St Johns Industrial, AZ Climate: Temperature & Rain by Month
Pulled from NOAA NCEI 1991–2020 normals →: climate measurements used in PlainClimate's documented score
30-year climate normals (1991-2020) from St Johns Industrial's primary NOAA station, ST JOHNS INDUSTRIAL AP.
The climate verdict for St Johns Industrial
Dryness leads the climate profile for St Johns Industrial, Arizona, with 9.1 inches of precipitation a year. NOAA records an annual average of 54°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.
- 54°F
- yearly average temperature, NOAA normal
- 40/100
- comfort score, above 6% of station-mapped location scores
- 9.1"
- annual precipitation
- 160 days
- growing season, frost-free days
St Johns Industrial: NOAA 1991-2020 normals describe a typical year, not a forecast. Method: /methodology.
Normals record plate
Sheet USW00093027 · St Johns Industrial, AZ 54°F mean · 9.1" precip
TEMP-COOL · RANK-MID · PHOTO-FINISH · PRCP-ARID · SWING-MID · COMF-LOW · LOAD-HEAT · STN-1 · BOOK-FULL
- TEMP-COOL 54°F
- RANK-MID #3,979
- PHOTO-FINISH ≈ Clayton
- PRCP-ARID 9.1"
- SWING-MID 42°F
- COMF-LOW 40/100
- LOAD-HEAT 4,861 HDD
- STN-1 USW00093027
- BOOK-FULL 6/6 fields
Nearest mean-temperature peer: Clayton Muni Air Park, NM (+ 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 AZ station list.
- St Johns Indust… (this station) 54°F
- Cold Pineville, WV 54°F
- Hot Clayton, NM 54°F
- Near Waynesboro Wtp, VA 54°F
- Near W Liberty, KY 54°F
Climate Living Index · St Johns Industrial
St Johns Industrial: 30/100 · grade F
St Johns Industrial publishes 4 of 6 Living Index dimensions (NOAA annual/seasonal normals · NOAA daily multivariate normals); 2 missing weights rescale to 100.
PlainClimate-derived for St Johns Industrial, not an official NOAA rating. Rankings still use Comfort Score 40/100 (separate formula). Breakpoints and limits.
| Dimension | Station value | Score |
|---|---|---|
| Annual temperature balance | 54.2°F · 13.3° from 67.5°F | 57/100 · C |
| Frost-free season | 160 days/year | 33/100 · F |
| Normal heat + freeze calendar | 202 calendar days | 13/100 · F |
| Precipitation balance | 9.1 in · 25.9 from 35 in | 10/100 · F |
St Johns Industrial · 2026-08-04 · NOAA NCEI Climate Normals · method · Comfort Score method.
St Johns Industrial's normals sit in a dry climate class: BSk
Precipitation is low relative to temperature but above true desert thresholds: cold semi-arid steppe (BSk). Class BSk is the Peel et al. (2007) label for this station's monthly mean temperature and precipitation normals: dry (arid or semi-arid), specifically cold semi-arid steppe.
- Köppen code
- BSk
- Group
- Dry (arid or semi-arid)
- Warmest month
- 75.9°F
- Coldest month
- 33.6°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 St Johns Industrial sits across the climate record
Three NOAA fields for St Johns Industrial's primary station, temperature, precipitation, and seasonal swing, are ranked against every station-mapped normal that carries the same field.
- Annual temperature
- 58th percentile warmth
- Mid-pack annual mean versus 6,861 station normals.
- Annual precipitation
- Drier than 95%
- St Johns Industrial's annual total ranks in the drier third of 6,352 measured normals.
- Seasonal temperature swing
- 46th percentile swing
- Typical seasonal amplitude versus 6,861 complete station-years.
How St Johns Industrial compares across U.S. station-mapped locations
St Johns Industrial'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
Monthly Temperatures
Average daily high and low temperatures by month
| Month | Avg High | Avg Low | Mean | Precip | Freeze Days | 90°F+ Days |
|---|---|---|---|---|---|---|
| January | 50°F (10°C) | 19°F (-7°C) | 34°F (1°C) | 0.4" | 28.1 | 0.0 |
| February | 55°F (13°C) | 23°F (-5°C) | 39°F (4°C) | 0.5" | 24.1 | 0.0 |
| March | 62°F (17°C) | 28°F (-2°C) | 45°F (7°C) | 0.4" | 20.2 | 0.0 |
| April | 70°F (21°C) | 35°F (2°C) | 52°F (11°C) | 0.3" | 8.9 | 0.0 |
| May | 79°F (26°C) | 44°F (6°C) | 61°F (16°C) | 0.4" | 1.5 | 3.2 |
| June | 90°F (32°C) | 53°F (12°C) | 72°F (22°C) | 0.2" | 0.0 | 19.6 |
| July | 91°F (33°C) | 61°F (16°C) | 76°F (24°C) | 1.4" | 0.0 | 20.2 |
| August | 88°F (31°C) | 59°F (15°C) | 73°F (23°C) | 2.1" | 0.0 | 13.7 |
| September | 83°F (28°C) | 50°F (10°C) | 67°F (19°C) | 1.1" | 0.2 | 4.2 |
| October | 72°F (22°C) | 37°F (3°C) | 54°F (12°C) | 0.7" | 6.8 | 0.0 |
| November | 60°F (15°C) | 26°F (-3°C) | 43°F (6°C) | 0.6" | 22.7 | 0.0 |
| December | 49°F (9°C) | 18°F (-8°C) | 34°F (1°C) | 0.9" | 28.8 | 0.0 |
The year, day by day
St Johns Industrial works both ends of the calendar. Normal highs climb to 92°F by June 30 and hold at or above 90°F on 41 dates, then normal lows drop to freezing or below on 161 dates, bottoming at 17°F around December 22.
