Rayville, Louisiana climate: Normal weather by month, frost dates and records
Rayville's normal year runs from 38°F January nights to 94°F August afternoons, with 60.0 inches of precipitation and less than an inch of snow (0.7 in) a year. (NOAA 1991-2020 normals)
In metric: a yearly mean of 19.2°C, January lows of 3°C, August highs of 34°C, 1,524 mm of precipitation a year.
- NOAA stationRayville
- Station IDUSC00167691
- Location32.49°N 91.75°W
- Elevation89 ft (27 m)
- Population3,195
On October 23, the normal high in Rayville is 78°F and the normal low 53°F, and the chance of measurable rain or snow is 18%.
Normals describe a typical year at the station, not a forecast. The National Weather Service forecast for Rayville.
- Jan 57° 38°
- Feb 62° 41°
- Mar 70° 48°
- Apr 78° 56°
- May 84° 64°
- Jun 90° 71°
- Jul 93° 74°
- Aug 94° 74°
- Sep 89° 67°
- Oct 80° 56°
- Nov 68° 46°
- Dec 60° 40°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
What is the weather like in Rayville each month?
August is the warmest month, with normal highs of 94°F; January the coldest, with normal lows of 38°F. The most precipitation falls in April (6.70 in), the least in September (3.82 in).
| Month | High | Low | Mean | Precip. | Wet days | 90°F days | Freezing nights | Daylight |
|---|---|---|---|---|---|---|---|---|
| January | 57°F | 38°F | 47.7°F | 5.54 | 8 | <1 | 12 | 10 h 10 min |
| February | 62°F | 41°F | 51.3°F | 5.11 | 8 | <1 | 7 | 11 h |
| March | 70°F | 48°F | 59.0°F | 5.65 | 8 | <1 | 2 | 12 h |
| April | 78°F | 56°F | 66.6°F | 6.70 | 7 | <1 | <1 | 13 h |
| May | 84°F | 64°F | 74.0°F | 5.25 | 8 | 5 | <1 | 13 h 50 min |
| June | 90°F | 71°F | 80.7°F | 4.75 | 8 | 17 | <1 | 14 h 20 min |
| July | 93°F | 74°F | 83.5°F | 4.16 | 8 | 23 | <1 | 14 h 10 min |
| August | 94°F | 74°F | 83.6°F | 3.88 | 7 | 25 | <1 | 13 h 20 min |
| September | 89°F | 67°F | 77.9°F | 3.82 | 5 | 13 | <1 | 12 h 20 min |
| October | 80°F | 56°F | 68.0°F | 4.63 | 5 | 2 | <1 | 11 h 30 min |
| November | 68°F | 46°F | 57.0°F | 4.73 | 6 | <1 | 3 | 10 h 30 min |
| December | 60°F | 40°F | 49.8°F | 5.78 | 9 | <1 | 11 | 10 h |
| Year (annual) | 77°F | 56°F | 66.6°F | 60.00 | 88 | 84 | 35 |
The same normals in °C and millimetres
| Month | High | Low | Mean | Precip. |
|---|---|---|---|---|
| January | 14°C | 3°C | 8.7°C | 141 mm |
| February | 16°C | 5°C | 10.7°C | 130 mm |
| March | 21°C | 9°C | 15.0°C | 144 mm |
| April | 25°C | 13°C | 19.2°C | 170 mm |
| May | 29°C | 18°C | 23.3°C | 133 mm |
| June | 32°C | 22°C | 27.1°C | 121 mm |
| July | 34°C | 24°C | 28.6°C | 106 mm |
| August | 34°C | 23°C | 28.7°C | 99 mm |
| September | 31°C | 20°C | 25.5°C | 97 mm |
| October | 27°C | 13°C | 20.0°C | 118 mm |
| November | 20°C | 8°C | 13.9°C | 120 mm |
| December | 15°C | 4°C | 9.9°C | 147 mm |
Source: NOAA NCEI 1991-2020 monthly normals, station USC00167691; annual normals. Wet days: 0.01 inch or more; 90°F days and freezing nights: NOAA's day counts. Daylight: sunrise to sunset on the 15th, computed from the latitude.
When is the best weather to visit Rayville?
Normal highs sit between 65°F and 85°F in March, April, May, October and November. Of those, October has the fewest days with rain (5).
That is a measurement, not a recommendation: it counts the months whose normal afternoon high sits between 65°F and 85°F, where a light layer is enough by day.
Source: NOAA NCEI 1991-2020 monthly normals, station USC00167691.
When is the last frost in Rayville?
In Rayville, the last spring frost (32°F) comes after February 28 in half of years and after March 19 in one year in ten; the first autumn frost comes before November 26 in half of years and before November 7 in one year in ten.
Frost-free in half of yearsFrost in 1 to 9 years out of 10Frost most years
- Last spring frost, half of years after
- February 281 year in 10 after March 19; 9 in 10 after January 31
- First autumn frost, half of years before
- November 261 year in 10 before November 7; 9 in 10 before December 20
NOAA puts the median frost-free season at 271 days, and the season without a hard freeze (28°F) at 306 days.
A hard freeze (28°F) comes after February 9 in half of springs and before December 11 in half of autumns.
The USDA's 2023 Plant Hardiness Zone Map puts Rayville in zone 8b in ZIP code 71269, the nearest ZIP area.
