Holbrook, AZ 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 Holbrook's primary NOAA station, HOLBROOK.
The climate verdict for Holbrook
Dryness leads the climate profile for Holbrook, Arizona, with 8.1 inches of precipitation a year. NOAA records an annual average of 57°F. Its climate comfort score of 63/100 (good) lands mid-pack nationally, exceeding 46% of station-mapped location scores.
- 57°F
- annual average temperature (NOAA normal)
- 63/100
- comfort score, above 46% of station-mapped location scores
- 8.1"
- annual precipitation · 3" snow
- 185 days
- frost-free days per growing season
Holbrook: NOAA 1991-2020 normals describe a typical year, not a forecast. Method: /methodology.
Normals record plate
Sheet USC00024089 · Holbrook, AZ 57°F mean · 8.1" precip
TEMP-MILD · RANK-UPPER · PHOTO-FINISH · PRCP-ARID · SWING-MID · COMF-MID · LOAD-HEAT · STN-1 · BOOK-FULL
- TEMP-MILD 57°F
- RANK-UPPER #4,460
- PHOTO-FINISH ≈ Veyo Powerhouse
- PRCP-ARID 8.1"
- SWING-MID 43°F
- COMF-MID 63/100
- LOAD-HEAT 4,269 HDD
- STN-1 USC00024089
- BOOK-FULL 6/6 fields
Nearest mean-temperature peer: Veyo Powerhouse, UT (+ 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 AZ station list.
- Holbrook (this station) 57°F
- Cold Mccarty Rch, NM 57°F
- Hot Corbin, VA 57°F
- Near Veyo Powerhouse, UT 57°F
- Near Huntington Tri…, WV 57°F
Climate Living Index · Holbrook
Holbrook: 38/100 · grade F
Holbrook publishes 5 of 6 Living Index dimensions (NOAA annual/seasonal normals · NOAA daily multivariate normals); 1 missing weight rescale to 100.
PlainClimate-derived for Holbrook, not an official NOAA rating. Rankings still use Comfort Score 63/100 (separate formula). Breakpoints and limits.
| Dimension | Station value | Score |
|---|---|---|
| Snowfall burden | 3.3 inches/year | 73/100 · B |
| Annual temperature balance | 56.6°F · 10.9° from 67.5°F | 65/100 · C |
| Frost-free season | 185 days/year | 54/100 · D |
| Precipitation balance | 8.1 in · 26.9 from 35 in | 8/100 · F |
| Normal heat + freeze calendar | 216 calendar days | 7/100 · F |
Holbrook · 2026-08-04 · NOAA NCEI Climate Normals · method · Comfort Score method.
Holbrook's normals sit in a dry climate class: BWk
Annual precipitation falls well below the aridity threshold for this temperature regime, so the normals classify as cold desert (BWk). Class BWk is the Peel et al. (2007) label for this station's monthly mean temperature and precipitation normals: dry (arid or semi-arid), specifically cold desert.
- Köppen code
- BWk
- Group
- Dry (arid or semi-arid)
- Warmest month
- 78.3°F
- Coldest month
- 35.6°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 Holbrook sits across the climate record
Three NOAA fields for Holbrook's primary station, temperature, precipitation, and seasonal swing, are ranked against every station-mapped normal that carries the same field.
- Annual temperature
- 65th percentile warmth
- Mid-pack annual mean versus 6,861 station normals.
- Annual precipitation
- Drier than 97%
- Holbrook's annual total ranks in the drier third of 6,352 measured normals.
- Seasonal temperature swing
- 47th percentile swing
- Typical seasonal amplitude versus 6,861 complete station-years.
How Holbrook compares across U.S. station-mapped locations
Holbrook's comfort score vs. all station-mapped locations
PlainClimate composite comfort index (1–100), NOAA 1991–2020 normals
63 46th percentile score exceeds 46% 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%). Below this entry.
- 50–60: 1,329 station-mapped locations (21%). Below this entry.
- 60–70: 1,236 station-mapped locations (20%). This entry sits in this band.
