Grace, ID 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 Grace's primary NOAA station, GRACE.
The climate verdict for Grace
Dryness leads the climate profile for Grace, Idaho, with 15.1 inches of precipitation a year. NOAA records an annual average of 44°F. At 40/100 (moderate) the climate comfort score falls in the bottom third of the station-mapped U.S. score corpus, exceeding only 6% of scores.
- 44°F
- yearly average temperature, NOAA normal
- 40/100
- comfort score, above 6% of station-mapped location scores
- 15.1"
- annual precipitation
- 111 days
- growing season, frost-free days
Grace: NOAA 1991-2020 normals describe a typical year, not a forecast. Method: /methodology.
Normals record plate
Sheet USC00103732 · Grace, ID 44°F mean · 15.1" precip
TEMP-COOL · RANK-COOL · PHOTO-FINISH · PRCP-DRY · SWING-WIDE · COMF-LOW · LOAD-HEAT · STN-1 · BOOK-FULL
- TEMP-COOL 44°F
- RANK-COOL #961
- PHOTO-FINISH ≈ Conrad
- PRCP-DRY 15.1"
- SWING-WIDE 46°F
- COMF-LOW 40/100
- LOAD-HEAT 7,955 HDD
- STN-1 USC00103732
- BOOK-FULL 6/6 fields
Nearest mean-temperature peer: Conrad, MT (+ 0 °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 ID station list.
- Grace (this station) 44°F
- Hot Gibson, MT 44°F
- Near Conrad, MT 44°F
- Near Rawlins, WY 44°F
- Near Harlowton, MT 44°F
Climate Living Index · Grace
Grace: 17/100 · grade F
Grace publishes 4 of 6 Living Index dimensions (NOAA annual/seasonal normals · NOAA daily multivariate normals); 2 missing weights rescale to 100.
PlainClimate-derived for Grace, not an official NOAA rating. Rankings still use Comfort Score 40/100 (separate formula). Breakpoints and limits.
| Dimension | Station value | Score |
|---|---|---|
| Precipitation balance | 15.1 in · 19.9 from 35 in | 28/100 · F |
| Normal heat + freeze calendar | 192 calendar days | 18/100 · F |
| Annual temperature balance | 43.7°F · 23.8° from 67.5°F | 15/100 · F |
| Frost-free season | 111 days/year | 3/100 · F |
Grace · 2026-08-04 · NOAA NCEI Climate Normals · method · Comfort Score method.
Grace is a continental Köppen climate: Dfb
Coldest-month mean 21.9°F and warmest-month mean 67.7°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
- 67.7°F
- Coldest month
- 21.9°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 Grace sits across the climate record
Three NOAA fields for Grace's primary station, temperature, precipitation, and seasonal swing, are ranked against every station-mapped normal that carries the same field.
- Annual temperature
- Cooler than 86%
- Among 6,861 stations, Grace sits in the cooler third of annual means.
- Annual precipitation
- Drier than 83%
- Grace's annual total ranks in the drier third of 6,352 measured normals.
- Seasonal temperature swing
- 63rd percentile swing
- Typical seasonal amplitude versus 6,861 complete station-years.
How Grace compares across U.S. station-mapped locations
Grace's comfort score vs. all station-mapped locations
PlainClimate composite comfort index (1–100), NOAA 1991–2020 normals
40 6th percentile score exceeds 6% 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%). Below this entry.
- 30–40: 280 station-mapped locations (5%). Below this entry.
- 40–50: 1,113 station-mapped locations (18%). This entry sits in this band.
- 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
Grace's measured station temperature trend
MethodologyAcross 81 complete annual observations from 1909 to 2025, GRACE warmed at a fitted rate of 0.12°C per decade. The line shows the fitted change relative to its first year, not raw year-to-year temperatures or a forecast.
- Grace primary station fitted change +0.12 °C/decade
Monthly Temperatures
Average daily high and low temperatures by month
| Month | Avg High | Avg Low | Mean | Precip | Freeze Days | 90°F+ Days |
|---|---|---|---|---|---|---|
| January | 31°F (-1°C) | 13°F (-10°C) | 22°F (-6°C) | 1.1" | 30.8 | 0.0 |
| February | 34°F (1°C) | 16°F (-9°C) | 25°F (-4°C) | 1.0" | 27.2 | 0.0 |
| March | 44°F (7°C) | 24°F (-5°C) | 34°F (1°C) | 1.3" | 28.0 | 0.0 |
| April | 54°F (12°C) | 31°F (-1°C) | 42°F (6°C) | 1.4" | 21.0 | 0.0 |
| May | 64°F (18°C) | 38°F (3°C) | 51°F (10°C) | 2.4" | 8.4 | 0.0 |
| June | 74°F (24°C) | 44°F (7°C) | 59°F (15°C) | 1.3" | 1.9 | 1.8 |
| July | 85°F (30°C) | 50°F (10°C) | 68°F (20°C) | 0.8" | 0.1 | 12.3 |
| August | 84°F (29°C) | 49°F (9°C) | 66°F (19°C) | 1.0" | 0.4 | 9.9 |
| September | 73°F (23°C) | 41°F (5°C) | 57°F (14°C) | 1.4" | 4.8 | 1.2 |
| October | 59°F (15°C) | 32°F (0°C) | 45°F (7°C) | 1.4" | 20.1 | 0.1 |
| November | 43°F (6°C) | 23°F (-5°C) | 33°F (0°C) | 0.9" | 27.1 | 0.0 |
| December | 32°F (0°C) | 14°F (-10°C) | 23°F (-5°C) | 1.0" | 30.2 | 0.0 |
The year, day by day
Summer here tops out rather than builds: the warmest normal high is 87°F around July 25, short of 90°F on every date, while 192 dates carry a normal low at or below freezing, the coldest 13°F near January 1.
