Arnett, OK Climate: Temperature & Rain by Month
Explore NOAA NCEI's 1991–2020 climate normals → and a clearly labeled PlainClimate comfort calculation
30-year climate normals (1991-2020) from Arnett's primary NOAA station, ARNETT 3NE - 2 stations mapped to the area.
The climate verdict for Arnett
Arnett, Oklahoma has a mixed annual climate rather than one dominant extreme. Its NOAA normal shows an annual average of 57°F. It scores 80/100 for climate comfort (excellent), putting it in the top third of station-mapped location scores and exceeding 76% of them.
- 57°F
- annual average temperature (NOAA normal)
- 80/100
- comfort score, above 76% of station-mapped location scores
- 25.3"
- annual precipitation
- 195 days
- growing season, frost-free days
Arnett: NOAA 1991-2020 normals describe a typical year, not a forecast. Method: /methodology.
Normals record plate
Sheet USC00340332 · Arnett, OK 57°F mean · 25.3" precip
TEMP-MILD · RANK-UPPER · PHOTO-FINISH · PRCP-MID · SWING-MID · COMF-TOP · LOAD-HEAT · STN-MULTI · BOOK-FULL
- TEMP-MILD 57°F
- RANK-UPPER #4,528
- PHOTO-FINISH ≈ Advance
- PRCP-MID 25.3"
- SWING-MID 45°F
- COMF-TOP 80/100
- LOAD-HEAT 4,456 HDD
- STN-MULTI USC00340332
- BOOK-FULL 6/6 fields
Nearest mean-temperature peer: Advance, MO (+ 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 OK station list.
- Arnett (this station) 57°F
- Cold Eminence, MO 57°F
- Hot Sublette, KS 57°F
- Near Advance, MO 57°F
- Near Pomme De Terre…, MO 57°F
Climate Living Index · Arnett
Arnett: 54/100 · grade D
Arnett publishes 4 of 6 Living Index dimensions (NOAA annual/seasonal normals · NOAA daily multivariate normals); 2 missing weights rescale to 100.
PlainClimate-derived for Arnett, not an official NOAA rating. Rankings still use Comfort Score 80/100 (separate formula). Breakpoints and limits.
| Dimension | Station value | Score |
|---|---|---|
| Precipitation balance | 25.3 in · 9.7 from 35 in | 66/100 · C |
| Annual temperature balance | 56.7°F · 10.8° from 67.5°F | 65/100 · C |
| Frost-free season | 195 days/year | 61/100 · C |
| Normal heat + freeze calendar | 167 calendar days | 34/100 · F |
Arnett · 2026-08-04 · NOAA NCEI Climate Normals · method · Comfort Score method.
Arnett is a temperate Köppen climate: Cfa
Coldest-month mean 34.5°F and warmest-month mean 79.1°F place this station in temperate, no dry season, hot summer climates (Cfa). Class Cfa is the Peel et al. (2007) label for this station's monthly mean temperature and precipitation normals: temperate, specifically temperate, no dry season, hot summer.
- Köppen code
- Cfa
- Group
- Temperate
- Warmest month
- 79.1°F
- Coldest month
- 34.5°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 Arnett sits across the climate record
Three NOAA fields for Arnett's primary station, temperature, precipitation, and seasonal swing, are ranked against every station-mapped normal that carries the same field.
- Annual temperature
- 66th percentile warmth
- Mid-pack annual mean versus 6,861 station normals.
- Annual precipitation
- 35th percentile wetness
- Neither arid nor torrential versus 6,352 station totals.
- Seasonal temperature swing
- 56th percentile swing
- Typical seasonal amplitude versus 6,861 complete station-years.
How Arnett compares across U.S. station-mapped locations
Arnett's comfort score vs. all station-mapped locations
PlainClimate composite comfort index (1–100), NOAA 1991–2020 normals
80 Top 24% score exceeds 76% 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%). Below this entry.
- 70–80: 650 station-mapped locations (11%). Below this entry.
- 80–90: 921 station-mapped locations (15%). This entry sits in this band.
- 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 | 47°F (8°C) | 22°F (-6°C) | 35°F (1°C) | 0.8" | 28.1 | 0.0 |
| February | 51°F (10°C) | 25°F (-4°C) | 38°F (3°C) | 1.0" | 21.6 | 0.0 |
| March | 61°F (16°C) | 33°F (1°C) | 47°F (8°C) | 1.7" | 16.0 | 0.2 |
| April | 69°F (21°C) | 41°F (5°C) | 55°F (13°C) | 2.4" | 4.4 | 0.4 |
| May | 78°F (25°C) | 52°F (11°C) | 65°F (18°C) | 3.5" | 0.1 | 3.9 |
| June | 86°F (30°C) | 63°F (17°C) | 74°F (24°C) | 3.6" | 0.0 | 8.7 |
| July | 92°F (33°C) | 67°F (19°C) | 79°F (26°C) | 2.5" | 0.0 | 20.9 |
| August | 91°F (33°C) | 65°F (18°C) | 78°F (26°C) | 3.0" | 0.0 | 19.9 |
| September | 82°F (28°C) | 58°F (14°C) | 70°F (21°C) | 2.0" | 0.0 | 7.0 |
| October | 72°F (22°C) | 45°F (7°C) | 58°F (15°C) | 2.6" | 2.7 | 0.9 |
| November | 59°F (15°C) | 32°F (0°C) | 46°F (8°C) | 1.1" | 16.2 | 0.0 |
| December | 48°F (9°C) | 24°F (-4°C) | 36°F (2°C) | 1.3" | 26.8 | 0.0 |
The year, day by day
Arnett works both ends of the calendar. Normal highs climb to 93°F by July 31 and hold at or above 90°F on 51 dates, then normal lows drop to freezing or below on 116 dates, bottoming at 21°F around January 16.
