Billings, Oklahoma climate: Normal weather by month, frost dates and records
Billings's normal year runs from 23°F January nights to 93°F July afternoons, with 35.3 inches of precipitation a year. (NOAA 1991-2020 normals)
In metric: a yearly mean of 14.8°C, January lows of −5°C, July highs of 34°C, 897 mm of precipitation a year.
- NOAA stationBillings
- Station IDUSC00340755
- Location36.53°N 97.45°W
- Elevation1,000 ft (305 m)
- Population573
On October 23, the normal high in Billings is 70°F and the normal low 44°F, and the chance of measurable rain or snow is 19%.
Normals describe a typical year at the station, not a forecast. The National Weather Service forecast for Billings.
- Jan 47° 23°
- Feb 51° 27°
- Mar 61° 36°
- Apr 70° 44°
- May 78° 56°
- Jun 88° 66°
- Jul 93° 70°
- Aug 93° 69°
- Sep 85° 60°
- Oct 73° 47°
- Nov 60° 36°
- Dec 49° 26°
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 Billings each month?
July is the warmest month, with normal highs of 93°F; January the coldest, with normal lows of 23°F. The most precipitation falls in May (4.80 in), the least in January (1.16 in).
| Month | High | Low | Mean | Precip. | Wet days | 90°F days | Freezing nights | Daylight |
|---|---|---|---|---|---|---|---|---|
| January | 47°F | 23°F | 34.7°F | 1.16 | 5 | <1 | 27 | 10 h |
| February | 51°F | 27°F | 38.9°F | 1.37 | 5 | <1 | 21 | 10 h 50 min |
| March | 61°F | 36°F | 48.2°F | 2.63 | 7 | <1 | 12 | 11 h 50 min |
| April | 70°F | 44°F | 57.2°F | 3.67 | 7 | <1 | 3 | 13 h 10 min |
| May | 78°F | 56°F | 67.0°F | 4.80 | 8 | 3 | <1 | 14 h 10 min |
| June | 88°F | 66°F | 77.0°F | 4.63 | 7 | 14 | <1 | 14 h 40 min |
| July | 93°F | 70°F | 81.8°F | 3.74 | 6 | 23 | <1 | 14 h 30 min |
| August | 93°F | 69°F | 80.5°F | 3.45 | 7 | 21 | <1 | 13 h 40 min |
| September | 85°F | 60°F | 72.3°F | 2.88 | 6 | 10 | <1 | 12 h 30 min |
| October | 73°F | 47°F | 60.0°F | 3.49 | 6 | 1 | 2 | 11 h 20 min |
| November | 60°F | 36°F | 47.8°F | 1.96 | 4 | <1 | 12 | 10 h 20 min |
| December | 49°F | 26°F | 37.4°F | 1.54 | 5 | <1 | 24 | 9 h 40 min |
| Year (annual) | 71°F | 47°F | 58.6°F | 35.32 | 73 | 72 | 100 |
The same normals in °C and millimetres
| Month | High | Low | Mean | Precip. |
|---|---|---|---|---|
| January | 8°C | −5°C | 1.5°C | 29 mm |
| February | 11°C | −3°C | 3.8°C | 35 mm |
| March | 16°C | 2°C | 9.0°C | 67 mm |
| April | 21°C | 7°C | 14.0°C | 93 mm |
| May | 26°C | 13°C | 19.4°C | 122 mm |
| June | 31°C | 19°C | 25.0°C | 118 mm |
| July | 34°C | 21°C | 27.7°C | 95 mm |
| August | 34°C | 20°C | 26.9°C | 88 mm |
| September | 29°C | 16°C | 22.4°C | 73 mm |
| October | 23°C | 8°C | 15.6°C | 89 mm |
| November | 15°C | 2°C | 8.8°C | 50 mm |
| December | 9°C | −3°C | 3.0°C | 39 mm |
NOAA publishes no 1991-2020 snowfall normal for this station. The nearest record that keeps one, Perry (19 miles away), gets 7 inches of snow in a normal year; elevation and distance can change that.
Source: NOAA NCEI 1991-2020 monthly normals, station USC00340755; 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 Billings?
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 USC00340755.
When is the last frost in Billings?
In Billings, the last spring frost (32°F) comes after April 15 in half of years and after May 1 in one year in ten; the first autumn frost comes before October 26 in half of years and before October 12 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
- April 151 year in 10 after May 1; 9 in 10 after March 29
- First autumn frost, half of years before
- October 261 year in 10 before October 12; 9 in 10 before November 9
NOAA puts the median frost-free season at 194 days, and the season without a hard freeze (28°F) at 214 days.
A hard freeze (28°F) comes after April 2 in half of springs and before November 4 in half of autumns.
The USDA's 2023 Plant Hardiness Zone Map puts Billings in zone 7a in ZIP code 74630, the nearest ZIP area. By the map's own method, the average of each year's coldest night over 1991-2020, Billings's NOAA station is in zone 7a: the coldest night of a typical year reaches 2°F (27 complete years).
