Northport, Alabama climate: Normal weather by month, frost dates and records
Northport's normal year runs from 35°F January nights to 92°F July afternoons, with 57.3 inches of precipitation a year. (NOAA 1991-2020 normals)
In metric: a yearly mean of 17.9°C, January lows of 2°C, July highs of 33°C, 1,456 mm of precipitation a year.
- NOAA stationNorthport (2 mi S)
- Station IDUSW00073801
- Location33.21°N 87.59°W
- Elevation150 ft (46 m)
- From the center3 miles
- Population31,492
On October 23, the normal high in Northport is 75°F and the normal low 49°F, and the chance of measurable rain or snow is 25%.
Normals describe a typical year at the station, not a forecast. The National Weather Service forecast for Northport.
- Jan 56° 35°
- Feb 61° 38°
- Mar 68° 45°
- Apr 76° 52°
- May 84° 60°
- Jun 90° 68°
- Jul 92° 71°
- Aug 92° 71°
- Sep 87° 65°
- Oct 78° 53°
- Nov 67° 42°
- Dec 58° 37°
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 Northport each month?
July is the warmest month, with normal highs of 92°F; January the coldest, with normal lows of 35°F. The most precipitation falls in February (5.61 in), the least in September (3.55 in).
| Month | High | Low | Mean | Precip. | Wet days | 90°F days | Freezing nights | Daylight |
|---|---|---|---|---|---|---|---|---|
| January | 56°F | 35°F | 45.6°F | 5.13 | 10 | <1 | 16 | 10 h 10 min |
| February | 61°F | 38°F | 49.5°F | 5.61 | 12 | <1 | 10 | 11 h |
| March | 68°F | 45°F | 56.5°F | 5.49 | 11 | <1 | 4 | 12 h |
| April | 76°F | 52°F | 63.7°F | 5.43 | 9 | <1 | <1 | 13 h |
| May | 84°F | 60°F | 71.8°F | 4.04 | 8 | 6 | <1 | 13 h 50 min |
| June | 90°F | 68°F | 78.8°F | 5.31 | 9 | 19 | <1 | 14 h 20 min |
| July | 92°F | 71°F | 81.7°F | 4.88 | 12 | 24 | <1 | 14 h 10 min |
| August | 92°F | 71°F | 81.2°F | 4.23 | 11 | 22 | <1 | 13 h 30 min |
| September | 87°F | 65°F | 76.0°F | 3.55 | 6 | 15 | <1 | 12 h 30 min |
| October | 78°F | 53°F | 65.2°F | 3.60 | 7 | 2 | <1 | 11 h 20 min |
| November | 67°F | 42°F | 54.3°F | 4.80 | 8 | <1 | 6 | 10 h 30 min |
| December | 58°F | 37°F | 47.7°F | 5.24 | 11 | <1 | 12 | 10 h |
| Year (annual) | 76°F | 53°F | 64.3°F | 57.31 | 115 | 89 | 47 |
The same normals in °C and millimetres
| Month | High | Low | Mean | Precip. |
|---|---|---|---|---|
| January | 13°C | 2°C | 7.6°C | 130 mm |
| February | 16°C | 3°C | 9.7°C | 142 mm |
| March | 20°C | 7°C | 13.6°C | 139 mm |
| April | 24°C | 11°C | 17.6°C | 138 mm |
| May | 29°C | 16°C | 22.1°C | 103 mm |
| June | 32°C | 20°C | 26.0°C | 135 mm |
| July | 33°C | 22°C | 27.6°C | 124 mm |
| August | 33°C | 21°C | 27.3°C | 107 mm |
| September | 31°C | 18°C | 24.4°C | 90 mm |
| October | 25°C | 12°C | 18.4°C | 91 mm |
| November | 19°C | 6°C | 12.4°C | 122 mm |
| December | 15°C | 3°C | 8.7°C | 133 mm |
NOAA publishes no 1991-2020 snowfall normal for this station. The nearest record that keeps one, Tuscaloosa Acfd (1 miles away), gets 0 inches of snow in a normal year; elevation and distance can change that.
Source: NOAA NCEI 1991-2020 monthly normals, station USW00073801; 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 Northport?
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 (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 USW00073801.
When is the last frost in Northport?
In Northport, the last spring frost (32°F) comes after March 18 in half of years and after April 4 in one year in ten; the first autumn frost comes before November 10 in half of years and before October 29 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 181 year in 10 after April 4; 9 in 10 after February 26
- First autumn frost, half of years before
- November 101 year in 10 before October 29; 9 in 10 before November 29
NOAA puts the median frost-free season at 239 days, and the season without a hard freeze (28°F) at 268 days.
A hard freeze (28°F) comes after March 3 in half of springs and before November 25 in half of autumns.
The USDA's 2023 Plant Hardiness Zone Map puts Northport in zone 8b across its 2 ZIP code areas (8b in 35473, the largest).
Frost dates for every NOAA station in Alabama · Frost dates by ZIP code
Source: NOAA NCEI 1991-2020 annual normals (frost probabilities), station USW00073801; 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.
