Precipitation in Inkom trails that of 92% of U.S. towns: 16 inches a year
January mornings start at about 17°. Winter and summer sit 70° apart. For walks and days out, June and September bring highs of 74–75°.
A year in Inkom at a glance
Each month’s typical high and low, and what it brings.
What stands out about Inkom’s climate
Compared with towns across the U.S., with Inkom’s place in Idaho beside it.
What a year in Inkom feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
About 137 frost-free days a year
In half of years the last 32° night comes by May 16 and the first by October 2. Frost and day counts come from NOAA’s station at Pocatello 2 Ne, ID, 10 miles from the town’s center, 120 ft higher.
The 2023 USDA map puts Inkom’s center in zone 6a: the coldest night of a typical winter, averaged over 1991–2020, reaches about −9°. 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 45 inches of snow a winter
Snow, measured at Mccammon, ID, falls mostly in January. Precipitation (rain plus melted snow) adds up to 16 inches a year; May is the wettest month and July the driest. Rain or snow falls on about 94 days a year.
Rain + melted snow by month
Inches of water
Snowfall by month
Inches of snow
Heating and cooling a home in Inkom
91% 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 Pocatello 2 Ne, ID.
Living with Inkom’s climate
What the numbers mean for a garden, a free afternoon and a bad-weather day.
137 frost-free days in zone 6a. The last frost comes by May 16 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 2.
Months with highs of 62–84° and lows of 40° or more: June and September. 1.0 miles of trails are waiting.
Parks & trails →Of the yearly building losses FEMA expects in Inkom from natural hazards, wildfire is the largest share (70%); heat waves, cold waves, winter storms and ice storms together are 11%. Normals are averages; the hazards page covers the extremes.
Natural hazards →Inkom and similar climates
TownRatings has no climate map of the towns around Inkom yet.
Climates most like Inkom’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 |
|---|---|---|---|---|
| Inkom, ID | 17° | 86° | 16" | 45" |
| Doney Park, AZ | 17° | 86° | 16" | 52" |
| Missoula, MT | 18° | 86° | 14" | 43" |
| Los Alamos, NM | 19° | 85° | 15" | 42" |
| Colorado Springs, CO | 17° | 86° | 18" | 55" |
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 Inkom averaged 1.1° warmer than the 1900s. The biggest change is in March (+3.1°).
A smaller shift than in 67% 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 Inkom compares
Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with Inkom’s place among Idaho’s.
Inkom weather by month
Highs, lows and precipitation from NOAA’s grid at Inkom’s center; snow, wet days and snow on the ground from Mccammon, ID. 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | 30-yr range |
|---|---|---|---|---|---|---|
| January | 33° | 17° | 1.8" | 16.8" | 11 | 17° – 32° |
| February | 37° | 19° | 1.3" | 7.0" | 9 | 21° – 37° |
| March | 48° | 27° | 1.5" | 3.5" | 9 | 31° – 43° |
| April | 56° | 32° | 1.5" | 1.6" | 9 | 39° – 49° |
| May | 66° | 39° | 2.0" | 0.1" | 9 | 46° – 58° |
| June | 75° | 45° | 1.2" | 0.0" | 7 | 55° – 66° |
| July | 86° | 52° | 0.6" | 0.0" | 4 | 59° – 74° |
| August | 85° | 51° | 0.8" | 0.0" | 5 | 62° – 71° |
| September | 74° | 42° | 1.2" | 0.0" | 5 | 54° – 62° |
| October | 59° | 33° | 1.3" | 0.6" | 7 | 38° – 52° |
| November | 44° | 24° | 1.2" | 2.2" | 8 | 25° – 42° |
| December | 33° | 17° | 1.7" | 12.9" | 12 | 20° – 31° |
| Year | 58° | 33° | 16.1" | 44.7" | 94 |
How much a month can swing
A normal is an average. November swings the most: from 1991 to 2020 its average ranged from 25° to 42°. September is the most reliable, staying within 8°.
Where Inkom’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 Inkom’s center.
- Snow: Mccammon, ID.
- Frost, freezing nights, 90° and 100° days, heating and cooling: Pocatello 2 Ne, ID, 10 miles from the town’s center, 120 ft higher; 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 Inkom’s climate
What is the weather like in Inkom?
A typical July afternoon reaches 86°, a January night drops to 17°, and about 45 inches of snow falls in a normal winter. Colder January nights than 77% of U.S. towns; hotter July afternoons than 56% of U.S. towns.
How cold does it get in Inkom in winter?
January nights average 17°. About 150 nights a year reach 32° or below and 4 reach 0° or below. In the coldest January of the last 30 years the month averaged 17°.
How much snow does Inkom get?
About 45 inches in a normal winter at Mccammon, ID, most of it in January.
How hot does it get in Inkom?
July, with a typical high of 86° and a low of 52°. About 41 days a year reach 90° and 3 reach 100° (Pocatello 2 Ne, ID).
When is the first and last frost in Inkom?
In half of years the last spring frost (32°) comes by May 16 and the first fall frost by October 2, about 137 frost-free days, at Pocatello 2 Ne, ID.
What growing zone is Inkom in?
Zone 6a on the 2023 USDA Plant Hardiness Zone Map: the coldest night of a typical winter reaches about −9°.
What is the best time of year to visit Inkom?
By one simple rule (highs of 62–84° and lows of 40° or more), June and September. The rule is ours, not NOAA’s; the month table has the numbers to judge by.
Is Inkom getting warmer?
Yes: 1991–2020 averaged 1.1° warmer than 1901–2000 on NOAA’s grid. A smaller shift than 67% of U.S. towns.
Neighbors talk weather
Gardens, snow, and the best days of the year in Inkom.
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.