Rockefeller Wildlife Refuge, Louisiana climate: Climate normals at a NOAA weather station

Rockefeller Wildlife Refuge's normal year runs from 45°F January nights to 91°F August afternoons, with 59.4 inches of precipitation a year. (NOAA 1991-2020 normals)

In metric: a yearly mean of 20.9°C, January lows of 7°C, August highs of 33°C, 1,508 mm of precipitation a year.

  • NOAA stationRockefeller Wildlife Refuge
  • Station IDUSC00167932
  • Location29.73°N 92.82°W
  • Elevation4 ft (1 m)

On October 23, the normal high in Rockefeller Wildlife Refuge is 79°F and the normal low 60°F, and the chance of measurable rain or snow is 27%.

Normals describe a typical year at the station, not a forecast. The National Weather Service forecast for Rockefeller Wildlife Refuge.

  1. Jan 62° 45°
  2. Feb 65° 48°
  3. Mar 71° 55°
  4. Apr 77° 61°
  5. May 83° 69°
  6. Jun 88° 75°
  7. Jul 90° 77°
  8. Aug 91° 76°
  9. Sep 88° 72°
  10. Oct 81° 62°
  11. Nov 72° 53°
  12. Dec 64° 47°

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 Rockefeller Wildlife Refuge each month?

August is the warmest month, with normal highs of 91°F; January the coldest, with normal lows of 45°F. The most precipitation falls in August (7.04 in), the least in February (3.29 in).

Rockefeller Wildlife Refuge monthly normals, 1991-2020 (°F, inches)
MonthHighLowMeanPrecip.Wet days90°F daysFreezing nightsDaylight
January 62°F45°F53.1°F 5.67 13<1410 h 30 min
February 65°F48°F56.7°F 3.29 11<1111 h 10 min
March 71°F55°F62.8°F 3.40 9<1112 h
April 77°F61°F68.9°F 4.64 7<1<112 h 50 min
May 83°F69°F76.2°F 4.45 71<113 h 40 min
June 88°F75°F81.6°F 5.93 119<114 h
July 90°F77°F83.2°F 6.96 1318<113 h 50 min
August 91°F76°F83.3°F 7.04 1420<113 h 10 min
September 88°F72°F79.9°F 6.01 1111<112 h 20 min
October 81°F62°F71.6°F 3.72 81<111 h 30 min
November 72°F53°F62.2°F 4.30 9<1110 h 40 min
December 64°F47°F55.4°F 3.97 11<1210 h 20 min
Year (annual)78°F62°F69.6°F59.38123608
The same normals in °C and millimetres
Rockefeller Wildlife Refuge monthly normals, 1991-2020 (°C, mm)
MonthHighLowMeanPrecip.
January16°C7°C11.7°C144 mm
February18°C9°C13.7°C84 mm
March22°C13°C17.1°C86 mm
April25°C16°C20.5°C118 mm
May29°C21°C24.6°C113 mm
June31°C24°C27.6°C151 mm
July32°C25°C28.4°C177 mm
August33°C24°C28.5°C179 mm
September31°C22°C26.6°C153 mm
October27°C17°C22.0°C94 mm
November22°C12°C16.8°C109 mm
December18°C8°C13.0°C101 mm
Normal daily high and low by month, Rockefeller Wildlife Refuge
Normal precipitation by month, Rockefeller Wildlife Refuge (inches)

Source: NOAA NCEI 1991-2020 monthly normals, station USC00167932; 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 Rockefeller Wildlife Refuge?

Normal highs sit between 65°F and 85°F in February, March, April, May, October and November. Of those, May has the fewest days with rain (7).

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 USC00167932.

When is the last frost at Rockefeller Wildlife Refuge?

In Rockefeller Wildlife Refuge, the last spring frost (32°F) comes after February 2 in half of years and after March 4 in one year in ten; the first autumn frost comes before December 23 in half of years and before November 29 in one year in ten. A night at 32°F or colder comes at all in 92% 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 21 year in 10 after March 4; 9 in 10 after January 2
First autumn frost, half of years before
December 231 year in 10 before November 29; 9 in 10 before January 19

NOAA puts the median frost-free season at 323 days, and the season without a hard freeze (28°F) at 355 days.

A hard freeze (28°F) comes after January 21 in half of springs and before January 5 in half of autumns.

The USDA's 2023 Plant Hardiness Zone Map puts Rockefeller Wildlife Refuge in zone 9b in ZIP code 70643, the nearest ZIP area. By the map's own method, the average of each year's coldest night over 1991-2020, the station is in zone 9b: the coldest night of a typical year reaches 26°F (23 complete years).

