Mountain Home · Photo: JERRYE & ROY KLOTZ, M.D. · CC BY-SA 4.0Weather without surprises: Chester Gap keeps close to the norm for U.S. towns
Nights in January average 23°. From frosty January to warm July, readings climb 61°. By July afternoons alone, it runs cooler than 65% of U.S. towns. Warm coats and heating bills mark the months from November to March, when means dip under 50°.
A year in Chester Gap at a glance
Each month’s typical high and low, and what it brings.
What stands out about Chester Gap’s climate
Compared with towns across the U.S., with Chester Gap’s place in Virginia beside it.
What a year in Chester Gap feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
About 196 frost-free days a year
In half of years the last 32° night comes by April 13 and the first by October 28. Frost and day counts come from NOAA’s station at Front Royal, VA, 5 miles from the town’s center, 460 ft lower.
The 2023 USDA map puts Chester Gap’s center in zone 7a: the coldest night of a typical winter, averaged over 1991–2020, reaches about 4°. 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 21 inches of snow a winter
Snow, measured at Front Royal, VA, falls mostly in February. Precipitation (rain plus melted snow) adds up to 44 inches a year; September is the wettest month and February the driest. Rain or snow falls on about 120 days a year.
Rain + melted snow by month
Inches of water
Snowfall by month
Inches of snow
Heating and cooling a home in Chester Gap
82% of the work is heating. 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 Front Royal, VA.
Living with Chester Gap’s climate
What the numbers mean for a garden, a free afternoon and a bad-weather day.
196 frost-free days in zone 7a. The last frost comes by Apr 13 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 28.
Months with highs of 62–84° and lows of 40° or more: April, May, June, July, August, September and October.
Parks & trails →Of the yearly building losses FEMA expects in Chester Gap from natural hazards, river flooding is the largest share (69%); heat waves, cold waves, winter storms and ice storms together are 5%. Normals are averages; the hazards page covers the extremes.
Natural hazards →Chester Gap and similar climates
TownRatings has no climate map of the towns around Chester Gap yet.
Climates most like Chester Gap’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 |
|---|---|---|---|---|
| Chester Gap, VA | 23° | 84° | 44" | 21" |
| Wellston, OH | 23° | 85° | 44" | 23" |
| Woodbury, NY | 24° | 84° | 45" | 19" |
| Westbrook, CT | 22° | 83° | 47" | 25" |
| Allison Park, PA | 21° | 84° | 41" | 20" |
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 Chester Gap averaged 1.5° warmer than the 1900s. The biggest change is in December (+2.9°).
A bigger 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 Chester Gap compares
Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with Chester Gap’s place among Virginia’s.
Chester Gap weather by month
Highs, lows and precipitation from NOAA’s grid at Chester Gap’s center; snow, wet days and snow on the ground from Front Royal, VA. 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | Snow on ground | 30-yr range |
|---|---|---|---|---|---|---|---|
| January | 41° | 23° | 3.1" | 4.7" | 10 | 5 | 24° – 38° |
| February | 44° | 25° | 2.3" | 9.4" | 8 | 6 | 25° – 42° |
| March | 52° | 31° | 3.6" | 2.2" | 10 | 2 | 35° – 52° |
| April | 64° | 42° | 3.5" | 0.0" | 11 | 0 | 49° – 57° |
| May | 72° | 51° | 4.5" | 0.0" | 14 | 0 | 57° – 67° |
| June | 80° | 59° | 4.7" | 0.0" | 12 | 0 | 65° – 73° |
| July | 84° | 63° | 4.1" | 0.0" | 11 | 0 | 69° – 76° |
| August | 82° | 62° | 3.8" | 0.0" | 11 | 0 | 68° – 75° |
| September | 76° | 56° | 4.8" | 0.0" | 9 | 0 | 63° – 71° |
| October | 65° | 45° | 3.5" | 0.0" | 8 | 0 | 52° – 61° |
| November | 54° | 35° | 3.1" | 0.0" | 8 | 0 | 39° – 50° |
| December | 45° | 26° | 3.2" | 4.8" | 9 | 5 | 26° – 46° |
| Year | 63° | 43° | 44.2" | 21.1" | 120 | 17 |
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 46°. August is the most reliable, staying within 7°.
Where Chester Gap’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 Chester Gap’s center.
- Snow: Front Royal, VA.
- Frost, freezing nights, 90° and 100° days, heating and cooling: Front Royal, VA, 5 miles from the town’s center, 460 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 Chester Gap’s climate
What is the weather like in Chester Gap?
A typical July afternoon reaches 84°, a January night drops to 23°, and about 21 inches of snow falls in a normal winter. Milder January nights than 56% of U.S. towns; cooler July afternoons than 65% of U.S. towns.
How cold does it get in Chester Gap in winter?
January nights average 23°. About 101 nights a year reach 32° or below. In the coldest January of the last 30 years the month averaged 24°.
How much snow does Chester Gap get?
About 21 inches in a normal winter at Front Royal, VA, most of it in February, with snow on the ground about 17 days a year.
How hot does it get in Chester Gap?
July, with a typical high of 84° and a low of 63°. About 27 days a year reach 90° (Front Royal, VA).
When is the first and last frost in Chester Gap?
In half of years the last spring frost (32°) comes by April 13 and the first fall frost by October 28, about 196 frost-free days, at Front Royal, VA.
What growing zone is Chester Gap in?
Zone 7a on the 2023 USDA Plant Hardiness Zone Map: the coldest night of a typical winter reaches about 4°.
What is the best time of year to visit Chester Gap?
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 Chester Gap getting warmer?
Yes: 1991–2020 averaged 1.5° warmer than 1901–2000 on NOAA’s grid. A bigger shift than 61% of U.S. towns.
Neighbors talk weather
Gardens, snow, and the best days of the year in Chester Gap.
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.