Lsu Citrus Research Station, Louisiana climate: Climate normals at a NOAA weather station
Lsu Citrus Research Station's normal year runs from 46°F January nights to 90°F August afternoons, with 63.9 inches of precipitation a year. (NOAA 1991-2020 normals)
In metric: a yearly mean of 21.1°C, January lows of 8°C, August highs of 32°C, 1,624 mm of precipitation a year.
- NOAA stationLsu Citrus Research Station
- Station IDUSC00165624
- Location29.58°N 89.82°W
- Elevation4 ft (1 m)
On October 23, the normal high in Lsu Citrus Research Station is 78°F and the normal low 62°F, and the chance of measurable rain or snow is 21%.
Normals describe a typical year at the station, not a forecast. The National Weather Service forecast for Lsu Citrus Research Station.
- Jan 63° 46°
- Feb 66° 48°
- Mar 72° 54°
- Apr 77° 61°
- May 84° 68°
- Jun 88° 74°
- Jul 90° 75°
- Aug 90° 75°
- Sep 87° 73°
- Oct 80° 64°
- Nov 72° 55°
- Dec 67° 48°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
What is the weather like at Lsu Citrus Research Station each month?
August is the warmest month, with normal highs of 90°F; January the coldest, with normal lows of 46°F. The most precipitation falls in July (8.14 in), the least in November (2.99 in).
| Month | High | Low | Mean | Precip. | Wet days | 90°F days | Freezing nights | Daylight |
|---|---|---|---|---|---|---|---|---|
| January | 63°F | 46°F | 54.7°F | 5.84 | 9 | <1 | 3 | 10 h 30 min |
| February | 66°F | 48°F | 57.2°F | 3.85 | 8 | <1 | 1 | 11 h 10 min |
| March | 72°F | 54°F | 63.1°F | 4.94 | 9 | <1 | <1 | 12 h |
| April | 77°F | 61°F | 68.8°F | 5.63 | 6 | <1 | <1 | 12 h 50 min |
| May | 84°F | 68°F | 75.9°F | 3.36 | 6 | 3 | <1 | 13 h 40 min |
| June | 88°F | 74°F | 81.1°F | 6.43 | 11 | 8 | <1 | 14 h |
| July | 90°F | 75°F | 82.5°F | 8.14 | 12 | 17 | <1 | 13 h 50 min |
| August | 90°F | 75°F | 82.8°F | 7.82 | 14 | 17 | <1 | 13 h 10 min |
| September | 87°F | 73°F | 80.1°F | 6.17 | 10 | 7 | <1 | 12 h 20 min |
| October | 80°F | 64°F | 72.1°F | 4.32 | 7 | 1 | <1 | 11 h 30 min |
| November | 72°F | 55°F | 63.2°F | 2.99 | 7 | <1 | <1 | 10 h 40 min |
| December | 67°F | 48°F | 57.2°F | 4.45 | 8 | <1 | 1 | 10 h 20 min |
| Year (annual) | 78°F | 62°F | 69.9°F | 63.94 | 108 | 52 | 5 |
The same normals in °C and millimetres
| Month | High | Low | Mean | Precip. |
|---|---|---|---|---|
| January | 17°C | 8°C | 12.6°C | 148 mm |
| February | 19°C | 9°C | 14.0°C | 98 mm |
| March | 22°C | 12°C | 17.3°C | 125 mm |
| April | 25°C | 16°C | 20.4°C | 143 mm |
| May | 29°C | 20°C | 24.4°C | 85 mm |
| June | 31°C | 23°C | 27.3°C | 163 mm |
| July | 32°C | 24°C | 28.1°C | 207 mm |
| August | 32°C | 24°C | 28.2°C | 199 mm |
| September | 31°C | 23°C | 26.7°C | 157 mm |
| October | 27°C | 18°C | 22.3°C | 110 mm |
| November | 22°C | 13°C | 17.3°C | 76 mm |
| December | 19°C | 9°C | 14.0°C | 113 mm |
Source: NOAA NCEI 1991-2020 monthly normals, station USC00165624; 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.
Which months are mildest at Lsu Citrus Research Station?
Normal highs sit between 65°F and 85°F in February, March, April, May, October, November and December. Of those, April has the fewest days with rain (6).
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 USC00165624.
When is the last frost at Lsu Citrus Research Station?
In Lsu Citrus Research Station, the last spring frost (32°F) comes after February 3 in half of years and after March 2 in one year in ten; the first autumn frost comes before December 28 in half of years and before December 5 in one year in ten. A night at 32°F or colder comes at all in 90% of years here (NOAA).
Frost-free in half of yearsFrost in 1 to 9 years out of 10Frost most years
- Last spring frost, half of years after
- February 31 year in 10 after March 2; 9 in 10 after January 2
- First autumn frost, half of years before
- December 281 year in 10 before December 5; 9 in 10 before January 31
NOAA puts the median frost-free season at 327 days, and the season without a hard freeze (28°F) at 363 days.
