Photo: GearedBull · CC BY-SA 3.0Johnson gets about 139 inches of snow a winter, more than all but 83 U.S. towns
Expect July afternoons of about 78°. Summers stay cool: July afternoons here are cooler than in 96% of U.S. towns. Compared with 1901–2000, the average now sits 1.8° higher. The frost-free window for a garden runs roughly May 9 to October 1.
A year in Johnson at a glance
Each month’s typical high and low, and what it brings.
What stands out about Johnson’s climate
Compared with towns across the U.S., with Johnson’s place in Vermont beside it.
What a year in Johnson feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
About 142 frost-free days a year
In half of years the last 32° night comes by May 9 and the first by October 1. Frost and day counts come from NOAA’s station at Johnson 2 N, VT, 1.4 miles from the town’s center, 330 ft higher.
The 2023 USDA map puts Johnson’s center in zone 4b: the coldest night of a typical winter, averaged over 1991–2020, reaches about −21°. Plant labels use the zone; frost dates tell you when to plant.
Freezing nights by month
Average nights at or below 32°
About 139 inches of snow a winter
Snow, measured at Jeffersonville, VT, falls mostly in January, February and December. Precipitation (rain plus melted snow) adds up to 45 inches a year; June is the wettest month and February the driest. Rain or snow falls on about 185 days a year.
Rain + melted snow by month
Inches of water
Snowfall by month
Inches of snow
Heating and cooling a home in Johnson
98% of the work is heating, so the furnace matters far more than the air conditioner. Months averaging under 55° run from October through May.
Degree days add up how far each day’s average falls below (heating) or rises above (cooling) 65° over a year. NOAA normals at Johnson 2 N, VT.
Living with Johnson’s climate
What the numbers mean for a garden, a free afternoon and a bad-weather day.
142 frost-free days in zone 4b. The last frost comes by May 9 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 1.
Months with highs of 62–84° and lows of 40° or more: May, June, July, August and September. 1.2 miles of trails are waiting.
Parks & trails →Of the yearly building losses FEMA expects in Johnson from natural hazards, river flooding is the largest share (76%); heat waves, cold waves, winter storms and ice storms together are 12%. Normals are averages; the hazards page covers the extremes.
Natural hazards →Johnson and similar climates
TownRatings has no climate map of the towns around Johnson yet.
Climates most like Johnson’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 |
|---|---|---|---|---|
| Johnson, VT | 7° | 78° | 45" | 139" |
| Fort Drum, NY | 9° | 80° | 42" | 116" |
| Caribou, ME | 2° | 77° | 41" | 118" |
| Sault Ste. Marie, MI | 8° | 76° | 37" | 120" |
| Corry, PA | 16° | 80° | 47" | 114" |
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 Johnson averaged 1.8° warmer than the 1900s. The biggest change is in December (+4.1°).
A bigger shift than in 77% 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 Johnson compares
Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with Johnson’s place among Vermont’s.
Johnson weather by month
Highs, lows and precipitation from NOAA’s grid at Johnson’s center; snow, wet days and snow on the ground from Jeffersonville, VT. 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | Snow on ground | 30-yr range |
|---|---|---|---|---|---|---|---|
| January | 26° | 7° | 2.9" | 30.1" | 20 | 30 | 5° – 25° |
| February | 29° | 8° | 2.6" | 31.0" | 17 | 29 | 5° – 26° |
| March | 38° | 18° | 3.0" | 25.6" | 15 | 28 | 19° – 39° |
| April | 52° | 31° | 3.5" | 7.7" | 15 | 11 | 36° – 47° |
| May | 66° | 42° | 3.8" | 0.6" | 13 | 0 | 48° – 60° |
| June | 74° | 52° | 4.7" | 0.0" | 15 | 0 | 60° – 68° |
| July | 78° | 57° | 4.6" | 0.0" | 13 | 0 | 62° – 72° |
| August | 77° | 55° | 4.4" | 0.0" | 13 | 0 | 63° – 69° |
| September | 70° | 48° | 3.7" | 0.0" | 11 | 0 | 54° – 64° |
| October | 56° | 37° | 4.5" | 1.9" | 15 | 1 | 41° – 54° |
| November | 43° | 27° | 3.4" | 11.2" | 16 | 9 | 29° – 42° |
| December | 32° | 16° | 3.5" | 31.2" | 21 | 26 | 16° – 36° |
| Year | 53° | 33° | 44.6" | 139.3" | 185 | 133 |
How much a month can swing
A normal is an average. February swings the most: from 1991 to 2020 its average ranged from 5° to 26°. August is the most reliable, staying within 7°.
Where Johnson’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 Johnson’s center.
- Snow: Jeffersonville, VT.
- Frost, freezing nights, 90° and 100° days, heating and cooling: Johnson 2 N, VT, 1.4 miles from the town’s center, 330 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 Johnson’s climate
What is the weather like in Johnson?
A typical July afternoon reaches 78°, a January night drops to 7°, and about 139 inches of snow falls in a normal winter. Colder January nights than 97% of U.S. towns; cooler July afternoons than 96% of U.S. towns.
How cold does it get in Johnson in winter?
January nights average 7°. About 177 nights a year reach 32° or below and 30 reach 0° or below. In the coldest January of the last 30 years the month averaged 5°.
How much snow does Johnson get?
About 139 inches in a normal winter at Jeffersonville, VT, most of it in January, February and December, with snow on the ground about 133 days a year.
How hot does it get in Johnson?
July, with a typical high of 78°. 90° days are rare: none in a normal year at Johnson 2 N, VT.
When is the first and last frost in Johnson?
In half of years the last spring frost (32°) comes by May 9 and the first fall frost by October 1, about 142 frost-free days, at Johnson 2 N, VT.
What growing zone is Johnson in?
Zone 4b on the 2023 USDA Plant Hardiness Zone Map: the coldest night of a typical winter reaches about −21°.
What is the best time of year to visit Johnson?
By one simple rule (highs of 62–84° and lows of 40° or more), May, June, July, August and September. The rule is ours, not NOAA’s; the month table has the numbers to judge by.
Is Johnson getting warmer?
Yes: 1991–2020 averaged 1.8° warmer than 1901–2000 on NOAA’s grid. A bigger shift than 77% of U.S. towns.
Neighbors talk weather
Gardens, snow, and the best days of the year in Johnson.
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.