (2000)
- Record low
- 41°5° (1896)
- Heating degree days
- 0
- Cooling degree days
- 441
Youngsville in OctoberThis month
Highs average 81°27° and lows 60°16°, with 4.8 in121 mm of precipitation in a typical October.
- Record high
- 98°37° (1933)
- Record low
- 27°−3° (1917)
- Heating degree days
- 34
- Cooling degree days
- 210
Youngsville in November
Highs average 72°22° and lows 50°10°, with 4.4 in112 mm of precipitation in a typical November.
- Record high
- 92°33° (1936)
- Record low
- 21°−6° (1916)
- Heating degree days
- 179
- Cooling degree days
- 54
Youngsville in December
Highs average 64°18° and lows 45°7°, with 5 in126 mm of precipitation in a typical December.
- Record high
- 89°32° (1906)
- Record low
- 9°−13° (1989)
- Heating degree days
- 340
- Cooling degree days
- 25