Photo: Andrew Filer from Seattle (ex-Minneapolis) · CC BY-SA 2.0Kulm sits near the bottom of U.S. towns for winter warmth
July afternoons average 80°. Summers stay cool: July afternoons here are cooler than in 92% of U.S. towns. Since 1901–2000, the year has warmed by 1.1°, most of all in January. For walks and days out, the stretch from May to September brings highs of 66–80°.
A year in Kulm at a glance
Each month’s typical high and low, and what it brings.
What stands out about Kulm’s climate
Compared with towns across the U.S., with Kulm’s place in North Dakota beside it.
What a year in Kulm feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
About 148 frost-free days a year
In half of years the last 32° night comes by May 7 and the first by October 2. Frost and day counts come from NOAA’s station at Edgeley 3wnw, ND, 10 miles from the town’s center, 350 ft lower.
The 2023 USDA map puts Kulm’s center in zone 4b: the coldest night of a typical winter, averaged over 1991–2020, reaches about −23°. Plant labels use the zone; frost dates tell you when to plant.
Freezing nights by month
Average nights at or below 32°
90° days by month
Average days at 90° or more
About 22 inches of rain a year
June is the wettest month and January the driest.
Rain + melted snow by month
Inches of water
Heating and cooling a home in Kulm
95% of the work is heating, so the furnace matters far more than the air conditioner. Months averaging under 55° run from October through May.
Degree days add up how far each day’s average falls below (heating) or rises above (cooling) 65° over a year. NOAA normals at Edgeley 3wnw, ND.
Living with Kulm’s climate
What the numbers mean for a garden, a free afternoon and a bad-weather day.
148 frost-free days in zone 4b. The last frost comes by May 7 in half of years, so many gardeners wait a week or two past that to set out tomatoes. The first fall frost comes by Oct 2.
Months with highs of 62–84° and lows of 40° or more: May, June, July, August and September. 0.5 miles of trails are waiting.
Parks & trails →Cold waves are 49% of the yearly building losses FEMA expects in Kulm from natural hazards, the largest share. Normals are averages; the hazards page covers the extremes.
Natural hazards →Kulm and similar climates
TownRatings has no climate map of the towns around Kulm yet.
Temperatures and precipitation come from NOAA’s 5 km grid; snow and day counts from the stations named on this page.
Warmer than it used to be
The last 30 years in Kulm averaged 1.1° warmer than the 1900s. The biggest change is in January (+3.7°).
A smaller shift than in 68% of U.S. towns.
Change by month
The two periods overlap (1991–2000 is in both), which makes the gap a little smaller than it would be between separate periods.
How Kulm compares
Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with Kulm’s place among North Dakota’s.
Kulm weather by month
Highs, lows and precipitation from NOAA’s grid at Kulm’s center. 1991–2020 normals.
| Month | High | Low | Rain + melt | 30-yr range |
|---|---|---|---|---|
| January | 20° | 3° | 0.6" | −2° – 26° |
| February | 24° | 7° | 0.6" | −2° – 27° |
| March | 37° | 18° | 1.0" | 17° – 41° |
| April | 52° | 30° | 1.7" | 31° – 48° |
| May | 66° | 42° | 3.1" | 49° – 61° |
| June | 75° | 53° | 3.6" | 58° – 69° |
| July | 80° | 57° | 3.5" | 61° – 74° |
| August | 79° | 55° | 2.5" | 61° – 72° |
| September | 70° | 46° | 2.4" | 52° – 63° |
| October | 54° | 33° | 1.8" | 35° – 49° |
| November | 37° | 20° | 0.7" | 16° – 40° |
| December | 24° | 9° | 0.6" | 4° – 25° |
| Year | 51° | 31° | 21.9" |
How much a month can swing
A normal is an average. February swings the most: from 1991 to 2020 its average ranged from -2° to 27°. June is the most reliable, staying within 10°.
Where Kulm’s numbers come from
Normals are 30-year averages, not a forecast. How TownRatings reads climate data →
- Temperatures and precipitation: NOAA’s gridded 1991–2020 normals for the 5 km cell at Kulm’s center.
- Frost, freezing nights, 90° and 100° days, heating and cooling: Edgeley 3wnw, ND, 10 miles from the town’s center, 350 ft lower; the nearest station that passes our checks for distance, height and agreement with the grid.
- Growing zone: USDA Plant Hardiness Zone Map, 2023. USDA Agricultural Research Service and PRISM Group, Oregon State University, prism.oregonstate.edu/phzm, accessed 8 Oct 2026.
- Then and now: NOAA’s gridded normals for 1901–2000 at the same cell.
- Storms and extremes: FEMA National Risk Index (expected annual losses to buildings).
Common questions about Kulm’s climate
What is the weather like in Kulm?
A typical July afternoon reaches 80°, a January night drops to 3°. Colder January nights than all but 104 U.S. towns; cooler July afternoons than 92% of U.S. towns.
How cold does it get in Kulm in winter?
January nights average 3°. About 177 nights a year reach 32° or below and 40 reach 0° or below. In the coldest January of the last 30 years the month averaged −2°.
How hot does it get in Kulm?
July, with a typical high of 80° and a low of 57°. About 8 days a year reach 90° (Edgeley 3wnw, ND).
When is the first and last frost in Kulm?
In half of years the last spring frost (32°) comes by May 7 and the first fall frost by October 2, about 148 frost-free days, at Edgeley 3wnw, ND.
What growing zone is Kulm in?
Zone 4b on the 2023 USDA Plant Hardiness Zone Map: the coldest night of a typical winter reaches about −23°.
What is the best time of year to visit Kulm?
By one simple rule (highs of 62–84° and lows of 40° or more), May, June, July, August and September. The rule is ours, not NOAA’s; the month table has the numbers to judge by.
Is Kulm getting warmer?
Yes: 1991–2020 averaged 1.1° warmer than 1901–2000 on NOAA’s grid. A smaller shift than 68% of U.S. towns.
Neighbors talk weather
Gardens, snow, and the best days of the year in Kulm.
Source: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000; USDA/PRISM 2023 hardiness zones; FEMA National Risk Index. Today’s forecast: National Weather Service.