Wet weather: 49 inches of rain and melted snow a year in Old Green, more than in 81% of U.S. towns
On a normal July day the thermometer tops out near 90°. The wettest month is May; the driest is February. In July, afternoons here are warmer than in 79% of U.S. towns. Tender plants can go out after about March 31; in half of years the first frost comes by November 4.
A year in Old Green at a glance
Each month’s typical high and low, and what it brings.
What stands out about Old Green’s climate
Compared with towns across the U.S., with Old Green’s place in Oklahoma beside it.
What a year in Old Green feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
About 217 frost-free days a year
In half of years the last 32° night comes by March 31 and the first by November 4. Frost and day counts come from NOAA’s station at Stilwell 5 Nnw, OK, 7 miles from the town’s center, at about the same height.
The 2023 USDA map puts Old Green’s center in zone 7b: the coldest night of a typical winter, averaged over 1991–2020, reaches about 5°. Plant labels use the zone; frost dates tell you when to plant.
Freezing nights by month
Average nights at or below 32°
90° days by month
Average days at 90° or more
About 7 inches of snow a winter
Snow, measured at Fayetteville Drake Fld, AR, falls mostly in February. Precipitation (rain plus melted snow) adds up to 49 inches a year; May is the wettest month and February the driest. Rain or snow falls on about 113 days a year.
Rain + melted snow by month
Inches of water
Snowfall by month
Inches of snow
Heating and cooling a home in Old Green
71% of the work is heating. Months averaging under 55° run from November through March.
Degree days add up how far each day’s average falls below (heating) or rises above (cooling) 65° over a year. NOAA normals at Stilwell 5 Nnw, OK.
Living with Old Green’s climate
What the numbers mean for a garden, a free afternoon and a bad-weather day.
217 frost-free days in zone 7b. The last frost comes by Mar 31 in half of years, so many gardeners wait a week or two past that to set out tomatoes. The first fall frost comes by Nov 4.
Months with highs of 62–84° and lows of 40° or more: April, May, September and October.
Parks & trails →Of the yearly building losses FEMA expects in Old Green from natural hazards, river flooding is the largest share (52%); heat waves, cold waves, winter storms and ice storms together are 21%. Normals are averages; the hazards page covers the extremes.
Natural hazards →Old Green and its neighbors
Every town next door is within a degree of Old Green in January and July, closer than the 5 km grid can tell apart. Tap a town to see its climate.
Climates most like Old Green’s, farther away
TownRatings’ own comparison of NOAA 1991–2020 normals, not a NOAA product: places of 5,000+ at least 150 miles away, one per state, closest on January low, July high, precipitation and snow.
| Town | Jan. low | July high | Precip. | Snow |
|---|---|---|---|---|
| Old Green, OK | 26° | 90° | 49" | 6.5" |
| Poplar Bluff, MO | 26° | 90° | 50" | 5.4" |
| Pocahontas, AR | 28° | 90° | 50" | 6.3" |
| Metropolis, IL | 27° | 89° | 50" | 8.9" |
| Bowling Green, KY | 28° | 89° | 51" | 8.5" |
Temperatures and rain come from NOAA’s 5 km grid, so each town gets its own value. Snow and frost-free days come from the nearest weather station, so neighbors often share them.
Warmer than it used to be
The last 30 years in Old Green averaged 0.6° warmer than the 1900s. The biggest change is in February (+1.4°).
A smaller shift than in 97% of U.S. towns.
Change by month
The two periods overlap (1991–2000 is in both), which makes the gap a little smaller than it would be between separate periods.
How Old Green compares
Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with Old Green’s place among Oklahoma’s.