When the heat sits
Normal highs reach 90°F from July 5 through August 24, covering 51 dates. The broader mild season, normal highs of 70°F or more, runs April 21 to October 20.
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 10, then returns to freezing around November 16, covering 116 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 June 3, when 26% of years recorded at least a hundredth of an inch. The driest is January 11 at 11%. Summed across the calendar, that is about 64 wet dates a year.
The widest day
March 30 carries the biggest normal gap between afternoon and dawn, 28°F between the normal high and the normal low.
Look up any date
Any date's 1991–2020 normal for Arnett.
Monthly Precipitation
Average monthly rainfall
3.4 days with precipitation
4.0 days with precipitation
4.9 days with precipitation
6.1 days with precipitation
7.3 days with precipitation
7.6 days with precipitation
5.9 days with precipitation
6.7 days with precipitation
5.5 days with precipitation
4.8 days with precipitation
3.7 days with precipitation
3.5 days with precipitation
Arnett runs a summer-peaked wet season
36% of Arnett'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 June at 3.6", on a 44.6°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: June, May, August, taking 40% of the annual total between them.
- Driest month: January at 0.8".
- Winter share: 12% 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.
When it rains in Arnett, it arrives in quantity
25.3" of precipitation falls across only about 63 wet days here, averaging 0.40 inches each. Fewer days carry more water: the year's total is delivered in comparatively heavy events rather than persistent damp.
- Days with measurable precipitation
- about 63 a year, 17% of all days
- Average depth per wet day
- 0.40 inches
- Most wet days
- June, about 8
- Fewest wet days
- January, about 3
A wet day is one recording at least 0.01 inches. These are 1991-2020 normals: they describe an average year, and a per-day average is not a forecast of any individual storm.
Frost Dates & Growing Season
First Fall Freeze
October 27
50% probability date
Last Spring Freeze
April 15
50% probability date
Growing Season
195 days
Heating & Cooling Degree Days
Annual totals indicate energy demand for heating and cooling
Heating Degree Days
4,456
Higher = more heating needed
Cooling Degree Days
1,477
Higher = more cooling needed
Warmest Month
July
Coldest Month
January
Nationwide similar cities
Other rankable U.S. places outside OK closest to Arnett 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).
- Bethpage, TN 57°F · 0.0°F off
- Haysville, KS 57°F · 0.0°F off
- Joplin, MO 57°F · 0.0°F off
- Manchester, TN 57°F · 0.0°F off
Closest by annual precipitation
Nearest out-of-state peers by annual precipitation (25.3" here), excluding temperature-peer places.
- Wheaton, MN 25.3" · 0.0" off
- Alexandria, SD 25.3" · 0.0" off
- Coldwater, KS 25.3" · 0.0" off
- Shamrock, TX 25.3" · 0.0" off
Data-derived climate profile
How Arnett's climate pattern fits together
heating led · moderate · mid swing
Arnett's energy balance leans toward cold weather: 4,456 annual heating degree days against 1,477 for cooling. Its 44.6°F seasonal range still makes the monthly rows more useful than the annual average alone.
Arnett's frost-free season lasts about 195 days, a middle-length window whose endpoints matter more than the annual average. It describes freeze probability, not year-specific planting conditions.
July and January mark the typical warm and cold ends of the calendar in Arnett's middle-range seasonal profile. The measured spread is 44.6°F. The annual average is 57°F. Neither the annual mean nor one extreme month represents the full calendar on its own.
Arnett's 25.3 inches of annual precipitation falls in PlainClimate's middle band, so “wet” or “dry” is not the leading description. Snowfall is not added to the interpretation because its annual value is missing. Temperature balance and the calendar distribution carry more information than the annual moisture label alone.
These labels group NOAA 1991-2020 normals from Arnett'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 Arnett, not an official NOAA class or a year-ahead forecast.
Questions about Arnett's climate
How much rain does Arnett get? ▼
How many days above 90°F does Arnett get? ▼
How much energy does heating and cooling require in Arnett? ▼
Data Sources
Data source: NOAA U.S. Climate Normals v1.0.1 (1991-2020). All figures on this page are from Arnett's primary station: ARNETT 3NE (USC00340332). 2 NOAA stations are mapped to the Arnett area; the primary station's record is used for consistency. 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 4002800). Match rule for Arnett: 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 Arnett 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.