Photo: Cnw427 · CC BY-SA 3.0Walkerville’s winters are colder but less snowy than most of the U.S.
A typical July afternoon reaches 79°, a January night drops to 12°, and about 15 inches of snow falls in a normal winter.
A year in Walkerville at a glance
Each month’s typical high and low, and what it brings.
What stands out about Walkerville’s climate
Compared with towns across the U.S., with Walkerville’s place in Montana beside it.
What a year in Walkerville feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
About 83 frost-free days a year
In half of years the last 32° night comes by June 13 and the first by September 5. Frost and day counts come from Butte Bert Mooney Airport, 5 miles away.
The 2023 USDA map puts Walkerville’s center in zone 5a: the coldest night of a typical winter, averaged over 1991–2020, reaches about −19°. 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 15 inches of snow a winter
Snow, measured at Divide, MT, falls mostly in December. Precipitation (rain plus melted snow) adds up to 15 inches a year; June is the wettest month and January the driest. Rain or snow falls on about 59 days a year.
Rain + melted snow by month
Inches of water
Snowfall by month
Inches of snow
Heating and cooling a home in Walkerville
99% of the work is heating, so the furnace matters far more than the air conditioner. Months averaging under 55° run from September through June.
Degree days add up how far each day’s average falls below (heating) or rises above (cooling) 65° over a year. NOAA normals at Butte Bert Mooney Airport.
Living with Walkerville’s climate
What the numbers mean for a garden, a free afternoon and a bad-weather day.
83 frost-free days in zone 5a. The last frost comes by Jun 13 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 5.
Months with highs of 62–84° and lows of 40° or more: June, July and August.
Parks & trails →Of the yearly building losses FEMA expects in Walkerville from natural hazards, river flooding is the largest share (34%); heat waves, cold waves, winter storms and ice storms together are 31%. Normals are averages; the hazards page covers the extremes.
Natural hazards →Walkerville and similar climates
TownRatings has no climate map of the towns around Walkerville yet.
Climates most like Walkerville’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 |
|---|---|---|---|---|
| Walkerville, MT | 12° | 79° | 15" | 15" |
| Taos, NM | 11° | 84° | 13" | 28" |
| Dickinson, ND | 5° | 83° | 16" | 35" |
| Alamosa, CO | 3° | 82° | 8" | 30" |
| Deschutes River Woods, OR | 24° | 84° | 13" | 22" |
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 Walkerville averaged 1.6° warmer than the 1900s. The biggest change is in January (+4.2°).
A bigger shift than in 65% 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 Walkerville compares
Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with Walkerville’s place among Montana’s.
Walkerville weather by month
Highs, lows and precipitation from NOAA’s grid at Walkerville’s center; snow, wet days and snow on the ground from Divide, MT. 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | 30-yr range |
|---|---|---|---|---|---|---|
| January | 33° | 12° | 0.5" | 2.4" | 3 | 14° – 29° |
| February | 35° | 13° | 0.6" | 2.0" | 3 | 12° – 32° |
| March | 43° | 20° | 0.9" | 2.6" | 4 | 23° – 38° |
| April | 50° | 26° | 1.6" | 0.8" | 5 | 33° – 43° |
| May | 60° | 34° | 2.3" | 0.1" | 8 | 42° – 52° |
| June | 69° | 41° | 2.7" | 0.0" | 10 | 49° – 61° |
| July | 79° | 46° | 1.2" | 0.0" | 6 | 53° – 69° |
| August | 78° | 44° | 1.3" | 0.0" | 6 | 55° – 65° |
| September | 68° | 37° | 1.2" | 0.1" | 4 | 49° – 57° |
| October | 53° | 28° | 1.1" | 0.9" | 4 | 33° – 47° |
| November | 40° | 18° | 0.7" | 1.7" | 4 | 22° – 38° |
| December | 32° | 11° | 0.6" | 4.6" | 3 | 15° – 28° |
| Year | 53° | 27° | 14.7" | 15.2" | 59 |
How much a month can swing
A normal is an average. February swings the most: from 1991 to 2020 its average ranged from 12° to 32°. September is the most reliable, staying within 8°.
Where Walkerville’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 Walkerville’s center.
- Snow: Divide, MT.
- Frost, freezing nights, 90° and 100° days, heating and cooling: Butte Bert Mooney Airport, 5 miles from the town’s center, 760 ft lower; no station nearby passes every check; this is the nearest one in the same valley, flagged above.
- 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 Walkerville’s climate
What is the weather like in Walkerville?
A typical July afternoon reaches 79°, a January night drops to 12°, and about 15 inches of snow falls in a normal winter. Colder January nights than 91% of U.S. towns; cooler July afternoons than 94% of U.S. towns.
How cold does it get in Walkerville in winter?
December nights average 11°. About 220 nights a year reach 32° or below and 31 reach 0° or below. In the coldest December of the last 30 years the month averaged 15°.
How much snow does Walkerville get?
About 15 inches in a normal winter at Divide, MT, most of it in December.
How hot does it get in Walkerville?
July, with a typical high of 79° and a low of 46°. About 8 days a year reach 90° (Butte Bert Mooney Airport).
When is the first and last frost in Walkerville?
In half of years the last spring frost (32°) comes by June 13 and the first fall frost by September 5, about 83 frost-free days, at Butte Bert Mooney Airport.
What growing zone is Walkerville in?
Zone 5a on the 2023 USDA Plant Hardiness Zone Map: the coldest night of a typical winter reaches about −19°.
What is the best time of year to visit Walkerville?
By one simple rule (highs of 62–84° and lows of 40° or more), June, July and August. The rule is ours, not NOAA’s; the month table has the numbers to judge by.
Is Walkerville getting warmer?
Yes: 1991–2020 averaged 1.6° warmer than 1901–2000 on NOAA’s grid. A bigger shift than 65% of U.S. towns.
Neighbors talk weather
Gardens, snow, and the best days of the year in Walkerville.
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.