McCurtain, OK climate
McCurtain has mild winters and hot summers, with plenty of rain. A typical July afternoon reaches 93°, a January night drops to 29°, and about 2 inches of snow falls in a normal winter.
NOAA 1991-2020 climate normals Updated once a decadeRight about normal today. The forecast high is 80°, and a typical Oct 1 in McCurtain peaks around 80°.Live forecast: National Weather Service · Normal: NOAA 1991–2020
What a year in McCurtain feels like
Winter
Spring
Summer
Fall
McCurtain 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 | 51° | 29° | 2.7" | 1.0" | 5 | 0 | 36° – 48° |
| February | 56° | 33° | 2.6" | 0.2" | 6 | 0 | 38° – 54° |
| March | 65° | 41° | 4.2" | 0.4" | 8 | 0 | 47° – 62° |
| April | 73° | 49° | 5.0" | 0 | 8 | 0 | 56° – 67° |
| May | 80° | 58° | 5.9" | 0 | 9 | 0 | 66° – 75° |
| June | 88° | 67° | 4.6" | 0 | 9 | 0 | 73° – 83° |
| July | 93° | 71° | 3.6" | 0 | 6 | 0 | 77° – 89° |
| August | 93° | 69° | 3.3" | 0 | 6 | 0 | 74° – 87° |
| September | 86° | 62° | 4.7" | 0 | 7 | 0 | 70° – 81° |
| October | 75° | 50° | 4.3" | 0 | 7 | 0 | 57° – 69° |
| November | 63° | 40° | 3.9" | 0.1" | 6 | 0 | 44° – 58° |
| December | 53° | 32° | 3.7" | 0.2" | 6 | 0 | 32° – 49° |
| Year | 73° | 50° | 48.5" | 1.9" | 82 | 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 McCurtain
McCurtain gets 49 inches of rain and melted snow a year. May is the wettest month and February the driest. Rain or snow falls on about 82 days a year.
About 228 frost-free days a year
In half of years the last 32° night comes by March 23 and the first one by November 5. That leaves about 228 frost-free days for gardens, longer than 85% of U.S. towns.
Heating and cooling a home in McCurtain
Engineers use “degree days” to estimate how hard a furnace or air conditioner works. In McCurtain, 57% of that work is heating and 43% 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 McCurtain 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 McCurtain averaged 0.5° warmer than the 1900s. The biggest change is in March (+1.3°). The shift is smaller than in 97% of U.S. towns.
Change by month1991–2020 average minus 1901–2000 average, at McCurtain’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 32° to 49°. May is the most reliable, staying within 9°.
Common questions about McCurtain’s climate
What is the coldest month in McCurtain?
January, with a typical high of 51° and a low of 29°.
What is the hottest month in McCurtain?
July, with a typical high of 93° and a low of 71°. About 75 days a year reach 90°.
How much snow does McCurtain get?
About 2 inches in a normal winter, most of it in January.
When is the first frost in McCurtain?
In half of years the first 32° night comes by November 5, and the last spring frost by March 23.
What is the rainiest month in McCurtain?
May, with 5.9 inches of rain and melted snow. The year totals 49 inches.
Temperatures and rainfall come from NOAA’s gridded climate normals for McCurtain itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at Sallisaw 2 Nw, OK (23 mi, snow) and Mc Curtain 1 Se, OK (1 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.