South Seward, KS climate
South Seward has chilly winters and hot summers. A typical July afternoon reaches 92°, a January night drops to 20°, and about 18 inches of snow falls in a normal winter.
NOAA 1991-2020 climate normals Updated once a decadeWhat a year in South Seward feels like
Winter
Spring
Summer
Fall
South Seward 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 | 30-yr range |
|---|---|---|---|---|---|---|
| January | 43° | 20° | 0.8" | 5.1" | 3 | 25° – 43° |
| February | 48° | 23° | 0.9" | 3.5" | 3 | 27° – 44° |
| March | 58° | 32° | 1.8" | 3.0" | 5 | 38° – 56° |
| April | 67° | 41° | 2.1" | 0.5" | 6 | 47° – 61° |
| May | 77° | 52° | 4.1" | 0 | 7 | 57° – 71° |
| June | 87° | 63° | 3.9" | 0 | 7 | 69° – 80° |
| July | 92° | 67° | 3.7" | 0 | 6 | 75° – 87° |
| August | 90° | 65° | 3.5" | 0 | 7 | 71° – 83° |
| September | 82° | 57° | 2.1" | 0 | 5 | 65° – 76° |
| October | 70° | 44° | 2.2" | 0.2" | 5 | 50° – 62° |
| November | 56° | 31° | 1.2" | 1.6" | 3 | 36° – 51° |
| December | 44° | 22° | 1.0" | 4.2" | 3 | 25° – 38° |
| Year | 68° | 43° | 27.2" | 18.1" | 62 |
“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 South Seward
South Seward gets 27 inches of rain and melted snow a year. May is the wettest month and January the driest. Rain or snow falls on about 62 days a year.
About 185 frost-free days a year
In half of years the last 32° night comes by April 18 and the first one by October 21. That leaves about 185 frost-free days for gardens, longer than 58% of U.S. towns.
Heating and cooling a home in South Seward
Engineers use “degree days” to estimate how hard a furnace or air conditioner works. In South Seward, 74% of that work is heating and 26% is cooling.
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.
South Seward and its neighbors
South Seward borders 4 towns with climate data. January nights across them vary by 0.2°. St. John has both the coldest January nights (20°) and the hottest July afternoons (92°). South Seward’s January low is 20° and its July high 92°.
Temperatures and rain come from NOAA’s 5 km grid, so each town gets its own value.
How South Seward 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 South Seward averaged 0.8° warmer than the 1900s. The biggest change is in January (+2.4°). The shift is smaller than in 85% of U.S. towns.
Change by month1991–2020 average minus 1901–2000 average, at South Seward’s spot on NOAA’s grid
How much a month can swing
A normal is an average, and real years wander around it. January swings the most: between 1991 and 2020 its average temperature ranged from 25° to 43°. June is the most reliable, staying within 10°.
Common questions about South Seward’s climate
What is the coldest month in South Seward?
January, with a typical high of 43° and a low of 20°.
What is the hottest month in South Seward?
July, with a typical high of 92° and a low of 67°. About 77 days a year reach 90°.
How much snow does South Seward get?
About 18 inches in a normal winter, most of it in January.
When is the first frost in South Seward?
In half of years the first 32° night comes by October 21, and the last spring frost by April 18.
What is the rainiest month in South Seward?
May, with 4.1 inches of rain and melted snow. The year totals 27 inches.
Temperatures and rainfall come from NOAA’s gridded climate normals for South Seward itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at Hudson, KS (4 mi) away. Normals are 30-year averages, not a forecast. Source: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000.