Photo: Storylanding · CC BY-SA 3.0Bloomfield gets about 81 inches of snow a winter, more than 95% of U.S. towns
A typical July afternoon reaches 76°, a January night drops to 4°, and about 81 inches of snow falls in a normal winter.
A year in Bloomfield at a glance
Each month’s typical high and low, and what it brings.
What stands out about Bloomfield’s climate
Compared with towns across the U.S., with Bloomfield’s place in Vermont beside it.
What a year in Bloomfield feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
About 112 frost-free days a year
In half of years the last 32° night comes by May 31 and the first by September 21. Frost and day counts come from NOAA’s station at Colebrook 3sw, NH, 5 miles from the town’s center, 350 ft lower.
The 2023 USDA map puts Bloomfield’s center in zone 4a: the coldest night of a typical winter, averaged over 1991–2020, reaches about −26°. 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 81 inches of snow a winter
Snow, measured at Colebrook 3sw, NH, falls mostly in January, February and December. Precipitation (rain plus melted snow) adds up to 46 inches a year; June is the wettest month and February the driest. Rain or snow falls on about 145 days a year.
Rain + melted snow by month
Inches of water
Snowfall by month
Inches of snow
Heating and cooling a home in Bloomfield
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 Colebrook 3sw, NH.
Living with Bloomfield’s climate
What the numbers mean for a garden, a free afternoon and a bad-weather day.
112 frost-free days in zone 4a. The last frost comes by May 31 in half of years, so many gardeners wait a week or two past that to set out tomatoes. The first fall frost comes by Sep 21.
Months with highs of 62–84° and lows of 40° or more: June, July, August and September. 47 miles of trails are waiting.
Parks & trails →Of the yearly building losses FEMA expects in Bloomfield from natural hazards, river flooding is the largest share (79%); heat waves, cold waves, winter storms and ice storms together are 13%. Normals are averages; the hazards page covers the extremes.
Natural hazards →Bloomfield and its neighbors
Brunswick the hottest July afternoons (77°, 1° warmer). Differences under a degree are within what the 5 km grid can tell apart. Tap a town to see its climate.
Climates most like Bloomfield’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 |
|---|---|---|---|---|
| Bloomfield, VT | 4° | 76° | 46" | 81" |
| Houlton, ME | 4° | 78° | 42" | 96" |
| Corinth, NY | 9° | 77° | 51" | 60" |
| Sault Ste. Marie, MI | 8° | 76° | 37" | 120" |
| Rhinelander, WI | 3° | 78° | 33" | 82" |
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 Bloomfield averaged 1.7° warmer than the 1900s. The biggest change is in December (+4.2°).
A bigger shift than in 75% 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 Bloomfield compares
Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with Bloomfield’s place among Vermont’s.
Bloomfield weather by month
Highs, lows and precipitation from NOAA’s grid at Bloomfield’s center; snow, wet days and snow on the ground from Colebrook 3sw, NH. 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | Snow on ground | 30-yr range |
|---|---|---|---|---|---|---|---|
| January | 23° | 4° | 3.1" | 18.2" | 13 | 29 | 1° – 23° |
| February | 27° | 6° | 2.5" | 19.9" | 10 | 28 | 3° – 24° |
| March | 36° | 15° | 2.8" | 14.5" | 10 | 25 | 14° – 35° |
| April | 49° | 28° | 3.4" | 3.4" | 10 | 6 | 34° – 44° |
| May | 63° | 39° | 4.2" | 0.1" | 12 | 0 | 45° – 56° |
| June | 71° | 48° | 4.9" | 0.0" | 14 | 0 | 57° – 65° |
| July | 76° | 54° | 4.7" | 0.0" | 13 | 0 | 60° – 68° |
| August | 74° | 52° | 4.5" | 0.0" | 12 | 0 | 60° – 66° |
| September | 67° | 44° | 3.9" | 0.0" | 11 | 0 | 50° – 61° |
| October | 53° | 35° | 4.6" | 0.9" | 13 | 0 | 40° – 51° |
| November | 40° | 24° | 3.4" | 5.9" | 13 | 7 | 27° – 38° |
| December | 29° | 13° | 3.6" | 18.5" | 15 | 23 | 13° – 32° |
| Year | 51° | 30° | 45.5" | 81.4" | 145 | 119 |
How much a month can swing
A normal is an average. January swings the most: from 1991 to 2020 its average ranged from 1° to 23°. August is the most reliable, staying within 6°.
Where Bloomfield’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 Bloomfield’s center.
- Snow: Colebrook 3sw, NH.
- Frost, freezing nights, 90° and 100° days, heating and cooling: Colebrook 3sw, NH, 5 miles from the town’s center, 350 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 Bloomfield’s climate
What is the weather like in Bloomfield?
A typical July afternoon reaches 76°, a January night drops to 4°, and about 81 inches of snow falls in a normal winter. Colder January nights than all but 167 U.S. towns; cooler July afternoons than 98% of U.S. towns.
How cold does it get in Bloomfield in winter?
January nights average 4°. About 191 nights a year reach 32° or below and 41 reach 0° or below. In the coldest January of the last 30 years the month averaged 1°.
How much snow does Bloomfield get?
About 81 inches in a normal winter at Colebrook 3sw, NH, most of it in January, February and December, with snow on the ground about 119 days a year.
How hot does it get in Bloomfield?
July, with a typical high of 76° and a low of 54°. About 1 days a year reach 90° (Colebrook 3sw, NH).
When is the first and last frost in Bloomfield?
In half of years the last spring frost (32°) comes by May 31 and the first fall frost by September 21, about 112 frost-free days, at Colebrook 3sw, NH.
What growing zone is Bloomfield in?
Zone 4a on the 2023 USDA Plant Hardiness Zone Map: the coldest night of a typical winter reaches about −26°.
What is the best time of year to visit Bloomfield?
By one simple rule (highs of 62–84° and lows of 40° or more), June, July, August and September. The rule is ours, not NOAA’s; the month table has the numbers to judge by.
Is Bloomfield getting warmer?
Yes: 1991–2020 averaged 1.7° warmer than 1901–2000 on NOAA’s grid. A bigger shift than 75% of U.S. towns.
Neighbors talk weather
Gardens, snow, and the best days of the year in Bloomfield.
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.