Frost dates for every NOAA station in Louisiana · Frost dates by ZIP code

Source: NOAA NCEI 1991-2020 annual normals (frost probabilities), station USC00167932; USDA 2023 Plant Hardiness Zone Map, ZIP listings: PRISM Group, Oregon State University, https://prism.oregonstate.edu, accessed October 8, 2026; the station zone: ACIS daily lows, 1991-2020. 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 Rockefeller Wildlife Refuge?

In a normal year in Rockefeller Wildlife Refuge, 60 days a year reach 90°F, 8 nights fall to 32°F or colder and 123 days bring measurable precipitation.

Days at 90°F or more
60a normal year
Days at 100°F or more
fewer than 1a normal year
Nights at 32°F or colder
8a normal year
Days that stay below freezing
fewer than 1high of 32°F or less
Days with 0.01 inch of precipitation
123a normal year

The highest temperature in this station's record (since 1964) is 105°F, on September 5, 2000; the lowest is 10°F, on December 23, 1989.

The wettest calendar year on that record is 2016, with 92.42 in; the snowiest season is 1972–73, with 3.0 inches.

Source: NOAA NCEI 1991-2020 annual normals, station USC00167932; records: ACIS (NOAA Regional Climate Centers), station USC00167932. Records use complete months only; a month missing more than three days is left out.

How sunny is it at Rockefeller Wildlife Refuge?

Over a year 80% of the sunlight that would reach the ground under clear skies gets through the clouds at Rockefeller Wildlife Refuge, 4.8 kWh per square metre a day. May is the sunniest month (86%) and February the cloudiest (70%).

Rockefeller Wildlife Refuge: sunshine by month (NASA POWER, 2001-2020)
MonthShare of clear-sky sunshineSunshine, kWh/m² a day
January73%3.0
February70%3.5
March78%4.8
April81%5.8
May86%6.6
June84%6.5
July80%6.0
August81%5.7
September82%5.2
October86%4.6
November82%3.5
December72%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 Rockefeller Wildlife Refuge record?

A normal year at Rockefeller Wildlife Refuge brings 1,293 heating degree days, 76% fewer than the median U.S. place (5,373), and 2,986 cooling degree days, 3.3 times the median (908). Two months need 300 or more heating degree days, a monthly mean of about 55°F or colder. For gardens and crops, NOAA counts 7,346 growing degree days a year above 50°F.

Rockefeller Wildlife Refuge: normal heating and cooling degree days by month (base 65°F)
MonthHeatingCooling
January38112
February25218
March13163
April35152
May3350
June0498
July0566
August0567
September0446
October25228
November14965
December31822
Year (annual)1,2932,986

Source: NOAA NCEI 1991-2020 monthly normals, station USC00167932. 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.

Have recent years at Rockefeller Wildlife Refuge been warmer than normal?

Over 45 complete years from 1965 to 2019, the station's annual mean temperature rose at a fitted 2.4°F per century (+0.13°C per decade). A fitted rate summarizes the whole record; single years swing well above and below it.

Source: trend: NOAA GHCN-Monthly v4. A year counts only with all twelve months complete.

How does Rockefeller Wildlife Refuge's climate compare?

Rockefeller Wildlife Refuge is warmer than 56 of the 65 places with their own NOAA record in Louisiana, and wetter than 25. Across the 7,247 U.S. stations with normals, its annual mean of 69.6°F is warmer than 95%.

In the Köppen classification computed from these normals, Rockefeller Wildlife Refuge 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.

Questions about Rockefeller Wildlife Refuge's climate

What is the coldest month at Rockefeller Wildlife Refuge?

January, with a normal high of 62°F and a normal low of 45°F. The warmest is August (91°F by day, 76°F at night).

Does it snow at Rockefeller Wildlife Refuge?

Rarely: NOAA's normal is no measurable snow a year.

What is the rainiest month at Rockefeller Wildlife Refuge?

August, with 7.04 in of precipitation in a normal year; the driest is February with 3.29 in.

What plant hardiness zone is Rockefeller Wildlife Refuge in?

The USDA's 2023 map puts Rockefeller Wildlife Refuge in zone 9b in ZIP code 70643, the nearest ZIP area. By the same method at the station, the coldest night of a typical year reaches 26°F (23 years, 1991-2020): zone 9b.

How late can frost come at Rockefeller Wildlife Refuge?

In half of years the last 32°F night comes after February 2; in one year in ten it comes after March 4. Waiting until March 4 leaves about a one-in-ten chance of a later frost.

Nearby and next

Download these normals (CSV) · JSON · How these figures are made