Photo: Z28scrambler · CC BY-SA 3.0Few U.S. towns get more rain and snow than Port Vincent: 65 inches a year
On a normal January night the air cools to about 41°. In January, nights here are milder than in 90% of U.S. towns. Decade by decade the climate has edged up, 0.8° above 1901–2000. Seedlings are safe outdoors from about February 9, with the first autumn frost due around December 13.
A year in Port Vincent at a glance
Each month’s typical high and low, and what it brings.
What stands out about Port Vincent’s climate
Compared with towns across the U.S., with Port Vincent’s place in Louisiana beside it.
What a year in Port Vincent feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
About 308 frost-free days a year
In half of years the last 32° night comes by February 9 and the first by December 13. Frost and day counts come from NOAA’s station at Carville 2 Sw, LA, 19 miles from the town’s center, at about the same height.
The 2023 USDA map puts Port Vincent’s center in zone 9a: the coldest night of a typical winter, averaged over 1991–2020, reaches about 23°. Plant labels use the zone; frost dates tell you when to plant.
Freezing nights by month
Average nights at or below 32°
90° days by month
Average days at 90° or more
About 65 inches of rain a year
June is the wettest month and November the driest. Rain falls on about 99 days a year. Snow is rare: about 0.1" in a normal year at Denham Springs, LA, so most winters see none.
Rain + melted snow by month
Inches of water
Heating and cooling a home in Port Vincent
34% of the work is heating, so air conditioning is the bigger bill. Months averaging under 55°: December and January.
Degree days add up how far each day’s average falls below (heating) or rises above (cooling) 65° over a year. NOAA normals at Carville 2 Sw, LA.
Living with Port Vincent’s climate
What the numbers mean for a garden, a free afternoon and a bad-weather day.
308 frost-free days in zone 9a. The last frost comes by Feb 9 in half of years, so many gardeners wait a week or two past that to set out tomatoes. The first fall frost comes by Dec 13.
Months with highs of 62–84° and lows of 40° or more: January, February, March, April, October, November and December.
Parks & trails →Of the yearly building losses FEMA expects in Port Vincent from natural hazards, river flooding is the largest share (45%); heat waves, cold waves, winter storms and ice storms together are 6%. Normals are averages; the hazards page covers the extremes.
Natural hazards →Port Vincent and similar climates
TownRatings has no climate map of the towns around Port Vincent yet.
Climates most like Port Vincent’s, farther away
TownRatings’ own comparison of NOAA 1991–2020 normals, not a NOAA product: places of 5,000+ at least 150 miles away, one per state, closest on January low, July high, precipitation and snow.
| Town | Jan. low | July high | Precip. | Snow |
|---|---|---|---|---|
| Port Vincent, LA | 41° | 92° | 65" | 0.1" |
| Prichard, AL | 40° | 91° | 65" | 0.2" |
| Gonzalez, FL | 42° | 91° | 64" | 0.0" |
| Vidor, TX | 42° | 92° | 61" | 0.1" |
| Magalia, CA | 38° | 92° | 61" | 0.1" |
Temperatures and precipitation come from NOAA’s 5 km grid; snow and day counts from the stations named on this page.
Warmer than it used to be
The last 30 years in Port Vincent averaged 0.8° warmer than the 1900s. The biggest change is in February (+1.4°).
A smaller shift than in 90% of U.S. towns.
Change by month
The two periods overlap (1991–2000 is in both), which makes the gap a little smaller than it would be between separate periods.
How Port Vincent compares
Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with Port Vincent’s place among Louisiana’s.
