Fort Johnson has cold, snowy winters and pleasant summers
A typical July afternoon reaches 83°, a January night drops to 13°, and about 64 inches of snow falls in a normal winter.
A year in Fort Johnson at a glance
Each month’s typical high and low, and what it brings.
What a year in Fort Johnson feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
64 inches of snow, 42 of rain and melt
June is the wettest month and February the driest. Rain or snow falls on about 138 days a year.
Rain + melted snow by month
Inches of water
Snowfall by month
Inches of snow
About 153 frost-free days a year
In half of years the last 32° night comes by May 7 and the first by October 7.
Freezing nights by month
Average nights at or below 32°
90° days by month
Average days at 90° or more
Living with Fort Johnson’s climate
What the numbers mean for a garden, a driveway, a furnace and a free afternoon.
153 frost-free days. The last frost comes by May 7 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 7.
About 64" a winter over 18 days with an inch or more, most in January. Snow covers the ground about 84 days a year.
Months averaging under 55° run from October through April. Heating is 94% of the year’s heating-and-cooling load.
About 9 days a year reach 90°, and July afternoons average 83°.
The nicest months are May, June, July, August and September. 0.1 miles of trails are waiting.
Parks & trails →Normals are averages. Ice storms, nor’easters, floods and heat waves are on the natural hazards page.
Natural hazards →Fort Johnson and its neighbors
Amsterdam has the coldest January nights next door (13°) and Amsterdam the hottest July afternoons (82°). Tap a town to see its climate.
Temperatures and rain come from NOAA’s 5 km grid, so each town gets its own value. Snow and frost-free days come from the nearest weather station, so neighbors often share them.
Warmer than it used to be
The last 30 years in Fort Johnson averaged 1.2° warmer than the 1900s. The biggest change is in December (+3.1°).
A bigger shift than in 50% of U.S. towns.
Change by month
How Fort Johnson compares
Against every U.S. town on TownTapestry, each counted once, with its place in New York.
Fort Johnson weather by month
Average highs, lows, rain and snow for every month, from NOAA’s 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | Snow on ground | 30-yr range |
|---|---|---|---|---|---|---|---|
| January | 31° | 13° | 2.8" | 16.5" | 12 | 23 | 11° – 30° |
| February | 34° | 15° | 2.4" | 15.7" | 10 | 23 | 10° – 31° |
| March | 43° | 23° | 3.1" | 11.4" | 11 | 17 | 25° – 44° |
| April | 57° | 34° | 3.5" | 1.8" | 12 | 2 | 39° – 51° |
| May | 70° | 46° | 3.6" | 0 | 13 | 0 | 52° – 63° |
| June | 78° | 55° | 4.3" | 0 | 12 | 0 | 64° – 71° |
| July | 83° | 60° | 4.2" | 0 | 13 | 0 | 66° – 75° |
| August | 81° | 58° | 4.2" | 0 | 11 | 0 | 66° – 73° |
| September | 73° | 51° | 3.6" | 0 | 10 | 0 | 58° – 66° |
| October | 60° | 39° | 4.0" | 0.1" | 12 | 0 | 46° – 56° |
| November | 48° | 30° | 3.0" | 2.9" | 11 | 3 | 34° – 44° |
| December | 37° | 21° | 3.3" | 15.1" | 12 | 16 | 21° – 40° |
| Year | 58° | 37° | 42.2" | 63.5" | 138 | 84 |
Heating and cooling a home in Fort Johnson
94% of the work is heating, so the furnace matters far more than the air conditioner.
Degree days add up how far each day’s average falls below (heating) or rises above (cooling) 65° over a year. Source: NOAA station normals.
How much a month can swing
A normal is an average. February swings the most: from 1991 to 2020 its average ranged from 10° to 31°. August is the most reliable, staying within 7°.
Common questions about Fort Johnson’s climate
What is the coldest month in Fort Johnson?
January, with a typical high of 31° and a low of 13°.
What is the hottest month in Fort Johnson?
July, with a typical high of 83° and a low of 60°. About 9 days a year reach 90°.
How much snow does Fort Johnson get?
About 64 inches in a normal winter, most of it in January.
When is the first frost in Fort Johnson?
In half of years the first 32° night comes by October 7, and the last spring frost by May 7.
What is the rainiest month in Fort Johnson?
June, with 4.3 inches of rain and melted snow. The year totals 42 inches.
Neighbors talk weather
Gardens, snow, and the best days of the year in Fort Johnson.
Your answer becomes a post in Town Square.
Temperatures and rainfall come from NOAA’s gridded climate normals for Fort Johnson itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at Saratoga Springs 4 Sw, NY (22 mi, snow) and Delanson 2ne, NY (14 mi, frost, heat and degree days). Normals are 30-year averages, not a forecast. Source: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000. Today’s forecast: National Weather Service.