Photo: DwayneP. The original uploader was DwayneP at English Wikipedia. · CC BY-SA 3.0Neither notably warm, cold, wet nor dry, Fort Chiswell sits near the middle of U.S. towns
July afternoons average 84°. Temperatures cover 60° across the year, low to high. Summers stay cool: July afternoons here are cooler than in 63% of U.S. towns. The heating season runs November to March: each of those months averages under 50°.
A year in Fort Chiswell at a glance
Each month’s typical high and low, and what it brings.
What stands out about Fort Chiswell’s climate
Compared with towns across the U.S., with Fort Chiswell’s place in Virginia beside it.
What a year in Fort Chiswell feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
About 174 frost-free days a year
In half of years the last 32° night comes by April 25 and the first by October 18. Frost and day counts come from NOAA’s station at Wytheville, VA, 7 miles from the town’s center, 310 ft higher.
The 2023 USDA map puts Fort Chiswell’s center in zone 7a: the coldest night of a typical winter, averaged over 1991–2020, reaches about 2°. 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 18 inches of snow a winter
Snow, measured at Wytheville, VA, falls mostly in January. Precipitation (rain plus melted snow) adds up to 42 inches a year; July is the wettest month and February the driest. Rain or snow falls on about 135 days a year.
Rain + melted snow by month
Inches of water
Snowfall by month
Inches of snow
Heating and cooling a home in Fort Chiswell
89% of the work is heating, so the furnace matters far more than the air conditioner. Months averaging under 55° run from October 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 Wytheville, VA.
Living with Fort Chiswell’s climate
What the numbers mean for a garden, a free afternoon and a bad-weather day.
174 frost-free days in zone 7a. The last frost comes by Apr 25 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 18.
Months with highs of 62–84° and lows of 40° or more: April, May, June, July, August, September and October. 3.4 miles of trails are waiting.
Parks & trails →Cold waves are 41% of the yearly building losses FEMA expects in Fort Chiswell from natural hazards, the largest share. Normals are averages; the hazards page covers the extremes.
Natural hazards →Fort Chiswell and similar climates
TownRatings has no climate map of the towns around Fort Chiswell yet.
Climates most like Fort Chiswell’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 |
|---|---|---|---|---|
| Fort Chiswell, VA | 24° | 84° | 42" | 18" |
| South Farmingdale, NY | 24° | 85° | 44" | 19" |
| Jefferson Hills, PA | 22° | 84° | 41" | 21" |
| Martins Ferry, OH | 22° | 84° | 42" | 15" |
| Wheeling, WV | 22° | 84° | 42" | 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 Fort Chiswell averaged 1.2° warmer than the 1900s. The biggest change is in December (+2.3°).
A smaller shift than in 61% 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 Fort Chiswell compares
Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with Fort Chiswell’s place among Virginia’s.
Fort Chiswell weather by month
Highs, lows and precipitation from NOAA’s grid at Fort Chiswell’s center; snow, wet days and snow on the ground from Wytheville, VA. 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | Snow on ground | 30-yr range |
|---|---|---|---|---|---|---|---|
| January | 44° | 24° | 3.2" | 5.9" | 11 | 5 | 27° – 41° |
| February | 48° | 27° | 2.8" | 4.9" | 11 | 5 | 28° – 45° |
| March | 56° | 33° | 3.7" | 2.9" | 12 | 2 | 37° – 53° |
| April | 66° | 40° | 3.8" | 0.5" | 12 | 0 | 48° – 58° |
| May | 74° | 48° | 4.2" | 0.0" | 14 | 0 | 55° – 67° |
| June | 80° | 56° | 4.1" | 0.0" | 13 | 0 | 64° – 72° |
| July | 84° | 60° | 4.3" | 0.0" | 12 | 0 | 68° – 75° |
| August | 82° | 59° | 3.8" | 0.0" | 11 | 0 | 68° – 76° |
| September | 77° | 53° | 3.4" | 0.0" | 10 | 0 | 61° – 71° |
| October | 67° | 42° | 2.9" | 0.0" | 9 | 0 | 51° – 59° |
| November | 56° | 32° | 2.8" | 0.4" | 9 | 0 | 39° – 49° |
| December | 47° | 27° | 3.1" | 3.8" | 11 | 3 | 27° – 47° |
| Year | 65° | 42° | 41.9" | 18.4" | 135 | 16 |
How much a month can swing
A normal is an average. December swings the most: from 1991 to 2020 its average ranged from 27° to 47°. July is the most reliable, staying within 7°.
Where Fort Chiswell’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 Fort Chiswell’s center.
- Snow: Wytheville, VA.
- Frost, freezing nights, 90° and 100° days, heating and cooling: Wytheville, VA, 7 miles from the town’s center, 310 ft higher; 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 Fort Chiswell’s climate
What is the weather like in Fort Chiswell?
A typical July afternoon reaches 84°, a January night drops to 24°, and about 18 inches of snow falls in a normal winter. Milder January nights than 60% of U.S. towns; cooler July afternoons than 63% of U.S. towns.
How cold does it get in Fort Chiswell in winter?
January nights average 24°. About 131 nights a year reach 32° or below and 1 reach 0° or below. In the coldest January of the last 30 years the month averaged 27°.
How much snow does Fort Chiswell get?
About 18 inches in a normal winter at Wytheville, VA, most of it in January, with snow on the ground about 16 days a year.
How hot does it get in Fort Chiswell?
July, with a typical high of 84° and a low of 60°. About 6 days a year reach 90° (Wytheville, VA).
When is the first and last frost in Fort Chiswell?
In half of years the last spring frost (32°) comes by April 25 and the first fall frost by October 18, about 174 frost-free days, at Wytheville, VA.
What growing zone is Fort Chiswell in?
Zone 7a on the 2023 USDA Plant Hardiness Zone Map: the coldest night of a typical winter reaches about 2°.
What is the best time of year to visit Fort Chiswell?
By one simple rule (highs of 62–84° and lows of 40° or more), April, May, June, July, August, September and October. The rule is ours, not NOAA’s; the month table has the numbers to judge by.
Is Fort Chiswell getting warmer?
Yes: 1991–2020 averaged 1.2° warmer than 1901–2000 on NOAA’s grid. A smaller shift than 61% of U.S. towns.
Neighbors talk weather
Gardens, snow, and the best days of the year in Fort Chiswell.
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.