Stilwell, Oklahoma climate: Normal weather by month, frost dates and records
Stilwell's normal year runs from 27°F January nights to 90°F July afternoons. (NOAA 1991-2020 normals)
In metric: a yearly mean of 15.1°C, January lows of −3°C, July highs of 32°C.
- NOAA stationStilwell (5 mi NNW)
- Station IDUSC00348506
- Location35.90°N 94.65°W
- Elevation1,000 ft (305 m)
- From the center6 miles
- Population3,855
On October 23, the normal high in Stilwell is 70°F and the normal low 46°F.
Normals describe a typical year at the station, not a forecast. The National Weather Service forecast for Stilwell.
- Jan 49° 27°
- Feb 54° 32°
- Mar 61° 39°
- Apr 71° 47°
- May 77° 56°
- Jun 85° 64°
- Jul 90° 68°
- Aug 90° 67°
- Sep 83° 59°
- Oct 72° 49°
- Nov 62° 38°
- Dec 50° 30°
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 Stilwell each month?
July is the warmest month, with normal highs of 90°F; January the coldest, with normal lows of 27°F.
| Month | High | Low | Mean | Wet days | 90°F days | Freezing nights | Daylight |
|---|---|---|---|---|---|---|---|
| January | 49°F | 27°F | 37.7°F | – | <1 | 22 | 10 h |
| February | 54°F | 32°F | 42.9°F | – | <1 | 14 | 10 h 50 min |
| March | 61°F | 39°F | 50.1°F | – | <1 | 9 | 11 h 50 min |
| April | 71°F | 47°F | 59.1°F | – | <1 | 2 | 13 h |
| May | 77°F | 56°F | 66.3°F | – | <1 | <1 | 14 h |
| June | 85°F | 64°F | 74.4°F | – | 3 | <1 | 14 h 30 min |
| July | 90°F | 68°F | 78.9°F | – | 18 | <1 | 14 h 20 min |
| August | 90°F | 67°F | 78.1°F | – | 16 | <1 | 13 h 30 min |
| September | 83°F | 59°F | 70.8°F | – | 6 | <1 | 12 h 30 min |
| October | 72°F | 49°F | 60.6°F | – | <1 | 2 | 11 h 20 min |
| November | 62°F | 38°F | 50.0°F | – | <1 | 10 | 10 h 20 min |
| December | 50°F | 30°F | 40.0°F | – | <1 | 19 | 9 h 50 min |
| Year (annual) | 70°F | 48°F | 59.1°F | – | 43 | 77 |
The same normals in °C and millimetres
| Month | High | Low | Mean |
|---|---|---|---|
| January | 9°C | −3°C | 3.2°C |
| February | 12°C | 0°C | 6.1°C |
| March | 16°C | 4°C | 10.1°C |
| April | 22°C | 8°C | 15.1°C |
| May | 25°C | 13°C | 19.1°C |
| June | 30°C | 18°C | 23.6°C |
| July | 32°C | 20°C | 26.1°C |
| August | 32°C | 19°C | 25.6°C |
| September | 28°C | 15°C | 21.6°C |
| October | 22°C | 9°C | 15.9°C |
| November | 17°C | 4°C | 10.0°C |
| December | 10°C | −1°C | 4.4°C |
NOAA publishes no 1991-2020 snowfall normal for this station. The nearest record that keeps one, Tahlequah (18 miles away), gets 4 inches of snow in a normal year; elevation and distance can change that.
Source: NOAA NCEI 1991-2020 monthly normals, station USC00348506; 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 Stilwell?
Normal highs sit between 65°F and 85°F in April, May, September and October.
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 USC00348506.
When is the last frost in Stilwell?
In Stilwell, the last spring frost (32°F) comes after March 31 in half of years and after April 20 in one year in ten; the first autumn frost comes before November 4 in half of years and before October 21 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 311 year in 10 after April 20; 9 in 10 after March 10
- First autumn frost, half of years before
- November 41 year in 10 before October 21; 9 in 10 before November 19
NOAA puts the median frost-free season at 217 days, and the season without a hard freeze (28°F) at 241 days.
A hard freeze (28°F) comes after March 17 in half of springs and before November 14 in half of autumns.
The USDA's 2023 Plant Hardiness Zone Map puts Stilwell in zone 7b in ZIP code 74960, the nearest ZIP area.
Frost dates for every NOAA station in Oklahoma · Frost dates by ZIP code
Source: NOAA NCEI 1991-2020 annual normals (frost probabilities), station USC00348506; USDA 2023 Plant Hardiness Zone Map, ZIP listings: PRISM Group, Oregon State University, https://prism.oregonstate.edu, accessed October 8, 2026. 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 Stilwell?
In a normal year in Stilwell, 43 days a year reach 90°F (4 of them 100°F or more) and 77 nights fall to 32°F or colder.
- Days at 90°F or more
- 43a normal year
- Days at 100°F or more
- 4a normal year
- Nights at 32°F or colder
- 77a normal year
- Days that stay below freezing
- 6high of 32°F or less
The highest temperature in this station's record (since 1960) is 108°F, on July 25, 1977; the lowest is −12°F, on January 10, 1977.
