Raymond Border Station, Montana climate: Climate normals at a NOAA weather station
Raymond Border Station's normal year runs from 2°F January nights to 81°F July afternoons, with 15.1 inches of precipitation and 31 inches of snow a year. (NOAA 1991-2020 normals)
In metric: a yearly mean of 4.8°C, January lows of −17°C, July highs of 27°C, 384 mm of precipitation a year.
- NOAA stationRaymond Border Station
- Station IDUSC00246893
- Location49.00°N 104.58°W
- Elevation2,345 ft (715 m)
On October 22, the normal high in Raymond Border Station is 51°F and the normal low 28°F, and the chance of measurable rain or snow is 13%.
Normals describe a typical year at the station, not a forecast. The National Weather Service forecast for Raymond Border Station.
- Jan 21° 2°
- Feb 25° 5°
- Mar 38° 17°
- Apr 55° 29°
- May 67° 40°
- Jun 74° 49°
- Jul 81° 54°
- Aug 81° 53°
- Sep 71° 43°
- Oct 54° 31°
- Nov 36° 18°
- Dec 24° 7°
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 Raymond Border Station each month?
July is the warmest month, with normal highs of 81°F; January the coldest, with normal lows of 2°F. The most precipitation falls in June (3.24 in), the least in January (0.39 in).
| Month | High | Low | Mean | Precip. | Snow | Wet days | 90°F days | Freezing nights | Daylight |
|---|---|---|---|---|---|---|---|---|---|
| January | 21°F | 2°F | 11.3°F | 0.39 | 7.7 | 4 | <1 | 31 | 8 h 40 min |
| February | 25°F | 5°F | 15.2°F | 0.47 | 4.6 | 4 | <1 | 28 | 10 h 10 min |
| March | 38°F | 17°F | 27.3°F | 0.52 | 4.2 | 4 | <1 | 28 | 11 h 50 min |
| April | 55°F | 29°F | 41.5°F | 1.16 | 2.0 | 6 | <1 | 19 | 13 h 40 min |
| May | 67°F | 40°F | 53.1°F | 2.17 | 0.1 | 8 | <1 | 6 | 15 h 10 min |
| June | 74°F | 49°F | 61.6°F | 3.24 | 0.0 | 10 | 1 | <1 | 16 h 10 min |
| July | 81°F | 54°F | 67.6°F | 2.64 | 0.0 | 8 | 5 | <1 | 15 h 50 min |
| August | 81°F | 53°F | 67.0°F | 1.78 | 0.0 | 6 | 6 | <1 | 14 h 30 min |
| September | 71°F | 43°F | 57.2°F | 1.07 | 0.0 | 5 | 1 | 3 | 12 h 40 min |
| October | 54°F | 31°F | 42.7°F | 0.80 | 1.5 | 5 | <1 | 16 | 10 h 50 min |
| November | 36°F | 18°F | 26.9°F | 0.40 | 2.7 | 3 | <1 | 27 | 9 h 10 min |
| December | 24°F | 7°F | 15.3°F | 0.49 | 8.5 | 3 | <1 | 31 | 8 h 20 min |
| Year (annual) | 52°F | 29°F | 40.6°F | 15.13 | 31.3 | 66 | 13 | 188 |
The same normals in °C and millimetres
| Month | High | Low | Mean | Precip. | Snow |
|---|---|---|---|---|---|
| January | −6°C | −17°C | −11.5°C | 10 mm | 20 cm |
| February | −4°C | −15°C | −9.3°C | 12 mm | 12 cm |
| March | 3°C | −8°C | −2.6°C | 13 mm | 11 cm |
| April | 13°C | −2°C | 5.3°C | 29 mm | 5 cm |
| May | 19°C | 4°C | 11.7°C | 55 mm | 0 cm |
| June | 23°C | 10°C | 16.4°C | 82 mm | 0 cm |
| July | 27°C | 12°C | 19.8°C | 67 mm | 0 cm |
| August | 27°C | 11°C | 19.4°C | 45 mm | 0 cm |
| September | 22°C | 6°C | 14.0°C | 27 mm | 0 cm |
| October | 12°C | −1°C | 5.9°C | 20 mm | 4 cm |
| November | 2°C | −8°C | −2.8°C | 10 mm | 7 cm |
| December | −5°C | −14°C | −9.3°C | 12 mm | 22 cm |
Source: NOAA NCEI 1991-2020 monthly normals, station USC00246893; 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 Raymond Border Station?
Normal highs sit between 65°F and 85°F in May, June, July, August and September. Of those, September has the fewest days with rain (5).
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 USC00246893.
When is the last frost at Raymond Border Station?
In Raymond Border Station, the last spring frost (32°F) comes after May 19 in half of years and after June 1 in one year in ten; the first autumn frost comes before September 23 in half of years and before September 11 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 191 year in 10 after June 1; 9 in 10 after May 6
- First autumn frost, half of years before
- September 231 year in 10 before September 11; 9 in 10 before October 3
NOAA puts the median frost-free season at 125 days, and the season without a hard freeze (28°F) at 144 days.
A hard freeze (28°F) comes after May 9 in half of springs and before September 30 in half of autumns.
