Trotters (3 mi SSE), North Dakota climate: Climate normals at a NOAA weather station
Trotters (3 mi SSE)'s normal year runs from 7°F January nights to 85°F July afternoons, with 15.8 inches of precipitation and 35 inches of snow a year. (NOAA 1991-2020 normals)
In metric: a yearly mean of 6.4°C, January lows of −14°C, July highs of 29°C, 400 mm of precipitation a year.
- NOAA stationTrotters (3 mi SSE)
- Station IDUSC00328812
- Location47.28°N 103.90°W
- Elevation2,420 ft (738 m)
On October 23, the normal high in Trotters (3 mi SSE) is 52°F and the normal low 30°F, and the chance of measurable rain or snow is 23%.
Normals describe a typical year at the station, not a forecast. The National Weather Service forecast for Trotters (3 mi SSE).
- Jan 26° 7°
- Feb 31° 10°
- Mar 43° 20°
- Apr 56° 30°
- May 67° 41°
- Jun 76° 51°
- Jul 85° 56°
- Aug 84° 55°
- Sep 73° 45°
- Oct 56° 33°
- Nov 41° 20°
- Dec 29° 11°
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 Trotters (3 mi SSE) each month?
July is the warmest month, with normal highs of 85°F; January the coldest, with normal lows of 7°F. The most precipitation falls in June (2.80 in), the least in January (0.36 in).
| Month | High | Low | Mean | Precip. | Snow | Wet days | 90°F days | Freezing nights | Daylight |
|---|---|---|---|---|---|---|---|---|---|
| January | 26°F | 7°F | 16.6°F | 0.36 | 5.3 | 7 | <1 | 30 | 8 h 50 min |
| February | 31°F | 10°F | 20.3°F | 0.41 | 5.2 | 6 | <1 | 27 | 10 h 10 min |
| March | 43°F | 20°F | 31.5°F | 0.61 | 4.7 | 8 | <1 | 27 | 11 h 50 min |
| April | 56°F | 30°F | 43.4°F | 1.39 | 4.5 | 8 | <1 | 17 | 13 h 30 min |
| May | 67°F | 41°F | 53.9°F | 2.52 | 1.3 | 13 | <1 | 5 | 15 h |
| June | 76°F | 51°F | 63.2°F | 2.80 | 0.0 | 13 | 2 | <1 | 15 h 50 min |
| July | 85°F | 56°F | 70.6°F | 2.28 | 0.0 | 9 | 9 | <1 | 15 h 40 min |
| August | 84°F | 55°F | 69.5°F | 1.45 | 0.0 | 7 | 9 | <1 | 14 h 20 min |
| September | 73°F | 45°F | 59.1°F | 1.56 | 0.1 | 7 | 3 | 2 | 12 h 40 min |
| October | 56°F | 33°F | 44.4°F | 1.29 | 3.1 | 7 | <1 | 15 | 11 h |
| November | 41°F | 20°F | 30.4°F | 0.61 | 5.3 | 6 | <1 | 26 | 9 h 20 min |
| December | 29°F | 11°F | 19.9°F | 0.47 | 5.6 | 7 | <1 | 30 | 8 h 30 min |
| Year (annual) | 56°F | 32°F | 43.6°F | 15.75 | 35.1 | 99 | 23 | 180 |
The same normals in °C and millimetres
| Month | High | Low | Mean | Precip. | Snow |
|---|---|---|---|---|---|
| January | −3°C | −14°C | −8.6°C | 9 mm | 13 cm |
| February | −1°C | −12°C | −6.5°C | 10 mm | 13 cm |
| March | 6°C | −7°C | −0.3°C | 15 mm | 12 cm |
| April | 14°C | −1°C | 6.3°C | 35 mm | 11 cm |
| May | 19°C | 5°C | 12.2°C | 64 mm | 3 cm |
| June | 24°C | 10°C | 17.3°C | 71 mm | 0 cm |
| July | 29°C | 13°C | 21.4°C | 58 mm | 0 cm |
| August | 29°C | 13°C | 20.8°C | 37 mm | 0 cm |
| September | 23°C | 7°C | 15.1°C | 40 mm | 0 cm |
| October | 13°C | 0°C | 6.9°C | 33 mm | 8 cm |
| November | 5°C | −6°C | −0.9°C | 15 mm | 13 cm |
| December | −1°C | −12°C | −6.7°C | 12 mm | 14 cm |
Source: NOAA NCEI 1991-2020 monthly normals, station USC00328812; 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 Trotters (3 mi SSE)?
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 (7).
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 USC00328812.
When is the last frost at Trotters (3 mi SSE)?
In Trotters (3 mi SSE), the last spring frost (32°F) comes after May 15 in half of years and after May 29 in one year in ten; the first autumn frost comes before September 25 in half of years and before September 13 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 151 year in 10 after May 29; 9 in 10 after May 3
- First autumn frost, half of years before
- September 251 year in 10 before September 13; 9 in 10 before October 7
NOAA puts the median frost-free season at 132 days, and the season without a hard freeze (28°F) at 150 days.
