Photo: Rivers Langley; SaveRivers · CC BY-SA 3.0Precipitation in Clayton tops that of 93% of U.S. towns: 55 inches a year
The warmest part of a July day comes in at 91° on average. By January nights alone, it runs milder than 84% of U.S. towns. Decade by decade the climate has edged up, 0.4° above 1901–2000. Picnics, hikes and garden evenings come into their own from February to May and October to November, with highs of 63–84°.
A year in Clayton at a glance
Each month’s typical high and low, and what it brings.
What stands out about Clayton’s climate
Compared with towns across the U.S., with Clayton’s place in Alabama beside it.
What a year in Clayton feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
About 254 frost-free days a year
In half of years the last 32° night comes by March 11 and the first by November 19. Frost and day counts come from NOAA’s station at Clayton, AL, 1.0 miles from the town’s center, at about the same height.
The 2023 USDA map puts Clayton’s center in zone 8b: the coldest night of a typical winter, averaged over 1991–2020, reaches about 17°. Plant labels use the zone; frost dates tell you when to plant.
Freezing nights by month
Average nights at or below 32°
90° days by month
Average days at 90° or more
About 55 inches of rain a year
July is the wettest month and October the driest. Rain falls on about 88 days a year. Snow is rare: about 0.5" in a normal year at Clayton, AL, so most winters see none.
Rain + melted snow by month
Inches of water
Heating and cooling a home in Clayton
48% of the work is heating, so air conditioning is the bigger bill. Months averaging under 55° run from December through February.
Degree days add up how far each day’s average falls below (heating) or rises above (cooling) 65° over a year. NOAA normals at Clayton, AL.
Living with Clayton’s climate
What the numbers mean for a garden, a free afternoon and a bad-weather day.
254 frost-free days in zone 8b. The last frost comes by Mar 11 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 19.
Months with highs of 62–84° and lows of 40° or more: February, March, April, May, October and November. 1.6 miles of trails are waiting.
Parks & trails →Of the yearly building losses FEMA expects in Clayton from natural hazards, river flooding is the largest share (36%); heat waves, cold waves, winter storms and ice storms together are 8%. Normals are averages; the hazards page covers the extremes.
Natural hazards →Clayton and similar climates
TownRatings has no climate map of the towns around Clayton yet.
Climates most like Clayton’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.
| Town | Jan. low | July high | Precip. | Snow |
|---|---|---|---|---|
| Clayton, AL | 37° | 91° | 55" | 0.5" |
| Indianola, MS | 35° | 92° | 56" | 0.5" |
| Monticello, AR | 34° | 92° | 55" | 0.7" |
| Tallulah, LA | 37° | 92° | 57" | 0.3" |
| Center, TX | 37° | 93° | 54" | 0.6" |
Temperatures and precipitation come from NOAA’s 5 km grid; snow and day counts from the stations named on this page.
Warmer than it used to be
The last 30 years in Clayton averaged 0.4° warmer than the 1900s. The biggest change is in February (+1.2°).
A smaller shift than in all but 140 U.S. towns.
Change by month
The two periods overlap (1991–2000 is in both), which makes the gap a little smaller than it would be between separate periods.
How Clayton compares
Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with Clayton’s place among Alabama’s.
Clayton weather by month
Highs, lows and precipitation from NOAA’s grid at Clayton’s center; snow, wet days and snow on the ground from Clayton, AL. 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | Snow on ground | 30-yr range |
|---|---|---|---|---|---|---|---|
| January | 59° | 37° | 5.0" | 0.2" | 8 | 0 | 39° – 55° |
| February | 63° | 40° | 4.6" | 0.0" | 8 | 0 | 42° – 61° |
| March | 70° | 46° | 5.1" | 0.0" | 7 | 0 | 52° – 66° |
| April | 77° | 52° | 4.5" | 0.0" | 7 | 0 | 60° – 69° |
| May | 84° | 60° | 3.5" | 0.0" | 6 | 0 | 68° – 76° |
| June | 89° | 68° | 5.0" | 0.0" | 10 | 0 | 75° – 83° |
| July | 91° | 70° | 5.6" | 0.0" | 10 | 0 | 77° – 83° |
| August | 90° | 70° | 4.7" | 0.0" | 9 | 0 | 77° – 84° |
| September | 86° | 65° | 4.0" | 0.0" | 6 | 0 | 72° – 81° |
| October | 78° | 54° | 3.2" | 0.0" | 4 | 0 | 62° – 70° |
| November | 68° | 44° | 4.1" | 0.0" | 5 | 0 | 49° – 61° |
| December | 60° | 39° | 5.3" | 0.3" | 8 | 0 | 42° – 60° |
| Year | 76° | 54° | 54.5" | 0.5" | 88 | 0 |
How much a month can swing
A normal is an average. February swings the most: from 1991 to 2020 its average ranged from 42° to 61°. July is the most reliable, staying within 6°.
Where Clayton’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 Clayton’s center.
- Snow: Clayton, AL (NOAA station in town).
- Frost, freezing nights, 90° and 100° days, heating and cooling: Clayton, AL, 1.0 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 Clayton’s climate
What is the weather like in Clayton?
A typical July afternoon reaches 91°, a January night drops to 37°, and snow is almost unheard of. Milder January nights than 84% of U.S. towns; hotter July afternoons than 83% of U.S. towns.
How cold does it get in Clayton in winter?
January nights average 37°. About 44 nights a year reach 32° or below. In the coldest January of the last 30 years the month averaged 39°.
How much snow does Clayton get?
About 0.5 inches in a normal winter at Clayton, AL, so most winters see none.
How hot does it get in Clayton?
July, with a typical high of 91° and a low of 70°. About 73 days a year reach 90° and 3 reach 100° (Clayton, AL).
When is the first and last frost in Clayton?
In half of years the last spring frost (32°) comes by March 11 and the first fall frost by November 19, about 254 frost-free days, at Clayton, AL.
What growing zone is Clayton in?
Zone 8b on the 2023 USDA Plant Hardiness Zone Map: the coldest night of a typical winter reaches about 17°.
What is the best time of year to visit Clayton?
By one simple rule (highs of 62–84° and lows of 40° or more), February, March, April, May, October and November. The rule is ours, not NOAA’s; the month table has the numbers to judge by.
Is Clayton getting warmer?
Yes: 1991–2020 averaged 0.4° warmer than 1901–2000 on NOAA’s grid. A smaller shift than all but 140 U.S. towns.
Neighbors talk weather
Gardens, snow, and the best days of the year in Clayton.
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.