What hardiness zone is each Northport ZIP code in?
The USDA's 2023 map gives each ZIP code area one zone. Northport's 2 ZIP code areas are all in zone 8b. Each ZIP's frost dates are in the frost tool.
Source: USDA 2023 Plant Hardiness Zone Map, ZIP listings: PRISM Group, Oregon State University, https://prism.oregonstate.edu, accessed October 8, 2026; ZIP areas in the place: Census Bureau 2020 ZCTA-to-place relationship file. A ZIP area counts when at least a tenth of its land (and 0.5 km²) lies in the place.
How hot and how cold does it get in Northport?
In a normal year in Northport, 89 days a year reach 90°F (5 of them 100°F or more), 47 nights fall to 32°F or colder and 115 days bring measurable precipitation.
- Days at 90°F or more
- 89a normal year
- Days at 100°F or more
- 5a normal year
- Nights at 32°F or colder
- 47a normal year
- Days that stay below freezing
- 1high of 32°F or less
- Days with 0.01 inch of precipitation
- 115a normal year
Source: NOAA NCEI 1991-2020 annual normals, station USW00073801.
How sunny is Northport?
Over a year 77% of the sunlight that would reach the ground under clear skies gets through the clouds in the area around Northport, 4.5 kWh per square metre a day. September is the sunniest month (81%) and February the cloudiest (67%).
| Month | Share of clear-sky sunshine | Sunshine, kWh/m² a day |
|---|---|---|
| January | 71% | 2.6 |
| February | 67% | 3.2 |
| March | 71% | 4.3 |
| April | 77% | 5.5 |
| May | 79% | 6.1 |
| June | 81% | 6.3 |
| July | 80% | 6.1 |
| August | 81% | 5.6 |
| September | 81% | 5.0 |
| October | 79% | 4.0 |
| November | 77% | 3.0 |
| December | 68% | 2.3 |
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 Northport need?
A normal year in Northport brings 2,423 heating degree days, 55% fewer than the median U.S. place (5,373), and 2,212 cooling degree days, 2.4 times the median (908). Four months need 300 or more heating degree days, a monthly mean of about 55°F or colder. For gardens and crops, NOAA counts 5,833 growing degree days a year above 50°F.
| Month | Heating | Cooling |
|---|---|---|
| January | 603 | 1 |
| February | 438 | 5 |
| March | 286 | 21 |
| April | 104 | 65 |
| May | 21 | 234 |
| June | 0 | 415 |
| July | 0 | 518 |
| August | 0 | 502 |
| September | 4 | 333 |
| October | 97 | 103 |
| November | 334 | 13 |
| December | 537 | 3 |
| Year (annual) | 2,423 | 2,212 |
Source: NOAA NCEI 1991-2020 monthly normals, station USW00073801. 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.
Has Northport been warmer than normal lately?
2022 averaged 64.7°F, 0.4°F above the 1991-2020 normal of 64.3°F. 2 of the 2 complete years since 2021 ran warmer than the normal.
| Year | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 64.4°F | +0.1°F | 59.72 |
| 2022 | 64.7°F | +0.4°F | 60.76 |
Source: observed years: ACIS, station USW00073801. A year counts only with all twelve months complete.
How does Northport's climate compare?
Northport is warmer than 52 of the other 79 places with their own NOAA record in Alabama, and wetter than 40. Across the 7,247 U.S. stations with normals, its annual mean of 64.3°F is warmer than 86%.
In the Köppen classification computed from these normals, Northport 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 Northport share this climate record?
3 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.
- Holt, AL3,540 people · 6 mi E
- Cottondale, AL2,850 people · 8 mi E
- Coaling, AL1,997 people · 14 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 Northport's climate
What is the coldest month in Northport?
January, with a normal high of 56°F and a normal low of 35°F. The warmest is July (92°F by day, 71°F at night).
Does it snow in Northport?
Rarely. NOAA publishes no 1991-2020 snowfall normal for Northport's NOAA station; the nearest record that keeps one, Tuscaloosa Acfd (1 miles away), records 0 inches of snow in a normal year.
What is the rainiest month in Northport?
February, with 5.61 in of precipitation in a normal year; the driest is September with 3.55 in.
What plant hardiness zone is Northport in?
The USDA's 2023 map puts Northport in zone 8b across its 2 ZIP code areas (8b in 35473, the largest).
How late can frost come in Northport?
In half of years the last 32°F night comes after March 18; in one year in ten it comes after April 4. Waiting until April 4 leaves about a one-in-ten chance of a later frost.
Nearby and next
- Alabama climateThe statewide normals and every place in the state
- Tuscaloosa, AL1 miles from this station, 64.5°F a year
- Bankhead Lock and Dam, AL21 miles from this station, 63.4°F a year
- Centreville, AL32 miles from this station, 61.9°F a year
- Aliceville, AL33 miles from this station, 63.3°F a year
- Compare two placesMonth by month, side by side
Download these normals (CSV) · JSON · How these figures are made