Neither notably warm, cold, wet nor dry, Garrison sits near the middle of U.S. towns
Midwinter brings lows of about 24°. Expect the heaviest rain or snow in May and the lightest in November. Its July heat outdoes that of 64% of U.S. towns. Comfortable outdoor weather, highs of 69–81°, belongs to April, May, September and October.
A year in Garrison at a glance
Each month’s typical high and low, and what it brings.
What stands out about Garrison’s climate
Compared with towns across the U.S., with Garrison’s place in Kentucky beside it.
What a year in Garrison feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
About 182 frost-free days a year
In half of years the last 32° night comes by April 20 and the first by October 22. Frost and day counts come from NOAA’s station at Warnock 2, KY, 12 miles from the town’s center, 370 ft higher.
The 2023 USDA map puts Garrison’s center in zone 6b: 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 21 inches of snow a winter
Snow, measured at Warnock 2, KY, falls mostly in February. Precipitation (rain plus melted snow) adds up to 42 inches a year; May is the wettest month and November the driest. Rain or snow falls on about 156 days a year.
Rain + melted snow by month
Inches of water
Snowfall by month
Inches of snow
Heating and cooling a home in Garrison
83% 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 Warnock 2, KY.
Living with Garrison’s climate
What the numbers mean for a garden, a free afternoon and a bad-weather day.
182 frost-free days in zone 6b. The last frost comes by Apr 20 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 22.
Months with highs of 62–84° and lows of 40° or more: April, May, September and October. 0.0 miles of trails are waiting.
Parks & trails →Of the yearly building losses FEMA expects in Garrison from natural hazards, river flooding is the largest share (85%); heat waves, cold waves, winter storms and ice storms together are 6%. Normals are averages; the hazards page covers the extremes.
Natural hazards →Garrison and similar climates
TownRatings has no climate map of the towns around Garrison yet.
Climates most like Garrison’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 |
|---|---|---|---|---|
| Garrison, KY | 24° | 87° | 42" | 21" |
| Front Royal, VA | 24° | 87° | 41" | 21" |
| Ranson corporation, WV | 23° | 87° | 41" | 23" |
| Darnestown, MD | 25° | 87° | 43" | 21" |
| Middletown, DE | 25° | 87° | 45" | 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 Garrison averaged 1.3° warmer than the 1900s. The biggest change is in December (+2.5°).
A smaller shift than in 56% 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 Garrison compares
Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with Garrison’s place among Kentucky’s.
Garrison weather by month
Highs, lows and precipitation from NOAA’s grid at Garrison’s center; snow, wet days and snow on the ground from Warnock 2, KY. 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | Snow on ground | 30-yr range |
|---|---|---|---|---|---|---|---|
| January | 42° | 24° | 3.1" | 5.5" | 14 | 7 | 25° – 42° |
| February | 47° | 26° | 2.9" | 6.7" | 14 | 8 | 24° – 44° |
| March | 56° | 33° | 4.1" | 4.0" | 14 | 2 | 38° – 56° |
| April | 69° | 41° | 4.0" | 0.6" | 13 | 0 | 50° – 60° |
| May | 77° | 51° | 4.5" | 0.0" | 15 | 0 | 57° – 71° |
| June | 84° | 60° | 4.2" | 0.0" | 13 | 0 | 68° – 76° |
| July | 87° | 64° | 4.4" | 0.0" | 13 | 0 | 71° – 80° |
| August | 86° | 63° | 3.3" | 0.0" | 12 | 0 | 70° – 79° |
| September | 81° | 55° | 3.1" | 0.0" | 10 | 0 | 64° – 73° |
| October | 69° | 43° | 2.9" | 0.0" | 12 | 0 | 53° – 62° |
| November | 57° | 33° | 2.6" | 0.7" | 11 | 1 | 38° – 50° |
| December | 46° | 28° | 3.5" | 3.3" | 15 | 3 | 27° – 47° |
| Year | 67° | 43° | 42.4" | 20.8" | 156 | 21 |
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°. June is the most reliable, staying within 8°.
Where Garrison’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 Garrison’s center.
- Snow: Warnock 2, KY.
- Frost, freezing nights, 90° and 100° days, heating and cooling: Warnock 2, KY, 12 miles from the town’s center, 370 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 Garrison’s climate
What is the weather like in Garrison?
A typical July afternoon reaches 87°, a January night drops to 24°, and about 21 inches of snow falls in a normal winter. Milder January nights than 59% of U.S. towns; hotter July afternoons than 64% of U.S. towns.
How cold does it get in Garrison in winter?
January nights average 24°. About 119 nights a year reach 32° or below and 3 reach 0° or below. In the coldest January of the last 30 years the month averaged 25°.
How much snow does Garrison get?
About 21 inches in a normal winter at Warnock 2, KY, most of it in February, with snow on the ground about 21 days a year.
How hot does it get in Garrison?
July, with a typical high of 87° and a low of 64°. About 21 days a year reach 90° (Warnock 2, KY).
When is the first and last frost in Garrison?
In half of years the last spring frost (32°) comes by April 20 and the first fall frost by October 22, about 182 frost-free days, at Warnock 2, KY.
What growing zone is Garrison in?
Zone 6b 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 Garrison?
By one simple rule (highs of 62–84° and lows of 40° or more), April, May, September and October. The rule is ours, not NOAA’s; the month table has the numbers to judge by.
Is Garrison getting warmer?
Yes: 1991–2020 averaged 1.3° warmer than 1901–2000 on NOAA’s grid. A smaller shift than 56% of U.S. towns.
Neighbors talk weather
Gardens, snow, and the best days of the year in Garrison.
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.