Neihart, Montana climate: Normal weather by month, frost dates and records
Neihart's normal year runs from 16°F December nights to 81°F July afternoons. (NOAA 1991-2020 normals)
In metric: a yearly mean of 6.5°C, December lows of −9°C, July highs of 27°C.
- NOAA stationNeihart (8 mi NNW)
- Station IDUSC00246008
- Location47.04°N 110.78°W
- Elevation5,230 ft (1,594 m)
- From the center8 miles
- Population42
On October 24, the normal high in Neihart is 53°F and the normal low 29°F.
Normals describe a typical year at the station, not a forecast. The National Weather Service forecast for Neihart.
- Jan 37° 16°
- Feb 40° 16°
- Mar 47° 22°
- Apr 54° 27°
- May 63° 35°
- Jun 71° 42°
- Jul 81° 47°
- Aug 81° 47°
- Sep 72° 40°
- Oct 58° 32°
- Nov 44° 24°
- Dec 37° 16°
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 Neihart each month?
July is the warmest month, with normal highs of 81°F; December the coldest, with normal lows of 16°F.
| Month | High | Low | Mean | Wet days | 90°F days | Freezing nights | Daylight |
|---|---|---|---|---|---|---|---|
| January | 37°F | 16°F | 26.6°F | – | <1 | 29 | 8 h 50 min |
| February | 40°F | 16°F | 27.7°F | – | <1 | 26 | 10 h 20 min |
| March | 47°F | 22°F | 34.1°F | – | <1 | 27 | 11 h 50 min |
| April | 54°F | 27°F | 40.9°F | – | <1 | 23 | 13 h 30 min |
| May | 63°F | 35°F | 49.0°F | – | <1 | 11 | 15 h |
| June | 71°F | 42°F | 56.6°F | – | <1 | 2 | 15 h 50 min |
| July | 81°F | 47°F | 64.1°F | – | 3 | <1 | 15 h 30 min |
| August | 81°F | 47°F | 64.1°F | – | 4 | 1 | 14 h 20 min |
| September | 72°F | 40°F | 55.9°F | – | 1 | 5 | 12 h 40 min |
| October | 58°F | 32°F | 44.8°F | – | <1 | 18 | 11 h |
| November | 44°F | 24°F | 33.8°F | – | <1 | 25 | 9 h 30 min |
| December | 37°F | 16°F | 26.4°F | – | <1 | 29 | 8 h 30 min |
| Year (annual) | 57°F | 30°F | 43.7°F | – | 8 | 196 |
The same normals in °C and millimetres
| Month | High | Low | Mean |
|---|---|---|---|
| January | 3°C | −9°C | −3.0°C |
| February | 4°C | −9°C | −2.4°C |
| March | 8°C | −6°C | 1.2°C |
| April | 12°C | −3°C | 4.9°C |
| May | 17°C | 2°C | 9.4°C |
| June | 22°C | 5°C | 13.7°C |
| July | 27°C | 8°C | 17.8°C |
| August | 27°C | 8°C | 17.8°C |
| September | 22°C | 4°C | 13.3°C |
| October | 14°C | 0°C | 7.1°C |
| November | 7°C | −5°C | 1.0°C |
| December | 3°C | −9°C | −3.1°C |
NOAA publishes no 1991-2020 snowfall normal for this station. The nearest record that keeps one, Millegan (14 mi SE) (22 miles away), gets 149 inches of snow in a normal year; elevation and distance can change that.
Source: NOAA NCEI 1991-2020 monthly normals, station USC00246008; 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 Neihart?
Normal highs sit between 65°F and 85°F in June, July, August and September.
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 USC00246008.
When is the last frost in Neihart?
In Neihart, the last spring frost (32°F) comes after June 6 in half of years and after June 28 in one year in ten; the first autumn frost comes before September 12 in half of years and before August 29 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
- June 61 year in 10 after June 28; 9 in 10 after May 23
- First autumn frost, half of years before
- September 121 year in 10 before August 29; 9 in 10 before September 27
NOAA puts the median frost-free season at 99 days, and the season without a hard freeze (28°F) at 130 days.
