Subiaco, Arkansas climate: Normal weather by month, frost dates and records
Subiaco's normal year runs from 29°F January nights to 92°F July afternoons, with 49.3 inches of precipitation and 2 inches of snow a year. (NOAA 1991-2020 normals)
In metric: a yearly mean of 15.9°C, January lows of −2°C, July highs of 34°C, 1,252 mm of precipitation a year.
- NOAA stationSubiaco
- Station IDUSC00036928
- Location35.30°N 93.64°W
- Elevation500 ft (152 m)
- Population404
On October 22, the normal high in Subiaco is 71°F and the normal low 48°F, and the chance of measurable rain or snow is 24%.
Normals describe a typical year at the station, not a forecast. The National Weather Service forecast for Subiaco.
- Jan 49° 29°
- Feb 54° 32°
- Mar 63° 40°
- Apr 72° 48°
- May 80° 59°
- Jun 88° 67°
- Jul 92° 71°
- Aug 92° 69°
- Sep 85° 62°
- Oct 74° 50°
- Nov 61° 39°
- Dec 51° 32°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
What is the weather like in Subiaco each month?
July is the warmest month, with normal highs of 92°F; January the coldest, with normal lows of 29°F. The most precipitation falls in May (5.06 in), the least in February (2.93 in).
| Month | High | Low | Mean | Precip. | Snow | Wet days | 90°F days | Freezing nights | Daylight |
|---|---|---|---|---|---|---|---|---|---|
| January | 49°F | 29°F | 38.7°F | 3.49 | 0.4 | 7 | <1 | 20 | 10 h |
| February | 54°F | 32°F | 43.0°F | 2.93 | 1.0 | 7 | <1 | 15 | 10 h 50 min |
| March | 63°F | 40°F | 51.5°F | 4.39 | 0.6 | 9 | <1 | 6 | 11 h 50 min |
| April | 72°F | 48°F | 60.4°F | 4.79 | 0.0 | 8 | <1 | 1 | 13 h |
| May | 80°F | 59°F | 69.3°F | 5.06 | 0.0 | 10 | 3 | <1 | 14 h |
| June | 88°F | 67°F | 77.4°F | 3.96 | 0.0 | 8 | 11 | <1 | 14 h 30 min |
| July | 92°F | 71°F | 81.5°F | 3.76 | 0.0 | 8 | 21 | <1 | 14 h 20 min |
| August | 92°F | 69°F | 80.4°F | 4.06 | 0.0 | 7 | 20 | <1 | 13 h 30 min |
| September | 85°F | 62°F | 73.1°F | 3.93 | 0.0 | 6 | 8 | <1 | 12 h 30 min |
| October | 74°F | 50°F | 62.0°F | 3.96 | 0.0 | 7 | 1 | 1 | 11 h 20 min |
| November | 61°F | 39°F | 50.1°F | 4.88 | 0.0 | 8 | <1 | 7 | 10 h 20 min |
| December | 51°F | 32°F | 41.3°F | 4.07 | 0.2 | 7 | <1 | 17 | 9 h 50 min |
| Year (annual) | 72°F | 50°F | 60.7°F | 49.28 | 2.2 | 92 | 62 | 67 |
The same normals in °C and millimetres
| Month | High | Low | Mean | Precip. | Snow |
|---|---|---|---|---|---|
| January | 9°C | −2°C | 3.7°C | 89 mm | 1 cm |
| February | 12°C | 0°C | 6.1°C | 74 mm | 3 cm |
| March | 17°C | 4°C | 10.8°C | 112 mm | 2 cm |
| April | 22°C | 9°C | 15.8°C | 122 mm | 0 cm |
| May | 27°C | 15°C | 20.7°C | 129 mm | 0 cm |
| June | 31°C | 19°C | 25.2°C | 101 mm | 0 cm |
| July | 34°C | 21°C | 27.5°C | 96 mm | 0 cm |
| August | 33°C | 21°C | 26.9°C | 103 mm | 0 cm |
| September | 29°C | 16°C | 22.8°C | 100 mm | 0 cm |
| October | 23°C | 10°C | 16.7°C | 101 mm | 0 cm |
| November | 16°C | 4°C | 10.1°C | 124 mm | 0 cm |
| December | 11°C | 0°C | 5.2°C | 103 mm | 1 cm |
Source: NOAA NCEI 1991-2020 monthly normals, station USC00036928; 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.