The freezing stretch
The normal low stays at or below 32°F into April 23, then returns to freezing around October 15, covering 192 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 21, when 37% of years recorded at least a hundredth of an inch. The driest is July 9 at 16%. Summed across the calendar, that is about 99 wet dates a year.
The widest day
August 4 carries the biggest normal gap between afternoon and dawn, 36°F between the normal high and the normal low.
Look up any date
Any date's 1991–2020 normal for Grace.
Where Grace Stands Nationally
Freezing is routine here by normals standards — the normal low reaches 32°F or colder on about 192 nights a year, more than most ranked stations.
A drier-than-most normal water year — around 15 inches, below what four out of five ranked stations collect.
Grace earns 2 nationally notable standings (outer quintiles) against 6,860 NOAA 1991–2020 normals stations; only those extremes render.
Monthly Precipitation
Average monthly rainfall
9.4 days with precipitation
8.8 days with precipitation
9.1 days with precipitation
10.0 days with precipitation
11.5 days with precipitation
7.0 days with precipitation
4.9 days with precipitation
6.0 days with precipitation
6.3 days with precipitation
7.8 days with precipitation
8.1 days with precipitation
10.2 days with precipitation
Grace spreads its precipitation across the year
Neither half of the year dominates here: June through August take 21% of the annual total and December through February 21%, with neither reaching the 35% that would mark a distinct wet season. Grace has no dry season to plan around, though it does carry a wide 45.8°F gap between its warmest and coldest month.
The gap between the wettest and driest month still matters: May averages 2.4" and July 0.8". The three wettest months together take 35% 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.
Grace is dry, and what does fall arrives gently
Only about 99 days a year record measurable precipitation here, 27% of the calendar, and they carry 15.0" between them. At roughly 0.15 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 12 wet days; the driest is July 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.
Frost Dates & Growing Season
First Fall Freeze
September 17
50% probability date
Last Spring Freeze
May 29
50% probability date
Growing Season
111 days
Heating & Cooling Degree Days
Annual totals indicate energy demand for heating and cooling
Heating Degree Days
7,955
Higher = more heating needed
Cooling Degree Days
238
Higher = more cooling needed
Warmest Month
July
Coldest Month
January
Nationwide similar cities
Other rankable U.S. places outside ID closest to Grace 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 (44°F here).
- Baggs, WY 44°F · 0.0°F off
- Beach, ND 44°F · 0.0°F off
- Benson, MN 44°F · 0.0°F off
- Cheboygan, MI 44°F · 0.0°F off
Closest by annual precipitation
Nearest out-of-state peers by annual precipitation (15.1" here), excluding temperature-peer places.
- Fortine, MT 15.1" · 0.0" off
- Fossil, OR 15.1" · 0.0" off
- Lacrosse, WA 15.1" · 0.0" off
- Fillmore, UT 15.0" · 0.0" off
Data-derived climate profile
How Grace's climate pattern fits together
heating led · dry · mid swing
Grace's energy balance leans toward cold weather: 7,955 annual heating degree days against 238 for cooling. Its 45.8°F seasonal range still makes the monthly rows more useful than the annual average alone.
Only about 111 days are frost-free in a normal year. That short interval is consistent with the cold-season signal, but the measure does not predict the exact first or last freeze in any one year.
July and January mark the typical warm and cold ends of the calendar in Grace's middle-range seasonal profile. The measured spread is 45.8°F. The annual average is 44°F. Neither the annual mean nor one extreme month represents the full calendar on its own.
Grace's cold-season load does not imply a wet climate. Annual precipitation is 15.1 inches, which places the station in PlainClimate's dry range. Snowfall is not added to the interpretation because its annual value is missing. The snowfall and rainfall fields should be read separately rather than inferred from temperature.
These labels group NOAA 1991-2020 normals from Grace's primary station, so the winter figures are a thirty-year average and not a floor: a single hard season can run well below them. Treat each band as a descriptive range for Grace, not an official NOAA class or a year-ahead forecast.
Questions about Grace's climate
How much rain does Grace get? ▼
How cold does Grace get in winter? ▼
How much energy does heating and cooling require in Grace? ▼
Data Sources
Data source: NOAA U.S. Climate Normals v1.0.1 (1991-2020). All figures on this page are from Grace's primary station: GRACE (USC00103732). For informational purposes only.
Place identity: U.S. Census Bureau 2024 Gazetteer places. The 2024 Census Gazetteer identifies the exact name-and-state match as an incorporated place (GEOID 1632500). Match rule for Grace: exact normalized name + state only, no fuzzy expansion, so nearby differently spelled facilities stay unmatched.
On this page every temperature, precipitation, and derived score for Grace 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.