Round Prairie, ND climate
Round Prairie has cold, snowy winters and pleasant summers, with very little rain. A typical July afternoon reaches 83°, a January night drops to 2°, and about 39 inches of snow falls in a normal winter.
NOAA 1991-2020 climate normals Updated once a decadeWhat a year in Round Prairie feels like
Winter
Spring
Summer
Fall
Round Prairie 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° | 2° | 0.4" | 7.9" | 6 | 25 | 1° – 28° |
| February | 27° | 7° | 0.3" | 6.3" | 4 | 20 | -5° – 31° |
| March | 41° | 18° | 0.5" | 4.4" | 5 | 12 | 14° – 42° |
| April | 56° | 30° | 1.1" | 2.9" | 7 | 2 | 35° – 49° |
| May | 67° | 40° | 2.4" | 0.9" | 10 | 0 | 49° – 59° |
| June | 76° | 50° | 2.9" | 0 | 12 | 0 | 58° – 68° |
| July | 83° | 55° | 2.4" | 0 | 9 | 0 | 61° – 75° |
| August | 83° | 53° | 1.5" | 0 | 8 | 0 | 63° – 73° |
| September | 72° | 43° | 1.4" | 0 | 7 | 0 | 52° – 64° |
| October | 56° | 31° | 0.9" | 2.6" | 6 | 2 | 34° – 49° |
| November | 38° | 18° | 0.5" | 5.3" | 5 | 8 | 15° – 39° |
| December | 26° | 7° | 0.5" | 9.0" | 6 | 21 | 5° – 26° |
| Year | 54° | 29° | 14.7" | 39.3" | 85 | 91 |
“Wet days” have at least 0.01" of rain or melted snow. “Snow on ground” counts days with 1" or more. The 30-year range is the coldest and warmest that month’s average temperature got between 1991 and 2020.
Rain and snow in Round Prairie
Round Prairie gets 15 inches of rain and melted snow a year. June is the wettest month and February the driest. Rain or snow falls on about 85 days a year. Snow covers the ground about 91 days of the year.
About 135 frost-free days a year
In half of years the last 32° night comes by May 13 and the first one by September 26. That leaves about 135 frost-free days for gardens, shorter than 92% of U.S. towns.
Heating and cooling a home in Round Prairie
Engineers use “degree days” to estimate how hard a furnace or air conditioner works. In Round Prairie, 94% of that work is heating and 6% is cooling, so the furnace matters far more than the air conditioner.
Degree days measure how far each day’s average temperature falls below or rises above 65°, added up over a year. Source: NOAA station normals.
Round Prairie and its neighbors
Round Prairie borders 3 towns with climate data. January nights across them vary by 0.7°. Hebron has the coldest January nights (2°) and Hardscrabble the hottest July afternoons (84°). Round Prairie’s January low is 2° and its July high 83°.
Temperatures and rain come from NOAA’s 5 km grid, so each town gets its own value.
How Round Prairie compares
Compared with every U.S. town and city on TownTapestry, each counted once.
Warmer than it used to be
The last 30 years in Round Prairie averaged 1.8° warmer than the 1900s. The biggest change is in January (+4.8°). The shift is larger than in 89% of U.S. towns.
Change by month1991–2020 average minus 1901–2000 average, at Round Prairie’s spot on NOAA’s grid
How much a month can swing
A normal is an average, and real years wander around it. February swings the most: between 1991 and 2020 its average temperature ranged from -5° to 31°. June is the most reliable, staying within 10°.
Common questions about Round Prairie’s climate
What is the coldest month in Round Prairie?
January, with a typical high of 23° and a low of 2°.
What is the hottest month in Round Prairie?
August, with a typical high of 83° and a low of 53°. About 27 days a year reach 90°.
How much snow does Round Prairie get?
About 39 inches in a normal winter, most of it in December.
When is the first frost in Round Prairie?
In half of years the first 32° night comes by September 26, and the last spring frost by May 13.
What is the rainiest month in Round Prairie?
June, with 2.9 inches of rain and melted snow. The year totals 15 inches.
Temperatures and rainfall come from NOAA’s gridded climate normals for Round Prairie itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at Williston Exp Farm, ND (10 mi) away. Normals are 30-year averages, not a forecast. Source: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000.