Port Vincent weather by month
Highs, lows and precipitation from NOAA’s grid at Port Vincent’s center; snow, wet days and snow on the ground from Denham Springs, LA. 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | Snow on ground | 30-yr range |
|---|---|---|---|---|---|---|---|
| January | 62° | 41° | 6.0" | 0.0" | 9 | 0 | 44° – 58° |
| February | 66° | 45° | 4.7" | 0.1" | 8 | 0 | 46° – 65° |
| March | 73° | 50° | 4.8" | 0.0" | 8 | 0 | 56° – 70° |
| April | 79° | 57° | 5.1" | 0.0" | 7 | 0 | 63° – 72° |
| May | 86° | 64° | 5.9" | 0.0" | 8 | 0 | 72° – 78° |
| June | 90° | 71° | 6.9" | 0.0" | 10 | 0 | 78° – 83° |
| July | 92° | 73° | 6.4" | 0.0" | 11 | 0 | 80° – 85° |
| August | 92° | 73° | 6.7" | 0.0" | 10 | 0 | 79° – 85° |
| September | 89° | 68° | 4.8" | 0.0" | 8 | 0 | 76° – 82° |
| October | 81° | 57° | 4.5" | 0.0" | 6 | 0 | 65° – 75° |
| November | 71° | 48° | 4.0" | 0.0" | 7 | 0 | 54° – 64° |
| December | 64° | 43° | 5.2" | 0.0" | 8 | 0 | 47° – 61° |
| Year | 79° | 57° | 64.9" | 0.1" | 99 | 0 |
How much a month can swing
A normal is an average. February swings the most: from 1991 to 2020 its average ranged from 46° to 65°. June is the most reliable, staying within 5°.
Where Port Vincent’s numbers come from
Normals are 30-year averages, not a forecast. How TownRatings reads climate data →
- Temperatures and precipitation: NOAA’s gridded 1991–2020 normals for the 5 km cell at Port Vincent’s center.
- Snow: Denham Springs, LA.
- Frost, freezing nights, 90° and 100° days, heating and cooling: Carville 2 Sw, LA, 19 miles from the town’s center, at about the same height; the nearest station that passes our checks for distance, height and agreement with the grid.
- Growing zone: USDA Plant Hardiness Zone Map, 2023. USDA Agricultural Research Service and PRISM Group, Oregon State University, prism.oregonstate.edu/phzm, accessed 8 Oct 2026.
- Then and now: NOAA’s gridded normals for 1901–2000 at the same cell.
- Storms and extremes: FEMA National Risk Index (expected annual losses to buildings).
Common questions about Port Vincent’s climate
What is the weather like in Port Vincent?
A typical July afternoon reaches 92°, a January night drops to 41°, and snow is almost unheard of. Milder January nights than 90% of U.S. towns; hotter July afternoons than 86% of U.S. towns.
How cold does it get in Port Vincent in winter?
January nights average 41°. About 10 nights a year reach 32° or below. In the coldest January of the last 30 years the month averaged 44°.
How much snow does Port Vincent get?
About 0.1 inches in a normal winter at Denham Springs, LA, so most winters see none.
How hot does it get in Port Vincent?
July, with a typical high of 92° and a low of 73°. About 72 days a year reach 90° (Carville 2 Sw, LA).
When is the first and last frost in Port Vincent?
In half of years the last spring frost (32°) comes by February 9 and the first fall frost by December 13, about 308 frost-free days, at Carville 2 Sw, LA.
What growing zone is Port Vincent in?
Zone 9a on the 2023 USDA Plant Hardiness Zone Map: the coldest night of a typical winter reaches about 23°.
What is the best time of year to visit Port Vincent?
By one simple rule (highs of 62–84° and lows of 40° or more), January, February, March, April, October, November and December. The rule is ours, not NOAA’s; the month table has the numbers to judge by.
Is Port Vincent getting warmer?
Yes: 1991–2020 averaged 0.8° warmer than 1901–2000 on NOAA’s grid. A smaller shift than 90% of U.S. towns.
Neighbors talk weather
Gardens, snow, and the best days of the year in Port Vincent.
Source: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000; USDA/PRISM 2023 hardiness zones; FEMA National Risk Index. Today’s forecast: National Weather Service.