Hardly any U.S. towns see harsher January nights than East End Colony
Sunny July days climb to about 84°. Its yearly precipitation falls short of 95% of U.S. towns. Warming shows here too: 1.5° more than in 1901–2000, led by January. Keep the boiler serviced for the months from October to April, which average under 50°.
A year in East End Colony at a glance
Each month’s typical high and low, and what it brings.
What stands out about East End Colony’s climate
Compared with towns across the U.S., with East End Colony’s place in Montana beside it.
What a year in East End Colony feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
About 129 frost-free days a year
In half of years the last 32° night comes by May 15 and the first by September 23. Frost and day counts come from NOAA’s station at Havre City Co Airport, 18 miles from the town’s center, 120 ft lower.
The 2023 USDA map puts East End Colony’s center in zone 3b: the coldest night of a typical winter, averaged over 1991–2020, reaches about −31°. 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 41 inches of snow a winter
Snow, measured at Havre City Co Airport, falls mostly in January and December. Precipitation (rain plus melted snow) adds up to 13 inches a year; June is the wettest month and February the driest. Rain or snow falls on about 90 days a year.
Rain + melted snow by month
Inches of water
Snowfall by month
Inches of snow
Heating and cooling a home in East End Colony
95% 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 Havre City Co Airport.
Living with East End Colony’s climate
What the numbers mean for a garden, a free afternoon and a bad-weather day.
129 frost-free days in zone 3b. The last frost comes by May 15 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 23.
Months with highs of 62–84° and lows of 40° or more: June, August and September.
Parks & trails →Of the yearly building losses FEMA expects in East End Colony from natural hazards, river flooding is the largest share (47%); heat waves, cold waves, winter storms and ice storms together are 47%. Normals are averages; the hazards page covers the extremes.
Natural hazards →East End Colony and similar climates
TownRatings has no climate map of the towns around East End Colony yet.
Climates most like East End Colony’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 |
|---|---|---|---|---|
| East End Colony, MT | 4° | 84° | 13" | 41" |
| Williston, ND | 2° | 84° | 15" | 48" |
| Gunnison, CO | 0° | 82° | 12" | 50" |
| Taos, NM | 11° | 84° | 13" | 28" |
| Aberdeen, SD | 3° | 84° | 22" | 43" |
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 East End Colony averaged 1.5° warmer than the 1900s. The biggest change is in January (+4.5°).
A bigger shift than in 61% 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 East End Colony compares
Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with East End Colony’s place among Montana’s.
East End Colony weather by month
Highs, lows and precipitation from NOAA’s grid at East End Colony’s center; snow, wet days and snow on the ground from Havre City Co Airport. 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | Snow on ground | 30-yr range |
|---|---|---|---|---|---|---|---|
| January | 26° | 4° | 0.5" | 9.0" | 7 | 21 | −1° – 31° |
| February | 30° | 7° | 0.4" | 6.9" | 6 | 13 | −7° – 33° |
| March | 42° | 18° | 0.6" | 5.2" | 6 | 9 | 11° – 40° |
| April | 56° | 29° | 0.9" | 2.7" | 8 | 2 | 36° – 47° |
| May | 67° | 39° | 1.9" | 0.4" | 11 | 0 | 49° – 59° |
| June | 75° | 48° | 3.0" | 0.0" | 12 | 0 | 58° – 65° |
| July | 84° | 53° | 1.5" | 0.0" | 8 | 0 | 60° – 75° |
| August | 83° | 51° | 1.1" | 0.0" | 7 | 0 | 62° – 72° |
| September | 72° | 41° | 1.2" | 0.4" | 7 | 0 | 52° – 63° |
| October | 56° | 29° | 0.7" | 2.0" | 7 | 1 | 36° – 49° |
| November | 41° | 18° | 0.6" | 6.2" | 6 | 7 | 17° – 39° |
| December | 29° | 8° | 0.4" | 8.2" | 6 | 13 | 4° – 30° |
| Year | 55° | 29° | 12.6" | 41.0" | 90 | 67 |
How much a month can swing
A normal is an average. February swings the most: from 1991 to 2020 its average ranged from -7° to 33°. June is the most reliable, staying within 7°.
Where East End Colony’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 East End Colony’s center.
- Snow: Havre City Co Airport.
- Frost, freezing nights, 90° and 100° days, heating and cooling: Havre City Co Airport, 18 miles from the town’s center, 120 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 East End Colony’s climate
What is the weather like in East End Colony?
A typical July afternoon reaches 84°, a January night drops to 4°, and about 41 inches of snow falls in a normal winter. Colder January nights than all but 167 U.S. towns; cooler July afternoons than 58% of U.S. towns.
How cold does it get in East End Colony in winter?
January nights average 4°. About 185 nights a year reach 32° or below and 32 reach 0° or below. In the coldest January of the last 30 years the month averaged −1°.
How much snow does East End Colony get?
About 41 inches in a normal winter at Havre City Co Airport, most of it in January and December, with snow on the ground about 67 days a year.
How hot does it get in East End Colony?
July, with a typical high of 84° and a low of 53°. About 27 days a year reach 90° and 3 reach 100° (Havre City Co Airport).
When is the first and last frost in East End Colony?
In half of years the last spring frost (32°) comes by May 15 and the first fall frost by September 23, about 129 frost-free days, at Havre City Co Airport.
What growing zone is East End Colony in?
Zone 3b on the 2023 USDA Plant Hardiness Zone Map: the coldest night of a typical winter reaches about −31°.
What is the best time of year to visit East End Colony?
By one simple rule (highs of 62–84° and lows of 40° or more), June, August and September. The rule is ours, not NOAA’s; the month table has the numbers to judge by.
Is East End Colony getting warmer?
Yes: 1991–2020 averaged 1.5° warmer than 1901–2000 on NOAA’s grid. A bigger shift than 61% of U.S. towns.
Neighbors talk weather
Gardens, snow, and the best days of the year in East End Colony.
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.