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Alabaster Hwy 31Photo: AlabasterPIO · CC BY-SA 4.0
Climate in Alabaster · NOAA 1991–2020 normals

Alabaster’s winters are milder and less snowy than most of the U.S.

A typical July afternoon reaches 91°, a January night drops to 33°, and about 1 inches of snow falls in a normal winter.

Less snow than 78% of U.S. towns#147Least snow  of 188 in AL
Milder January nights than 77% of U.S. towns#100Mildest winters  of 192 in AL
All AL rankings →

A year in Alabaster at a glance

Each month’s typical high and low, and what it brings.

Jan55°33°
Feb60°37° Wettest
Mar68°43° Last frost ~Mar 12
Apr75°49°
May82°58° 3 days 90°+
Jun88°66° 12 days 90°+
Jul91°69° 20 days 90°+
Aug90°68° 19 days 90°+
Sep86°63° 9 days 90°+
Oct76°51° 1 day 90°+
Nov now65°40° First frost ~Nov 16
Dec57°36°

What stands out about Alabaster’s climate

Compared with towns across the U.S., with Alabaster’s place in Alabama beside it.

A normal year

What a year in Alabaster feels like

Typical highs and lows by season and by month, from NOAA’s 30-year normals.

Winter
57° / 35°
Snow is rare
Spring
75° / 50°
Last frost around Mar 12
Summer
90° / 68°
63 days reach 90°
Fall
76° / 51°
First frost around Nov 16
Best months to be outsideMarAprMayOctNovHighs of 62–84° and lows of 40° or more
Frost, heat & the growing season

About 248 frost-free days a year

In half of years the last 32° night comes by March 12 and the first by November 16. Frost and day counts come from NOAA’s station at Alabaster Shelby Co Airport, 3 miles from the town’s center, at about the same height.

43
nights at or below 32° in a normal year
47th fewest of 191 in Alabama
Fewer freezing nights than 81% of U.S. towns
0
nights at or below 0°
None in a normal year
63
days that reach 90°
116th most of 191 in Alabama
More 90° days than 81% of U.S. towns
2
days that reach 100°
80th most of 191 in Alabama
More 100° days than 80% of U.S. towns
8bUSDA zone
Plant hardiness zone 8b

The 2023 USDA map puts Alabaster’s center in zone 8b: the coldest night of a typical winter, averaged over 1991–2020, reaches about 15°. Plant labels use the zone; frost dates tell you when to plant.

Freezing nights by month

Average nights at or below 32°

14
JFMAMJJASOND

90° days by month

Average days at 90° or more

20
JFMAMJJASOND
Rain & snow

About 1 inches of snow a winter

Snow, measured at Bessemer 3 Wsw, AL, falls mostly in March. Precipitation (rain plus melted snow) adds up to 57 inches a year; February is the wettest month and October the driest. Rain or snow falls on about 113 days a year.

57"
Rain + melted snow a year
95th wettest of 192 in Alabama
Wetter than 95% of U.S. towns
1.2"
Snow in a normal winter
147th least snowy of 188 in Alabama
Less snow than 78% of U.S. towns
0 days
With 1"+ of snow on the ground
Fewer days with snow on the ground than 91% of U.S. towns

Rain + melted snow by month

Inches of water

5.5"
JFMAMJJASOND

Snowfall by month

Inches of snow

1"
JFMAMJJASOND
Heating & cooling

Heating and cooling a home in Alabaster

52% of the work is heating. Months averaging under 55° run from November through February.

2,378 heating degree daysLess heating than 84% of U.S. towns
2,182 cooling degree daysMore cooling than 86% of U.S. towns

Degree days add up how far each day’s average falls below (heating) or rises above (cooling) 65° over a year. NOAA normals at Alabaster Shelby Co Airport.

Living here

Living with Alabaster’s climate

What the numbers mean for a garden, a free afternoon and a bad-weather day.

The garden window

248 frost-free days in zone 8b. The last frost comes by Mar 12 in half of years, so many gardeners wait a week or two past that to set out tomatoes. The first fall frost comes by Nov 16.

Get outside

Months with highs of 62–84° and lows of 40° or more: March, April, May, October and November. 3.8 miles of trails are waiting.

Parks & trails →
Storms and extremes

Of the yearly building losses FEMA expects in Alabaster from natural hazards, river flooding is the largest share (51%); heat waves, cold waves, winter storms and ice storms together are 11%. Normals are averages; the hazards page covers the extremes.

Natural hazards →
Next door

Alabaster and its neighbors

Every town next door is within a degree of Alabaster in January and July, closer than the 5 km grid can tell apart. Tap a town to see its climate.

Chelsea: January low 33°, July high 91°Hoover: January low 33°, July high 91°Eagle Point: January low 33°, July high 91°Indian Springs Village: January low 33°, July high 91°Bessemer: January low 33°, July high 91°Pelham: January low 33°, July high 90°Calera: January low 33°, July high 91°Brantleyville: January low 33°, July high 91°Helena: January low 33°, July high 91°Alabaster: January low 33°, July high 91°AlabasterPelhamCaleraBrantleyvilleHelena
ColderMilder33° to 33°
Calera32.7° about the same
Alabaster32.9°
Helena32.9° about the same
Pelham33.1° about the same
Brantleyville33.1° about the same

Climates most like Alabaster’s, farther away

TownRatings’ own comparison of NOAA 1991–2020 normals, not a NOAA product: places of 5,000+ at least 150 miles away, one per state, closest on January low, July high, precipitation and snow.

