Ozark Courthouse Square Historic District · Photo: Kbh3rd · CC BY 4.0Summers, winters and rain in Ozark all run close to those of most U.S. towns
Expect July afternoons of about 89°. Seasons differ by 65°, from the coldest nights to the warmest afternoons. By July afternoons alone, it runs hotter than 70% of U.S. towns. Garden planting can start around April 15; autumn frost returns near October 23.
A year in Ozark at a glance
Each month’s typical high and low, and what it brings.
What stands out about Ozark’s climate
Compared with towns across the U.S., with Ozark’s place in Missouri beside it.
What a year in Ozark feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
About 189 frost-free days a year
In half of years the last 32° night comes by April 15 and the first by October 23. Frost and day counts come from NOAA’s station at Ozark, MO, 1.3 miles from the town’s center, 140 ft lower.
The 2023 USDA map puts Ozark’s center in zone 6b: the coldest night of a typical winter, averaged over 1991–2020, reaches about −1°. 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 Ozark, MO, falls mostly in February. Precipitation (rain plus melted snow) adds up to 45 inches a year; May is the wettest month and January the driest. Rain or snow falls on about 74 days a year.
Rain + melted snow by month
Inches of water
Snowfall by month
Inches of snow
Heating and cooling a home in Ozark
77% 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 Ozark, MO.
Living with Ozark’s climate
What the numbers mean for a garden, a free afternoon and a bad-weather day.
189 frost-free days in zone 6b. The last frost comes by Apr 15 in half of years, so many gardeners wait a week or two past that to set out tomatoes. The first fall frost comes by Oct 23.
Months with highs of 62–84° and lows of 40° or more: April, May, September and October. 2.1 miles of trails are waiting.
Parks & trails →Of the yearly building losses FEMA expects in Ozark from natural hazards, river flooding is the largest share (45%); heat waves, cold waves, winter storms and ice storms together are 22%. Normals are averages; the hazards page covers the extremes.
Natural hazards →Ozark and similar climates
TownRatings has no climate map of the towns around Ozark yet.
Climates most like Ozark’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 |
|---|---|---|---|---|
| Ozark, MO | 23° | 89° | 45" | 6.8" |
| Pinckneyville, IL | 24° | 88° | 45" | 8.6" |
| Phoenixville, PA | 23° | 88° | 47" | 7.6" |
| Vincennes, IN | 23° | 88° | 47" | 8.5" |
| Ashland, KY | 24° | 87° | 45" | 6.2" |
Temperatures and precipitation come from NOAA’s 5 km grid; snow and day counts from the stations named on this page.
Warmer than it used to be
The last 30 years in Ozark averaged 0.7° warmer than the 1900s. The biggest change is in February (+1.7°).
A smaller shift than in 94% 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 Ozark compares
Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with Ozark’s place among Missouri’s.
Ozark weather by month
Highs, lows and precipitation from NOAA’s grid at Ozark’s center; snow, wet days and snow on the ground from Ozark, MO. 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | 30-yr range |
|---|---|---|---|---|---|---|
| January | 44° | 23° | 2.5" | 2.8" | 5 | 29° – 44° |
| February | 49° | 27° | 2.6" | 3.2" | 5 | 29° – 47° |
| March | 58° | 34° | 3.9" | 0.4" | 8 | 40° – 58° |
| April | 68° | 44° | 4.8" | 0.0" | 8 | 50° – 61° |
| May | 76° | 53° | 5.5" | 0.0" | 9 | 60° – 72° |
| June | 84° | 62° | 4.5" | 0.0" | 7 | 68° – 78° |
| July | 89° | 66° | 4.0" | 0.0" | 6 | 73° – 84° |
| August | 88° | 64° | 3.3" | 0.0" | 5 | 69° – 81° |
| September | 81° | 56° | 4.3" | 0.0" | 6 | 64° – 76° |
| October | 70° | 44° | 3.5" | 0.0" | 6 | 52° – 63° |
| November | 57° | 35° | 3.7" | 0.0" | 6 | 39° – 53° |
| December | 47° | 26° | 2.7" | 0.4" | 5 | 24° – 43° |
| Year | 67° | 45° | 45.2" | 6.8" | 74 |
How much a month can swing
A normal is an average. December swings the most: from 1991 to 2020 its average ranged from 24° to 43°. June is the most reliable, staying within 9°.
Where Ozark’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 Ozark’s center.
- Snow: Ozark, MO (NOAA station in town).
- Frost, freezing nights, 90° and 100° days, heating and cooling: Ozark, MO, 1.3 miles from the town’s center, 140 ft lower; 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 Ozark’s climate
What is the weather like in Ozark?
A typical July afternoon reaches 89°, a January night drops to 23°, and about 7 inches of snow falls in a normal winter. Milder January nights than 57% of U.S. towns; hotter July afternoons than 70% of U.S. towns.
How cold does it get in Ozark in winter?
January nights average 23°. About 108 nights a year reach 32° or below and 1 reach 0° or below. In the coldest January of the last 30 years the month averaged 29°.
How much snow does Ozark get?
About 6.8 inches in a normal winter at Ozark, MO, most of it in February.
How hot does it get in Ozark?
July, with a typical high of 89° and a low of 66°. About 47 days a year reach 90° and 4 reach 100° (Ozark, MO).
When is the first and last frost in Ozark?
In half of years the last spring frost (32°) comes by April 15 and the first fall frost by October 23, about 189 frost-free days, at Ozark, MO.
What growing zone is Ozark in?
Zone 6b on the 2023 USDA Plant Hardiness Zone Map: the coldest night of a typical winter reaches about −1°.
What is the best time of year to visit Ozark?
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 Ozark getting warmer?
Yes: 1991–2020 averaged 0.7° warmer than 1901–2000 on NOAA’s grid. A smaller shift than 94% of U.S. towns.
Neighbors talk weather
Gardens, snow, and the best days of the year in Ozark.
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.