Gibson (2 mi NE), Montana climate: Climate normals at a NOAA weather station
Gibson (2 mi NE)'s normal year runs from 14°F January nights to 84°F July afternoons, with 15.2 inches of precipitation and 78 inches of snow a year. (NOAA 1991-2020 normals)
In metric: a yearly mean of 6.6°C, January lows of −10°C, July highs of 29°C, 387 mm of precipitation a year.
- NOAA stationGibson (2 mi NE)
- Station IDUSC00243486
- Location46.04°N 109.50°W
- Elevation4,444 ft (1,355 m)
On October 23, the normal high in Gibson (2 mi NE) is 54°F and the normal low 28°F, and the chance of measurable rain or snow is 20%.
Normals describe a typical year at the station, not a forecast. The National Weather Service forecast for Gibson (2 mi NE).
- Jan 36° 14°
- Feb 39° 13°
- Mar 48° 19°
- Apr 55° 28°
- May 64° 37°
- Jun 73° 45°
- Jul 84° 49°
- Aug 83° 48°
- Sep 74° 40°
- Oct 58° 31°
- Nov 45° 20°
- Dec 36° 14°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
What is the weather like at Gibson (2 mi NE) each month?
July is the warmest month, with normal highs of 84°F; January the coldest, with normal lows of 14°F. The most precipitation falls in June (2.82 in), the least in January (0.41 in).
| Month | High | Low | Mean | Precip. | Snow | Wet days | 90°F days | Freezing nights | Daylight |
|---|---|---|---|---|---|---|---|---|---|
| January | 36°F | 14°F | 24.9°F | 0.41 | 9.4 | 5 | <1 | 30 | 9 h |
| February | 39°F | 13°F | 26.1°F | 0.42 | 10.7 | 5 | <1 | 27 | 10 h 20 min |
| March | 48°F | 19°F | 33.5°F | 0.91 | 11.8 | 6 | <1 | 28 | 11 h 50 min |
| April | 55°F | 28°F | 41.2°F | 1.68 | 13.9 | 9 | <1 | 26 | 13 h 30 min |
| May | 64°F | 37°F | 50.3°F | 2.70 | 1.8 | 10 | <1 | 7 | 14 h 50 min |
| June | 73°F | 45°F | 58.6°F | 2.82 | 0.1 | 10 | 2 | 1 | 15 h 40 min |
| July | 84°F | 49°F | 66.8°F | 1.51 | 0.0 | 8 | 7 | <1 | 15 h 30 min |
| August | 83°F | 48°F | 65.6°F | 1.12 | 0.2 | 7 | 6 | <1 | 14 h 10 min |
| September | 74°F | 40°F | 57.1°F | 1.29 | 1.0 | 6 | 2 | 3 | 12 h 40 min |
| October | 58°F | 31°F | 44.6°F | 1.23 | 8.6 | 7 | <1 | 21 | 11 h |
| November | 45°F | 20°F | 32.4°F | 0.58 | 8.5 | 5 | <1 | 27 | 9 h 30 min |
| December | 36°F | 14°F | 25.2°F | 0.55 | 12.1 | 6 | <1 | 30 | 8 h 40 min |
| Year (annual) | 58°F | 30°F | 43.8°F | 15.22 | 78.1 | 85 | 16 | 199 |
The same normals in °C and millimetres
| Month | High | Low | Mean | Precip. | Snow |
|---|---|---|---|---|---|
| January | 2°C | −10°C | −3.9°C | 10 mm | 24 cm |
| February | 4°C | −10°C | −3.3°C | 11 mm | 27 cm |
| March | 9°C | −7°C | 0.8°C | 23 mm | 30 cm |
| April | 13°C | −2°C | 5.1°C | 43 mm | 35 cm |
| May | 18°C | 3°C | 10.2°C | 69 mm | 5 cm |
| June | 23°C | 7°C | 14.8°C | 72 mm | 0 cm |
| July | 29°C | 10°C | 19.3°C | 38 mm | 0 cm |
| August | 28°C | 9°C | 18.7°C | 28 mm | 1 cm |
| September | 23°C | 5°C | 13.9°C | 33 mm | 3 cm |
| October | 15°C | −1°C | 7.0°C | 31 mm | 22 cm |
| November | 7°C | −6°C | 0.2°C | 15 mm | 22 cm |
| December | 2°C | −10°C | −3.8°C | 14 mm | 31 cm |
Source: NOAA NCEI 1991-2020 monthly normals, station USC00243486; 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.
Which months are mildest at Gibson (2 mi NE)?
Normal highs sit between 65°F and 85°F in June, July, August and September. 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 USC00243486.
When is the last frost at Gibson (2 mi NE)?
In Gibson (2 mi NE), the last spring frost (32°F) comes after May 27 in half of years and after June 12 in one year in ten; the first autumn frost comes before September 18 in half of years and before September 3 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
- May 271 year in 10 after June 12; 9 in 10 after May 12
- First autumn frost, half of years before
- September 181 year in 10 before September 3; 9 in 10 before October 1
NOAA puts the median frost-free season at 113 days, and the season without a hard freeze (28°F) at 139 days.
