Vergennes, VT climate
Vergennes has cold, snowy winters and pleasant summers. A typical July afternoon reaches 82°, a January night drops to 11°, and about 59 inches of snow falls in a normal winter.
NOAA 1991-2020 climate normals Updated once a decadeWhat a year in Vergennes feels like
Winter
Spring
Summer
Fall
Vergennes 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 | 29° | 11° | 2.2" | 13.3" | 11 | 22 | 6° – 29° |
| February | 33° | 12° | 1.8" | 13.3" | 9 | 20 | 7° – 29° |
| March | 42° | 21° | 2.3" | 11.9" | 9 | 15 | 22° – 43° |
| April | 56° | 33° | 3.0" | 2.6" | 11 | 2 | 40° – 50° |
| May | 69° | 45° | 3.4" | 0 | 11 | 0 | 52° – 63° |
| June | 78° | 55° | 4.0" | 0 | 12 | 0 | 64° – 71° |
| July | 82° | 60° | 4.0" | 0 | 11 | 0 | 66° – 76° |
| August | 80° | 58° | 3.7" | 0 | 11 | 0 | 66° – 73° |
| September | 73° | 50° | 3.3" | 0 | 9 | 0 | 57° – 67° |
| October | 59° | 39° | 3.7" | 0.3" | 12 | 0 | 45° – 57° |
| November | 47° | 30° | 2.7" | 3.8" | 10 | 3 | 32° – 44° |
| December | 36° | 19° | 2.7" | 13.4" | 12 | 16 | 20° – 39° |
| Year | 57° | 36° | 36.9" | 58.6" | 129 | 78 |
“Wet days” have at least 0.01" of rain or melted snow. “Snow on ground” counts days with 1" or more. The 30-year range is the coldest and warmest that month’s average temperature got between 1991 and 2020.
Rain and snow in Vergennes
Vergennes gets 37 inches of rain and melted snow a year. July is the wettest month and February the driest. Rain or snow falls on about 129 days a year. Snow covers the ground about 78 days of the year.
About 168 frost-free days a year
In half of years the last 32° night comes by April 30 and the first one by October 17. That leaves about 168 frost-free days for gardens, shorter than 63% of U.S. towns.
Heating and cooling a home in Vergennes
Engineers use “degree days” to estimate how hard a furnace or air conditioner works. In Vergennes, 93% of that work is heating and 7% is cooling, so the furnace matters far more than the air conditioner.
Degree days measure how far each day’s average temperature falls below or rises above 65°, added up over a year. Source: NOAA station normals.
Vergennes and its neighbors
Vergennes borders 2 towns with climate data. January nights across them vary by 0.2°. Waltham has the coldest January nights (11°) and Ferrisburgh the hottest July afternoons (82°). Vergennes’s January low is 11° and its July high 82°.
Temperatures and rain come from NOAA’s 5 km grid, so each town gets its own value.
How Vergennes compares
Compared with every U.S. town and city on TownTapestry, each counted once.
Warmer than it used to be
The last 30 years in Vergennes averaged 1.8° warmer than the 1900s. The biggest change is in December (+3.8°). The shift is larger than in 85% of U.S. towns.
Change by month1991–2020 average minus 1901–2000 average, at Vergennes’s spot on NOAA’s grid
How much a month can swing
A normal is an average, and real years wander around it. January swings the most: between 1991 and 2020 its average temperature ranged from 6° to 29°. August is the most reliable, staying within 7°.
Common questions about Vergennes’s climate
What is the coldest month in Vergennes?
January, with a typical high of 29° and a low of 11°.
What is the hottest month in Vergennes?
July, with a typical high of 82° and a low of 60°. About 12 days a year reach 90°.
How much snow does Vergennes get?
About 59 inches in a normal winter, most of it in December.
When is the first frost in Vergennes?
In half of years the first 32° night comes by October 17, and the last spring frost by April 30.
What is the rainiest month in Vergennes?
July, with 4.0 inches of rain and melted snow. The year totals 37 inches.
Temperatures and rainfall come from NOAA’s gridded climate normals for Vergennes itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at Cornwall, VT (15 mi, snow) and Vergennes, VT (1 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.