Halliday has cold, snowy winters and pleasant summers, with very little rain
A typical July afternoon reaches 83°, a January night drops to 3°, and about 39 inches of snow falls in a normal winter.
A year in Halliday at a glance
Each month’s typical high and low, and what it brings.
What stands out about Halliday’s climate
Read from where Halliday sits among North Dakota’s towns. The page puts what stands out first.
What a year in Halliday feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
Living with Halliday’s climate
What the numbers mean for a garden, a driveway, a furnace and a free afternoon.
125 frost-free days. 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 21.
About 39" a winter over 12 days with an inch or more, most in December. Snow covers the ground about 94 days a year.
Months averaging under 55° run from October through May. Heating is 96% of the year’s heating-and-cooling load.
About 23 days a year reach 90°, and July afternoons average 83°.
The nicest months are June, July, August and September. 1.4 miles of trails are waiting.
Parks & trails →Normals are averages. Ice storms, nor’easters, floods and heat waves are on the natural hazards page.
Natural hazards →About 125 frost-free days a year
In half of years the last 32° night comes by May 20 and the first by September 21.
Freezing nights by month
Average nights at or below 32°
90° days by month
Average days at 90° or more
39 inches of snow, 18 of rain and melt
June is the wettest month and February the driest. Rain or snow falls on about 98 days a year.
Rain + melted snow by month
Inches of water
Snowfall by month
Inches of snow
Warmer than it used to be
The last 30 years in Halliday averaged 1.3° warmer than the 1900s. The biggest change is in January (+4.1°).
A bigger shift than in 58% of U.S. towns.
Change by month
How Halliday compares
Against every U.S. town on TownTapestry, each counted once, with its place in North Dakota.
Halliday weather by month
Average highs, lows, rain and snow for every month, from NOAA’s 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | Snow on ground | 30-yr range |
|---|---|---|---|---|---|---|---|
| January | 23° | 3° | 0.4" | 6.7" | 7 | 27 | 2° – 28° |
| February | 28° | 7° | 0.4" | 5.8" | 6 | 21 | -3° – 30° |
| March | 40° | 18° | 0.7" | 6.7" | 7 | 16 | 16° – 43° |
| April | 55° | 29° | 1.3" | 4.9" | 8 | 4 | 34° – 49° |
| May | 67° | 40° | 2.8" | 1.3" | 11 | 1 | 49° – 59° |
| June | 76° | 50° | 3.2" | 0 | 12 | 0 | 59° – 67° |
| July | 83° | 55° | 2.6" | 0 | 10 | 0 | 61° – 75° |
| August | 83° | 54° | 2.0" | 0 | 9 | 0 | 64° – 73° |
| September | 73° | 44° | 1.8" | 0 | 8 | 0 | 53° – 64° |
| October | 56° | 31° | 1.4" | 1.8" | 8 | 2 | 35° – 49° |
| November | 39° | 19° | 0.6" | 4.8" | 5 | 7 | 16° – 40° |
| December | 28° | 8° | 0.5" | 7.2" | 7 | 17 | 5° – 26° |
| Year | 54° | 30° | 17.6" | 39.2" | 98 | 94 |
Heating and cooling a home in Halliday
96% of the work is heating, so the furnace matters far more than the air conditioner.
Degree days add up how far each day’s average falls below (heating) or rises above (cooling) 65° over a year. Source: NOAA station normals.
How much a month can swing
A normal is an average. February swings the most: from 1991 to 2020 its average ranged from -3° to 30°. June is the most reliable, staying within 9°.
Common questions about Halliday’s climate
What is the coldest month in Halliday?
January, with a typical high of 23° and a low of 3°.
What is the hottest month in Halliday?
July, with a typical high of 83° and a low of 55°. About 23 days a year reach 90°.
How much snow does Halliday get?
About 39 inches in a normal winter, most of it in December.
When is the first frost in Halliday?
In half of years the first 32° night comes by September 21, and the last spring frost by May 20.
What is the rainiest month in Halliday?
June, with 3.2 inches of rain and melted snow. The year totals 18 inches.
Neighbors talk weather
Gardens, snow, and the best days of the year in Halliday.
Your answer becomes a post in Town Square.
Temperatures and rainfall come from NOAA’s gridded climate normals for Halliday itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at Killdeer, ND (20 mi, snow) and Dunn Ctr 1e, ND (12 mi, frost, heat and degree days). Normals are 30-year averages, not a forecast. Source: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000. Today’s forecast: National Weather Service.