A hard freeze (28°F) comes after May 12 in half of springs and before September 30 in half of autumns.
Frost dates for every NOAA station in Montana · Frost dates by ZIP code
Source: NOAA NCEI 1991-2020 annual normals (frost probabilities), station USC00243486. 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 at Gibson (2 mi NE)?
In a normal year in Gibson (2 mi NE), 16 days a year reach 90°F, 199 nights fall to 32°F or colder and 85 days bring measurable precipitation.
- Days at 90°F or more
- 16a normal year
- Days at 100°F or more
- fewer than 1a normal year
- Nights at 32°F or colder
- 199a normal year
- Days that stay below freezing
- 43high of 32°F or less
- Days with 0.01 inch of precipitation
- 85a normal year
- Days with 1 inch of snow or more
- 24a normal year
Source: NOAA NCEI 1991-2020 annual normals, station USC00243486.
How sunny is it at Gibson (2 mi NE)?
Over a year 76% of the sunlight that would reach the ground under clear skies gets through the clouds at Gibson (2 mi NE), 4.0 kWh per square metre a day. July is the sunniest month (87%) and December the cloudiest (66%).
| Month | Share of clear-sky sunshine | Sunshine, kWh/m² a day |
|---|---|---|
| January | 72% | 1.7 |
| February | 74% | 2.6 |
| March | 71% | 3.7 |
| April | 68% | 4.8 |
| May | 71% | 5.8 |
| June | 77% | 6.7 |
| July | 87% | 7.1 |
| August | 85% | 5.9 |
| September | 79% | 4.4 |
| October | 73% | 2.8 |
| November | 71% | 1.8 |
| December | 66% | 1.3 |
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 many heating and cooling degree days does Gibson (2 mi NE) record?
A normal year at Gibson (2 mi NE) brings 7,923 heating degree days, 47% more than the median U.S. place (5,373), and 233 cooling degree days, 74% fewer than the median (908). Eight months need 300 or more heating degree days, a monthly mean of about 55°F or colder. For gardens and crops, NOAA counts 1,710 growing degree days a year above 50°F.
| Month | Heating | Cooling |
|---|---|---|
| January | 1,245 | 0 |
| February | 1,090 | 0 |
| March | 977 | 0 |
| April | 715 | 0 |
| May | 458 | 1 |
| June | 206 | 12 |
| July | 47 | 100 |
| August | 77 | 96 |
| September | 259 | 22 |
| October | 636 | 2 |
| November | 978 | 0 |
| December | 1,235 | 0 |
| Year (annual) | 7,923 | 233 |
Source: NOAA NCEI 1991-2020 monthly normals, station USC00243486. 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.
Have recent years at Gibson (2 mi NE) been warmer than normal?
2024 averaged 45.2°F, 1.4°F above the 1991-2020 normal of 43.8°F. 2 of the 2 complete years since 2023 ran warmer than the normal.
| Year | Mean | Against normal | Precip. | Snow |
|---|---|---|---|---|
| 2023 | 44.0°F | +0.2°F | 16.59 | 71.0 |
| 2024 | 45.2°F | +1.4°F | 14.65 | 49.0 |
Source: observed years: ACIS, station USC00243486. A year counts only with all twelve months complete.
How does Gibson (2 mi NE)'s climate compare?
Gibson (2 mi NE) is warmer than 68 of the 141 places with their own NOAA record in Montana, and wetter than 78. Across the 7,247 U.S. stations with normals, its annual mean of 43.8°F is warmer than 15%.
In the Köppen classification computed from these normals, Gibson (2 mi NE) is BSk: cold semi-arid steppe. 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 Gibson (2 mi NE)'s climate
What is the coldest month at Gibson (2 mi NE)?
January, with a normal high of 36°F and a normal low of 14°F. The warmest is July (84°F by day, 49°F at night).
Does it snow at Gibson (2 mi NE)?
Yes: 78 inches in a normal year, falling on 30 days with 0.1 inch or more, the most in April (13.9 inches).
What is the rainiest month at Gibson (2 mi NE)?
June, with 2.82 in of precipitation in a normal year; the driest is January with 0.41 in.
How late can frost come at Gibson (2 mi NE)?
In half of years the last 32°F night comes after May 27; in one year in ten it comes after June 12. Waiting until June 12 leaves about a one-in-ten chance of a later frost.
Nearby and next
- Montana climateThe statewide normals and every place in the state
- Rapelje, MT12 miles from this station, 44.7°F a year
- Ryegate, MT21 miles from this station, 46.2°F a year
- Big Timber, MT26 miles from this station, 47.0°F a year
- Melville (4 mi W), MT27 miles from this station, 40.4°F a year
- Compare two placesMonth by month, side by side
Download these normals (CSV) · JSON · How these figures are made