Names Hill · Photo: Realwyo · CC BY-SA 3.0La Barge has some of the coldest winter nights among U.S. towns
Midsummer highs settle at about 82°. May is the wettest month here, with about 2.6 times the rain of January. Precipitation is light here, less than falls on 98% of U.S. towns. Tender plants can go out after about June 9; in half of years the first frost comes by September 4.
A year in La Barge at a glance
Each month’s typical high and low, and what it brings.
What stands out about La Barge’s climate
Compared with towns across the U.S., with La Barge’s place in Wyoming beside it.
What a year in La Barge feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
About 84 frost-free days a year
In half of years the last 32° night comes by June 9 and the first by September 4. Frost and day counts come from NOAA’s station at La Barge, WY, 0.2 miles from the town’s center, at about the same height.
The 2023 USDA map puts La Barge’s center in zone 3b: the coldest night of a typical winter, averaged over 1991–2020, reaches about −30°. 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 34 inches of snow a winter
Snow, measured at La Barge, WY, falls mostly in February and December. Precipitation (rain plus melted snow) adds up to 8 inches a year; May is the wettest month and January the driest. Rain or snow falls on about 45 days a year.
Rain + melted snow by month
Inches of water
Snowfall by month
Inches of snow
Heating and cooling a home in La Barge
99% of the work is heating, so the furnace matters far more than the air conditioner. Months averaging under 55° run from September 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 La Barge, WY.
Living with La Barge’s climate
What the numbers mean for a garden, a free afternoon and a bad-weather day.
84 frost-free days in zone 3b. The last frost comes by Jun 9 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 4.
Months with highs of 62–84° and lows of 40° or more: July and August.
Parks & trails →Of the yearly building losses FEMA expects in La Barge from natural hazards, avalanches are the largest share (83%); heat waves, cold waves, winter storms and ice storms together are 1%. Normals are averages; the hazards page covers the extremes.
Natural hazards →La Barge and similar climates
TownRatings has no climate map of the towns around La Barge yet.
Climates most like La Barge’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 |
|---|---|---|---|---|
| La Barge, WY | 0° | 82° | 8" | 34" |
| Alamosa, CO | 3° | 82° | 8" | 30" |
| Williston, ND | 2° | 84° | 15" | 48" |
| Sidney, MT | 4° | 85° | 15" | 30" |
| Taos, NM | 11° | 84° | 13" | 28" |
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 La Barge averaged 1.3° warmer than the 1900s. The biggest change is in March (+3.5°).
A smaller shift than in 54% 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 La Barge compares
Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with La Barge’s place among Wyoming’s.
La Barge weather by month
Highs, lows and precipitation from NOAA’s grid at La Barge’s center; snow, wet days and snow on the ground from La Barge, WY. 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | Snow on ground | 30-yr range |
|---|---|---|---|---|---|---|---|
| January | 28° | 0° | 0.5" | 5.2" | 3 | 19 | 7° – 21° |
| February | 31° | 3° | 0.5" | 6.0" | 3 | 20 | 11° – 24° |
| March | 42° | 15° | 0.5" | 4.2" | 3 | 8 | 22° – 35° |
| April | 52° | 23° | 0.7" | 4.8" | 4 | 2 | 31° – 43° |
| May | 63° | 31° | 1.3" | 1.2" | 6 | 0 | 41° – 52° |
| June | 73° | 38° | 0.9" | 0.0" | 5 | 0 | 50° – 61° |
| July | 82° | 44° | 0.7" | 0.0" | 4 | 0 | 55° – 68° |
| August | 81° | 41° | 0.8" | 0.0" | 5 | 0 | 57° – 64° |
| September | 71° | 33° | 0.9" | 1.2" | 4 | 0 | 48° – 56° |
| October | 57° | 23° | 0.8" | 3.3" | 3 | 2 | 32° – 46° |
| November | 41° | 12° | 0.5" | 2.4" | 2 | 6 | 19° – 33° |
| December | 29° | 1° | 0.5" | 5.5" | 3 | 15 | 11° – 21° |
| Year | 54° | 22° | 8.4" | 33.8" | 45 | 73 |
How much a month can swing
A normal is an average. November swings the most: from 1991 to 2020 its average ranged from 19° to 33°. September is the most reliable, staying within 7°.
Where La Barge’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 La Barge’s center.
- Snow: La Barge, WY (NOAA station in town).
- Frost, freezing nights, 90° and 100° days, heating and cooling: La Barge, WY, 0.2 miles from the town’s center, at about the same height; 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 La Barge’s climate
What is the weather like in La Barge?
A typical July afternoon reaches 82°, a January night drops to 0°, and about 34 inches of snow falls in a normal winter. Colder January nights than all but 47 U.S. towns; cooler July afternoons than 78% of U.S. towns.
How cold does it get in La Barge in winter?
January nights average 0°. About 240 nights a year reach 32° or below and 62 reach 0° or below. In the coldest January of the last 30 years the month averaged 7°.
How much snow does La Barge get?
About 34 inches in a normal winter at La Barge, WY, most of it in February and December, with snow on the ground about 73 days a year.
How hot does it get in La Barge?
July, with a typical high of 82° and a low of 44°. About 7 days a year reach 90° (La Barge, WY).
When is the first and last frost in La Barge?
In half of years the last spring frost (32°) comes by June 9 and the first fall frost by September 4, about 84 frost-free days, at La Barge, WY.
What growing zone is La Barge in?
Zone 3b on the 2023 USDA Plant Hardiness Zone Map: the coldest night of a typical winter reaches about −30°.
What is the best time of year to visit La Barge?
By one simple rule (highs of 62–84° and lows of 40° or more), July and August. The rule is ours, not NOAA’s; the month table has the numbers to judge by.
Is La Barge getting warmer?
Yes: 1991–2020 averaged 1.3° warmer than 1901–2000 on NOAA’s grid. A smaller shift than 54% of U.S. towns.
Neighbors talk weather
Gardens, snow, and the best days of the year in La Barge.
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.