Boulder Rearing Stn, WY Climate: Temperature & Rain by Month
Annual temperature and rainfall from NOAA NCEI's 1991–2020 normals →; comfort score computed by PlainClimate
30-year climate normals (1991-2020) from Boulder Rearing Stn's primary NOAA station, BOULDER REARING STN.
The climate verdict for Boulder Rearing Stn
Dryness leads the climate profile for Boulder Rearing Stn, Wyoming, with 9.3 inches of precipitation a year. NOAA records an annual average of 36°F. At 29/100 (below average) the climate comfort score falls in the bottom third of the station-mapped U.S. score corpus, exceeding only 1% of scores.
- 36°F
- average temperature, NOAA 1991-2020 normal
- 29/100
- comfort score, above 1% of station-mapped location scores
- 9.3"
- annual precipitation · 42" snow
Boulder Rearing Stn: NOAA 1991-2020 normals describe a typical year, not a forecast. Method: /methodology.
Normals record plate
Sheet USC00480951 · Boulder Rearing Stn, WY 36°F mean · 9.3" precip
TEMP-COLD · RANK-COOL · PHOTO-FINISH · PRCP-ARID · SWING-WIDE · COMF-LOW · LOAD-HEAT · STN-1 · BOOK-FULL
- TEMP-COLD 36°F
- RANK-COOL #137
- PHOTO-FINISH ≈ Yellowstone Nat…
- PRCP-ARID 9.3"
- SWING-WIDE 51°F
- COMF-LOW 29/100
- LOAD-HEAT 10,552 HDD
- STN-1 USC00480951
- BOOK-FULL 6/6 fields
Nearest mean-temperature peer: Yellowstone National Park E Ent, WY (+ 0.1 °F mean)
Instrument codes from this station's NOAA 1991–2020 normals, mean temperature, corpus warmth rank, photo-finish peer station, precipitation band, seasonal swing, comfort composite, degree-day load, and field book, not a livability rating.
Mean-temperature neighbourhood
Nationwide NOAA normal poles and nearest peers, not a reprint of every WY station list.
- Boulder Rearing (this station) 36°F
- Cold Talkeetna, AK 36°F
- Hot Amber Lake, AK 36°F
- Near Yellowstone Nat…, WY 36°F
- Near St Paul Island, AK 36°F
Boulder Rearing Stn sits in Wyoming, the #5 coldest U.S. state at 43.3°F statewide annual average - see all 50 coldest states ranked by NOAA normals
Climate Living Index · Boulder Rearing Stn
Boulder Rearing Stn: 5/100 · grade F
Boulder Rearing Stn publishes 4 of 6 Living Index dimensions (NOAA annual/seasonal normals · NOAA daily multivariate normals); 2 missing weights rescale to 100.
PlainClimate-derived for Boulder Rearing Stn, not an official NOAA rating. Rankings still use Comfort Score 29/100 (separate formula). Breakpoints and limits.
| Dimension | Station value | Score |
|---|---|---|
| Snowfall burden | 42.1 inches/year | 26/100 · F |
| Precipitation balance | 9.3 in · 25.7 from 35 in | 10/100 · F |
| Annual temperature balance | 36.0°F · 31.5° from 67.5°F | 0/100 · F |
| Normal heat + freeze calendar | 261 calendar days | 0/100 · F |
Boulder Rearing Stn · 2026-08-04 · NOAA NCEI Climate Normals · method · Comfort Score method.
Boulder Rearing Stn is a continental Köppen climate: Dfb
Coldest-month mean 9.9°F and warmest-month mean 61.1°F place this station in continental, no dry season, warm summer climates (Dfb). Class Dfb is the Peel et al. (2007) label for this station's monthly mean temperature and precipitation normals: continental, specifically continental, no dry season, warm summer.
- Köppen code
- Dfb
- Group
- Continental
- Warmest month
- 61.1°F
- Coldest month
- 9.9°F
Source: official public datasets monthly normals (1991–2020) at the city’s primary station. This is a station classification, not a mapped regional consensus.
National standing · heating-led station
Where Boulder Rearing Stn sits across the climate record
Three NOAA fields for Boulder Rearing Stn's primary station, temperature, precipitation, and seasonal swing, are ranked against every station-mapped normal that carries the same field.
- Annual temperature
- Cooler than 98%
- Among 6,861 stations, Boulder Rearing Stn sits in the cooler third of annual means.
- Annual precipitation
- Drier than 95%
- Boulder Rearing Stn's annual total ranks in the drier third of 6,352 measured normals.
- Seasonal temperature swing
- Wider than 84%
- Warmest-to-coldest month gap for Boulder Rearing Stn is large versus 6,861 complete station-years.
How Boulder Rearing Stn compares across U.S. station-mapped locations
Boulder Rearing Stn's comfort score vs. all station-mapped locations
PlainClimate composite comfort index (1–100), NOAA 1991–2020 normals
29 1st percentile score exceeds 1% of 6,189 station-mapped location scores
- 0–10: 0 station-mapped locations (0%). Below this entry.
- 10–20: 0 station-mapped locations (0%). Below this entry.