When the heat sits
Normal highs reach 90°F from June 15 through July 25, covering 41 dates. The broader mild season, normal highs of 70°F or more, runs April 17 to October 21.
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 April 5, then returns to freezing around October 28, covering 161 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 July 31, when 39% of years recorded at least a hundredth of an inch. The driest is June 1 at 7%. Summed across the calendar, that is about 61 wet dates a year.
The widest day
June 6 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 St Johns Industrial.
Where St Johns Industrial Stands Nationally
Aridity defines the water calendar: about 9 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.
St Johns Industrial earns 2 nationally notable standings (outer quintiles) against 6,860 NOAA 1991–2020 normals stations; only those extremes render.
Monthly Precipitation
Average monthly rainfall
5.0 days with precipitation
4.3 days with precipitation
4.0 days with precipitation
3.1 days with precipitation
2.8 days with precipitation
2.2 days with precipitation
10.2 days with precipitation
10.5 days with precipitation
5.6 days with precipitation
4.9 days with precipitation
3.3 days with precipitation
4.9 days with precipitation
St Johns Industrial runs a summer-peaked wet season
40% of St Johns Industrial'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 2.1", on a 42.3°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, July, September, taking 51% of the annual total between them.
- Driest month: June at 0.2".
- Winter share: 20% 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.
St Johns Industrial is dry, and what does fall arrives gently
Only about 61 days a year record measurable precipitation here, 17% of the calendar, and they carry 9.1" 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 August at about 11 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.
Frost Dates & Growing Season
First Fall Freeze
October 10
50% probability date
Last Spring Freeze
May 3
50% probability date
Growing Season
160 days
Heating & Cooling Degree Days
Annual totals indicate energy demand for heating and cooling
Heating Degree Days
4,861
Higher = more heating needed
Cooling Degree Days
932
Higher = more cooling needed
Warmest Month
July
Coldest Month
December
Nationwide similar cities
Other rankable U.S. places outside AZ closest to St Johns Industrial 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 (54°F here).
- Atchison, KS 54°F · 0.0°F off
- Boston, VA 54°F · 0.0°F off
- Glennville, CA 54°F · 0.0°F off
- Kim, CO 54°F · 0.0°F off
Closest by annual precipitation
Nearest out-of-state peers by annual precipitation (9.1" here), excluding temperature-peer places.
- Vernal, UT 9.1" · 0.0" off
- Neola, UT 9.1" · 0.0" off
- Wellington, UT 9.1" · 0.0" off
- Moab, UT 9.1" · 0.0" off
Scarce-water calendar
Where St Johns Industrial's limited precipitation lands
heating led · dry · mid swing
St Johns Industrial's energy balance leans toward cold weather: 4,861 annual heating degree days against 932 for cooling. Its 42.3°F seasonal range still makes the monthly rows more useful than the annual average alone.
St Johns Industrial's frost-free season lasts about 160 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 St Johns Industrial's middle-range seasonal profile. The measured spread is 42.3°F. The annual average is 54°F. Neither the annual mean nor one extreme month represents the full calendar on its own.
St Johns Industrial's cold-season load does not imply a wet climate. Annual precipitation is 9.1 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.
St Johns Industrial wettest normal
August
August concentrates the scarce annual total (9.1 inches).
St Johns Industrial driest normal
June
June is typically driest; arid stations are defined by when water is absent, not by a four-season grid.
Questions about St Johns Industrial's climate
How dry is St Johns Industrial? ▼
How many days above 90°F does St Johns Industrial get? ▼
How much energy does heating and cooling require in St Johns Industrial? ▼
Data Sources
Data source: NOAA U.S. Climate Normals v1.0.1 (1991-2020). All figures on this page are from St Johns Industrial's primary station: ST JOHNS INDUSTRIAL AP (USW00093027). 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 St Johns Industrial; 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 St Johns Industrial 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.