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City Hall, Clay ALPhoto: John Phelan · CC BY-SA 3.0
Climate in Clay · NOAA 1991–2020 normals

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

A typical July afternoon reaches 90°, a January night drops to 32°, and snow is almost unheard of.

Milder January nights than 76% of U.S. towns#139Mildest winters  of 192 in AL
Wetter than 96% of U.S. towns#40 wettest of 192 in AL
All AL rankings →

A year in Clay at a glance

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

Jan53°32°
Feb58°36°
Mar66°42° Wettest
Apr74°49° Last frost ~Apr 41 day 90°+
May81°58° 4 days 90°+
Jun87°65° 13 days 90°+
Jul90°69° 20 days 90°+
Aug89°68° 18 days 90°+
Sep84°62° 8 days 90°+
Oct74°51° 1 day 90°+
Nov now63°40° First frost ~Nov 1
Dec55°35°

What stands out about Clay’s climate

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

A normal year

What a year in Clay feels like

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

Winter
55° / 34°
Snow is rare
Spring
73° / 50°
Last frost around Apr 4
Summer
88° / 67°
64 days reach 90°
Fall
74° / 51°
First frost around Nov 1
Best months to be outsideMarAprMayOctNovHighs of 62–84° and lows of 40° or more
Frost, heat & the growing season

About 212 frost-free days a year

In half of years the last 32° night comes by April 4 and the first by November 1. Frost and day counts come from NOAA’s station at Pinson, AL, 4 miles from the town’s center, 350 ft lower.

72
nights at or below 32° in a normal year
164th fewest of 191 in Alabama
Fewer freezing nights than 72% of U.S. towns
<1
nights at or below 0°
165th fewest of 191 in Alabama
Fewer nights at or below 0° than 69% of U.S. towns
64
days that reach 90°
102nd most of 191 in Alabama
More 90° days than 81% of U.S. towns
4
days that reach 100°
26th most of 191 in Alabama
More 100° days than 85% of U.S. towns
8aUSDA zone
Plant hardiness zone 8a

The 2023 USDA map puts Clay’s center in zone 8a: the coldest night of a typical winter, averaged over 1991–2020, reaches about 13°. Plant labels use the zone; frost dates tell you when to plant.

Freezing nights by month

Average nights at or below 32°

19
JFMAMJJASOND

90° days by month

Average days at 90° or more

20
JFMAMJJASOND
Rain & snow

About 58 inches of rain a year

March is the wettest month and October the driest. Rain falls on about 118 days a year. Snow is rare: about 0.0" in a normal year at Palmerdale, AL, so most winters see none.

58"
Rain + melted snow a year
40th wettest of 192 in Alabama
Wetter than 96% of U.S. towns
0.0"
Snow in a normal winter
Less snow than 93% of U.S. towns

Rain + melted snow by month

Inches of water

5.7"
JFMAMJJASOND
Heating & cooling

Heating and cooling a home in Clay

63% of the work is heating. Months averaging under 55° run from November through March.

2,998 heating degree daysLess heating than 78% of U.S. towns
1,758 cooling degree daysMore cooling than 80% 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 Pinson, AL.

Living here

Living with Clay’s climate

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

The garden window

212 frost-free days in zone 8a. The last frost comes by Apr 4 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 1.

Get outside

Months with highs of 62–84° and lows of 40° or more: March, April, May, October and November. 0.7 miles of trails are waiting.

Parks & trails →
Storms and extremes

Of the yearly building losses FEMA expects in Clay from natural hazards, river flooding is the largest share (42%); heat waves, cold waves, winter storms and ice storms together are 23%. Normals are averages; the hazards page covers the extremes.