The wettest calendar year on that record is 1973, with 79.32 in; the snowiest season is 1977–78, with 28.5 inches.
Source: NOAA NCEI 1991-2020 annual normals, station USC00348506; records: ACIS (NOAA Regional Climate Centers), station USC00348506. Records use complete months only; a month missing more than three days is left out.
How sunny is Stilwell?
Over a year 76% of the sunlight that would reach the ground under clear skies gets through the clouds in the area around Stilwell, 4.4 kWh per square metre a day. July is the sunniest month (83%) and February the cloudiest (66%).
| Month | Share of clear-sky sunshine | Sunshine, kWh/m² a day |
|---|---|---|
| January | 71% | 2.5 |
| February | 66% | 3.1 |
| March | 69% | 4.1 |
| April | 72% | 5.2 |
| May | 73% | 5.7 |
| June | 82% | 6.6 |
| July | 83% | 6.5 |
| August | 83% | 5.9 |
| September | 82% | 5.0 |
| October | 77% | 3.8 |
| November | 75% | 2.8 |
| 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 Stilwell need?
A normal year in Stilwell brings 3,629 heating degree days, 32% fewer than the median U.S. place (5,373), and 1,506 cooling degree days, 66% more than 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 4,577 growing degree days a year above 50°F.
| Month | Heating | Cooling |
|---|---|---|
| January | 845 | 0 |
| February | 620 | 0 |
| March | 468 | 6 |
| April | 206 | 30 |
| May | 60 | 102 |
| June | 3 | 285 |
| July | 0 | 432 |
| August | 0 | 408 |
| September | 22 | 197 |
| October | 179 | 41 |
| November | 453 | 4 |
| December | 774 | 0 |
| Year (annual) | 3,629 | 1,506 |
Source: NOAA NCEI 1991-2020 monthly normals, station USC00348506. 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.
How does Stilwell's climate compare?
Stilwell is warmer than 29 of the other 133 places with their own NOAA record in Oklahoma. Across the 7,247 U.S. stations with normals, its annual mean of 59.1°F is warmer than 72%.
Source: NOAA NCEI 1991-2020 normals for every station PlainClimate covers.
Which places near Stilwell share this climate record?
30 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.
- Lincoln, AR2,371 people · 13 mi E
- Westville, OK1,420 people · 8 mi NE
- Cherry Tree, OK669 people · 10 mi S
- Fairfield, OK646 people · 5 mi SE
- Lyons Switch, OK573 people · 8 mi S
- Rocky Mountain, OK552 people · 10 mi SW
- Cincinnati, AR536 people · 12 mi NE
- Titanic, OK444 people · 5 mi W
- Old Green, OK427 people · 7 mi N
- Bell, OK411 people · 12 mi S
- Wauhillau, OK376 people · 7 mi W
- Morrow, AR324 people · 12 mi E
- Baron, OK308 people · 4 mi NE
- Chance, OK291 people · 12 mi N
- Summers, AR271 people · 11 mi NE
- Peavine, OK259 people · 2 mi E
- Proctor, OK236 people · 8 mi NW
- Greasy, OK215 people · 15 mi S
- Honey Hill, OK209 people · 10 mi SE
- Christie, OK173 people · 6 mi N
- Marietta, OK114 people · 3 mi S
- West Peavine, OK108 people · 1 mi N
- Cave Spring, OK69 people · 13 mi SW
- Piney, OK52 people · 5 mi E
- Bunch, OK43 people · 15 mi S
- Evansville, AR39 people · 11 mi SE
- Zion, OK36 people · 7 mi S
- Elm Grove, OK24 people · 8 mi SE
- Mulberry, OK22 people · 3 mi SW
- Canehill, AR0 people · 14 mi E
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 Stilwell's climate
What is the coldest month in Stilwell?
January, with a normal high of 49°F and a normal low of 27°F. The warmest is July (90°F by day, 68°F at night).
Does it snow in Stilwell?
Yes. NOAA publishes no 1991-2020 snowfall normal for Stilwell's NOAA station; the nearest record that keeps one, Tahlequah (18 miles away), records 4 inches of snow in a normal year.
What plant hardiness zone is Stilwell in?
The USDA's 2023 map puts Stilwell in zone 7b in ZIP code 74960, the nearest ZIP area.
How late can frost come in Stilwell?
In half of years the last 32°F night comes after March 31; in one year in ten it comes after April 20. Waiting until April 20 leaves about a one-in-ten chance of a later frost.
Nearby and next
- Oklahoma climateThe statewide normals and every place in the state
- Tahlequah, OK18 miles from this station, 60.9°F a year
- Kansas, OK23 miles from this station, 60.4°F a year
- Fayetteville, AR28 miles from this station, 57.4°F a year
- Sallisaw, OK32 miles from this station, 60.2°F a year
- Compare two placesMonth by month, side by side
Download these normals (CSV) · JSON · How these figures are made