Tensleep (16 mi SSE), Wyoming climate: Climate normals at a NOAA weather station
Tensleep (16 mi SSE)'s normal year runs from 1°F January nights to 86°F July afternoons, with 14.0 inches of precipitation and 63 inches of snow a year. (NOAA 1991-2020 normals)
In metric: a yearly mean of 5.6°C, January lows of −17°C, July highs of 30°C, 355 mm of precipitation a year.
- NOAA stationTensleep (16 mi SSE)
- Station IDUSC00488858
- Location43.81°N 107.37°W
- Elevation4,680 ft (1,427 m)
On October 23, the normal high in Tensleep (16 mi SSE) is 55°F and the normal low 24°F, and the chance of measurable rain or snow is 22%.
Normals describe a typical year at the station, not a forecast. The National Weather Service forecast for Tensleep (16 mi SSE).
- Jan 34° 1°
- Feb 36° 5°
- Mar 47° 19°
- Apr 55° 27°
- May 65° 37°
- Jun 76° 46°
- Jul 86° 52°
- Aug 84° 48°
- Sep 73° 38°
- Oct 58° 27°
- Nov 45° 14°
- Dec 35° 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 Tensleep (16 mi SSE) each month?
July is the warmest month, with normal highs of 86°F; January the coldest, with normal lows of 1°F. The most precipitation falls in May (2.31 in), the least in January (0.59 in).
| Month | High | Low | Mean | Precip. | Snow | Wet days | 90°F days | Freezing nights | Daylight |
|---|---|---|---|---|---|---|---|---|---|
| January | 34°F | 1°F | 17.4°F | 0.59 | 10.2 | 6 | <1 | 31 | 9 h 20 min |
| February | 36°F | 5°F | 20.9°F | 0.73 | 10.5 | 7 | <1 | 28 | 10 h 30 min |
| March | 47°F | 19°F | 32.9°F | 1.12 | 9.4 | 7 | <1 | 30 | 11 h 50 min |
| April | 55°F | 27°F | 41.1°F | 1.70 | 6.4 | 9 | <1 | 24 | 13 h 20 min |
| May | 65°F | 37°F | 50.9°F | 2.31 | 0.9 | 10 | <1 | 8 | 14 h 40 min |
| June | 76°F | 46°F | 61.0°F | 1.45 | 0.0 | 8 | 3 | <1 | 15 h 30 min |
| July | 86°F | 52°F | 69.0°F | 0.97 | 0.0 | 6 | 13 | <1 | 15 h 10 min |
| August | 84°F | 48°F | 66.3°F | 0.76 | 0.0 | 5 | 9 | <1 | 14 h |
| September | 73°F | 38°F | 55.4°F | 1.25 | 0.3 | 6 | 1 | 7 | 12 h 30 min |
| October | 58°F | 27°F | 42.4°F | 1.45 | 5.2 | 7 | <1 | 25 | 11 h 10 min |
| November | 45°F | 14°F | 29.5°F | 0.83 | 8.6 | 6 | <1 | 30 | 9 h 40 min |
| December | 35°F | 3°F | 18.6°F | 0.81 | 11.2 | 7 | <1 | 31 | 9 h |
| Year (annual) | 58°F | 26°F | 42.1°F | 13.97 | 62.7 | 84 | 26 | 213 |
The same normals in °C and millimetres
| Month | High | Low | Mean | Precip. | Snow |
|---|---|---|---|---|---|
| January | 1°C | −17°C | −8.1°C | 15 mm | 26 cm |
| February | 2°C | −15°C | −6.2°C | 19 mm | 27 cm |
| March | 8°C | −7°C | 0.5°C | 28 mm | 24 cm |
| April | 13°C | −3°C | 5.1°C | 43 mm | 16 cm |
| May | 18°C | 3°C | 10.5°C | 59 mm | 2 cm |
| June | 25°C | 8°C | 16.1°C | 37 mm | 0 cm |
| July | 30°C | 11°C | 20.6°C | 25 mm | 0 cm |
| August | 29°C | 9°C | 19.1°C | 19 mm | 0 cm |
| September | 23°C | 3°C | 13.0°C | 32 mm | 1 cm |
| October | 14°C | −3°C | 5.8°C | 37 mm | 13 cm |
| November | 7°C | −10°C | −1.4°C | 21 mm | 22 cm |
| December | 2°C | −16°C | −7.4°C | 21 mm | 28 cm |
Source: NOAA NCEI 1991-2020 monthly normals, station USC00488858; 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 Tensleep (16 mi SSE)?
