Knowles, OK climate
Knowles has chilly winters and hot summers, with very little rain. A typical July afternoon reaches 94°, a January night drops to 23°, and about 18 inches of snow falls in a normal winter.
NOAA 1991-2020 climate normals Updated once a decadeWhat a year in Knowles feels like
Winter
Spring
Summer
Fall
Knowles 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 | 48° | 23° | 0.7" | 3.0" | 4 | 5 | 28° – 44° |
| February | 52° | 25° | 0.7" | 3.2" | 4 | 3 | 30° – 47° |
| March | 61° | 34° | 1.5" | 4.3" | 5 | 2 | 40° – 57° |
| April | 70° | 42° | 1.9" | 0.7" | 6 | 0 | 50° – 62° |
| May | 80° | 53° | 2.6" | 0 | 7 | 0 | 59° – 74° |
| June | 89° | 63° | 3.5" | 0 | 8 | 0 | 70° – 81° |
| July | 94° | 68° | 2.7" | 0 | 6 | 0 | 76° – 88° |
| August | 92° | 66° | 3.0" | 0 | 7 | 0 | 72° – 85° |
| September | 84° | 58° | 1.5" | 0 | 5 | 0 | 66° – 78° |
| October | 72° | 45° | 1.9" | 0.5" | 5 | 0 | 52° – 65° |
| November | 59° | 33° | 0.8" | 1.3" | 3 | 1 | 39° – 53° |
| December | 48° | 24° | 1.0" | 4.6" | 4 | 5 | 30° – 41° |
| Year | 71° | 44° | 21.9" | 17.6" | 62 | 16 |
“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 Knowles
Knowles gets 22 inches of rain and melted snow a year. June is the wettest month and February the driest. Rain or snow falls on about 62 days a year. Snow covers the ground about 16 days of the year.
About 196 frost-free days a year
In half of years the last 32° night comes by April 13 and the first one by October 28. That leaves about 196 frost-free days for gardens, longer than 70% of U.S. towns.
Heating and cooling a home in Knowles
Engineers use “degree days” to estimate how hard a furnace or air conditioner works. In Knowles, 72% of that work is heating and 28% 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 Knowles 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 Knowles averaged 0.6° warmer than the 1900s. The biggest change is in March (+2.2°). The shift is smaller than in 94% of U.S. towns.
Change by month1991–2020 average minus 1901–2000 average, at Knowles’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 30° to 47°. December is the most reliable, staying within 11°.
Common questions about Knowles’s climate
What is the coldest month in Knowles?
January, with a typical high of 48° and a low of 23°.
What is the hottest month in Knowles?
July, with a typical high of 94° and a low of 68°. About 79 days a year reach 90°.
How much snow does Knowles get?
About 18 inches in a normal winter, most of it in December.
When is the first frost in Knowles?
In half of years the first 32° night comes by October 28, and the last spring frost by April 13.
What is the rainiest month in Knowles?
June, with 3.5 inches of rain and melted snow. The year totals 22 inches.
Temperatures and rainfall come from NOAA’s gridded climate normals for Knowles itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at Gate, OK (8 mi) away. Normals are 30-year averages, not a forecast. Source: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000.