Frost dates for every NOAA station in Louisiana · Frost dates by ZIP code
Source: NOAA NCEI 1991-2020 annual normals (frost probabilities), station USC00167691; USDA 2023 Plant Hardiness Zone Map, ZIP listings: PRISM Group, Oregon State University, https://prism.oregonstate.edu, accessed October 8, 2026. A 10% date means one year in ten has a frost after it in spring or before it in autumn.
How hot and how cold does it get in Rayville?
In a normal year in Rayville, 84 days a year reach 90°F (3 of them 100°F or more), 35 nights fall to 32°F or colder and 88 days bring measurable precipitation.
- Days at 90°F or more
- 84a normal year
- Days at 100°F or more
- 3a normal year
- Nights at 32°F or colder
- 35a normal year
- Days that stay below freezing
- 2high of 32°F or less
- Days with 0.01 inch of precipitation
- 88a normal year
Source: NOAA NCEI 1991-2020 annual normals, station USC00167691.
How sunny is Rayville?
Over a year 78% of the sunlight that would reach the ground under clear skies gets through the clouds in the area around Rayville, 4.6 kWh per square metre a day. June is the sunniest month (83%) and February the cloudiest (66%).
| Month | Share of clear-sky sunshine | Sunshine, kWh/m² a day |
|---|---|---|
| January | 70% | 2.7 |
| February | 66% | 3.2 |
| March | 73% | 4.4 |
| April | 77% | 5.5 |
| May | 80% | 6.1 |
| June | 83% | 6.5 |
| July | 83% | 6.3 |
| August | 83% | 5.8 |
| September | 83% | 5.1 |
| October | 81% | 4.2 |
| November | 78% | 3.1 |
| December | 70% | 2.4 |
Source: NASA POWER solar climatology, 2001-2020 (CERES SYN1deg). Satellite-based, for the 1-degree cell (about 100 km across) around the station, so it describes the area rather than the airport.
How much heating and cooling does Rayville need?
A normal year in Rayville brings 2,060 heating degree days, 62% fewer than the median U.S. place (5,373), and 2,675 cooling degree days, 2.9 times the median (908). Three months need 300 or more heating degree days, a monthly mean of about 55°F or colder. For gardens and crops, NOAA counts 6,548 growing degree days a year above 50°F.
| Month | Heating | Cooling |
|---|---|---|
| January | 542 | 6 |
| February | 394 | 11 |
| March | 231 | 45 |
| April | 73 | 121 |
| May | 9 | 289 |
| June | 0 | 472 |
| July | 0 | 573 |
| August | 0 | 576 |
| September | 4 | 389 |
| October | 61 | 156 |
| November | 266 | 26 |
| December | 482 | 12 |
| Year (annual) | 2,060 | 2,675 |
Source: NOAA NCEI 1991-2020 monthly normals, station USC00167691. A degree day is one degree of a day's mean temperature below 65°F (heating) or above it (cooling); utilities use them to estimate energy use.
How does Rayville's climate compare?
Rayville is warmer than 27 of the other 64 places with their own NOAA record in Louisiana, and wetter than 31. Across the 7,247 U.S. stations with normals, its annual mean of 66.6°F is warmer than 91%.
In the Köppen classification computed from these normals, Rayville is Cfa: temperate, no dry season, hot summer. What the classes mean.
Places with the most similar year elsewhere
Measured month by month on the normal high, low and precipitation, among places of 20,000 or more people in other states:
Source: NOAA NCEI 1991-2020 normals for every station PlainClimate covers. Similarity: the root-mean-square difference of the 36 monthly figures, precipitation weighted so an inch counts like 6°F.
Which places near Rayville share this climate record?
4 places have no NOAA station with 1991-2020 normals of their own, and this station is the nearest full record. A place's own climate can differ from these figures, by several degrees where it sits much higher or lower than the station, nearer the coast, or inside a large city's heat; for the larger places the next nearest records are named with their yearly mean, so the spread around them is visible, and places of 50,000 or more have their own page with NOAA's gridded normals.
- Delhi, LA2,534 people · 15 mi E
- Start, LA941 people · 7 mi W
- Epps, LA339 people · 17 mi NE
- Oak Ridge, LA112 people · 9 mi N
Source: Census Bureau 2024 Gazetteer (place centers) and Vintage 2024 population estimates. Distance and direction from the station to each place's center.
Questions about Rayville's climate
What is the coldest month in Rayville?
January, with a normal high of 57°F and a normal low of 38°F. The warmest is August (94°F by day, 74°F at night).
Does it snow in Rayville?
Rarely: NOAA's normal is 0.7 inch a year.
What is the rainiest month in Rayville?
April, with 6.70 in of precipitation in a normal year; the driest is September with 3.82 in.
What plant hardiness zone is Rayville in?
The USDA's 2023 map puts Rayville in zone 8b in ZIP code 71269, the nearest ZIP area.
How late can frost come in Rayville?
In half of years the last 32°F night comes after February 28; in one year in ten it comes after March 19. Waiting until March 19 leaves about a one-in-ten chance of a later frost.
Nearby and next
- Louisiana climateThe statewide normals and every place in the state
- Monroe, LA17 miles from this station, 65.7°F a year
- Bastrop, LA19 miles from this station, 63.3°F a year
- Winnsboro, LA24 miles from this station, 65.9°F a year
- Columbia, LA31 miles from this station, 65.5°F a year
- Compare two placesMonth by month, side by side
Download these normals (CSV) · JSON · How these figures are made