Natural hazards →
Next door

Clay and its neighbors

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

Birmingham: January low 33°, July high 91°Irondale: January low 33°, July high 91°Argo: January low 32°, July high 90°Moody: January low 32°, July high 90°Margaret: January low 32°, July high 90°Trussville: January low 32°, July high 90°Grayson Valley: January low 33°, July high 90°Pinson: January low 32°, July high 90°Center Point: January low 33°, July high 90°Clay: January low 32°, July high 90°ClayTrussvilleGrayson ValleyPinsonCenter Point
ColderMilder32° to 33°
Trussville32.3° about the same
Clay32.4°
Pinson32.4° about the same
Grayson Valley32.5° about the same
Center Point32.6° about the same

Climates most like Clay’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
Clay, AL32°90°58"0.0"
Northchase, NC34°90°59"0.2"
Philadelphia, MS34°91°57"0.2"
Toccoa, GA33°89°57"1.4"
Henderson, TN29°90°56"1.0"

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 Clay averaged 1.0° warmer than the 1900s. The biggest change is in February (+1.7°).

+1.0°1991–2020 vs. 1901–2000

A smaller shift than in 78% of U.S. towns.

Winter+1.3°now 45°, was 44°
Spring+1.1°now 61°, was 60°
Summer+0.6°now 78°, was 77°
Fall+0.9°now 63°, was 62°

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 Clay compares

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

Summer heat90° July high
Hotter July afternoons than 75% of U.S. towns172nd hottest of 192 in Alabama
Winter cold32° January low
Milder January nights than 76% of U.S. towns139th mildest of 192 in Alabama
Precipitation58" a year
Wetter than 96% of U.S. towns40th wettest of 192 in Alabama
Snow0.0" a winter
Less snow than 93% of U.S. townsNot ranked: under an inch a year
Hot days64 days at 90°+
More 90° days than 81% of U.S. towns102nd most of 191 in Alabama
Freezing nights72 a year
Fewer freezing nights than 72% of U.S. towns164th fewest of 191 in Alabama
Growing season212 frost-free days
A longer frost-free season than 75% of U.S. towns155th longest of 190 in Alabama
Month by month

Clay weather by month

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

MonthHighLowRain + meltSnowWet daysSnow on ground30-yr range
January53°32°5.4"0.0"10034° – 50°
February58°36°5.5"0.0"11038° – 55°
March66°42°5.7"0.0"11048° – 63°
April74°49°5.3"0.0"9057° – 67°
May81°58°4.6"0.0"10064° – 73°
June87°65°5.0"0.0"11072° – 80°
July90°69°5.1"0.0"12076° – 82°
August89°68°4.4"0.0"10074° – 85°
September84°62°4.0"0.0"7070° – 79°
October74°51°3.5"0.0"7059° – 68°
November63°40°4.5"0.0"9046° – 58°
December55°35°5.4"0.0"11036° – 55°
Year73°51°58.3"0.0"1180
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 36° to 55°. July is the most reliable, staying within 7°.

Coldest to warmest month in 30 yearsNormal
Sources

Where Clay’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 Clay’s center.
  • Snow: Palmerdale, AL.
  • Frost, freezing nights, 90° and 100° days, heating and cooling: Pinson, AL, 4 miles from the town’s center, 350 ft lower; 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 Clay’s climate

What is the weather like in Clay?

A typical July afternoon reaches 90°, a January night drops to 32°, and snow is almost unheard of. Milder January nights than 76% of U.S. towns; hotter July afternoons than 75% of U.S. towns.

How cold does it get in Clay in winter?

January nights average 32°. About 72 nights a year reach 32° or below. In the coldest January of the last 30 years the month averaged 34°.

How much snow does Clay get?

About 0.0 inches in a normal winter at Palmerdale, AL, so most winters see none.

How hot does it get in Clay?

July, with a typical high of 90° and a low of 69°. About 64 days a year reach 90° and 4 reach 100° (Pinson, AL).

When is the first and last frost in Clay?

In half of years the last spring frost (32°) comes by April 4 and the first fall frost by November 1, about 212 frost-free days, at Pinson, AL.

What growing zone is Clay in?

Zone 8a on the 2023 USDA Plant Hardiness Zone Map: the coldest night of a typical winter reaches about 13°.

What is the best time of year to visit Clay?

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 Clay getting warmer?

Yes: 1991–2020 averaged 1.0° warmer than 1901–2000 on NOAA’s grid. A smaller shift than 78% of U.S. towns.

Neighbors talk weather

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

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.