Old Green weather by month
Highs, lows and precipitation from NOAA’s grid at Old Green’s center; snow, wet days and snow on the ground from Fayetteville Drake Fld, AR. 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | Snow on ground | 30-yr range |
|---|---|---|---|---|---|---|---|
| January | 48° | 26° | 2.7" | 1.5" | 8 | 2 | 32° – 46° |
| February | 53° | 30° | 2.5" | 2.4" | 8 | 2 | 34° – 50° |
| March | 61° | 38° | 4.2" | 1.3" | 11 | 1 | 43° – 59° |
| April | 70° | 47° | 5.0" | 0.0" | 10 | 0 | 53° – 65° |
| May | 78° | 56° | 6.0" | 0.0" | 13 | 0 | 64° – 73° |
| June | 85° | 64° | 4.8" | 0.0" | 10 | 0 | 71° – 80° |
| July | 90° | 68° | 4.0" | 0.0" | 9 | 0 | 74° – 86° |
| August | 90° | 67° | 3.9" | 0.0" | 8 | 0 | 72° – 84° |
| September | 83° | 59° | 4.4" | 0.0" | 9 | 0 | 67° – 78° |
| October | 72° | 48° | 4.5" | 0.0" | 10 | 0 | 54° – 66° |
| November | 60° | 38° | 4.0" | 0.2" | 9 | 0 | 42° – 57° |
| December | 50° | 29° | 3.3" | 1.1" | 8 | 1 | 27° – 46° |
| Year | 70° | 47° | 49.1" | 6.5" | 113 | 5 |
How much a month can swing
A normal is an average. December swings the most: from 1991 to 2020 its average ranged from 27° to 46°. June is the most reliable, staying within 9°.
Where Old Green’s numbers come from
Normals are 30-year averages, not a forecast. How TownRatings reads climate data →
- Temperatures and precipitation: NOAA’s gridded 1991–2020 normals for the 5 km cell at Old Green’s center.
- Snow: Fayetteville Drake Fld, AR.
- Frost, freezing nights, 90° and 100° days, heating and cooling: Stilwell 5 Nnw, OK, 7 miles from the town’s center, at about the same height; the nearest station that passes our checks for distance, height and agreement with the grid.
- Growing zone: USDA Plant Hardiness Zone Map, 2023. USDA Agricultural Research Service and PRISM Group, Oregon State University, prism.oregonstate.edu/phzm, accessed 8 Oct 2026.
- Then and now: NOAA’s gridded normals for 1901–2000 at the same cell.
- Storms and extremes: FEMA National Risk Index (expected annual losses to buildings).
Common questions about Old Green’s climate
What is the weather like in Old Green?
A typical July afternoon reaches 90°, a January night drops to 26°, and about 7 inches of snow falls in a normal winter. Milder January nights than 66% of U.S. towns; hotter July afternoons than 79% of U.S. towns.
How cold does it get in Old Green in winter?
January nights average 26°. About 77 nights a year reach 32° or below. In the coldest January of the last 30 years the month averaged 32°.
How much snow does Old Green get?
About 6.5 inches in a normal winter at Fayetteville Drake Fld, AR, most of it in February, with snow on the ground about 5 days a year.
How hot does it get in Old Green?
July, with a typical high of 90° and a low of 68°. About 43 days a year reach 90° and 4 reach 100° (Stilwell 5 Nnw, OK).
When is the first and last frost in Old Green?
In half of years the last spring frost (32°) comes by March 31 and the first fall frost by November 4, about 217 frost-free days, at Stilwell 5 Nnw, OK.
What growing zone is Old Green in?
Zone 7b on the 2023 USDA Plant Hardiness Zone Map: the coldest night of a typical winter reaches about 5°.
What is the best time of year to visit Old Green?
By one simple rule (highs of 62–84° and lows of 40° or more), April, May, September and October. The rule is ours, not NOAA’s; the month table has the numbers to judge by.
Is Old Green getting warmer?
Yes: 1991–2020 averaged 0.6° warmer than 1901–2000 on NOAA’s grid. A smaller shift than 97% of U.S. towns.
Neighbors talk weather
Gardens, snow, and the best days of the year in Old Green.
Source: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000; USDA/PRISM 2023 hardiness zones; FEMA National Risk Index. Today’s forecast: National Weather Service.