Delta weather by month
What a typical year looks like in Delta, Louisiana: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Tallulah Vicksburg Regional Airport, 7 km from Delta; records cover 1948–2026.
The year at a glance
- Precipitation a year
- 53.4 in1355 mm
- Snow a year
- Rare
- Last spring freeze
- Mar 5
- First fall freeze
- Nov 12
- Heating degree days
- 2,102
- Cooling degree days
- 2,540
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are 21°−6° (heating, 99%) and 99°37° (cooling, 1%).
Month by month
Delta in January
Highs average 57°14° and lows 38°3°, with 5.4 in138 mm of precipitation in a typical January.
- Record high
- 85°29° (2022)
- Record low
- −2°−19° (1948)
- Heating degree days
- 546
- Cooling degree days
- 5
Delta in February
Highs average 62°17° and lows 42°5°, with 5.1 in130 mm of precipitation in a typical February.
- Record high
- 87°31° (2023)
- Record low
- −12°−24° (1951)
- Heating degree days
- 382
- Cooling degree days
- 12
Delta in March
Highs average 70°21° and lows 49°9°, with 5 in128 mm of precipitation in a typical March.
- Record high
- 89°32° (1982)
- Record low
- 11°−12° (1980)
- Heating degree days
- 221
- Cooling degree days
- 39
Delta in April
Highs average 77°25° and lows 56°13°, with 6 in151 mm of precipitation in a typical April.
- Record high
- 92°33° (1999)
- Record low
- 28°−2° (1950)
- Heating degree days
- 75
- Cooling degree days
- 111
Delta in May
Highs average 84°29° and lows 64°18°, with 3.9 in98 mm of precipitation in a typical May.
- Record high
- 97°36° (1951)
- Record low
- 37°3° (2013)
- Heating degree days
- 10
- Cooling degree days
- 285
Delta in June
Highs average 90°32° and lows 71°21°, with 3.7 in95 mm of precipitation in a typical June.
- Record high
- 102°39° (2009)
- Record low
- 47°8° (1956)
- Heating degree days
- 0
- Cooling degree days
- 462
Delta in July
Highs average 93°34° and lows 73°23°, with 4.1 in103 mm of precipitation in a typical July.
- Record high
- 104°40° (1954)
- Record low
- 54°12° (1967)
- Heating degree days
- 0
- Cooling degree days
- 553
Delta in August
Highs average 93°34° and lows 72°22°, with 3.8 in95 mm of precipitation in a typical August.
- Record high
- 107°42° (2023)
- Record low
- 52°11° (1956)
- Heating degree days
- 0
- Cooling degree days
- 539
Delta in September
Highs average 88°31° and lows 66°19°, with 3 in76 mm of precipitation in a typical September.
- Record high
- 105°41° (2000)
- Record low
- 34°1° (1967)
- Heating degree days
- 3
- Cooling degree days
- 370
Delta in OctoberThis month
Highs average 79°26° and lows 54°12°, with 4.1 in105 mm of precipitation in a typical October.
- Record high
- 98°37° (2019)
- Record low
- 22°−6° (1952)
- Heating degree days
- 85
- Cooling degree days
- 133
Delta in November
Highs average 68°20° and lows 44°7°, with 3.9 in100 mm of precipitation in a typical November.
- Record high
- 89°32° (2022)
- Record low
- 15°−9° (1951)
- Heating degree days
- 294
- Cooling degree days
- 21
Delta in December
Highs average 60°15° and lows 40°4°, with 5.4 in137 mm of precipitation in a typical December.
- Record high
- 85°29° (2021)
- Record low
- 4°−16° (1989)
- Heating degree days
- 486
- Cooling degree days
- 10