Lamar Ranger Station, Wyoming climate: Climate normals at a NOAA weather station
Lamar Ranger Station's normal year runs from 1°F January nights to 82°F July afternoons, with 18.0 inches of precipitation a year. (NOAA 1991-2020 normals)
In metric: a yearly mean of 2.9°C, January lows of −17°C, July highs of 28°C, 456 mm of precipitation a year.
- NOAA stationLamar Ranger Station
- Station IDUSC00485355
- Location44.90°N 110.23°W
- Elevation6,575 ft (2,004 m)
On October 23, the normal high in Lamar Ranger Station is 50°F and the normal low 23°F.
Normals describe a typical year at the station, not a forecast. The National Weather Service forecast for Lamar Ranger Station.
- Jan 27° 1°
- Feb 31° 5°
- Mar 41° 13°
- Apr 50° 24°
- May 60° 32°
- Jun 69° 37°
- Jul 82° 42°
- Aug 80° 39°
- Sep 71° 33°
- Oct 54° 26°
- Nov 38° 13°
- Dec 27° 3°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
What is the weather like at Lamar Ranger Station each month?
July is the warmest month, with normal highs of 82°F; January the coldest, with normal lows of 1°F. The most precipitation falls in June (2.46 in), the least in February (1.09 in).
| Month | High | Low | Mean | Precip. | Wet days | 90°F days | Freezing nights | Daylight |
|---|---|---|---|---|---|---|---|---|
| January | 27°F | 1°F | 13.9°F | 1.10 | – | <1 | 31 | 9 h 10 min |
| February | 31°F | 5°F | 18.0°F | 1.09 | – | <1 | 28 | 10 h 20 min |
| March | 41°F | 13°F | 26.7°F | 1.10 | – | <1 | 30 | 11 h 50 min |
| April | 50°F | 24°F | 37.0°F | 1.42 | – | <1 | 27 | 13 h 30 min |
| May | 60°F | 32°F | 46.2°F | 2.22 | – | <1 | 16 | 14 h 50 min |
| June | 69°F | 37°F | 53.2°F | 2.46 | – | <1 | 4 | 15 h 30 min |
| July | 82°F | 42°F | 61.6°F | 1.48 | – | 1 | 1 | 15 h 20 min |
| August | 80°F | 39°F | 59.6°F | 1.31 | – | 1 | 3 | 14 h 10 min |
| September | 71°F | 33°F | 52.1°F | 1.47 | – | <1 | 12 | 12 h 40 min |
| October | 54°F | 26°F | 39.7°F | 1.61 | – | <1 | 25 | 11 h |
| November | 38°F | 13°F | 25.3°F | 1.49 | – | <1 | 29 | 9 h 40 min |
| December | 27°F | 3°F | 15.0°F | 1.21 | – | <1 | 31 | 8 h 50 min |
| Year (annual) | 52°F | 22°F | 37.3°F | 17.96 | – | 2 | 236 |
The same normals in °C and millimetres
| Month | High | Low | Mean | Precip. |
|---|---|---|---|---|
| January | −3°C | −17°C | −10.1°C | 28 mm |
| February | 0°C | −15°C | −7.8°C | 28 mm |
| March | 5°C | −11°C | −2.9°C | 28 mm |
| April | 10°C | −4°C | 2.8°C | 36 mm |
| May | 16°C | 0°C | 7.9°C | 56 mm |
| June | 21°C | 3°C | 11.8°C | 62 mm |
| July | 28°C | 5°C | 16.4°C | 38 mm |
| August | 27°C | 4°C | 15.3°C | 33 mm |
| September | 22°C | 1°C | 11.2°C | 37 mm |
| October | 12°C | −4°C | 4.3°C | 41 mm |
| November | 3°C | −11°C | −3.7°C | 38 mm |
| December | −3°C | −16°C | −9.4°C | 31 mm |
NOAA publishes no 1991-2020 snowfall normal for this station. The nearest record that keeps one, Tower Falls (9 miles away), gets 94 inches of snow in a normal year; elevation and distance can change that.
Source: NOAA NCEI 1991-2020 monthly normals, station USC00485355; 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.
Which months are mildest at Lamar Ranger Station?
Normal highs sit between 65°F and 85°F in June, July, August and September.
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 USC00485355.
How hot and how cold does it get at Lamar Ranger Station?
In a normal year in Lamar Ranger Station, 2 days a year reach 90°F and 236 nights fall to 32°F or colder.
