Beaufort Wastewater Treatment Plant, South Carolina climate: Climate normals at a NOAA weather station
Beaufort Wastewater Treatment Plant's normal year runs from 41°F January nights to 91°F July afternoons. (NOAA 1991-2020 normals)
In metric: a yearly mean of 19.9°C, January lows of 5°C, July highs of 33°C.
- NOAA stationBeaufort Wastewater Treatment Plant
- Station IDUSC00380559
- Location32.40°N 80.70°W
- Elevation25 ft (8 m)
On October 23, the normal high in Beaufort Wastewater Treatment Plant is 77°F and the normal low 58°F.
Normals describe a typical year at the station, not a forecast. The National Weather Service forecast for Beaufort Wastewater Treatment Plant.
- Jan 61° 41°
- Feb 65° 44°
- Mar 72° 49°
- Apr 77° 56°
- May 84° 66°
- Jun 89° 72°
- Jul 91° 75°
- Aug 90° 75°
- Sep 86° 70°
- Oct 79° 61°
- Nov 70° 51°
- Dec 62° 44°
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 Beaufort Wastewater Treatment Plant each month?
July is the warmest month, with normal highs of 91°F; January the coldest, with normal lows of 41°F.
| Month | High | Low | Mean | Wet days | 90°F days | Freezing nights | Daylight |
|---|---|---|---|---|---|---|---|
| January | 61°F | 41°F | 51.0°F | – | <1 | 6 | 10 h 10 min |
| February | 65°F | 44°F | 54.1°F | – | <1 | 2 | 11 h |
| March | 72°F | 49°F | 60.4°F | – | <1 | 1 | 12 h |
| April | 77°F | 56°F | 66.9°F | – | <1 | <1 | 13 h |
| May | 84°F | 66°F | 74.6°F | – | 4 | <1 | 13 h 50 min |
| June | 89°F | 72°F | 80.3°F | – | 10 | <1 | 14 h 20 min |
| July | 91°F | 75°F | 83.0°F | – | 22 | <1 | 14 h 10 min |
| August | 90°F | 75°F | 82.4°F | – | 17 | <1 | 13 h 20 min |
| September | 86°F | 70°F | 77.8°F | – | 7 | <1 | 12 h 20 min |
| October | 79°F | 61°F | 69.8°F | – | <1 | <1 | 11 h 30 min |
| November | 70°F | 51°F | 60.4°F | – | <1 | <1 | 10 h 30 min |
| December | 62°F | 44°F | 53.0°F | – | <1 | 4 | 10 h |
| Year (annual) | 77°F | 59°F | 67.8°F | – | 58 | 13 |
The same normals in °C and millimetres
| Month | High | Low | Mean |
|---|---|---|---|
| January | 16°C | 5°C | 10.6°C |
| February | 18°C | 7°C | 12.3°C |
| March | 22°C | 10°C | 15.8°C |
| April | 25°C | 14°C | 19.4°C |
| May | 29°C | 19°C | 23.7°C |
| June | 32°C | 22°C | 26.8°C |
| July | 33°C | 24°C | 28.3°C |
| August | 32°C | 24°C | 28.0°C |
| September | 30°C | 21°C | 25.4°C |
| October | 26°C | 16°C | 21.0°C |
| November | 21°C | 10°C | 15.8°C |
| December | 17°C | 7°C | 11.7°C |
Source: NOAA NCEI 1991-2020 monthly normals, station USC00380559; 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 Beaufort Wastewater Treatment Plant?
Normal highs sit between 65°F and 85°F in March, April, May, October and November.
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 USC00380559.
When is the last frost at Beaufort Wastewater Treatment Plant?
In Beaufort Wastewater Treatment Plant, the last spring frost (32°F) comes after March 3 in half of years and after March 20 in one year in ten; the first autumn frost comes before December 9 in half of years and before November 21 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
- March 31 year in 10 after March 20; 9 in 10 after February 2
- First autumn frost, half of years before
- December 91 year in 10 before November 21; 9 in 10 before January 4
NOAA puts the median frost-free season at 282 days, and the season without a hard freeze (28°F) at 312 days.
A hard freeze (28°F) comes after February 9 in half of springs and before December 28 in half of autumns.
The USDA's 2023 Plant Hardiness Zone Map puts Beaufort Wastewater Treatment Plant in zone 9a in ZIP code 29935, the nearest ZIP area.
