Photo: Nyttend · Public domainSummer arrives softly in Catawba, cooler than in 72% of U.S. towns
In January the night’s low is typically 20°. Winter nights are cold: in January they are colder than in 62% of U.S. towns. Compared with 1901–2000, the average now sits 1.0° higher. Keep the boiler serviced for the months from November to March, which average under 50°.
A year in Catawba at a glance
Each month’s typical high and low, and what it brings.
What stands out about Catawba’s climate
Compared with towns across the U.S., with Catawba’s place in Ohio beside it.
What a year in Catawba feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
About 175 frost-free days a year
In half of years the last 32° night comes by April 25 and the first by October 19. Frost and day counts come from NOAA’s station at Springfield Wtp, OH, 10 miles from the town’s center, 270 ft lower.
The 2023 USDA map puts Catawba’s center in zone 6a: the coldest night of a typical winter, averaged over 1991–2020, reaches about −8°. 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 24 inches of snow a winter
Snow, measured at Marysville, OH, is heaviest from January through February, about 7 inches a month. Precipitation (rain plus melted snow) adds up to 42 inches a year; May is the wettest month and February the driest. Rain or snow falls on about 126 days a year.
Rain + melted snow by month
Inches of water
Snowfall by month
Inches of snow
Heating and cooling a home in Catawba
88% of the work is heating, so the furnace matters far more than the air conditioner. Months averaging under 55° run from October through April.
Degree days add up how far each day’s average falls below (heating) or rises above (cooling) 65° over a year. NOAA normals at Springfield Wtp, OH.
Living with Catawba’s climate
What the numbers mean for a garden, a free afternoon and a bad-weather day.
175 frost-free days in zone 6a. The last frost comes by Apr 25 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 19.
Months with highs of 62–84° and lows of 40° or more: May, June, July, August, September and October.
Parks & trails →Of the yearly building losses FEMA expects in Catawba from natural hazards, river flooding is the largest share (61%); heat waves, cold waves, winter storms and ice storms together are 10%. Normals are averages; the hazards page covers the extremes.
Natural hazards →Catawba and similar climates
TownRatings has no climate map of the towns around Catawba yet.
Climates most like Catawba’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 |
|---|---|---|---|---|
| Catawba, OH | 20° | 83° | 42" | 24" |
| Lebanon, IN | 18° | 83° | 42" | 22" |
| Monroeville, PA | 21° | 83° | 42" | 25" |
| Calumet City, IL | 18° | 84° | 39" | 28" |
| Conning Towers-Nautilus Park, CT | 22° | 82° | 46" | 25" |
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 Catawba averaged 1.0° warmer than the 1900s. The biggest change is in December (+2.3°).
A smaller shift than in 76% 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 Catawba compares
Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with Catawba’s place among Ohio’s.
Catawba weather by month
Highs, lows and precipitation from NOAA’s grid at Catawba’s center; snow, wet days and snow on the ground from Marysville, OH. 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | Snow on ground | 30-yr range |
|---|---|---|---|---|---|---|---|
| January | 35° | 20° | 3.0" | 7.0" | 11 | 14 | 17° – 38° |
| February | 39° | 22° | 2.4" | 6.6" | 10 | 12 | 17° – 40° |
| March | 49° | 31° | 3.4" | 4.1" | 11 | 4 | 33° – 52° |
| April | 62° | 40° | 4.2" | 0.1" | 12 | 0 | 44° – 57° |
| May | 72° | 50° | 4.7" | 0.0" | 14 | 0 | 54° – 68° |
| June | 80° | 59° | 4.5" | 0.0" | 12 | 0 | 65° – 72° |
| July | 83° | 62° | 4.6" | 0.0" | 10 | 0 | 68° – 77° |
| August | 82° | 61° | 3.3" | 0.0" | 9 | 0 | 67° – 76° |
| September | 76° | 53° | 3.1" | 0.0" | 9 | 0 | 61° – 70° |
| October | 64° | 43° | 2.8" | 0.0" | 9 | 0 | 49° – 60° |
| November | 51° | 33° | 3.0" | 0.7" | 10 | 1 | 35° – 48° |
| December | 39° | 25° | 3.1" | 5.5" | 11 | 8 | 20° – 42° |
| Year | 61° | 42° | 42.1" | 24.0" | 126 | 38 |
How much a month can swing
A normal is an average. February swings the most: from 1991 to 2020 its average ranged from 17° to 40°. June is the most reliable, staying within 7°.
Where Catawba’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 Catawba’s center.
- Snow: Marysville, OH.
- Frost, freezing nights, 90° and 100° days, heating and cooling: Springfield Wtp, OH, 10 miles from the town’s center, 270 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 Catawba’s climate
What is the weather like in Catawba?
A typical July afternoon reaches 83°, a January night drops to 20°, and about 24 inches of snow falls in a normal winter. Colder January nights than 62% of U.S. towns; cooler July afternoons than 72% of U.S. towns.
How cold does it get in Catawba in winter?
January nights average 20°. About 126 nights a year reach 32° or below and 5 reach 0° or below. In the coldest January of the last 30 years the month averaged 17°.
How much snow does Catawba get?
About 24 inches in a normal winter at Marysville, OH, heaviest from January through February, about 7 inches a month, with snow on the ground about 38 days a year.
How hot does it get in Catawba?
July, with a typical high of 83° and a low of 62°. About 12 days a year reach 90° (Springfield Wtp, OH).
When is the first and last frost in Catawba?
In half of years the last spring frost (32°) comes by April 25 and the first fall frost by October 19, about 175 frost-free days, at Springfield Wtp, OH.
What growing zone is Catawba in?
Zone 6a on the 2023 USDA Plant Hardiness Zone Map: the coldest night of a typical winter reaches about −8°.
What is the best time of year to visit Catawba?
By one simple rule (highs of 62–84° and lows of 40° or more), May, June, July, August, September and October. The rule is ours, not NOAA’s; the month table has the numbers to judge by.
Is Catawba getting warmer?
Yes: 1991–2020 averaged 1.0° warmer than 1901–2000 on NOAA’s grid. A smaller shift than 76% of U.S. towns.
Neighbors talk weather
Gardens, snow, and the best days of the year in Catawba.
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.