A hard freeze (28°F) comes after January 23 in half of springs and before January 7 in half of autumns.
The USDA's 2023 Plant Hardiness Zone Map puts Lsu Citrus Research Station in zone 9b in ZIP code 70082, 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 USC00165624; 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 at Lsu Citrus Research Station?
In a normal year in Lsu Citrus Research Station, 52 days a year reach 90°F, 5 nights fall to 32°F or colder and 108 days bring measurable precipitation.
- Days at 90°F or more
- 52a normal year
- Days at 100°F or more
- fewer than 1a normal year
- Nights at 32°F or colder
- 5a normal year
- Days that stay below freezing
- fewer than 1high of 32°F or less
- Days with 0.01 inch of precipitation
- 108a normal year
The highest temperature in this station's record (since 1958) is 100°F, on May 29, 1999; the lowest is 12°F, on December 23, 1989.
The wettest calendar year on that record is 1991, with 99.07 in.
Source: NOAA NCEI 1991-2020 annual normals, station USC00165624; records: ACIS (NOAA Regional Climate Centers), station USC00165624. Records use complete months only; a month missing more than three days is left out.
How sunny is it at Lsu Citrus Research Station?
Over a year 79% of the sunlight that would reach the ground under clear skies gets through the clouds at Lsu Citrus Research Station, 4.7 kWh per square metre a day. May is the sunniest month (85%) and December the cloudiest (72%).
| Month | Share of clear-sky sunshine | Sunshine, kWh/m² a day |
|---|---|---|
| January | 73% | 3.0 |
| February | 72% | 3.6 |
| March | 78% | 4.8 |
| April | 81% | 5.7 |
| May | 85% | 6.4 |
| June | 81% | 6.2 |
| July | 77% | 5.7 |
| August | 77% | 5.3 |
| September | 81% | 5.0 |
| October | 84% | 4.4 |
| November | 81% | 3.5 |
| December | 72% | 2.7 |
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 many heating and cooling degree days does Lsu Citrus Research Station record?
A normal year at Lsu Citrus Research Station brings 1,140 heating degree days, 79% fewer than the median U.S. place (5,373), and 2,948 cooling degree days, 3.2 times the median (908). One month needs 300 or more heating degree days, a monthly mean of about 55°F or colder. For gardens and crops, NOAA counts 7,407 growing degree days a year above 50°F.
| Month | Heating | Cooling |
|---|---|---|
| January | 336 | 16 |
| February | 233 | 17 |
| March | 119 | 60 |
| April | 34 | 148 |
| May | 2 | 340 |
| June | 0 | 483 |
| July | 0 | 543 |
| August | 0 | 552 |
| September | 0 | 451 |
| October | 19 | 241 |
| November | 124 | 68 |
| December | 274 | 31 |
| Year (annual) | 1,140 | 2,948 |
Source: NOAA NCEI 1991-2020 monthly normals, station USC00165624. 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 Lsu Citrus Research Station's climate compare?
Lsu Citrus Research Station is warmer than 58 of the 65 places with their own NOAA record in Louisiana, and wetter than 50. Across the 7,247 U.S. stations with normals, its annual mean of 69.9°F is warmer than 95%.
In the Köppen classification computed from these normals, Lsu Citrus Research Station 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 Lsu Citrus Research Station share this climate record?
2 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.
- Port Sulphur, LA1,529 people · 8 mi SE
- Pointe a la Hache, LA344 people · 3 mi E
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 Lsu Citrus Research Station's climate
What is the coldest month at Lsu Citrus Research Station?
January, with a normal high of 63°F and a normal low of 46°F. The warmest is August (90°F by day, 75°F at night).
Does it snow at Lsu Citrus Research Station?
Rarely: NOAA's normal is no measurable snow a year.
What is the rainiest month at Lsu Citrus Research Station?
July, with 8.14 in of precipitation in a normal year; the driest is November with 2.99 in.
What plant hardiness zone is Lsu Citrus Research Station in?
The USDA's 2023 map puts Lsu Citrus Research Station in zone 9b in ZIP code 70082, the nearest ZIP area.
How late can frost come at Lsu Citrus Research Station?
In half of years the last 32°F night comes after February 3; in one year in ten it comes after March 2. Waiting until March 2 leaves about a one-in-ten chance of a later frost.
Nearby and next
- Louisiana climateThe statewide normals and every place in the state
- St Bernard, LA20 miles from this station, 68.6°F a year
- Marrero, LA22 miles from this station, 68.4°F a year
- Buras, LA25 miles from this station, 70.3°F a year
- Terrytown, LA26 miles from this station, 70.3°F a year
- Compare two placesMonth by month, side by side
Download these normals (CSV) · JSON · How these figures are made