Mounds, OK climate
Mounds has chilly winters and hot summers. A typical July afternoon reaches 93°, a January night drops to 27°, and about 7 inches of snow falls in a normal winter.
NOAA 1991-2020 climate normals Updated once a decadeWhat a year in Mounds feels like
Winter
Spring
Summer
Fall
Mounds 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° | 27° | 1.7" | 2.1" | 5 | 33° – 47° |
| February | 54° | 31° | 1.9" | 0.8" | 5 | 36° – 51° |
| March | 63° | 40° | 3.3" | 1.8" | 7 | 45° – 60° |
| April | 72° | 49° | 4.4" | 0 | 7 | 53° – 66° |
| May | 79° | 58° | 5.7" | 0 | 9 | 65° – 76° |
| June | 87° | 67° | 4.7" | 0 | 8 | 73° – 83° |
| July | 93° | 71° | 3.8" | 0 | 6 | 77° – 89° |
| August | 92° | 69° | 3.5" | 0 | 6 | 74° – 87° |
| September | 84° | 61° | 4.0" | 0 | 7 | 68° – 80° |
| October | 73° | 49° | 3.7" | 0 | 6 | 55° – 68° |
| November | 61° | 39° | 2.9" | 0.5" | 5 | 43° – 57° |
| December | 51° | 30° | 2.4" | 1.5" | 6 | 29° – 46° |
| Year | 71° | 49° | 41.9" | 6.7" | 77 |
“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 Mounds
Mounds gets 42 inches of rain and melted snow a year. May is the wettest month and January the driest. Rain or snow falls on about 77 days a year.
About 220 frost-free days a year
In half of years the last 32° night comes by March 30 and the first one by November 4. That leaves about 220 frost-free days for gardens, longer than 82% of U.S. towns.
Heating and cooling a home in Mounds
Engineers use “degree days” to estimate how hard a furnace or air conditioner works. In Mounds, 61% of that work is heating and 39% 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.
Mounds and its neighbors
Mounds borders 2 towns with climate data. January nights across them vary by 0.5°. Sapulpa has the coldest January nights (27°) and Glenpool the hottest July afternoons (93°). Mounds’s January low is 27° and its July high 93°.
Temperatures and rain come from NOAA’s 5 km grid, so each town gets its own value.
How Mounds compares
Compared with every U.S. town and city on TownTapestry, each counted once.
About as warm as it used to be
The last 30 years in Mounds averaged 0.1° warmer than the 1900s. The biggest change is in March (+1.4°). The shift is smaller than in 100% of U.S. towns.
Change by month1991–2020 average minus 1901–2000 average, at Mounds’s spot on NOAA’s grid
How much a month can swing
A normal is an average, and real years wander around it. December swings the most: between 1991 and 2020 its average temperature ranged from 29° to 46°. June is the most reliable, staying within 10°.
Common questions about Mounds’s climate
What is the coldest month in Mounds?
January, with a typical high of 49° and a low of 27°.
What is the hottest month in Mounds?
July, with a typical high of 93° and a low of 71°. About 81 days a year reach 90°.
How much snow does Mounds get?
About 7 inches in a normal winter, most of it in January.
When is the first frost in Mounds?
In half of years the first 32° night comes by November 4, and the last spring frost by March 30.
What is the rainiest month in Mounds?
May, with 5.7 inches of rain and melted snow. The year totals 42 inches.
Temperatures and rainfall come from NOAA’s gridded climate normals for Mounds itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at Bristow, OK (19 mi, snow) and Tulsa R L Jones Jr Airport, OK (12 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.