- 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
Monthly Temperatures
Average daily high and low temperatures by month
| Month | Avg High | Avg Low | Mean | Precip | Snow | Freeze Days | 90°F+ Days |
|---|---|---|---|---|---|---|---|
| January | 51°F (11°C) | 22°F (-6°C) | 37°F (3°C) | 0.7" | 0.5" | 28.0 | 0.0 |
| February | 57°F (14°C) | 25°F (-4°C) | 41°F (5°C) | 0.3" | 0.5" | 23.1 | 0.0 |
| March | 65°F (18°C) | 31°F (-1°C) | 48°F (9°C) | 0.5" | 0.6" | 20.8 | 0.0 |
| April | 72°F (22°C) | 37°F (3°C) | 55°F (13°C) | 0.3" | 0.5" | 8.5 | 0.4 |
| May | 81°F (27°C) | 46°F (8°C) | 64°F (18°C) | 0.3" | 0.0" | 0.6 | 4.2 |
| June | 92°F (33°C) | 55°F (13°C) | 73°F (23°C) | 0.3" | 0.0" | 0.0 | 19.3 |
| July | 94°F (35°C) | 62°F (17°C) | 78°F (26°C) | 1.1" | 0.0" | 0.0 | 25.1 |
| August | 91°F (33°C) | 61°F (16°C) | 76°F (25°C) | 1.7" | 0.0" | 0.0 | 20.2 |
| September | 86°F (30°C) | 54°F (12°C) | 70°F (21°C) | 1.1" | 0.0" | 0.0 | 6.9 |
| October | 75°F (24°C) | 41°F (5°C) | 58°F (14°C) | 0.9" | 0.0" | 4.8 | 0.6 |
| November | 61°F (16°C) | 29°F (-2°C) | 45°F (7°C) | 0.5" | 0.6" | 22.4 | 0.0 |
| December | 50°F (10°C) | 22°F (-6°C) | 36°F (2°C) | 0.4" | 0.6" | 28.3 | 0.0 |
The year, day by day
Holbrook works both ends of the calendar. Normal highs climb to 95°F by July 5 and hold at or above 90°F on 78 dates, then normal lows drop to freezing or below on 138 dates, bottoming at 21°F around December 19.
When the heat sits
Normal highs reach 90°F from June 9 through August 25, covering 78 dates. The broader mild season, normal highs of 70°F or more, runs April 6 to October 27.
This counts calendar dates whose 1991–2020 normal high reaches 90°F. It is a smaller number than the 90°F+ day counts in the monthly table above, which measure how often the threshold was actually crossed in a typical year. A date can average 88°F and still exceed 90°F in half of all years.
The freezing stretch
The normal low stays at or below 32°F into March 23, then returns to freezing around November 7, covering 138 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 August 10, when 24% of years recorded at least a hundredth of an inch. The driest is April 28 at 6%. Summed across the calendar, that is about 46 wet dates a year.
The widest day
June 3 carries the biggest normal gap between afternoon and dawn, 38°F between the normal high and the normal low.
Look up any date
Any date's 1991–2020 normal for Holbrook.
Where Holbrook Stands Nationally
Aridity defines the water calendar: about 8 inches in a normal year lands this among the driest tenth of ranked stations.
Day-to-night contrast is extreme by national standards — the widest normal daily swing reaches about 38°F, sharper than nine in ten ranked stations see.
Holbrook 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: 0.5"
3.9 days with precipitation
Snow: 0.5"
3.5 days with precipitation
Snow: 0.6"
4.2 days with precipitation
Snow: 0.5"
2.2 days with precipitation
2.4 days with precipitation
1.7 days with precipitation
5.3 days with precipitation
7.4 days with precipitation
4.6 days with precipitation
3.3 days with precipitation
Snow: 0.6"
2.7 days with precipitation
Snow: 0.6"
4.2 days with precipitation
Holbrook runs a summer-peaked wet season
37% of Holbrook's yearly precipitation falls in June, July and August alone, against the 25% an evenly spread year would give those three months. The wettest month is August at 1.7", on a 42.7°F seasonal spread. Warm-season convection and, across the Southwest, the North American monsoon produce this shape: rain arrives in short heavy bursts during the hottest part of the year rather than as long cool-season soaking.
