Round Mound, KS climate
Round Mound has chilly winters and warm summers. A typical July afternoon reaches 92°, a January night drops to 18°, and about 20 inches of snow falls in a normal winter.
NOAA 1991-2020 climate normals Updated once a decadeWhat a year in Round Mound feels like
Winter
Spring
Summer
Fall
Round Mound 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 | 41° | 18° | 0.6" | 4.5" | 3 | 4 | 22° – 41° |
| February | 45° | 21° | 0.8" | 5.9" | 4 | 6 | 24° – 42° |
| March | 57° | 30° | 1.4" | 2.6" | 5 | 2 | 35° – 54° |
| April | 66° | 39° | 2.1" | 1.2" | 7 | 0 | 46° – 58° |
| May | 76° | 49° | 4.1" | 0 | 10 | 0 | 56° – 70° |
| June | 87° | 61° | 3.4" | 0 | 9 | 0 | 68° – 78° |
| July | 92° | 66° | 4.3" | 0 | 8 | 0 | 74° – 85° |
| August | 89° | 64° | 3.6" | 0 | 8 | 0 | 70° – 83° |
| September | 81° | 55° | 2.3" | 0 | 6 | 0 | 62° – 75° |
| October | 69° | 42° | 1.9" | 0.6" | 5 | 0 | 48° – 60° |
| November | 54° | 30° | 1.1" | 1.6" | 4 | 1 | 35° – 49° |
| December | 43° | 21° | 0.9" | 3.8" | 4 | 5 | 23° – 36° |
| Year | 67° | 41° | 26.5" | 20.2" | 71 | 18 |
“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 Mound
Round Mound gets 26 inches of rain and melted snow a year. July is the wettest month and January the driest. Rain or snow falls on about 71 days a year. Snow covers the ground about 18 days of the year.
About 178 frost-free days a year
In half of years the last 32° night comes by April 23 and the first one by October 20. That leaves about 178 frost-free days for gardens, longer than 50% of U.S. towns.
Heating and cooling a home in Round Mound
Engineers use “degree days” to estimate how hard a furnace or air conditioner works. In Round Mound, 81% of that work is heating and 19% 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 Mound and its neighbors
Round Mound borders 4 towns with climate data. January nights across them vary by 0.7°. Mount Ayr has the coldest January nights (18°) and Natoma the hottest July afternoons (93°). Round Mound’s January low is 18° and its July high 92°.
Temperatures and rain come from NOAA’s 5 km grid, so each town gets its own value.
How Round Mound 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 Mound averaged 1.0° warmer than the 1900s. The biggest change is in January (+2.8°). The shift is smaller than in 72% of U.S. towns.
Change by month1991–2020 average minus 1901–2000 average, at Round Mound’s spot on NOAA’s grid
How much a month can swing
A normal is an average, and real years wander around it. March swings the most: between 1991 and 2020 its average temperature ranged from 35° to 54°. June is the most reliable, staying within 10°.
Common questions about Round Mound’s climate
What is the coldest month in Round Mound?
January, with a typical high of 41° and a low of 18°.
What is the hottest month in Round Mound?
July, with a typical high of 92° and a low of 66°. About 57 days a year reach 90°.
How much snow does Round Mound get?
About 20 inches in a normal winter, most of it in February.
When is the first frost in Round Mound?
In half of years the first 32° night comes by October 20, and the last spring frost by April 23.
What is the rainiest month in Round Mound?
July, with 4.3 inches of rain and melted snow. The year totals 26 inches.
Temperatures and rainfall come from NOAA’s gridded climate normals for Round Mound itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at Natoma, KS (6 mi, snow) and Plainville 4wnw, KS (21 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.