The USDA's 2023 Plant Hardiness Zone Map puts Raymond Border Station in zone 4a in ZIP code 59256, the nearest ZIP area. By the map's own method, the average of each year's coldest night over 1991-2020, the station is in zone 4a: the coldest night of a typical year reaches −29°F (22 complete years).
Frost dates for every NOAA station in Montana · Frost dates by ZIP code
Source: NOAA NCEI 1991-2020 annual normals (frost probabilities), station USC00246893; 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 at Raymond Border Station?
In a normal year in Raymond Border Station, 13 days a year reach 90°F, 188 nights fall to 32°F or colder and 66 days bring measurable precipitation.
- Days at 90°F or more
- 13a normal year
- Days at 100°F or more
- fewer than 1a normal year
- Nights at 32°F or colder
- 188a normal year
- Days that stay below freezing
- 87high of 32°F or less
- Days with 0.01 inch of precipitation
- 66a normal year
- Days with 1 inch of snow or more
- 9a normal year
The highest temperature in this station's record (since 1950) is 110°F, on July 22, 1963; the lowest is −44°F, on January 20, 1954.
The wettest calendar year on that record is 2011, with 29.89 in; the snowiest season is 2008–09, with 83.5 inches.
Source: NOAA NCEI 1991-2020 annual normals, station USC00246893; records: ACIS (NOAA Regional Climate Centers), station USC00246893. Records use complete months only; a month missing more than three days is left out.
How sunny is it at Raymond Border Station?
Over a year 78% of the sunlight that would reach the ground under clear skies gets through the clouds at Raymond Border Station, 4.0 kWh per square metre a day. July is the sunniest month (86%) and December the cloudiest (70%).
| Month | Share of clear-sky sunshine | Sunshine, kWh/m² a day |
|---|---|---|
| January | 80% | 1.6 |
| February | 83% | 2.8 |
| March | 77% | 3.9 |
| April | 73% | 4.9 |
| May | 74% | 5.9 |
| June | 77% | 6.5 |
| July | 86% | 6.8 |
| August | 83% | 5.6 |
| September | 78% | 4.1 |
| October | 73% | 2.6 |
| November | 72% | 1.6 |
| December | 70% | 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 many heating and cooling degree days does Raymond Border Station record?
A normal year at Raymond Border Station brings 9,199 heating degree days, 71% more than the median U.S. place (5,373), and 334 cooling degree days, 63% 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 1,937 growing degree days a year above 50°F.
| Month | Heating | Cooling |
|---|---|---|
| January | 1,663 | 0 |
| February | 1,393 | 0 |
| March | 1,167 | 0 |
| April | 704 | 0 |
| May | 379 | 10 |
| June | 143 | 42 |
| July | 47 | 127 |
| August | 63 | 125 |
| September | 262 | 28 |
| October | 693 | 2 |
| November | 1,143 | 0 |
| December | 1,542 | 0 |
| Year (annual) | 9,199 | 334 |
Source: NOAA NCEI 1991-2020 monthly normals, station USC00246893. 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 Raymond Border Station been warmer than normal?
Over 44 complete years from 1951 to 2018, the station's annual mean temperature rose at a fitted 2.1°F per century (+0.12°C per decade). A fitted rate summarizes the whole record; single years swing well above and below it.
Source: trend: NOAA GHCN-Monthly v4. A year counts only with all twelve months complete.
How does Raymond Border Station's climate compare?
Raymond Border Station is warmer than 19 of the 141 places with their own NOAA record in Montana, and wetter than 77. Across the 7,247 U.S. stations with normals, its annual mean of 40.6°F is warmer than 7%.
In the Köppen classification computed from these normals, Raymond Border Station is Dfb: continental, no dry season, warm 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 Raymond Border Station's climate
What is the coldest month at Raymond Border Station?
January, with a normal high of 21°F and a normal low of 2°F. The warmest is July (81°F by day, 54°F at night).
Does it snow at Raymond Border Station?
Yes: 31 inches in a normal year, falling on 14 days with 0.1 inch or more, the most in December (8.5 inches).
What is the rainiest month at Raymond Border Station?
June, with 3.24 in of precipitation in a normal year; the driest is January with 0.39 in.
What plant hardiness zone is Raymond Border Station in?
The USDA's 2023 map puts Raymond Border Station in zone 4a in ZIP code 59256, the nearest ZIP area. By the same method at the station, the coldest night of a typical year reaches −29°F (22 years, 1991-2020): zone 4a.
How late can frost come at Raymond Border Station?
In half of years the last 32°F night comes after May 19; in one year in ten it comes after June 1. Waiting until June 1 leaves about a one-in-ten chance of a later frost.
Nearby and next
- Montana climateThe statewide normals and every place in the state
- Plentywood, MT16 miles from this station, 39.4°F a year
- Redstone, MT21 miles from this station, 39.7°F a year
- Westby, MT25 miles from this station, 39.1°F a year
- Fortuna, ND35 miles from this station, 38.3°F a year
- Compare two placesMonth by month, side by side
Download these normals (CSV) · JSON · How these figures are made