- Wettest three months: August, September, July, taking 48% of the annual total between them.
- Driest month: June at 0.3".
- Winter share: 19% falls in December, January and February.
Shares are computed from this station's own 1991-2020 monthly precipitation normals. A summer-peaked label means the June-August share reaches 35%; it describes timing across an average year, not any single season, and says nothing about how heavy an individual storm can be.
Holbrook is dry, and what does fall arrives gently
Only about 45 days a year record measurable precipitation here, 12% of the calendar, and they carry 8.1" between them. At roughly 0.18 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 August at about 7 wet days; the driest is June at about 2.
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.
Snow reaches Holbrook, but rarely amounts to much
The normals record 3.3 inches of snow a year here, most likely in March. That is a real but marginal amount: enough that snow is part of the local record, not enough to define the winter.
A figure in this range usually reflects a handful of events that melt quickly rather than a season of accumulation; about 2 days a year record any measurable snow at all.
NOAA 1991-2020 normals. An average across thirty years can smooth away a single heavy winter, so a small annual figure does not mean a significant snowfall is impossible.
Frost Dates & Growing Season
First Fall Freeze
October 24
50% probability date
Last Spring Freeze
April 22
50% probability date
Growing Season
185 days
Heating & Cooling Degree Days
Annual totals indicate energy demand for heating and cooling
Heating Degree Days
4,269
Higher = more heating needed
Cooling Degree Days
1,237
Higher = more cooling needed
Warmest Month
July
Coldest Month
December
Nationwide similar cities
Other rankable U.S. places outside AZ closest to Holbrook 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 (57°F here).
- Albion, IL 57°F · 0.0°F off
- Buchanan, VA 57°F · 0.0°F off
- Calico Rock, AR 57°F · 0.0°F off
- Eminence, MO 57°F · 0.0°F off
Closest by annual precipitation
Nearest out-of-state peers by annual precipitation (8.1" here), excluding temperature-peer places.
- Idaho Falls, ID 8.2" · 0.0" off
- Reno, NV 8.1" · 0.0" off
- Coalinga, CA 8.2" · 0.0" off
- Bloomfield, NM 8.1" · 0.1" off
Scarce-water calendar
Where Holbrook's limited precipitation lands
heating led · dry · mid swing
Holbrook's energy balance leans toward cold weather: 4,269 annual heating degree days against 1,237 for cooling. Its 42.7°F seasonal range still makes the monthly rows more useful than the annual average alone.
Holbrook's frost-free season lasts about 185 days, a middle-length window whose endpoints matter more than the annual average. It describes freeze probability, not year-specific planting conditions.
July and December mark the typical warm and cold ends of the calendar in Holbrook's middle-range seasonal profile. The measured spread is 42.7°F. The annual average is 57°F. Neither the annual mean nor one extreme month represents the full calendar on its own.
Holbrook's cold-season load does not imply a wet climate. Annual precipitation is 8.1 inches, which places the station in PlainClimate's dry range. Annual snowfall totals 3.3 inches. The snowfall and rainfall fields should be read separately rather than inferred from temperature.
Holbrook wettest normal
August
August concentrates the scarce annual total (8.1 inches).
Holbrook driest normal
June
June is typically driest; arid stations are defined by when water is absent, not by a four-season grid.
Questions about Holbrook's climate
How dry is Holbrook? ▼
How many days above 90°F does Holbrook get? ▼
How much energy does heating and cooling require in Holbrook? ▼
Data Sources
Data source: NOAA U.S. Climate Normals v1.0.1 (1991-2020). All figures on this page are from Holbrook's primary station: HOLBROOK (USC00024089). 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 0433280). Match rule for Holbrook: 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 Holbrook 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.