Thomas, OK climate
Thomas has chilly winters and hot summers. A typical July afternoon reaches 95°, a January night drops to 26°, and about 7 inches of snow falls in a normal winter.
NOAA 1991-2020 climate normals Updated once a decadeWhat a year in Thomas feels like
Winter
Spring
Summer
Fall
Thomas 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 | 49° | 26° | 0.9" | 1.7" | 4 | 33° – 46° |
| February | 53° | 29° | 1.1" | 1.2" | 4 | 34° – 48° |
| March | 62° | 38° | 2.2" | 1.6" | 6 | 44° – 59° |
| April | 71° | 46° | 3.0" | 0 | 6 | 52° – 65° |
| May | 80° | 56° | 4.2" | 0 | 7 | 63° – 76° |
| June | 89° | 66° | 4.0" | 0 | 7 | 73° – 84° |
| July | 95° | 70° | 2.7" | 0 | 4 | 78° – 89° |
| August | 93° | 69° | 3.5" | 0 | 5 | 74° – 87° |
| September | 85° | 60° | 2.8" | 0 | 5 | 68° – 80° |
| October | 73° | 48° | 2.8" | 0 | 5 | 53° – 66° |
| November | 60° | 36° | 1.5" | 0.9" | 5 | 41° – 55° |
| December | 50° | 28° | 1.4" | 1.8" | 4 | 30° – 42° |
| Year | 72° | 48° | 30.1" | 7.2" | 61 |
“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 Thomas
Thomas gets 30 inches of rain and melted snow a year. May is the wettest month and January the driest. Rain or snow falls on about 61 days a year.
About 214 frost-free days a year
In half of years the last 32° night comes by April 3 and the first one by November 3. That leaves about 214 frost-free days for gardens, longer than 80% of U.S. towns.
Heating and cooling a home in Thomas
Engineers use “degree days” to estimate how hard a furnace or air conditioner works. In Thomas, 66% of that work is heating and 34% 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 Thomas 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 Thomas averaged 1.0° warmer than the 1900s. The biggest change is in January (+2.6°). The shift is smaller than in 66% of U.S. towns.
Change by month1991–2020 average minus 1901–2000 average, at Thomas’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 44° to 59°. September is the most reliable, staying within 12°.
Common questions about Thomas’s climate
What is the coldest month in Thomas?
January, with a typical high of 49° and a low of 26°.
What is the hottest month in Thomas?
July, with a typical high of 95° and a low of 70°. About 78 days a year reach 90°.
How much snow does Thomas get?
About 7 inches in a normal winter, most of it in December.
When is the first frost in Thomas?
In half of years the first 32° night comes by November 3, and the last spring frost by April 3.
What is the rainiest month in Thomas?
May, with 4.2 inches of rain and melted snow. The year totals 30 inches.
Temperatures and rainfall come from NOAA’s gridded climate normals for Thomas itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at Thomas, OK (1 mi, snow) and Weatherford, OK (16 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.