Frost dates for every NOAA station in Oklahoma · Frost dates by ZIP code
Source: NOAA NCEI 1991-2020 annual normals (frost probabilities), station USC00340755; 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 Billings?
In a normal year in Billings, 72 days a year reach 90°F (13 of them 100°F or more), 100 nights fall to 32°F or colder and 73 days bring measurable precipitation.
- Days at 90°F or more
- 72a normal year
- Days at 100°F or more
- 13a normal year
- Nights at 32°F or colder
- 100a normal year
- Days that stay below freezing
- 13high of 32°F or less
- Days with 0.01 inch of precipitation
- 73a normal year
The highest temperature in this station's record (since 1959) is 113°F, on July 30, 1986; the lowest is −19°F, on February 11, 2011.
The wettest calendar year on that record is 2019, with 49.76 in; the snowiest season is 1974–75, with 22.7 inches.
Source: NOAA NCEI 1991-2020 annual normals, station USC00340755; records: ACIS (NOAA Regional Climate Centers), station USC00340755. Records use complete months only; a month missing more than three days is left out.
How sunny is Billings?
Over a year 80% of the sunlight that would reach the ground under clear skies gets through the clouds in the area around Billings, 4.7 kWh per square metre a day. July is the sunniest month (87%) and February the cloudiest (74%).
| Month | Share of clear-sky sunshine | Sunshine, kWh/m² a day |
|---|---|---|
| January | 77% | 2.7 |
| February | 74% | 3.4 |
| March | 74% | 4.4 |
| April | 76% | 5.5 |
| May | 77% | 6.1 |
| June | 86% | 7.0 |
| July | 87% | 6.9 |
| August | 86% | 6.1 |
| September | 84% | 5.1 |
| October | 80% | 3.9 |
| November | 80% | 2.9 |
| December | 74% | 2.3 |
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 Billings need?
A normal year in Billings brings 4,153 heating degree days, 23% fewer than the median U.S. place (5,373), and 1,841 cooling degree days, 2.0 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 4,773 growing degree days a year above 50°F.
| Month | Heating | Cooling |
|---|---|---|
| January | 938 | 0 |
| February | 731 | 0 |
| March | 527 | 5 |
| April | 263 | 29 |
| May | 76 | 138 |
| June | 3 | 362 |
| July | 0 | 521 |
| August | 0 | 481 |
| September | 28 | 247 |
| October | 209 | 54 |
| November | 522 | 5 |
| December | 856 | 0 |
| Year (annual) | 4,153 | 1,841 |
Source: NOAA NCEI 1991-2020 monthly normals, station USC00340755. 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 Billings been warmer than normal lately?
2025 averaged 59.5°F, 0.9°F above the 1991-2020 normal of 58.6°F. 5 of the 5 complete years since 2021 ran warmer than the normal.
| Year | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 59.1°F | +0.5°F | 32.48 |
| 2022 | 58.8°F | +0.2°F | 32.08 |
| 2023 | 59.9°F | +1.3°F | 33.08 |
| 2024 | 61.6°F | +3.0°F | 28.98 |
| 2025 | 59.5°F | +0.9°F | 36.43 |
Over 44 complete years from 1962 to 2025, the station's annual mean temperature rose at a fitted 4.6°F per century (+0.26°C per decade). A fitted rate summarizes the whole record; single years swing well above and below it.
Source: observed years: ACIS, station USC00340755; trend: NOAA GHCN-Monthly v4. A year counts only with all twelve months complete.
How does Billings's climate compare?
Billings is warmer than 18 of the other 133 places with their own NOAA record in Oklahoma, and wetter than 43. Across the 7,247 U.S. stations with normals, its annual mean of 58.6°F is warmer than 71%.
In the Köppen classification computed from these normals, Billings 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.
Questions about Billings's climate
What is the coldest month in Billings?
January, with a normal high of 47°F and a normal low of 23°F. The warmest is July (93°F by day, 70°F at night).
Does it snow in Billings?
Yes. NOAA publishes no 1991-2020 snowfall normal for Billings's NOAA station; the nearest record that keeps one, Perry (19 miles away), records 7 inches of snow in a normal year.
What is the rainiest month in Billings?
May, with 4.80 in of precipitation in a normal year; the driest is January with 1.16 in.
What plant hardiness zone is Billings in?
The USDA's 2023 map puts Billings in zone 7a in ZIP code 74630, the nearest ZIP area. By the same method at Billings's NOAA station, the coldest night of a typical year reaches 2°F (27 years, 1991-2020): zone 7a.
How late can frost come in Billings?
In half of years the last 32°F night comes after April 15; in one year in ten it comes after May 1. Waiting until May 1 leaves about a one-in-ten chance of a later frost.
Nearby and next
- Oklahoma climateThe statewide normals and every place in the state
- Breckinridge 3 mi SE Mesonet, OK16 miles from this station, 59.1°F a year
- Perry, OK19 miles from this station, 60.4°F a year
- Blackwell, OK20 miles from this station, 58.3°F a year
- Jefferson, OK20 miles from this station, 57.5°F a year
- Compare two placesMonth by month, side by side
Download these normals (CSV) · JSON · How these figures are made