- 20–30: 96 station-mapped locations (2%). This entry sits in this band.
- 30–40: 280 station-mapped locations (5%). Above this entry.
- 40–50: 1,113 station-mapped locations (18%). Above this entry.
- 50–60: 1,329 station-mapped locations (21%). Above this entry.
- 60–70: 1,236 station-mapped locations (20%). Above this entry.
- 70–80: 650 station-mapped locations (11%). Above this entry.
- 80–90: 921 station-mapped locations (15%). Above this entry.
- 90–100: 564 station-mapped locations (9%). Above this entry.
Source NOAA U.S. Climate Normals, PlainClimate comfort index · 1991–2020
Boulder Rearing Stn's measured station temperature trend
MethodologyAcross 30 complete annual observations from 1992 to 2025, BOULDER REARING STN warmed at a fitted rate of 0.18°C per decade. The line shows the fitted change relative to its first year, not raw year-to-year temperatures or a forecast.
- Boulder Rearing Stn primary station fitted change +0.18 °C/decade
Monthly Temperatures
Average daily high and low temperatures by month
| Month | Avg High | Avg Low | Mean | Precip | Snow | Freeze Days | 90°F+ Days |
|---|---|---|---|---|---|---|---|
| January | 27°F (-3°C) | -7°F (-22°C) | 10°F (-12°C) | 0.5" | 6.8" | 31.0 | 0.0 |
| February | 31°F (-1°C) | -5°F (-20°C) | 13°F (-10°C) | 0.5" | 7.3" | 28.0 | 0.0 |
| March | 42°F (5°C) | 9°F (-13°C) | 26°F (-4°C) | 0.5" | 5.3" | 30.9 | 0.0 |
| April | 53°F (12°C) | 20°F (-7°C) | 37°F (3°C) | 0.9" | 4.9" | 28.7 | 0.0 |
| May | 63°F (17°C) | 28°F (-2°C) | 46°F (8°C) | 1.4" | 1.9" | 20.3 | 0.0 |
| June | 73°F (23°C) | 36°F (2°C) | 54°F (12°C) | 1.3" | 0.2" | 7.3 | 0.1 |
| July | 82°F (28°C) | 41°F (5°C) | 61°F (16°C) | 0.7" | 0.0" | 1.1 | 1.6 |
| August | 81°F (27°C) | 39°F (4°C) | 60°F (15°C) | 0.7" | 0.0" | 3.4 | 0.5 |
| September | 71°F (22°C) | 30°F (-1°C) | 51°F (10°C) | 1.0" | 0.3" | 17.8 | 0.0 |
| October | 58°F (14°C) | 20°F (-7°C) | 39°F (4°C) | 0.9" | 3.6" | 29.1 | 0.0 |
| November | 42°F (5°C) | 8°F (-13°C) | 25°F (-4°C) | 0.5" | 4.9" | 29.9 | 0.0 |
| December | 29°F (-2°C) | -4°F (-20°C) | 13°F (-11°C) | 0.5" | 6.9" | 31.0 | 0.0 |
The year, day by day
Summer here tops out rather than builds: the warmest normal high is 83°F around July 27, short of 90°F on every date, while 261 dates carry a normal low at or below freezing, the coldest -7°F near January 7.
The freezing stretch
The normal low stays at or below 32°F into May 27, then returns to freezing around September 10, covering 261 dates in all.
Derived from the normal daily minimum. This is a different measure from the 50%-probability frost dates shown elsewhere on this page, which come from NOAA’s frost product.
Where the wet dates fall
The likeliest wet date is May 23, when 28% of years recorded at least a hundredth of an inch. The driest is October 20 at 16%. Summed across the calendar, that is about 75 wet dates a year.
The widest day
August 20 carries the biggest normal gap between afternoon and dawn, 42°F between the normal high and the normal low.
Look up any date
Any date's 1991–2020 normal for Boulder Rearing Stn.
Where Boulder Rearing Stn Stands Nationally
Winters bite deep and often: the normal nightly low dips to freezing or below on around 261 nights a year, placing this among the most frost-prone tenth of ranked stations.
Aridity defines the water calendar: about 9 inches in a normal year lands this among the driest tenth of ranked stations.
Boulder Rearing Stn earns 2 nationally notable standings (outer quintiles) against 6,860 NOAA 1991–2020 normals stations; only those extremes render.
Monthly Precipitation
Average monthly rainfall and snowfall
Snow: 6.8"
6.3 days with precipitation
Snow: 7.3"
6.0 days with precipitation
Snow: 5.3"
5.4 days with precipitation
Snow: 4.9"
6.8 days with precipitation
Snow: 1.9"
8.8 days with precipitation
Snow: 0.2"
6.9 days with precipitation
5.3 days with precipitation
5.7 days with precipitation
Snow: 0.3"
6.7 days with precipitation
Snow: 3.6"
5.2 days with precipitation
Snow: 4.9"
5.2 days with precipitation
Snow: 6.9"
6.6 days with precipitation
Boulder Rearing Stn spreads its precipitation across the year
Neither half of the year dominates here: June through August take 29% of the annual total and December through February 16%, with neither reaching the 35% that would mark a distinct wet season. Boulder Rearing Stn has no dry season to plan around, though it does carry a wide 51.2°F gap between its warmest and coldest month.
