Bath has chilly winters and warm summers. A typical July afternoon reaches 85°, a January night drops to 22°, and about 25 inches of snow falls in a normal winter.
NOAA 1991-2020 climate normalsUpdated once a decade
☀️
July high
85°
397th hottest of 2,573 Ohio towns
❄️
January low
22°
477th mildest of 2,573 Ohio towns
💧
Rain + melted snow
42 in
1180th wettest of 2,573 Ohio towns
🌨️
Snow a winter
25 in
1081st snowiest of 2,536 Ohio towns
A normal year
What a year in Bath feels like
❄️
Winter
40° / 24°
Typical high / low · 8 days with an inch or more of snow
🌷
Spring
63° / 42°
Typical high / low · Last frost around Apr 16
☀️
Summer
84° / 63°
Typical high / low · 16 days reach 90° in a normal year
🍂
Fall
65° / 45°
Typical high / low · First frost around Oct 28
10°
20°
40°
50°
60°
70°
80°
90°
100°
32°
37°
22°
41°
24°
51°
32°
64°
42°
74°
52°
82°
61°
85°
65°
84°
63°
78°
55°
66°
44°
52°
35°
41°
27°
JanJFebFMarMAprAMayMJunJJulJAugASepSOctONovNDecD
32°, freezingBar runs from the typical overnight low up to the afternoon high
Best months to be outsideAprMayJunAugSepOctHighs of 62–84° and lows of 40° or more
Month by month
Bath weather by month
Average highs, lows, rain and snow for every month, from NOAA’s 1991–2020 normals.
Month
High
Low
Rain + melt
Snow
Wet days
Snow on ground
30-yr range
January
37°
22°
3.1"
8.3"
13
11
21° – 41°
February
41°
24°
2.4"
6.6"
11
8
20° – 42°
March
51°
32°
3.4"
3.9"
12
2
35° – 55°
April
64°
42°
4.3"
0.4"
13
0
46° – 58°
May
74°
52°
4.6"
0
14
0
56° – 71°
June
82°
61°
4.4"
0
12
0
67° – 74°
July
85°
65°
4.2"
0
11
0
70° – 80°
August
84°
63°
3.2"
0
8
0
68° – 78°
September
78°
55°
3.1"
0
9
0
63° – 73°
October
66°
44°
2.9"
0.2"
10
0
51° – 61°
November
52°
35°
3.1"
0.8"
10
1
37° – 50°
December
41°
27°
3.0"
4.8"
12
6
22° – 44°
Year
63°
43°
41.5"
25.0"
134
27
“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 Bath
Bath gets 42 inches of rain and melted snow a year. May is the wettest month and February the driest. Rain or snow falls on about 134 days a year. Snow covers the ground about 27 days of the year.
💧
42 in
Rain + melted snow a year
More rain than 56% of U.S. towns
❄️
25 in
Snow in a normal winter
More snow than 50% of U.S. towns
⛄
27 days
With 1"+ of snow on the ground
Fewer than 51% of U.S. towns
Rain + melted snow by month
Inches of water
4.6"
JFMAMJJASOND
Snowfall by month
Inches of snow
8.3"
JFMAMJJASOND
Frost & the growing season
About 194 frost-free days a year
In half of years the last 32° night comes by April 16 and the first one by October 28. That leaves about 194 frost-free days for gardens, longer than 68% of U.S. towns.
🌱 Apr 16
🍂 Oct 28
194 frost-free days
JFMAMJJASOND
🥶
110
nights at or below 32° in a normal year
🧊
4
nights below 0° in a normal year
🔥
16
days that reach 90° in a normal year
Freezing nights by month
Average nights at or below 32°
JFMAMJJASOND
90° days by month
Average days at 90° or more
JFMAMJJASOND
Heating & cooling
Heating and cooling a home in Bath
Engineers use “degree days” to estimate how hard a furnace or air conditioner works. In Bath, 82% of that work is heating and 18% is cooling, so the furnace matters far more than the air conditioner.
🔥
5,149 heating degree daysLess heating than 63% of U.S. towns
❄️
1,154 cooling degree daysMore cooling than 67% 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 Bath
Bath and its neighbors
Bath borders 10 towns with climate data. January nights across them vary by 0.8°. Miami has the coldest January nights (21°) and Dayton the hottest July afternoons (86°). Bath’s January low is 22° and its July high 85°.
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 Bath averaged 1.3° warmer than the 1900s. The biggest change is in December (+2.5°). The shift is larger than in 55% of U.S. towns.
❄️ Winter+1.9°now 32°, was 30°
🌷 Spring+1.6°now 53°, was 51°
☀️ Summer+0.6°now 73°, was 73°
🍂 Fall+1.0°now 55°, was 54°
Change by month1991–2020 average minus 1901–2000 average, at Bath’s spot on NOAA’s grid
+0.1°
+2.5°
JanJFebFMarMAprAMayMJunJJulJAugASepSOctONovNDecD
Year to year
How much a month can swing
A normal is an average, and real years wander around it. December swings the most: between 1991 and 2020 its average temperature ranged from 22° to 44°. June is the most reliable, staying within 7°.
10°
20°
30°
40°
50°
60°
70°
80°
90°
JanJFebFMarMAprAMayMJunJJulJAugASepSOctONovNDecD
Coldest to warmest month in 30 yearsNormal
Questions
Common questions about Bath’s climate
What is the coldest month in Bath?
January, with a typical high of 37° and a low of 22°.
What is the hottest month in Bath?
July, with a typical high of 85° and a low of 65°. About 16 days a year reach 90°.
How much snow does Bath get?
About 25 inches in a normal winter, most of it in January.
When is the first frost in Bath?
In half of years the first 32° night comes by October 28, and the last spring frost by April 16.
What is the rainiest month in Bath?
May, with 4.6 inches of rain and melted snow. The year totals 42 inches.
📍Temperatures and rainfall come from NOAA’s gridded climate normals for Bath itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at Dayton Intl Airport, OH (13 mi) away. Normals are 30-year averages, not a forecast. Source: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000.