Frost dates for every NOAA station in South Carolina · Frost dates by ZIP code
Source: NOAA NCEI 1991-2020 annual normals (frost probabilities), station USC00380559; 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 Beaufort Wastewater Treatment Plant?
In a normal year in Beaufort Wastewater Treatment Plant, 58 days a year reach 90°F (1 of them 100°F or more) and 13 nights fall to 32°F or colder.
- Days at 90°F or more
- 58a normal year
- Days at 100°F or more
- 1a normal year
- Nights at 32°F or colder
- 13a normal year
- Days that stay below freezing
- fewer than 1high of 32°F or less
The highest temperature in this station's record (since 1893) is 105°F, on June 26, 1952; the lowest is 5°F, on January 21, 1985.
The wettest calendar year on that record is 1964, with 81.55 in; the snowiest season is 1972–73, with 6.0 inches.
Source: NOAA NCEI 1991-2020 annual normals, station USC00380559; records: ACIS (NOAA Regional Climate Centers), station USC00380559. Records use complete months only; a month missing more than three days is left out.
How sunny is it at Beaufort Wastewater Treatment Plant?
Over a year 81% of the sunlight that would reach the ground under clear skies gets through the clouds at Beaufort Wastewater Treatment Plant, 4.8 kWh per square metre a day. July is the sunniest month (84%) and February the cloudiest (75%).
| Month | Share of clear-sky sunshine | Sunshine, kWh/m² a day |
|---|---|---|
| January | 77% | 3.0 |
| February | 75% | 3.6 |
| March | 78% | 4.8 |
| April | 84% | 6.1 |
| May | 84% | 6.5 |
| June | 83% | 6.5 |
| July | 84% | 6.4 |
| August | 82% | 5.7 |
| September | 80% | 4.9 |
| October | 82% | 4.2 |
| November | 81% | 3.3 |
| December | 76% | 2.6 |
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 Beaufort Wastewater Treatment Plant record?
A normal year at Beaufort Wastewater Treatment Plant brings 1,584 heating degree days, 71% fewer than the median U.S. place (5,373), and 2,633 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 6,719 growing degree days a year above 50°F.
| Month | Heating | Cooling |
|---|---|---|
| January | 437 | 2 |
| February | 310 | 5 |
| March | 180 | 39 |
| April | 54 | 112 |
| May | 6 | 305 |
| June | 0 | 458 |
| July | 0 | 558 |
| August | 0 | 539 |
| September | 1 | 383 |
| October | 30 | 178 |
| November | 187 | 48 |
| December | 378 | 7 |
| Year (annual) | 1,584 | 2,633 |
Source: NOAA NCEI 1991-2020 monthly normals, station USC00380559. 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 Beaufort Wastewater Treatment Plant's climate compare?
Beaufort Wastewater Treatment Plant is warmer than 73 of the 73 places with their own NOAA record in South Carolina. Across the 7,247 U.S. stations with normals, its annual mean of 67.8°F is warmer than 93%.
Source: NOAA NCEI 1991-2020 normals for every station PlainClimate covers.
Which places near Beaufort Wastewater Treatment Plant share this climate record?
6 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.
- Hilton Head Island, SC38,158 people · 14 mi S
- Port Royal, SC16,507 people · 3 mi S
- Burton, SC7,132 people · 3 mi NW
- Tybee Island, GA3,139 people · 28 mi S
- Shell Point, SC2,005 people · 4 mi W
- Fripp Island, SC753 people · 13 mi SE
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 Beaufort Wastewater Treatment Plant's climate
What is the coldest month at Beaufort Wastewater Treatment Plant?
January, with a normal high of 61°F and a normal low of 41°F. The warmest is July (91°F by day, 75°F at night).
What plant hardiness zone is Beaufort Wastewater Treatment Plant in?
The USDA's 2023 map puts Beaufort Wastewater Treatment Plant in zone 9a in ZIP code 29935, the nearest ZIP area.
How late can frost come at Beaufort Wastewater Treatment Plant?
In half of years the last 32°F night comes after March 3; in one year in ten it comes after March 20. Waiting until March 20 leaves about a one-in-ten chance of a later frost.
Nearby and next
- South Carolina climateThe statewide normals and every place in the state
- Beaufort, SC6 miles from this station, 67.2°F a year
- Yemassee, SC23 miles from this station, 64.3°F a year
- Edisto Beach, SC25 miles from this station, 65.5°F a year
- Edisto Island Middleton Plantation, SC26 miles from this station, 66.7°F a year
- Compare two placesMonth by month, side by side
Download these normals (CSV) · JSON · How these figures are made