Ryan, OK climate
Ryan has mild winters and hot summers. A typical July afternoon reaches 96°, a January night drops to 30°, and about 2 inches of snow falls in a normal winter.
NOAA 1991-2020 climate normals Updated once a decadeWhat a year in Ryan feels like
Winter
Spring
Summer
Fall
Ryan 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 | 54° | 30° | 1.6" | 0.7" | 4 | 0 | 38° – 50° |
| February | 59° | 35° | 1.9" | 0.4" | 4 | 0 | 39° – 55° |
| March | 67° | 43° | 2.6" | 0.1" | 4 | 0 | 50° – 63° |
| April | 75° | 50° | 3.1" | 0 | 4 | 0 | 57° – 69° |
| May | 83° | 60° | 5.1" | 0 | 7 | 0 | 68° – 77° |
| June | 91° | 68° | 3.9" | 0 | 6 | 0 | 76° – 87° |
| July | 96° | 72° | 2.5" | 0 | 4 | 0 | 79° – 92° |
| August | 96° | 72° | 2.8" | 0 | 5 | 0 | 78° – 93° |
| September | 88° | 64° | 3.4" | 0 | 5 | 0 | 72° – 83° |
| October | 77° | 52° | 3.6" | 0 | 5 | 0 | 59° – 69° |
| November | 65° | 41° | 2.3" | 0.5" | 5 | 0 | 47° – 59° |
| December | 56° | 32° | 1.9" | 0.2" | 3 | 0 | 36° – 48° |
| Year | 75° | 52° | 34.7" | 1.9" | 54 | 0 |
“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 Ryan
Ryan gets 35 inches of rain and melted snow a year. May is the wettest month and January the driest. Rain or snow falls on about 54 days a year.
About 223 frost-free days a year
In half of years the last 32° night comes by March 29 and the first one by November 5. That leaves about 223 frost-free days for gardens, longer than 83% of U.S. towns.
Heating and cooling a home in Ryan
Engineers use “degree days” to estimate how hard a furnace or air conditioner works. In Ryan, 55% of that work is heating and 45% 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 Ryan 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 Ryan averaged 0.3° warmer than the 1900s. The biggest change is in March (+1.7°). The shift is smaller than in 99% of U.S. towns.
Change by month1991–2020 average minus 1901–2000 average, at Ryan’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 39° to 55°. May is the most reliable, staying within 9°.
Common questions about Ryan’s climate
What is the coldest month in Ryan?
January, with a typical high of 54° and a low of 30°.
What is the hottest month in Ryan?
July, with a typical high of 96° and a low of 72°. About 100 days a year reach 90°.
How much snow does Ryan get?
About 2 inches in a normal winter, most of it in January.
When is the first frost in Ryan?
In half of years the first 32° night comes by November 5, and the last spring frost by March 29.
What is the rainiest month in Ryan?
May, with 5.1 inches of rain and melted snow. The year totals 35 inches.
Temperatures and rainfall come from NOAA’s gridded climate normals for Ryan itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at Waurika, OK (11 mi, snow) and Waurika 1ene Mesonet, OK (10 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.