Normal highs sit between 65°F and 85°F in June, August and September. Of those, August has the fewest days with rain (5).
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 USC00488858.
When is the last frost at Tensleep (16 mi SSE)?
In Tensleep (16 mi SSE), the last spring frost (32°F) comes after May 22 in half of years and after June 7 in one year in ten; the first autumn frost comes before September 18 in half of years and before September 4 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
- May 221 year in 10 after June 7; 9 in 10 after May 10
- First autumn frost, half of years before
- September 181 year in 10 before September 4; 9 in 10 before September 30
NOAA puts the median frost-free season at 117 days, and the season without a hard freeze (28°F) at 141 days.
A hard freeze (28°F) comes after May 9 in half of springs and before September 28 in half of autumns.
The USDA's 2023 Plant Hardiness Zone Map puts Tensleep (16 mi SSE) in zone 5a in ZIP code 82442, the nearest ZIP area. By the map's own method, the average of each year's coldest night over 1991-2020, the station is in zone 3b: the coldest night of a typical year reaches −31°F (30 complete years); the map interpolates between stations and terrain, so the station and the ZIP area can differ by half a zone.
Frost dates for every NOAA station in Wyoming · Frost dates by ZIP code
Source: NOAA NCEI 1991-2020 annual normals (frost probabilities), station USC00488858; USDA 2023 Plant Hardiness Zone Map, ZIP listings: PRISM Group, Oregon State University, https://prism.oregonstate.edu, accessed October 8, 2026; the station zone: ACIS daily lows, 1991-2020. 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 at Tensleep (16 mi SSE)?
In a normal year in Tensleep (16 mi SSE), 26 days a year reach 90°F, 213 nights fall to 32°F or colder and 84 days bring measurable precipitation.
- Days at 90°F or more
- 26a normal year
- Days at 100°F or more
- fewer than 1a normal year
- Nights at 32°F or colder
- 213a normal year
- Days that stay below freezing
- 40high of 32°F or less
- Days with 0.01 inch of precipitation
- 84a normal year
- Days with 1 inch of snow or more
- 23a normal year
The highest temperature in this station's record (since 1959) is 107°F, on July 12, 2026; the lowest is −51°F, on December 22, 1990.
The wettest calendar year on that record is 2017, with 19.57 in; the snowiest season is 2012–13, with 104.9 inches.
Source: NOAA NCEI 1991-2020 annual normals, station USC00488858; records: ACIS (NOAA Regional Climate Centers), station USC00488858. Records use complete months only; a month missing more than three days is left out.
How sunny is it at Tensleep (16 mi SSE)?
Over a year 80% of the sunlight that would reach the ground under clear skies gets through the clouds at Tensleep (16 mi SSE), 4.6 kWh per square metre a day. July is the sunniest month (88%) and December the cloudiest (69%).
| Month | Share of clear-sky sunshine | Sunshine, kWh/m² a day |
|---|---|---|
| January | 74% | 2.0 |
| February | 73% | 2.9 |
| March | 73% | 4.1 |
| April | 72% | 5.3 |
| May | 76% | 6.4 |
| June | 85% | 7.6 |
| July | 88% | 7.5 |
| August | 88% | 6.5 |
| September | 85% | 5.1 |
| October | 77% | 3.4 |
| November | 75% | 2.3 |
| December | 69% | 1.6 |
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 Tensleep (16 mi SSE) record?