A hard freeze (28°F) comes after May 18 in half of springs and before September 26 in half of autumns.
The USDA's 2023 Plant Hardiness Zone Map puts Neihart in zone 4b in ZIP code 59465, the nearest ZIP area.
Frost dates for every NOAA station in Montana · Frost dates by ZIP code
Source: NOAA NCEI 1991-2020 annual normals (frost probabilities), station USC00246008; 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 Neihart?
In a normal year in Neihart, 8 days a year reach 90°F and 196 nights fall to 32°F or colder.
- Days at 90°F or more
- 8a normal year
- Days at 100°F or more
- fewer than 1a normal year
- Nights at 32°F or colder
- 196a normal year
- Days that stay below freezing
- 36high of 32°F or less
The highest temperature in this station's record (since 1967) is 97°F, on July 15, 2002; the lowest is −46°F, on February 3, 1989.
The wettest calendar year on that record is 1993, with 36.11 in; the snowiest season is 1981–82, with 156.0 inches.
Source: NOAA NCEI 1991-2020 annual normals, station USC00246008; records: ACIS (NOAA Regional Climate Centers), station USC00246008. Records use complete months only; a month missing more than three days is left out.
How sunny is Neihart?
Over a year 76% of the sunlight that would reach the ground under clear skies gets through the clouds in the area around Neihart, 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 | 71% | 1.5 |
| February | 73% | 2.5 |
| March | 71% | 3.6 |
| April | 69% | 4.8 |
| May | 71% | 5.8 |
| June | 76% | 6.6 |
| July | 87% | 7.2 |
| August | 85% | 5.9 |
| September | 78% | 4.3 |
| October | 72% | 2.7 |
| November | 68% | 1.6 |
| December | 66% | 1.2 |
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 Neihart need?
A normal year in Neihart brings 7,907 heating degree days, 47% more than the median U.S. place (5,373), and 157 cooling degree days, 83% 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 1,469 growing degree days a year above 50°F.
| Month | Heating | Cooling |
|---|---|---|
| January | 1,189 | 0 |
| February | 1,043 | 0 |
| March | 958 | 0 |
| April | 725 | 0 |
| May | 497 | 1 |
| June | 261 | 9 |
| July | 95 | 66 |
| August | 97 | 69 |
| September | 286 | 13 |
| October | 627 | 1 |
| November | 936 | 0 |
| December | 1,195 | 0 |
| Year (annual) | 7,907 | 157 |
Source: NOAA NCEI 1991-2020 monthly normals, station USC00246008. 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 Neihart's climate compare?
Neihart is warmer than 64 of the other 140 places with their own NOAA record in Montana. Across the 7,247 U.S. stations with normals, its annual mean of 43.7°F is warmer than 14%.
Source: NOAA NCEI 1991-2020 normals for every station PlainClimate covers.
Which places near Neihart share this climate record?
Monarch has no NOAA station with 1991-2020 normals of its 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.
- Monarch, MT23 people · 5 mi NW
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 Neihart's climate
What is the coldest month in Neihart?
December, with a normal high of 37°F and a normal low of 16°F. The warmest is July (81°F by day, 47°F at night).
Does it snow in Neihart?
Yes. NOAA publishes no 1991-2020 snowfall normal for Neihart's NOAA station; the nearest record that keeps one, Millegan (14 mi SE) (22 miles away), records 149 inches of snow in a normal year.
What plant hardiness zone is Neihart in?
The USDA's 2023 map puts Neihart in zone 4b in ZIP code 59465, the nearest ZIP area.
How late can frost come in Neihart?
In half of years the last 32°F night comes after June 6; in one year in ten it comes after June 28. Waiting until June 28 leaves about a one-in-ten chance of a later frost.
Nearby and next
- Montana climateThe statewide normals and every place in the state
- Raynesford, MT18 miles from this station, 44.9°F a year
- Millegan (14 mi SE), MT22 miles from this station, 40.9°F a year
- Lewistown (42 mi WSW), MT25 miles from this station, 40.6°F a year
- Stanford, MT27 miles from this station, 44.6°F a year
- Compare two placesMonth by month, side by side
Download these normals (CSV) · JSON · How these figures are made