La Barge, Wyoming climate: Normal weather by month, frost dates and records
La Barge's normal year runs from −2°F January nights to 83°F July afternoons, with 8.6 inches of precipitation and 34 inches of snow a year. (NOAA 1991-2020 normals)
In metric: a yearly mean of 3.9°C, January lows of −19°C, July highs of 29°C, 217 mm of precipitation a year.
- NOAA stationLa Barge
- Station IDUSC00485252
- Location42.26°N 110.19°W
- Elevation6,598 ft (2,011 m)
- Population395
On October 22, the normal high in La Barge is 55°F and the normal low 22°F, and the chance of measurable rain or snow is 9%.
Normals describe a typical year at the station, not a forecast. The National Weather Service forecast for La Barge.
- Jan 30° -2°
- Feb 33° 2°
- Mar 45° 17°
- Apr 54° 24°
- May 64° 33°
- Jun 74° 40°
- Jul 83° 46°
- Aug 82° 44°
- Sep 72° 34°
- Oct 58° 24°
- Nov 42° 11°
- Dec 30° 0°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
What is the weather like in La Barge each month?
July is the warmest month, with normal highs of 83°F; January the coldest, with normal lows of −2°F. The most precipitation falls in May (1.26 in), the least in November (0.34 in).
| Month | High | Low | Mean | Precip. | Snow | Wet days | 90°F days | Freezing nights | Daylight |
|---|---|---|---|---|---|---|---|---|---|
| January | 30°F | −2°F | 13.7°F | 0.40 | 5.2 | 3 | <1 | 31 | 9 h 20 min |
| February | 33°F | 2°F | 17.4°F | 0.42 | 6.0 | 3 | <1 | 28 | 10 h 30 min |
| March | 45°F | 17°F | 30.7°F | 0.45 | 4.2 | 3 | <1 | 31 | 11 h 50 min |
| April | 54°F | 24°F | 39.2°F | 0.71 | 4.8 | 4 | <1 | 28 | 13 h 20 min |
| May | 64°F | 33°F | 48.3°F | 1.26 | 1.2 | 6 | <1 | 15 | 14 h 30 min |
| June | 74°F | 40°F | 57.1°F | 0.95 | 0.0 | 5 | <1 | 4 | 15 h 10 min |
| July | 83°F | 46°F | 64.8°F | 0.85 | 0.0 | 4 | 5 | 1 | 15 h |
| August | 82°F | 44°F | 62.7°F | 0.85 | 0.0 | 5 | 1 | 1 | 14 h |
| September | 72°F | 34°F | 53.1°F | 0.96 | 1.2 | 4 | <1 | 14 | 12 h 30 min |
| October | 58°F | 24°F | 41.0°F | 0.89 | 3.3 | 3 | <1 | 27 | 11 h 10 min |
| November | 42°F | 11°F | 26.3°F | 0.34 | 2.4 | 2 | <1 | 30 | 9 h 50 min |
| December | 30°F | 0°F | 14.9°F | 0.47 | 5.5 | 3 | <1 | 31 | 9 h 10 min |
| Year (annual) | 55°F | 23°F | 39.1°F | 8.55 | 33.8 | 45 | 7 | 240 |
The same normals in °C and millimetres
| Month | High | Low | Mean | Precip. | Snow |
|---|---|---|---|---|---|
| January | −1°C | −19°C | −10.2°C | 10 mm | 13 cm |
| February | 0°C | −17°C | −8.1°C | 11 mm | 15 cm |
| March | 7°C | −8°C | −0.7°C | 11 mm | 11 cm |
| April | 12°C | −4°C | 4.0°C | 18 mm | 12 cm |
| May | 18°C | 0°C | 9.1°C | 32 mm | 3 cm |
| June | 23°C | 5°C | 13.9°C | 24 mm | 0 cm |
| July | 29°C | 8°C | 18.2°C | 22 mm | 0 cm |
| August | 28°C | 7°C | 17.1°C | 22 mm | 0 cm |
| September | 22°C | 1°C | 11.7°C | 24 mm | 3 cm |
| October | 15°C | −5°C | 5.0°C | 23 mm | 8 cm |
| November | 5°C | −12°C | −3.2°C | 9 mm | 6 cm |
| December | −1°C | −18°C | −9.5°C | 12 mm | 14 cm |
Source: NOAA NCEI 1991-2020 monthly normals, station USC00485252; annual normals. Wet days: 0.01 inch or more; 90°F days and freezing nights: NOAA's day counts. Daylight: sunrise to sunset on the 15th, computed from the latitude.
When is the best weather to visit La Barge?
Normal highs sit between 65°F and 85°F in June, July, August and September. Of those, July has the fewest days with rain (4).
That is a measurement, not a recommendation: it counts the months whose normal afternoon high sits between 65°F and 85°F, where a light layer is enough by day.
Source: NOAA NCEI 1991-2020 monthly normals, station USC00485252.
When is the last frost in La Barge?
In La Barge, the last spring frost (32°F) comes after June 9 in half of years and after June 27 in one year in ten; the first autumn frost comes before September 4 in half of years and before August 21 in one year in ten.