A normal year at Tensleep (16 mi SSE) brings 8,606 heating degree days, 60% more than the median U.S. place (5,373), and 294 cooling degree days, 68% fewer than the median (908). Eight months need 300 or more heating degree days, a monthly mean of about 55°F or colder. For gardens and crops, NOAA counts 1,795 growing degree days a year above 50°F.
| Month | Heating | Cooling |
|---|---|---|
| January | 1,476 | 0 |
| February | 1,236 | 0 |
| March | 995 | 0 |
| April | 717 | 0 |
| May | 439 | 2 |
| June | 154 | 34 |
| July | 30 | 152 |
| August | 58 | 98 |
| September | 297 | 9 |
| October | 702 | 0 |
| November | 1,065 | 0 |
| December | 1,438 | 0 |
| Year (annual) | 8,606 | 294 |
Source: NOAA NCEI 1991-2020 monthly normals, station USC00488858. 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 Tensleep (16 mi SSE) been warmer than normal?
2023 averaged 43.3°F, 1.2°F above the 1991-2020 normal of 42.1°F. 2 of the 3 complete years since 2021 ran warmer than the normal.
| Year | Mean | Against normal | Precip. | Snow |
|---|---|---|---|---|
| 2021 | 43.8°F | +1.7°F | 12.09 | 58.9 |
| 2022 | 41.2°F | −0.9°F | 14.49 | 75.4 |
| 2023 | 43.3°F | +1.2°F | 17.03 | 58.0 |
Over 57 complete years from 1961 to 2023, the station's annual mean temperature rose at a fitted 2.9°F per century (+0.16°C per decade). A fitted rate summarizes the whole record; single years swing well above and below it.
Source: observed years: ACIS, station USC00488858; trend: NOAA GHCN-Monthly v4. A year counts only with all twelve months complete.
How does Tensleep (16 mi SSE)'s climate compare?
Tensleep (16 mi SSE) is warmer than 20 of the 71 places with their own NOAA record in Wyoming, and wetter than 40. Across the 7,247 U.S. stations with normals, its annual mean of 42.1°F is warmer than 10%.
In the Köppen classification computed from these normals, Tensleep (16 mi SSE) 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 Tensleep (16 mi SSE)'s climate
What is the coldest month at Tensleep (16 mi SSE)?
January, with a normal high of 34°F and a normal low of 1°F. The warmest is July (86°F by day, 52°F at night).
Does it snow at Tensleep (16 mi SSE)?
Yes: 63 inches in a normal year, falling on 34 days with 0.1 inch or more, the most in December (11.2 inches).
What is the rainiest month at Tensleep (16 mi SSE)?
May, with 2.31 in of precipitation in a normal year; the driest is January with 0.59 in.
What plant hardiness zone is Tensleep (16 mi SSE) in?
The USDA's 2023 map puts Tensleep (16 mi SSE) in zone 5a in ZIP code 82442, the nearest ZIP area. By the same method at the station, the coldest night of a typical year reaches −31°F (30 years, 1991-2020): zone 3b.
How late can frost come at Tensleep (16 mi SSE)?
In half of years the last 32°F night comes after May 22; in one year in ten it comes after June 7. Waiting until June 7 leaves about a one-in-ten chance of a later frost.
Nearby and next
- Wyoming climateThe statewide normals and every place in the state
- Tensleep (4 mi NE), WY17 miles from this station, 47.7°F a year
- Black Mountain, WY22 miles from this station, 46.8°F a year
- Worland, WY31 miles from this station, 44.6°F a year
- Kaycee, WY37 miles from this station, 45.2°F a year
- Compare two placesMonth by month, side by side
Download these normals (CSV) · JSON · How these figures are made