- Days at 90°F or more
- 2a normal year
- Days at 100°F or more
- fewer than 1a normal year
- Nights at 32°F or colder
- 236a normal year
- Days that stay below freezing
- 78high of 32°F or less
The highest temperature in this station's record (since 1881) is 98°F, on June 23, 1936; the lowest is −55°F, on January 10, 1962.
The wettest calendar year on that record is 1927, with 26.38 in; the snowiest season is 2013–14, with 152.8 inches.
Source: NOAA NCEI 1991-2020 annual normals, station USC00485355; records: ACIS (NOAA Regional Climate Centers), station USC00485355. Records use complete months only; a month missing more than three days is left out.
How sunny is it at Lamar Ranger Station?
Over a year 72% of the sunlight that would reach the ground under clear skies gets through the clouds at Lamar Ranger Station, 4.2 kWh per square metre a day. July is the sunniest month (85%) and December the cloudiest (58%).
| Month | Share of clear-sky sunshine | Sunshine, kWh/m² a day |
|---|---|---|
| January | 63% | 1.7 |
| February | 67% | 2.6 |
| March | 67% | 3.8 |
| April | 69% | 5.2 |
| May | 67% | 5.8 |
| June | 74% | 6.7 |
| July | 85% | 7.3 |
| August | 82% | 6.1 |
| September | 78% | 4.7 |
| October | 66% | 2.9 |
| November | 61% | 1.8 |
| December | 58% | 1.3 |
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 many heating and cooling degree days does Lamar Ranger Station record?
A normal year at Lamar Ranger Station brings 10,083 heating degree days, 88% more than the median U.S. place (5,373), and 23 cooling degree days, 97% fewer than the median (908). Ten months need 300 or more heating degree days, a monthly mean of about 55°F or colder. For gardens and crops, NOAA counts 976 growing degree days a year above 50°F.
| Month | Heating | Cooling |
|---|---|---|
| January | 1,586 | 0 |
| February | 1,317 | 0 |
| March | 1,187 | 0 |
| April | 842 | 0 |
| May | 584 | 0 |
| June | 355 | 2 |
| July | 122 | 15 |
| August | 174 | 7 |
| September | 388 | 0 |
| October | 784 | 0 |
| November | 1,193 | 0 |
| December | 1,551 | 0 |
| Year (annual) | 10,083 | 23 |
Source: NOAA NCEI 1991-2020 monthly normals, station USC00485355. 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.
Have recent years at Lamar Ranger Station been warmer than normal?
2025 averaged 38.9°F, 1.6°F above the 1991-2020 normal of 37.3°F. 2 of the 4 complete years since 2021 ran warmer than the normal.
| Year | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 38.0°F | +0.7°F | 13.92 |
| 2022 | 35.4°F | −1.9°F | 17.91 |
| 2023 | 36.4°F | −0.9°F | 18.93 |
| 2025 | 38.9°F | +1.6°F | 17.98 |
Source: observed years: ACIS, station USC00485355. A year counts only with all twelve months complete.
How does Lamar Ranger Station's climate compare?
Lamar Ranger Station is warmer than 5 of the 71 places with their own NOAA record in Wyoming, and wetter than 55. Across the 7,247 U.S. stations with normals, its annual mean of 37.3°F is warmer than 3%.
In the Köppen classification computed from these normals, Lamar Ranger Station is Dfb: continental, no dry season, warm summer. 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 Lamar Ranger Station's climate
What is the coldest month at Lamar Ranger Station?
January, with a normal high of 27°F and a normal low of 1°F. The warmest is July (82°F by day, 42°F at night).
Does it snow at Lamar Ranger Station?
Yes. NOAA publishes no 1991-2020 snowfall normal for the station; the nearest record that keeps one, Tower Falls (9 miles away), records 94 inches of snow in a normal year.
What is the rainiest month at Lamar Ranger Station?
June, with 2.46 in of precipitation in a normal year; the driest is February with 1.09 in.
What plant hardiness zone is Lamar Ranger Station in?
The USDA's 2023 map puts Lamar Ranger Station in zone 4b in ZIP code 59020, the nearest ZIP area.
Nearby and next
- Wyoming climateThe statewide normals and every place in the state
- Tower Falls, WY9 miles from this station, 36.9°F a year
- Cooke City, MT15 miles from this station, 34.2°F a year
- Silver Gate, MT16 miles from this station, 34.3°F a year
- Yellowstone Park Mammoth, WY23 miles from this station, 40.8°F a year
- Compare two placesMonth by month, side by side
Download these normals (CSV) · JSON · How these figures are made