When is the best weather to visit Subiaco?
Normal highs sit between 65°F and 85°F in April, May, September and October. Of those, September has the fewest days with rain (6).
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 USC00036928.
When is the last frost in Subiaco?
In Subiaco, the last spring frost (32°F) comes after March 28 in half of years and after April 14 in one year in ten; the first autumn frost comes before November 5 in half of years and before October 23 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
- March 281 year in 10 after April 14; 9 in 10 after March 8
- First autumn frost, half of years before
- November 51 year in 10 before October 23; 9 in 10 before November 22
NOAA puts the median frost-free season at 223 days, and the season without a hard freeze (28°F) at 247 days.
A hard freeze (28°F) comes after March 14 in half of springs and before November 15 in half of autumns.
The USDA's 2023 Plant Hardiness Zone Map puts Subiaco in zone 8a in ZIP code 72855, the nearest ZIP area. By the map's own method, the average of each year's coldest night over 1991-2020, Subiaco's NOAA station is in zone 8a: the coldest night of a typical year reaches 11°F (30 complete years).
Frost dates for every NOAA station in Arkansas · Frost dates by ZIP code
Source: NOAA NCEI 1991-2020 annual normals (frost probabilities), station USC00036928; 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 in Subiaco?
In a normal year in Subiaco, 62 days a year reach 90°F (7 of them 100°F or more), 67 nights fall to 32°F or colder and 92 days bring measurable precipitation.
- Days at 90°F or more
- 62a normal year
- Days at 100°F or more
- 7a normal year
- Nights at 32°F or colder
- 67a normal year
- Days that stay below freezing
- 5high of 32°F or less
- Days with 0.01 inch of precipitation
- 92a normal year
- Days with 1 inch of snow or more
- 1a normal year
The highest temperature in this station's record (since 1897) is 117°F, on August 10, 1936; the lowest is −17°F, on February 12, 1899.
The wettest calendar year on that record is 2020, with 69.10 in; the snowiest season is 1904–05, with 21.1 inches.
Source: NOAA NCEI 1991-2020 annual normals, station USC00036928; records: ACIS (NOAA Regional Climate Centers), station USC00036928. Records use complete months only; a month missing more than three days is left out.
How sunny is Subiaco?
Over a year 76% of the sunlight that would reach the ground under clear skies gets through the clouds in the area around Subiaco, 4.4 kWh per square metre a day. July is the sunniest month (82%) and February the cloudiest (66%).
| Month | Share of clear-sky sunshine | Sunshine, kWh/m² a day |
|---|---|---|
| January | 70% | 2.5 |
| February | 66% | 3.0 |
| March | 69% | 4.1 |
| April | 72% | 5.2 |
| May | 73% | 5.7 |
| June | 81% | 6.5 |
| July | 82% | 6.3 |
| August | 82% | 5.8 |
| September | 81% | 5.0 |
| October | 77% | 3.8 |
| November | 74% | 2.7 |
| December | 70% | 2.2 |
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 much heating and cooling does Subiaco need?
A normal year in Subiaco brings 3,446 heating degree days, 36% fewer than the median U.S. place (5,373), and 1,914 cooling degree days, 2.1 times the median (908). Five months need 300 or more heating degree days, a monthly mean of about 55°F or colder. For gardens and crops, NOAA counts 5,090 growing degree days a year above 50°F.
| Month | Heating | Cooling |
|---|---|---|
| January | 817 | 1 |
| February | 617 | 1 |
| March | 428 | 9 |
| April | 181 | 43 |
| May | 39 | 172 |
| June | 1 | 371 |
| July | 0 | 510 |
| August | 0 | 476 |
| September | 15 | 258 |
| October | 159 | 66 |
| November | 455 | 7 |
| December | 734 | 1 |
| Year (annual) | 3,446 | 1,914 |
Source: NOAA NCEI 1991-2020 monthly normals, station USC00036928. 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.
