Climate · Nankin

Nankin, OH climate

Nankin has chilly, snowy winters and pleasant summers. A typical July afternoon reaches 83°, a January night drops to 18°, and about 49 inches of snow falls in a normal winter.

NOAA 1991-2020 climate normals Updated once a decade
July high
83°
676th coolest of 2,573 Ohio towns
January low
18°
258th coldest of 2,573 Ohio towns
Rain + melted snow
39 in
447th driest of 2,573 Ohio towns
Snow a winter
49 in
224th snowiest of 2,536 Ohio towns
A normal year

What a year in Nankin feels like

Winter

37° / 21°
Typical high / low · 16 days with an inch or more of snow

Spring

60° / 38°
Typical high / low · Last frost around Apr 30

Summer

81° / 59°
Typical high / low · 13 days reach 90° in a normal year

Fall

63° / 42°
Typical high / low · First frost around Oct 15
Best months to be outsideMayJunJulAugSepOctHighs of 62–84° and lows of 40° or more
Month by month

Nankin weather by month

Average highs, lows, rain and snow for every month, from NOAA’s 1991–2020 normals.

MonthHighLowRain + meltSnowWet daysSnow on ground30-yr range
January34°18°2.7" 14.5"1616 18° – 37°
February37°20°2.3" 12.7"1314 14° – 39°
March47°28°2.9" 7.6"146 31° – 50°
April61°38°3.7" 1.9"150 43° – 55°
May71°48°3.9" 0140 52° – 67°
June80°57°4.4" 0130 63° – 72°
July83°61°3.7" 0110 67° – 76°
August82°59°3.3" 0100 66° – 75°
September75°52°3.3" 0100 60° – 69°
October63°41°3.1" 0.5"110 48° – 59°
November50°32°2.7" 2.3"122 34° – 48°
December39°25°2.7" 9.7"1410 20° – 43°
Year60°40°38.6"49.2"15347

“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 & snow

Rain and snow in Nankin

Nankin gets 39 inches of rain and melted snow a year. June is the wettest month and February the driest. Rain or snow falls on about 153 days a year. Snow covers the ground about 47 days of the year.

39 in
Rain + melted snow a year
Less rain than 54% of U.S. towns
49 in
Snow in a normal winter
More snow than 82% of U.S. towns
47 days
With 1"+ of snow on the ground
More than 64% of U.S. towns

Rain + melted snow by month

Inches of water
4.4"

Snowfall by month

Inches of snow
15"
Frost & the growing season

About 168 frost-free days a year

In half of years the last 32° night comes by April 30 and the first one by October 15. That leaves about 168 frost-free days for gardens, shorter than 63% of U.S. towns.

140
nights at or below 32° in a normal year
6
nights below 0° in a normal year
13
days that reach 90° in a normal year

Freezing nights by month

Average nights at or below 32°

90° days by month

Average days at 90° or more
Heating & cooling

Heating and cooling a home in Nankin

Engineers use “degree days” to estimate how hard a furnace or air conditioner works. In Nankin, 90% of that work is heating and 10% is cooling, so the furnace matters far more than the air conditioner.

90%heating
6,227 heating degree daysMore heating than 61% of U.S. towns
698 cooling degree daysLess cooling than 61% of U.S. towns

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.

Around Nankin

Nankin and its neighbors

Nankin borders 2 towns with climate data. January nights across them vary by 0.0°. Orange has the coldest January nights (18°) and Montgomery the hottest July afternoons (83°). Nankin’s January low is 18° and its July high 83°.

Clear Creek: January low 18°, July high 83°Jackson: January low 18°, July high 83°Ashland: January low 19°, July high 83°Vermillion: January low 18°, July high 83°Milton: January low 18°, July high 83°Perry: January low 18°, July high 83°Orange: January low 18°, July high 83°Montgomery: January low 18°, July high 83°Nankin: January low 18°, July high 83° NankinOrangeMontgomery
ColderMilder18° to 19°
Nankin18.4°
Orange18.4° same
Montgomery18.4° same

Temperatures and rain come from NOAA’s 5 km grid, so each town gets its own value.

Compared with other towns

How Nankin compares

Summer heat83° July high
Cooler than 64% of U.S. towns676th coolest of 2,573 Ohio towns
Winter cold18° January low
Colder than 54% of U.S. towns258th coldest of 2,573 Ohio towns
Precipitation39" a year
Drier than 54% of U.S. towns447th driest of 2,573 Ohio towns
Snow49" a winter
Snowier than 82% of U.S. towns224th snowiest of 2,536 Ohio towns
Growing season168 frost-free days
Shorter than 63% of U.S. towns399th shortest of 2,573 Ohio towns

Compared with every U.S. town and city on TownTapestry, each counted once.

Then and now

Warmer than it used to be

+1.3°1991–2020 average vs. the 20th century (1901–2000)

The last 30 years in Nankin averaged 1.3° warmer than the 1900s. The biggest change is in December (+2.6°). The shift is larger than in 57% of U.S. towns.

❄️ Winter+1.9° now 29°, was 27°
🌷 Spring+1.5° now 49°, was 47°
☀️ Summer+0.8° now 70°, was 69°
🍂 Fall+0.9° now 52°, was 51°

Change by month1991–2020 average minus 1901–2000 average, at Nankin’s spot on NOAA’s grid

Year to year

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 14° to 39°. September is the most reliable, staying within 8°.

Coldest to warmest month in 30 yearsNormal
Questions

Common questions about Nankin’s climate

What is the coldest month in Nankin?

January, with a typical high of 34° and a low of 18°.

What is the hottest month in Nankin?

July, with a typical high of 83° and a low of 61°. About 13 days a year reach 90°.

How much snow does Nankin get?

About 49 inches in a normal winter, most of it in January.

When is the first frost in Nankin?

In half of years the first 32° night comes by October 15, and the last spring frost by April 30.

What is the rainiest month in Nankin?

June, with 4.4 inches of rain and melted snow. The year totals 39 inches.

Temperatures and rainfall come from NOAA’s gridded climate normals for Nankin itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at Mansfield Lahm Municipal Airport, OH (14 mi, snow) and Ashland 2 Sw, OH (7 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.

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