Mandeville weather by month
What a typical year looks like in Mandeville, Louisiana: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at COVINGTON 8 WNW, 20 km from Mandeville; records cover 1956–2026.
The year at a glance
- Precipitation a year
- 62.5 in1588 mm
- Snow a year
- Rare
- Last spring freeze
- Mar 22
- First fall freeze
- Nov 16
- Heating degree days
- 1,672
- Cooling degree days
- 2,407
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are 24°−4° (heating, 99%) and 97°36° (cooling, 1%).
Month by month
Mandeville in January
Highs average 62°16° and lows 40°5°, with 5.6 in142 mm of precipitation in a typical January.
- Record high
- 83°28° (1957)
- Record low
- 7°−14° (1985)
- Heating degree days
- 446
- Cooling degree days
- 7
Mandeville in February
Highs average 66°19° and lows 44°6°, with 4.6 in118 mm of precipitation in a typical February.
- Record high
- 86°30° (2025)
- Record low
- 10°−12° (1996)
- Heating degree days
- 304
- Cooling degree days
- 14
Mandeville in March
Highs average 72°22° and lows 49°9°, with 5 in128 mm of precipitation and 0.1 in0.3 cm of snow in a typical March.
- Record high
- 88°31° (1967)
- Record low
- 17°−8° (1980)
- Heating degree days
- 178
- Cooling degree days
- 45
Mandeville in April
Highs average 78°25° and lows 55°13°, with 5.3 in135 mm of precipitation in a typical April.
- Record high
- 93°34° (1987)
- Record low
- 28°−2° (1987)
- Heating degree days
- 66
- Cooling degree days
- 113
Mandeville in May
Highs average 84°29° and lows 63°17°, with 5.3 in134 mm of precipitation in a typical May.
- Record high
- 98°37° (2000)
- Record low
- 40°4° (1960)
- Heating degree days
- 6
- Cooling degree days
- 271
Mandeville in June
Highs average 89°32° and lows 69°21°, with 6.7 in169 mm of precipitation in a typical June.
- Record high
- 101°38° (1963)
- Record low
- 46°8° (1984)
- Heating degree days
- 0
- Cooling degree days
- 421
Mandeville in July
Highs average 90°32° and lows 71°22°, with 6.4 in163 mm of precipitation in a typical July.
- Record high
- 104°40° (2000)
- Record low
- 54°12° (2008)
- Heating degree days
- 0
- Cooling degree days
- 487
Mandeville in August
Highs average 90°32° and lows 72°22°, with 6 in152 mm of precipitation in a typical August.
- Record high
- 107°42° (2000)
- Record low
- 55°13° (1956)
- Heating degree days
- 0
- Cooling degree days
- 488
Mandeville in September
Highs average 87°30° and lows 68°20°, with 4.1 in105 mm of precipitation in a typical September.
- Record high
- 105°41° (2000)
- Record low
- 38°3° (1967)
- Heating degree days
- 1
- Cooling degree days
- 364
Mandeville in OctoberThis month
Highs average 79°26° and lows 57°14°, with 4.5 in115 mm of precipitation in a typical October.
- Record high
- 96°36° (1963)
- Record low
- 28°−2° (1957)
- Heating degree days
- 56
- Cooling degree days
- 152
Mandeville in November
Highs average 70°21° and lows 47°8°, with 4 in102 mm of precipitation in a typical November.
- Record high
- 90°32° (2024)
- Record low
- 21°−6° (1976)
- Heating degree days
- 231
- Cooling degree days
- 32
Mandeville in December
Highs average 64°18° and lows 43°6°, with 4.9 in125 mm of precipitation in a typical December.
- Record high
- 83°28° (1958)
- Record low
- 7°−14° (1962)
- Heating degree days
- 384
- Cooling degree days
- 13