Formoso, KS climate
Formoso has chilly winters and warm summers. A typical July afternoon reaches 91°, a January night drops to 16°, and about 24 inches of snow falls in a normal winter.
NOAA 1991-2020 climate normals Updated once a decadeWhat a year in Formoso feels like
Winter
Spring
Summer
Fall
Formoso 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 | 38° | 16° | 0.7" | 6.3" | 4 | 10 | 20° – 39° |
| February | 43° | 20° | 0.8" | 6.8" | 4 | 7 | 23° – 41° |
| March | 55° | 29° | 1.5" | 3.3" | 6 | 2 | 34° – 54° |
| April | 65° | 39° | 2.5" | 1.2" | 8 | 0 | 45° – 58° |
| May | 75° | 50° | 4.3" | 0 | 10 | 0 | 56° – 70° |
| June | 86° | 61° | 3.9" | 0 | 9 | 0 | 68° – 78° |
| July | 91° | 66° | 4.3" | 0 | 9 | 0 | 73° – 84° |
| August | 88° | 64° | 3.5" | 0 | 8 | 0 | 71° – 83° |
| September | 81° | 54° | 2.5" | 0 | 6 | 0 | 61° – 74° |
| October | 68° | 41° | 2.0" | 0.3" | 5 | 0 | 47° – 59° |
| November | 53° | 28° | 1.2" | 2.0" | 4 | 2 | 33° – 49° |
| December | 41° | 19° | 0.9" | 4.4" | 4 | 7 | 19° – 35° |
| Year | 65° | 41° | 28.1" | 24.3" | 77 | 27 |
“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 Formoso
Formoso gets 28 inches of rain and melted snow a year. July is the wettest month and January the driest. Rain or snow falls on about 77 days a year. Snow covers the ground about 27 days of the year.
About 187 frost-free days a year
In half of years the last 32° night comes by April 17 and the first one by October 21. That leaves about 187 frost-free days for gardens, longer than 60% of U.S. towns.
Heating and cooling a home in Formoso
Engineers use “degree days” to estimate how hard a furnace or air conditioner works. In Formoso, 77% of that work is heating and 23% 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.
How Formoso 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 Formoso averaged 0.9° warmer than the 1900s. The biggest change is in January (+2.5°). The shift is smaller than in 80% of U.S. towns.
Change by month1991–2020 average minus 1901–2000 average, at Formoso’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 34° to 54°. June is the most reliable, staying within 10°.
Common questions about Formoso’s climate
What is the coldest month in Formoso?
January, with a typical high of 38° and a low of 16°.
What is the hottest month in Formoso?
July, with a typical high of 91° and a low of 66°. About 51 days a year reach 90°.
How much snow does Formoso get?
About 24 inches in a normal winter, most of it in February.
When is the first frost in Formoso?
In half of years the first 32° night comes by October 21, and the last spring frost by April 17.
What is the rainiest month in Formoso?
July, with 4.3 inches of rain and melted snow. The year totals 28 inches.
Temperatures and rainfall come from NOAA’s gridded climate normals for Formoso itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at Jewell, KS (11 mi, snow) and Courtland, KS (5 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.