Frost-free in half of yearsFrost in 1 to 9 years out of 10Frost most years
- Last spring frost, half of years after
- June 91 year in 10 after June 27; 9 in 10 after May 24
- First autumn frost, half of years before
- September 41 year in 10 before August 21; 9 in 10 before September 18
NOAA puts the median frost-free season at 84 days, and the season without a hard freeze (28°F) at 111 days.
A hard freeze (28°F) comes after May 24 in half of springs and before September 15 in half of autumns.
The USDA's 2023 Plant Hardiness Zone Map puts La Barge in zone 4a in ZIP code 83123, the nearest ZIP area.
Frost dates for every NOAA station in Wyoming · Frost dates by ZIP code
Source: NOAA NCEI 1991-2020 annual normals (frost probabilities), station USC00485252; USDA 2023 Plant Hardiness Zone Map, ZIP listings: PRISM Group, Oregon State University, https://prism.oregonstate.edu, accessed October 8, 2026. A 10% date means one year in ten has a frost after it in spring or before it in autumn.
How hot and how cold does it get in La Barge?
In a normal year in La Barge, 7 days a year reach 90°F, 240 nights fall to 32°F or colder and 45 days bring measurable precipitation.
- Days at 90°F or more
- 7a normal year
- Days at 100°F or more
- fewer than 1a normal year
- Nights at 32°F or colder
- 240a normal year
- Days that stay below freezing
- 59high of 32°F or less
- Days with 0.01 inch of precipitation
- 45a normal year
- Days with 1 inch of snow or more
- 11a normal year
Source: NOAA NCEI 1991-2020 annual normals, station USC00485252.
How sunny is La Barge?
Over a year 79% of the sunlight that would reach the ground under clear skies gets through the clouds in the area around La Barge, 4.7 kWh per square metre a day. July is the sunniest month (86%) and December the cloudiest (70%).
| Month | Share of clear-sky sunshine | Sunshine, kWh/m² a day |
|---|---|---|
| January | 75% | 2.2 |
| February | 74% | 3.1 |
| March | 76% | 4.5 |
| April | 75% | 5.6 |
| May | 74% | 6.3 |
| June | 83% | 7.5 |
| July | 86% | 7.5 |
| August | 85% | 6.4 |
| September | 83% | 5.1 |
| October | 77% | 3.5 |
| November | 73% | 2.3 |
| December | 70% | 1.8 |
Source: NASA POWER solar climatology, 2001-2020 (CERES SYN1deg). Satellite-based, for the 1-degree cell (about 100 km across) around the station, so it describes the area rather than the airport.
How much heating and cooling does La Barge need?
A normal year in La Barge brings 9,504 heating degree days, 77% more than the median U.S. place (5,373), and 90 cooling degree days, 90% fewer than the median (908). Nine months need 300 or more heating degree days, a monthly mean of about 55°F or colder. For gardens and crops, NOAA counts 1,305 growing degree days a year above 50°F.
| Month | Heating | Cooling |
|---|---|---|
| January | 1,592 | 0 |
| February | 1,334 | 0 |
| March | 1,064 | 0 |
| April | 775 | 0 |
| May | 518 | 0 |
| June | 242 | 7 |
| July | 62 | 54 |
| August | 100 | 29 |
| September | 359 | 1 |
| October | 746 | 0 |
| November | 1,160 | 0 |
| December | 1,553 | 0 |
| Year (annual) | 9,504 | 90 |
Source: NOAA NCEI 1991-2020 monthly normals, station USC00485252. A degree day is one degree of a day's mean temperature below 65°F (heating) or above it (cooling); utilities use them to estimate energy use.
How does La Barge's climate compare?
La Barge is warmer than 13 of the other 70 places with their own NOAA record in Wyoming, and wetter than 12. Across the 7,247 U.S. stations with normals, its annual mean of 39.1°F is warmer than 4%.
In the Köppen classification computed from these normals, La Barge is BSk: cold semi-arid steppe. What the classes mean.
Places with the most similar year elsewhere
Measured month by month on the normal high, low and precipitation, among places of 20,000 or more people in other states:
Source: NOAA NCEI 1991-2020 normals for every station PlainClimate covers. Similarity: the root-mean-square difference of the 36 monthly figures, precipitation weighted so an inch counts like 6°F.
Questions about La Barge's climate
What is the coldest month in La Barge?
January, with a normal high of 30°F and a normal low of −2°F. The warmest is July (83°F by day, 46°F at night).
Does it snow in La Barge?
Yes: 34 inches in a normal year, falling on 15 days with 0.1 inch or more, the most in February (6.0 inches).
What is the rainiest month in La Barge?
May, with 1.26 in of precipitation in a normal year; the driest is November with 0.34 in.
What plant hardiness zone is La Barge in?
The USDA's 2023 map puts La Barge in zone 4a in ZIP code 83123, the nearest ZIP area.
How late can frost come in La Barge?
In half of years the last 32°F night comes after June 9; in one year in ten it comes after June 27. Waiting until June 27 leaves about a one-in-ten chance of a later frost.
Nearby and next
- Wyoming climateThe statewide normals and every place in the state
- Fontenelle, WY21 miles from this station, 38.2°F a year
- Big Piney, WY22 miles from this station, 36.5°F a year
- Kemmerer, WY35 miles from this station, 38.5°F a year
- Farson, WY40 miles from this station, 37.8°F a year
- Compare two placesMonth by month, side by side
Download these normals (CSV) · JSON · How these figures are made