Sterling, OK climate
Sterling has mild winters and hot summers. A typical July afternoon reaches 95°, a January night drops to 28°, and about 3 inches of snow falls in a normal winter.
NOAA 1991-2020 climate normals Updated once a decadeWhat a year in Sterling feels like
Winter
Spring
Summer
Fall
Sterling 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 | 52° | 28° | 1.3" | 1.1" | 5 | 0 | 36° – 48° |
| February | 57° | 32° | 1.5" | 0.4" | 6 | 0 | 38° – 52° |
| March | 65° | 41° | 2.6" | 0.2" | 7 | 0 | 47° – 60° |
| April | 73° | 48° | 3.2" | 0 | 7 | 0 | 55° – 68° |
| May | 81° | 59° | 4.9" | 0 | 9 | 0 | 66° – 76° |
| June | 90° | 68° | 4.1" | 0 | 8 | 0 | 75° – 86° |
| July | 95° | 71° | 2.6" | 0 | 6 | 0 | 79° – 92° |
| August | 95° | 71° | 3.0" | 0 | 6 | 0 | 76° – 91° |
| September | 86° | 62° | 3.4" | 0 | 7 | 0 | 70° – 82° |
| October | 75° | 50° | 3.1" | 0 | 7 | 0 | 56° – 68° |
| November | 63° | 39° | 2.0" | 0.3" | 6 | 0 | 45° – 57° |
| December | 53° | 31° | 1.8" | 0.8" | 6 | 0 | 34° – 46° |
| Year | 74° | 50° | 33.6" | 2.8" | 81 | 1 |
“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 Sterling
Sterling gets 34 inches of rain and melted snow a year. May is the wettest month and January the driest. Rain or snow falls on about 81 days a year.
About 210 frost-free days a year
In half of years the last 32° night comes by April 4 and the first one by October 31. That leaves about 210 frost-free days for gardens, longer than 78% of U.S. towns.
Heating and cooling a home in Sterling
Engineers use “degree days” to estimate how hard a furnace or air conditioner works. In Sterling, 63% of that work is heating and 37% 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 Sterling 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 Sterling averaged 0.8° warmer than the 1900s. The biggest change is in January (+2.1°). The shift is smaller than in 85% of U.S. towns.
Change by month1991–2020 average minus 1901–2000 average, at Sterling’s spot on NOAA’s grid
How much a month can swing
A normal is an average, and real years wander around it. August swings the most: between 1991 and 2020 its average temperature ranged from 76° to 91°. May is the most reliable, staying within 10°.
Common questions about Sterling’s climate
What is the coldest month in Sterling?
January, with a typical high of 52° and a low of 28°.
What is the hottest month in Sterling?
July, with a typical high of 95° and a low of 71°. About 82 days a year reach 90°.
How much snow does Sterling get?
About 3 inches in a normal winter, most of it in January.
When is the first frost in Sterling?
In half of years the first 32° night comes by October 31, and the last spring frost by April 4.
What is the rainiest month in Sterling?
May, with 4.9 inches of rain and melted snow. The year totals 34 inches.
Temperatures and rainfall come from NOAA’s gridded climate normals for Sterling itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at Duncan, OK (21 mi, snow) and Acme Mesonet, OK (9 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.