Photo: CZmarlin — This image is licensed under the Creative Commons license assuming that proper attribution (Christopher Ziemnowicz) is provided. If you use this image anywhere other than Wikipedia please leave a note at Wikipedia [1]. · CC BY 3.0Alderson’s winters are milder and less snowy than most of the U.S.
A typical July afternoon reaches 85°, a January night drops to 24°, and about 12 inches of snow falls in a normal winter.
A year in Alderson at a glance
Each month’s typical high and low, and what it brings.
What stands out about Alderson’s climate
Compared with towns across the U.S., with Alderson’s place in West Virginia beside it.
What a year in Alderson feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
About 173 frost-free days a year
In half of years the last 32° night comes by April 26 and the first by October 17. Frost and day counts come from NOAA’s station at Alderson, WV, 0.9 miles from the town’s center, at about the same height.
The 2023 USDA map puts Alderson’s center in zone 7a: the coldest night of a typical winter, averaged over 1991–2020, reaches about 1°. 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 12 inches of snow a winter
Snow, measured at Alderson, WV, falls mostly in February. Precipitation (rain plus melted snow) adds up to 42 inches a year; May is the wettest month and October the driest. Rain or snow falls on about 124 days a year.
Rain + melted snow by month
Inches of water
Snowfall by month
Inches of snow
Heating and cooling a home in Alderson
87% of the work is heating, so the furnace matters far more than the air conditioner. Months averaging under 55° run from November through April.
Degree days add up how far each day’s average falls below (heating) or rises above (cooling) 65° over a year. NOAA normals at Alderson, WV.
Living with Alderson’s climate
What the numbers mean for a garden, a free afternoon and a bad-weather day.
173 frost-free days in zone 7a. The last frost comes by Apr 26 in half of years, so many gardeners wait a week or two past that to set out tomatoes. The first fall frost comes by Oct 17.
Months with highs of 62–84° and lows of 40° or more: April, May, June, August, September and October. 0.0 miles of trails are waiting.
Parks & trails →Of the yearly building losses FEMA expects in Alderson from natural hazards, river flooding is the largest share (72%); heat waves, cold waves, winter storms and ice storms together are 19%. Normals are averages; the hazards page covers the extremes.
Natural hazards →Alderson and similar climates
TownRatings has no climate map of the towns around Alderson yet.
Climates most like Alderson’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 |
|---|---|---|---|---|
| Alderson, WV | 24° | 85° | 42" | 12" |
| Chillicothe, OH | 23° | 86° | 41" | 12" |
| Shelbyville, IN | 21° | 85° | 44" | 15" |
| South Farmingdale, NY | 24° | 85° | 44" | 19" |
| Mattoon, IL | 20° | 86° | 41" | 15" |
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 Alderson averaged 1.0° warmer than the 1900s. The biggest change is in December (+2.2°).
A smaller shift than in 76% of 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 Alderson compares
Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with Alderson’s place among West Virginia’s.
Alderson weather by month
Highs, lows and precipitation from NOAA’s grid at Alderson’s center; snow, wet days and snow on the ground from Alderson, WV. 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | Snow on ground | 30-yr range |
|---|---|---|---|---|---|---|---|
| January | 43° | 24° | 3.2" | 3.6" | 11 | 3 | 25° – 40° |
| February | 47° | 26° | 2.9" | 4.2" | 10 | 4 | 25° – 44° |
| March | 56° | 33° | 3.8" | 2.0" | 12 | 1 | 37° – 54° |
| April | 67° | 41° | 3.8" | 0.1" | 11 | 0 | 48° – 59° |
| May | 75° | 49° | 4.6" | 0.0" | 12 | 0 | 56° – 69° |
| June | 82° | 58° | 4.1" | 0.0" | 11 | 0 | 66° – 73° |
| July | 85° | 62° | 4.3" | 0.0" | 11 | 0 | 69° – 77° |
| August | 84° | 61° | 3.5" | 0.0" | 10 | 0 | 69° – 77° |
| September | 78° | 54° | 3.3" | 0.0" | 8 | 0 | 62° – 72° |
| October | 67° | 43° | 2.6" | 0.1" | 8 | 0 | 52° – 61° |
| November | 56° | 33° | 2.7" | 0.2" | 8 | 0 | 38° – 50° |
| December | 46° | 27° | 3.3" | 2.0" | 11 | 2 | 26° – 48° |
| Year | 65° | 42° | 41.9" | 12.2" | 124 | 11 |
How much a month can swing
A normal is an average. December swings the most: from 1991 to 2020 its average ranged from 26° to 48°. August is the most reliable, staying within 8°.
Where Alderson’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 Alderson’s center.
- Snow: Alderson, WV (NOAA station in town).
- Frost, freezing nights, 90° and 100° days, heating and cooling: Alderson, WV, 0.9 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 Alderson’s climate
What is the weather like in Alderson?
A typical July afternoon reaches 85°, a January night drops to 24°, and about 12 inches of snow falls in a normal winter. Milder January nights than 59% of U.S. towns; cooler July afternoons than 51% of U.S. towns.
How cold does it get in Alderson in winter?
January nights average 24°. About 127 nights a year reach 32° or below and 2 reach 0° or below. In the coldest January of the last 30 years the month averaged 25°.
How much snow does Alderson get?
About 12 inches in a normal winter at Alderson, WV, most of it in February, with snow on the ground about 11 days a year.
How hot does it get in Alderson?
July, with a typical high of 85° and a low of 62°. About 20 days a year reach 90° (Alderson, WV).
When is the first and last frost in Alderson?
In half of years the last spring frost (32°) comes by April 26 and the first fall frost by October 17, about 173 frost-free days, at Alderson, WV.
What growing zone is Alderson in?
Zone 7a on the 2023 USDA Plant Hardiness Zone Map: the coldest night of a typical winter reaches about 1°.
What is the best time of year to visit Alderson?
By one simple rule (highs of 62–84° and lows of 40° or more), April, May, June, August, September and October. The rule is ours, not NOAA’s; the month table has the numbers to judge by.
Is Alderson getting warmer?
Yes: 1991–2020 averaged 1.0° warmer than 1901–2000 on NOAA’s grid. A smaller shift than 76% of U.S. towns.
Neighbors talk weather
Gardens, snow, and the best days of the year in Alderson.
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.