The gap between the wettest and driest month still matters: May averages 1.4" and November 0.5". The three wettest months together take 40% of the year, against the 25% a perfectly flat distribution would give them.
Shares are computed from this station's own 1991-2020 monthly precipitation normals. "Spread across the year" means neither the June-August nor the December-February share reaches 35%; it describes an average year, not the variability of any single one.
Boulder Rearing Stn is dry, and what does fall arrives gently
Only about 75 days a year record measurable precipitation here, 21% of the calendar, and they carry 9.3" between them. At roughly 0.12 inches on an average wet day, this is not the damp drizzle of a marine climate; it is an arid record in which precipitation is both uncommon and light when it appears.
The wettest month by count is May at about 9 wet days; the driest is October at about 5.
A low per-event average in a dry record is a statement about typical days only. Arid regions can still take a large share of a year's total from a single convective storm, which a normal cannot show.
A wet day is one recording at least 0.01 inches. These are 1991-2020 normals: they describe an average year, not the extremes within it.
Winter brings real snow to Boulder Rearing Stn
Boulder Rearing Stn averages 42.1 inches of snowfall a year, with February the snowiest month on the normals, spread across roughly 29 days that record measurable snow. That is depth accumulating on the ground, which is why it can exceed the annual precipitation figure: precipitation counts the liquid the snow melts down to, and fresh snow is mostly air.
- Annual snowfall: 42.1 inches of depth.
- Days recording measurable snow: about 29 a year.
- At a rough ten-to-one melt ratio, snow accounts for on the order of 45% of the year's precipitation.
NOAA 1991-2020 normals. The ten-to-one ratio is a convention, not a measurement: real ratios vary with temperature, so treat the share as an order of magnitude rather than an exact split.
Frost Dates & Growing Season
First Fall Freeze
N/A
50% probability date
Last Spring Freeze
N/A
50% probability date
Heating & Cooling Degree Days
Annual totals indicate energy demand for heating and cooling
Heating Degree Days
10,552
Higher = more heating needed
Cooling Degree Days
25
Higher = more cooling needed
Warmest Month
July
Coldest Month
January
Nationwide similar cities
Other rankable U.S. places outside WY closest to Boulder Rearing Stn on two NOAA annual-normal axes (mean temperature and annual precipitation). Chip rows use distinct link sets.
Closest by average temperature
Nearest out-of-state peers by annual mean temperature (36°F here).
- Fraser, CO 36°F · 0.0°F off
- Rolette, ND 36°F · 0.1°F off
- Talkeetna, AK 36°F · 0.1°F off
- Moose Pass, AK 36°F · 0.3°F off
Closest by annual precipitation
Nearest out-of-state peers by annual precipitation (9.3" here), excluding temperature-peer places.
- Minden, NV 9.3" · 0.0" off
- St George, UT 9.3" · 0.0" off
- Terlingua, TX 9.3" · 0.0" off
- Arlington, OR 9.3" · 0.0" off
Snow and freeze rhythm
When cold and snow define Boulder Rearing Stn
heating led · dry · mid swing
Boulder Rearing Stn's energy balance leans toward cold weather: 10,552 annual heating degree days against 25 for cooling. Its 51.2°F seasonal range still makes the monthly rows more useful than the annual average alone.
A frost-free growing-season length is not available for Boulder Rearing Stn. That missing field is kept separate from the observed temperature and precipitation record rather than filled from a regional estimate.
-
1. Boulder Rearing Stn coldest normal
January
Averaging 10°F (-12°C), this month sits below freezing for the month as a whole, not merely overnight.
-
2. Boulder Rearing Stn typical freeze period
January through December
The station reports average freezing days from January through December.
-
3. Boulder Rearing Stn snow peak
February
Boulder Rearing Stn averages 42.1 inches of snow a year, with February the snowiest month on the normals.
Questions about Boulder Rearing Stn's climate
How much snow does Boulder Rearing Stn get? ▼
How cold does Boulder Rearing Stn get in winter? ▼
How much energy does heating and cooling require in Boulder Rearing Stn? ▼
Data Sources
Data source: NOAA U.S. Climate Normals v1.0.1 (1991-2020). All figures on this page are from Boulder Rearing Stn's primary station: BOULDER REARING STN (USC00480951). For informational purposes only.
Place identity: U.S. Census Bureau 2024 Gazetteer places. The conservative exact name-and-state crosswalk finds no Census place match, so PlainClimate treats this as a station-mapped location and does not claim it is a municipality. No exact Gazetteer row for Boulder Rearing Stn; facility counts that depend on place identity are therefore an upper bound, not a municipal census.
On this page every temperature, precipitation, and derived score for Boulder Rearing Stn comes from its primary NOAA station record. No figure on this page is typed in by an editor - each value is rendered from NOAA 1991-2020 U.S. Climate Normals. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of 1991–2020 normals.