TownJan. lowJuly highPrecip.Snow
Alabaster, AL33°91°57"1.2"
Southaven, MS32°91°56"1.4"
Collierville, TN32°91°56"2.1"
Leland, NC34°90°57"0.9"
West Memphis, AR33°91°55"1.7"

Temperatures and rain come from NOAA’s 5 km grid, so each town gets its own value. Snow and frost-free days come from the nearest weather station, so neighbors often share them.

Then and now

Warmer than it used to be

The last 30 years in Alabaster averaged 0.7° warmer than the 1900s. The biggest change is in February (+1.5°).

+0.7°1991–2020 vs. 1901–2000

A smaller shift than in 94% of U.S. towns.

Winter+1.1°now 46°, was 45°
Spring+0.7°now 62°, was 62°
Summer+0.4°now 79°, was 78°
Fall+0.5°now 63°, was 63°

Change by month

JanFebMarAprMayJunJulAugSepOctNovDec

The two periods overlap (1991–2000 is in both), which makes the gap a little smaller than it would be between separate periods.

Compared with other towns

How Alabaster compares

Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with Alabaster’s place among Alabama’s.

Summer heat91° July high
Hotter July afternoons than 81% of U.S. towns96th hottest of 192 in Alabama
Winter cold33° January low
Milder January nights than 77% of U.S. towns100th mildest of 192 in Alabama
Precipitation57" a year
Wetter than 95% of U.S. towns95th wettest of 192 in Alabama
Snow1.2" a winter
Less snow than 78% of U.S. towns147th least snowy of 188 in Alabama
Hot days63 days at 90°+
More 90° days than 81% of U.S. towns116th most of 191 in Alabama
Freezing nights43 a year
Fewer freezing nights than 81% of U.S. towns47th fewest of 191 in Alabama
Growing season248 frost-free days
A longer frost-free season than 89% of U.S. towns40th longest of 190 in Alabama
Month by month

Alabaster weather by month

Highs, lows and precipitation from NOAA’s grid at Alabaster’s center; snow, wet days and snow on the ground from Bessemer 3 Wsw, AL. 1991–2020 normals.

MonthHighLowRain + meltSnowWet daysSnow on ground30-yr range
January55°33°5.3"0.4"10036° – 51°
February60°37°5.5"0.0"11040° – 56°
March68°43°5.5"0.7"11049° – 64°
April75°49°5.0"0.0"9058° – 67°
May82°58°4.2"0.0"9066° – 74°
June88°66°4.6"0.0"11073° – 81°
July91°69°4.9"0.0"11077° – 83°
August90°68°4.2"0.0"10075° – 84°
September86°63°4.0"0.0"6071° – 80°
October76°51°3.5"0.0"7060° – 68°
November65°40°4.6"0.0"8047° – 58°
December57°36°5.2"0.1"11038° – 56°
Year74°51°56.5"1.2"1130
Year to year

How much a month can swing

A normal is an average. December swings the most: from 1991 to 2020 its average ranged from 38° to 56°. July is the most reliable, staying within 6°.

Coldest to warmest month in 30 yearsNormal
Sources

Where Alabaster’s numbers come from

Normals are 30-year averages, not a forecast. How TownRatings reads climate data →

  • Temperatures and precipitation: NOAA’s gridded 1991–2020 normals for the 5 km cell at Alabaster’s center.
  • Snow: Bessemer 3 Wsw, AL.
  • Frost, freezing nights, 90° and 100° days, heating and cooling: Alabaster Shelby Co Airport, 3 miles from the town’s center, at about the same height; the nearest station that passes our checks for distance, height and agreement with the grid.
  • Growing zone: USDA Plant Hardiness Zone Map, 2023. USDA Agricultural Research Service and PRISM Group, Oregon State University, prism.oregonstate.edu/phzm, accessed 8 Oct 2026.
  • Then and now: NOAA’s gridded normals for 1901–2000 at the same cell.
  • Storms and extremes: FEMA National Risk Index (expected annual losses to buildings).

Common questions about Alabaster’s climate

What is the weather like in Alabaster?

A typical July afternoon reaches 91°, a January night drops to 33°, and about 1 inches of snow falls in a normal winter. Milder January nights than 77% of U.S. towns; hotter July afternoons than 81% of U.S. towns.

How cold does it get in Alabaster in winter?

January nights average 33°. About 43 nights a year reach 32° or below. In the coldest January of the last 30 years the month averaged 36°.

How much snow does Alabaster get?

About 1.2 inches in a normal winter at Bessemer 3 Wsw, AL, most of it in March, with snow on the ground about 0 days a year.

How hot does it get in Alabaster?

July, with a typical high of 91° and a low of 69°. About 63 days a year reach 90° and 2 reach 100° (Alabaster Shelby Co Airport).

When is the first and last frost in Alabaster?

In half of years the last spring frost (32°) comes by March 12 and the first fall frost by November 16, about 248 frost-free days, at Alabaster Shelby Co Airport.

What growing zone is Alabaster in?

Zone 8b on the 2023 USDA Plant Hardiness Zone Map: the coldest night of a typical winter reaches about 15°.

What is the best time of year to visit Alabaster?

By one simple rule (highs of 62–84° and lows of 40° or more), March, April, May, October and November. The rule is ours, not NOAA’s; the month table has the numbers to judge by.

Is Alabaster getting warmer?

Yes: 1991–2020 averaged 0.7° warmer than 1901–2000 on NOAA’s grid. A smaller shift than 94% of U.S. towns.

Neighbors talk weather

Gardens, snow, and the best days of the year in Alabaster.

Town Square →
Ask your neighbors

Source: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000; USDA/PRISM 2023 hardiness zones; FEMA National Risk Index. Today’s forecast: National Weather Service.