A hard freeze (28°F) comes after May 5 in half of springs and before October 3 in half of autumns.
The USDA's 2023 Plant Hardiness Zone Map puts Trotters (3 mi SSE) in zone 4a in ZIP code 58621, 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 −25°F (20 complete years).
Frost dates for every NOAA station in North Dakota · Frost dates by ZIP code
Source: NOAA NCEI 1991-2020 annual normals (frost probabilities), station USC00328812; 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 Trotters (3 mi SSE)?
In a normal year in Trotters (3 mi SSE), 23 days a year reach 90°F (3 of them 100°F or more), 180 nights fall to 32°F or colder and 99 days bring measurable precipitation.
- Days at 90°F or more
- 23a normal year
- Days at 100°F or more
- 3a normal year
- Nights at 32°F or colder
- 180a normal year
- Days that stay below freezing
- 68high of 32°F or less
- Days with 0.01 inch of precipitation
- 99a normal year
- Days with 1 inch of snow or more
- 13a normal year
The highest temperature in this station's record (since 1959) is 110°F, on July 6, 1981; the lowest is −37°F, on January 10, 1982.
The wettest calendar year on that record is 2010, with 21.55 in; the snowiest season is 1985–86, with 56.7 inches.
Source: NOAA NCEI 1991-2020 annual normals, station USC00328812; records: ACIS (NOAA Regional Climate Centers), station USC00328812. Records use complete months only; a month missing more than three days is left out.
How sunny is it at Trotters (3 mi SSE)?
Over a year 77% of the sunlight that would reach the ground under clear skies gets through the clouds at Trotters (3 mi SSE), 4.0 kWh per square metre a day. July is the sunniest month (86%) and December the cloudiest (66%).
| Month | Share of clear-sky sunshine | Sunshine, kWh/m² a day |
|---|---|---|
| January | 77% | 1.7 |
| February | 78% | 2.7 |
| March | 74% | 3.8 |
| April | 72% | 4.8 |
| May | 73% | 5.8 |
| June | 77% | 6.5 |
| July | 86% | 6.9 |
| August | 83% | 5.7 |
| September | 78% | 4.2 |
| October | 71% | 2.6 |
| November | 70% | 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 many heating and cooling degree days does Trotters (3 mi SSE) record?
A normal year at Trotters (3 mi SSE) brings 8,264 heating degree days, 54% more than the median U.S. place (5,373), and 487 cooling degree days, 46% 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 2,224 growing degree days a year above 50°F.
| Month | Heating | Cooling |
|---|---|---|
| January | 1,500 | 0 |
| February | 1,251 | 0 |
| March | 1,039 | 0 |
| April | 649 | 1 |
| May | 352 | 8 |
| June | 115 | 60 |
| July | 24 | 196 |
| August | 37 | 177 |
| September | 221 | 44 |
| October | 640 | 1 |
| November | 1,038 | 0 |
| December | 1,398 | 0 |
| Year (annual) | 8,264 | 487 |
Source: NOAA NCEI 1991-2020 monthly normals, station USC00328812. 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 Trotters (3 mi SSE)'s climate compare?
Trotters (3 mi SSE) is warmer than 89 of the 92 places with their own NOAA record in North Dakota, and wetter than 5. Across the 7,247 U.S. stations with normals, its annual mean of 43.6°F is warmer than 14%.
In the Köppen classification computed from these normals, Trotters (3 mi SSE) 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 Trotters (3 mi SSE)'s climate
What is the coldest month at Trotters (3 mi SSE)?
January, with a normal high of 26°F and a normal low of 7°F. The warmest is July (85°F by day, 56°F at night).
Does it snow at Trotters (3 mi SSE)?
Yes: 35 inches in a normal year, falling on 37 days with 0.1 inch or more, the most in December (5.6 inches).
What is the rainiest month at Trotters (3 mi SSE)?
June, with 2.80 in of precipitation in a normal year; the driest is January with 0.36 in.
What plant hardiness zone is Trotters (3 mi SSE) in?
The USDA's 2023 map puts Trotters (3 mi SSE) in zone 4a in ZIP code 58621, the nearest ZIP area. By the same method at the station, the coldest night of a typical year reaches −25°F (20 years, 1991-2020): zone 4a.
How late can frost come at Trotters (3 mi SSE)?
In half of years the last 32°F night comes after May 15; in one year in ten it comes after May 29. Waiting until May 29 leaves about a one-in-ten chance of a later frost.
Nearby and next
- North Dakota climateThe statewide normals and every place in the state
- Savage, MT24 miles from this station, 45.8°F a year
- Wibaux, MT24 miles from this station, 42.0°F a year
- Beach, ND25 miles from this station, 43.7°F a year
- Fairfield, ND32 miles from this station, 42.5°F a year
- Compare two placesMonth by month, side by side
Download these normals (CSV) · JSON · How these figures are made