Photo: Andrew Filer from Seattle (ex-Minneapolis) · CC BY-SA 2.0Dickinson’s winters are colder and snowier than most of the U.S.
A typical July afternoon reaches 83°, a January night drops to 5°, and about 35 inches of snow falls in a normal winter.
A year in Dickinson at a glance
Each month’s typical high and low, and what it brings.
What stands out about Dickinson’s climate
Compared with towns across the U.S., with Dickinson’s place in North Dakota beside it.
What a year in Dickinson feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
About 123 frost-free days a year
In half of years the last 32° night comes by May 20 and the first by September 22. Frost and day counts come from NOAA’s station at Dickinson, ND, 0.9 miles from the town’s center, at about the same height.
The 2023 USDA map puts Dickinson’s center in zone 4a: the coldest night of a typical winter, averaged over 1991–2020, reaches about −26°. 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 35 inches of snow a winter
Snow, measured at Taylor 7 Nnw, ND, falls mostly in March and December. Precipitation (rain plus melted snow) adds up to 16 inches a year; June is the wettest month and January the driest. Rain or snow falls on about 84 days a year.
Rain + melted snow by month
Inches of water
Snowfall by month
Inches of snow
Heating and cooling a home in Dickinson
96% 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 Dickinson, ND.
Living with Dickinson’s climate
What the numbers mean for a garden, a free afternoon and a bad-weather day.
123 frost-free days in zone 4a. The last frost comes by May 20 in half of years, so many gardeners wait a week or two past that to set out tomatoes. The first fall frost comes by Sep 22.
Months with highs of 62–84° and lows of 40° or more: June, July, August and September. 14 miles of trails are waiting.
Parks & trails →Cold waves are 40% of the yearly building losses FEMA expects in Dickinson from natural hazards, the largest share. Normals are averages; the hazards page covers the extremes.
Natural hazards →Dickinson and similar climates
TownRatings has no climate map of the towns around Dickinson yet.
Climates most like Dickinson’s, farther away
TownRatings’ own comparison of NOAA 1991–2020 normals, not a NOAA product: places of 5,000+ at least 150 miles away, one per state, closest on January low, July high, precipitation and snow.
| Town | Jan. low | July high | Precip. | Snow |
|---|---|---|---|---|
| Dickinson, ND | 5° | 83° | 16" | 35" |
| Havre, MT | 6° | 85° | 13" | 41" |
| Aberdeen, SD | 3° | 84° | 22" | 43" |
| Taos, NM | 11° | 84° | 13" | 28" |
| Alamosa, CO | 3° | 82° | 8" | 30" |
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 Dickinson averaged 1.0° warmer than the 1900s. The biggest change is in January (+4.1°).
A smaller shift than in 77% 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 Dickinson compares
Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with Dickinson’s place among North Dakota’s.
Dickinson weather by month
Highs, lows and precipitation from NOAA’s grid at Dickinson’s center; snow, wet days and snow on the ground from Taylor 7 Nnw, ND. 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | Snow on ground | 30-yr range |
|---|---|---|---|---|---|---|---|
| January | 26° | 5° | 0.4" | 5.5" | 5 | 20 | 5° – 29° |
| February | 30° | 8° | 0.4" | 5.8" | 5 | 15 | −1° – 31° |
| March | 41° | 19° | 0.7" | 6.4" | 6 | 10 | 16° – 44° |
| April | 55° | 29° | 1.3" | 3.4" | 8 | 4 | 35° – 48° |
| May | 66° | 40° | 2.7" | 0.9" | 10 | 0 | 48° – 59° |
| June | 75° | 50° | 3.1" | 0.1" | 11 | 0 | 58° – 67° |
| July | 83° | 55° | 2.4" | 0.0" | 8 | 0 | 61° – 75° |
| August | 83° | 53° | 1.7" | 0.0" | 7 | 0 | 63° – 73° |
| September | 72° | 44° | 1.6" | 0.1" | 6 | 0 | 52° – 63° |
| October | 56° | 31° | 1.3" | 2.6" | 7 | 2 | 34° – 49° |
| November | 40° | 19° | 0.5" | 3.7" | 4 | 5 | 17° – 39° |
| December | 29° | 9° | 0.4" | 6.6" | 5 | 12 | 7° – 27° |
| Year | 55° | 30° | 16.4" | 35.1" | 84 | 69 |
How much a month can swing
A normal is an average. February swings the most: from 1991 to 2020 its average ranged from -1° to 31°. June is the most reliable, staying within 9°.
Where Dickinson’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 Dickinson’s center.
- Snow: Taylor 7 Nnw, ND.
- Frost, freezing nights, 90° and 100° days, heating and cooling: Dickinson, ND, 0.9 miles from the town’s center, at about the same height; 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 Dickinson’s climate
What is the weather like in Dickinson?
A typical July afternoon reaches 83°, a January night drops to 5°, and about 35 inches of snow falls in a normal winter. Colder January nights than 98% of U.S. towns; cooler July afternoons than 66% of U.S. towns.
How cold does it get in Dickinson in winter?
January nights average 5°. About 201 nights a year reach 32° or below and 41 reach 0° or below. In the coldest January of the last 30 years the month averaged 5°.
How much snow does Dickinson get?
About 35 inches in a normal winter at Taylor 7 Nnw, ND, most of it in March and December, with snow on the ground about 69 days a year.
How hot does it get in Dickinson?
July, with a typical high of 83° and a low of 55°. About 20 days a year reach 90° and 2 reach 100° (Dickinson, ND).
When is the first and last frost in Dickinson?
In half of years the last spring frost (32°) comes by May 20 and the first fall frost by September 22, about 123 frost-free days, at Dickinson, ND.
What growing zone is Dickinson in?
Zone 4a on the 2023 USDA Plant Hardiness Zone Map: the coldest night of a typical winter reaches about −26°.
What is the best time of year to visit Dickinson?
By one simple rule (highs of 62–84° and lows of 40° or more), June, July, August and September. The rule is ours, not NOAA’s; the month table has the numbers to judge by.
Is Dickinson getting warmer?
Yes: 1991–2020 averaged 1.0° warmer than 1901–2000 on NOAA’s grid. A smaller shift than 77% of U.S. towns.
Neighbors talk weather
Gardens, snow, and the best days of the year in Dickinson.
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.