Has Subiaco been warmer than normal lately?
2025 averaged 62.3°F, 1.6°F above the 1991-2020 normal of 60.7°F. 3 of the 5 complete years since 2021 ran warmer than the normal.
| Year | Mean | Against normal | Precip. | Snow |
|---|---|---|---|---|
| 2021 | 60.4°F | −0.3°F | 49.05 | – |
| 2022 | 60.6°F | −0.1°F | 53.16 | 2.5 |
| 2023 | 62.7°F | +2.0°F | 46.56 | 5.8 |
| 2024 | 63.4°F | +2.7°F | 55.72 | 2.0 |
| 2025 | 62.3°F | +1.6°F | 62.85 | 10.4 |
Over 92 complete years from 1898 to 2025, the station's annual mean temperature rose at a fitted 1.0°F per century (+0.06°C per decade). A fitted rate summarizes the whole record; single years swing well above and below it.
Source: observed years: ACIS, station USC00036928; trend: NOAA GHCN-Monthly v4. A year counts only with all twelve months complete.
How does Subiaco's climate compare?
Subiaco is warmer than 35 of the other 85 places with their own NOAA record in Arkansas, and wetter than 19. Across the 7,247 U.S. stations with normals, its annual mean of 60.7°F is warmer than 76%.
In the Köppen classification computed from these normals, Subiaco is Cfa: temperate, no dry season, hot 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.
Which places near Subiaco share this climate record?
8 places have no NOAA station with 1991-2020 normals of their own, and this station is the nearest full record. A place's own climate can differ from these figures, by several degrees where it sits much higher or lower than the station, nearer the coast, or inside a large city's heat; for the larger places the next nearest records are named with their yearly mean, so the spread around them is visible, and places of 50,000 or more have their own page with NOAA's gridded normals.
- Paris, AR3,306 people · 6 mi W
- Coal Hill, AR814 people · 9 mi N
- Hartman, AR514 people · 9 mi N
- New Blaine, AR358 people · 12 mi E
- Scranton, AR260 people · 7 mi NE
- Ratcliff, AR166 people · 14 mi W
- Caulksville, AR162 people · 13 mi W
- Alix, AR87 people · 10 mi NW
Source: Census Bureau 2024 Gazetteer (place centers) and Vintage 2024 population estimates. Distance and direction from the station to each place's center.
Questions about Subiaco's climate
What is the coldest month in Subiaco?
January, with a normal high of 49°F and a normal low of 29°F. The warmest is July (92°F by day, 71°F at night).
Does it snow in Subiaco?
Yes: 2 inches in a normal year, falling on 1 days with 0.1 inch or more, the most in February (1.0 inches).
What is the rainiest month in Subiaco?
May, with 5.06 in of precipitation in a normal year; the driest is February with 2.93 in.
What plant hardiness zone is Subiaco in?
The USDA's 2023 map puts Subiaco in zone 8a in ZIP code 72855, the nearest ZIP area. By the same method at Subiaco's NOAA station, the coldest night of a typical year reaches 11°F (30 years, 1991-2020): zone 8a.
How late can frost come in Subiaco?
In half of years the last 32°F night comes after March 28; in one year in ten it comes after April 14. Waiting until April 14 leaves about a one-in-ten chance of a later frost.
Nearby and next
- Arkansas climateThe statewide normals and every place in the state
- Blue Mountain, AR13 miles from this station, 60.5°F a year
- Clarksville, AR16 miles from this station, 60.8°F a year
- Ozark, AR19 miles from this station, 60.2°F a year
- Booneville, AR22 miles from this station, 60.5°F a year
- Compare two placesMonth by month, side by side
Download these normals (CSV) · JSON · How these figures are made