Washington, OK Climate: Temperature by Month
Explore NOAA NCEI's 1991–2020 climate normals → and a clearly labeled PlainClimate comfort calculation
30-year climate normals (1991-2020) from Washington's primary NOAA station, WASHINGTON 6SSW MESONET.
The climate verdict for Washington
Washington, Oklahoma has a mixed annual climate rather than one dominant extreme. Its NOAA normal shows an annual average of 61°F. July is the warmest month at 82°F and January the coldest at 40°F.
- 61°F
- yearly average temperature, NOAA normal
- 217 days
- frost-free growing season
Washington: NOAA 1991-2020 normals describe a typical year, not a forecast. Method: /methodology.
Normals record plate
Sheet USC00349346 · Washington, OK 61°F mean
TEMP-MILD · RANK-UPPER · PHOTO-FINISH · PRCP-UNK · SWING-MID · COMF-UNK · LOAD-MIX · STN-1 · BOOK-PART
- TEMP-MILD 61°F
- RANK-UPPER #5,283
- PHOTO-FINISH ≈ Acme
- PRCP-UNK Rain n/a
- SWING-MID 41°F
- COMF-UNK Comfort n/a
- LOAD-MIX H/C balanced
- STN-1 USC00349346
- BOOK-PART 4/6 fields
Nearest mean-temperature peer: Acme, OK (+ 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 OK station list.
- Washington (this station) 61°F
- Hot Brownfield, TX 61°F
- Near Acme, OK 61°F
- Near Ashland, AL 61°F
- Near Blytheville, AR 61°F
Climate Living Index · Washington
Washington: 69/100 · grade C
Washington publishes 3 of 6 Living Index dimensions (NOAA annual/seasonal normals · NOAA daily multivariate normals); 3 missing weights rescale to 100.
PlainClimate-derived for Washington, not an official NOAA rating. Breakpoints and limits.
| Dimension | Station value | Score |
|---|---|---|
| Annual temperature balance | 61.1°F · 6.4° from 67.5°F | 80/100 · B |
| Frost-free season | 217 days/year | 76/100 · B |
| Normal heat + freeze calendar | 134 calendar days | 56/100 · C |
Washington · 2026-08-04 · NOAA NCEI Climate Normals · method .
National standing · balanced station
Where Washington sits across the climate record
Available NOAA 1991–2020 fields for Washington are ranked only against stations that publish the same field, missing metrics stay blank rather than estimated.
- Annual temperature
- Top 23% warmest
- Among 6,861 stations, Washington sits in the warmer third of annual means.
- Seasonal temperature swing
- 41st percentile swing
- Typical seasonal amplitude versus 6,861 complete station-years.
Monthly Temperatures
Average daily high and low temperatures by month
| Month | Avg High | Avg Low | Mean | Precip | Freeze Days | 90°F+ Days |
|---|---|---|---|---|---|---|
| January | 52°F (11°C) | 29°F (-2°C) | 40°F (5°C) | N/A | 20.7 | 0.0 |
| February | 55°F (13°C) | 33°F (0°C) | 44°F (7°C) | N/A | 15.7 | 0.0 |
| March | 64°F (18°C) | 41°F (5°C) | 53°F (11°C) | N/A | 6.4 | 0.2 |
| April | 72°F (22°C) | 48°F (9°C) | 60°F (16°C) | N/A | 1.6 | 0.5 |
| May | 79°F (26°C) | 58°F (15°C) | 69°F (20°C) | N/A | 0.0 | 1.8 |
| June | 88°F (31°C) | 66°F (19°C) | 77°F (25°C) | N/A | 0.0 | 16.1 |
| July | 93°F (34°C) | 70°F (21°C) | 82°F (28°C) | N/A | 0.0 | 23.6 |
| August | 93°F (34°C) | 69°F (20°C) | 81°F (27°C) | N/A | 0.0 | 23.0 |
| September | 86°F (30°C) | 62°F (16°C) | 74°F (23°C) | N/A | 0.0 | 10.8 |
| October | 74°F (23°C) | 49°F (10°C) | 62°F (17°C) | N/A | 1.2 | 1.2 |
| November | 63°F (17°C) | 39°F (4°C) | 51°F (11°C) | N/A | 8.4 | 0.0 |
| December | 53°F (12°C) | 30°F (-1°C) | 42°F (5°C) | N/A | 18.8 | 0.0 |
The year, day by day
Washington works both ends of the calendar. Normal highs climb to 95°F by July 30 and hold at or above 90°F on 65 dates, then normal lows drop to freezing or below on 69 dates, bottoming at 28°F around January 1.
When the heat sits
Normal highs reach 90°F from June 28 through August 31, covering 65 dates. The broader mild season, normal highs of 70°F or more, runs April 2 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 February 13, then returns to freezing around December 7, covering 69 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.
The widest day
October 19 carries the biggest normal gap between afternoon and dawn, 25°F between the normal high and the normal low.
Look up any date
Any date's 1991–2020 normal for Washington.
Where Washington Stands Nationally
Heat is a defining feature of the normals calendar — the normal daily high reaches 90°F on roughly 65 days a year, more than four out of five ranked stations record.
Washington earns one nationally notable standing (outer quintile) against 6,860 NOAA 1991–2020 normals stations, middle-of-the-pack metrics stay silent here.
Monthly Precipitation
Average monthly rainfall
Frost Dates & Growing Season
First Fall Freeze
November 3
50% probability date
Last Spring Freeze
March 31
50% probability date
Growing Season
217 days
Heating & Cooling Degree Days
Annual totals indicate energy demand for heating and cooling
Heating Degree Days
3,326
Higher = more heating needed
Cooling Degree Days
1,921
Higher = more cooling needed
Warmest Month
July
Coldest Month
January
Nationwide similar cities
Other rankable U.S. places outside OK closest to Washington 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 (61°F here).
- Ashland, AL 61°F · 0.0°F off
- Brownfield, TX 61°F · 0.0°F off
- Collierville, TN 61°F · 0.0°F off
- Jasper, AL 61°F · 0.0°F off
Data-derived climate profile
How Washington's climate pattern fits together
mixed demand · mid swing
July and January mark the typical warm and cold ends of the calendar in Washington's middle-range seasonal profile. The measured spread is 41.3°F. The annual average is 61°F. Neither the annual mean nor one extreme month represents the full calendar on its own.
Heating and cooling both register in Washington's normal, at 3,326 and 1,921 degree days respectively. Neither total exceeds the other by more than two to one, so the record is better read as a mixed-demand calendar than as heating-led or cooling-led.
A roughly 217-day frost-free season sits inside this mixed heating-and-cooling profile. Start and end dates matter because both sides of the thermostat register during a normal year.
A moisture-range label is withheld because Washington's annual precipitation total is unavailable. Monthly source values remain visible where NOAA provides them, and no annual amount is reconstructed from incomplete data.
These labels group NOAA 1991-2020 normals from Washington's primary station, where heating and cooling demand are close enough that neither season sets the character on its own. On a balanced station like Washington, the bands are descriptive ranges rather than an official NOAA classification or a forecast.
Questions about Washington's climate
How many days above 90°F does Washington get? ▼
How much energy does heating and cooling require in Washington? ▼
Data Sources
Data source: NOAA U.S. Climate Normals v1.0.1 (1991-2020). All figures on this page are from Washington's primary station: WASHINGTON 6SSW MESONET (USC00349346). 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 4078700). Match rule for Washington: 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 Washington 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.