Photo: Nyttend · Public domainThe climate in Harrod sits close to the middle of U.S. towns
The coldest hours of a January night bottom out at 19° on average. Its July afternoons stay fresher than in 65% of U.S. towns. Warming shows here too: 1.2° more than in 1901–2000, led by December. The heating season runs November to March: each of those months averages under 50°.
A year in Harrod at a glance
Each month’s typical high and low, and what it brings.
What stands out about Harrod’s climate
Compared with towns across the U.S., with Harrod’s place in Ohio beside it.
What a year in Harrod feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
About 181 frost-free days a year
In half of years the last 32° night comes by April 22 and the first by October 22. Frost and day counts come from NOAA’s station at Lima Allen Co Airport, 6 miles from the town’s center, at about the same height.
The 2023 USDA map puts Harrod’s center in zone 6a: the coldest night of a typical winter, averaged over 1991–2020, reaches about −6°. 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 19 inches of snow a winter
Snow, measured at Lima Wwtp, OH, falls mostly in January. Precipitation (rain plus melted snow) adds up to 39 inches a year; June is the wettest month and February the driest. Rain or snow falls on about 134 days a year.
Rain + melted snow by month
Inches of water
Snowfall by month
Inches of snow
Heating and cooling a home in Harrod
87% 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 Lima Allen Co Airport.
Living with Harrod’s climate
What the numbers mean for a garden, a free afternoon and a bad-weather day.
181 frost-free days in zone 6a. The last frost comes by Apr 22 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 22.
Months with highs of 62–84° and lows of 40° or more: May, June, July, August, September and October. 0.0 miles of trails are waiting.
Parks & trails →Of the yearly building losses FEMA expects in Harrod from natural hazards, river flooding is the largest share (67%); heat waves, cold waves, winter storms and ice storms together are 7%. Normals are averages; the hazards page covers the extremes.
Natural hazards →Harrod and similar climates
TownRatings has no climate map of the towns around Harrod yet.
Climates most like Harrod’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 |
|---|---|---|---|---|
| Harrod, OH | 19° | 84° | 39" | 19" |
| West Lafayette, IN | 18° | 84° | 40" | 19" |
| Economy, PA | 21° | 84° | 41" | 20" |
| Mokena, IL | 17° | 84° | 40" | 17" |
| Wheeling, WV | 22° | 84° | 42" | 15" |
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 Harrod averaged 1.2° warmer than the 1900s. The biggest change is in December (+2.4°).
A smaller shift than in 60% 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 Harrod compares
Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with Harrod’s place among Ohio’s.
Harrod weather by month
Highs, lows and precipitation from NOAA’s grid at Harrod’s center; snow, wet days and snow on the ground from Lima Wwtp, OH. 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | Snow on ground | 30-yr range |
|---|---|---|---|---|---|---|---|
| January | 33° | 19° | 2.7" | 6.0" | 13 | 9 | 18° – 38° |
| February | 37° | 22° | 2.3" | 5.1" | 11 | 8 | 16° – 40° |
| March | 47° | 30° | 2.8" | 2.8" | 12 | 2 | 32° – 52° |
| April | 61° | 39° | 3.9" | 0.1" | 13 | 0 | 44° – 55° |
| May | 72° | 50° | 4.3" | 0.0" | 13 | 0 | 54° – 68° |
| June | 80° | 60° | 4.3" | 0.0" | 12 | 0 | 65° – 73° |
| July | 84° | 63° | 4.1" | 0.0" | 10 | 0 | 68° – 78° |
| August | 82° | 61° | 3.6" | 0.0" | 9 | 0 | 67° – 76° |
| September | 76° | 54° | 3.2" | 0.0" | 9 | 0 | 61° – 70° |
| October | 64° | 43° | 2.9" | 0.0" | 11 | 0 | 49° – 60° |
| November | 50° | 33° | 2.9" | 0.4" | 10 | 0 | 35° – 48° |
| December | 38° | 25° | 2.6" | 4.1" | 11 | 3 | 19° – 42° |
| Year | 60° | 41° | 39.3" | 18.5" | 134 | 22 |
How much a month can swing
A normal is an average. February swings the most: from 1991 to 2020 its average ranged from 16° to 40°. September is the most reliable, staying within 8°.
Where Harrod’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 Harrod’s center.
- Snow: Lima Wwtp, OH.
- Frost, freezing nights, 90° and 100° days, heating and cooling: Lima Allen Co Airport, 6 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 Harrod’s climate
What is the weather like in Harrod?
A typical July afternoon reaches 84°, a January night drops to 19°, and about 19 inches of snow falls in a normal winter. Colder January nights than 65% of U.S. towns; cooler July afternoons than 65% of U.S. towns.
How cold does it get in Harrod in winter?
January nights average 19°. About 116 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 18°.
How much snow does Harrod get?
About 19 inches in a normal winter at Lima Wwtp, OH, most of it in January, with snow on the ground about 22 days a year.
How hot does it get in Harrod?
July, with a typical high of 84° and a low of 63°. About 14 days a year reach 90° (Lima Allen Co Airport).
When is the first and last frost in Harrod?
In half of years the last spring frost (32°) comes by April 22 and the first fall frost by October 22, about 181 frost-free days, at Lima Allen Co Airport.
What growing zone is Harrod in?
Zone 6a on the 2023 USDA Plant Hardiness Zone Map: the coldest night of a typical winter reaches about −6°.
What is the best time of year to visit Harrod?
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 Harrod getting warmer?
Yes: 1991–2020 averaged 1.2° warmer than 1901–2000 on NOAA’s grid. A smaller shift than 60% of U.S. towns.
Neighbors talk weather
Gardens, snow, and the best days of the year in Harrod.
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.