Clay has chilly winters and pleasant summers. A typical July afternoon reaches 84°, a January night drops to 19°, and about 20 inches of snow falls in a normal winter.
NOAA 1991-2020 climate normalsUpdated once a decade
☀️
July high
84°
678th coolest of 1,978 Indiana towns
❄️
January low
19°
982nd coldest of 1,978 Indiana towns
💧
Rain + melted snow
42 in
924th driest of 1,978 Indiana towns
🌨️
Snow a winter
20 in
958th snowiest of 1,972 Indiana towns
A normal year
What a year in Clay feels like
❄️
Winter
38° / 22°
Typical high / low · 7 days with an inch or more of snow
🌷
Spring
62° / 41°
Typical high / low · Last frost around Apr 21
☀️
Summer
82° / 62°
Typical high / low · 18 days reach 90° in a normal year
🍂
Fall
64° / 43°
Typical high / low · First frost around Oct 21
10°
20°
40°
50°
60°
70°
80°
90°
100°
32°
35°
19°
39°
22°
50°
31°
63°
41°
73°
51°
81°
61°
84°
64°
83°
62°
77°
54°
65°
43°
51°
33°
39°
24°
JanJFebFMarMAprAMayMJunJJulJAugASepSOctONovNDecD
32°, freezingBar runs from the typical overnight low up to the afternoon high
Best months to be outsideAprMayJunJulAugSepOctHighs of 62–84° and lows of 40° or more
Month by month
Clay 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
30-yr range
January
35°
19°
2.8"
7.4"
11
18° – 39°
February
39°
22°
2.4"
5.9"
9
18° – 41°
March
50°
31°
3.2"
1.6"
11
33° – 55°
April
63°
41°
4.2"
0
12
45° – 57°
May
73°
51°
4.6"
0
11
56° – 70°
June
81°
61°
5.1"
0
11
67° – 74°
July
84°
64°
4.1"
0
11
68° – 80°
August
83°
62°
3.4"
0
8
67° – 78°
September
77°
54°
3.4"
0
9
61° – 70°
October
65°
43°
3.2"
0.1"
8
49° – 60°
November
51°
33°
3.4"
0.5"
10
34° – 49°
December
39°
24°
2.8"
4.8"
11
18° – 41°
Year
61°
42°
42.4"
20.3"
121
“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 Clay
Clay gets 42 inches of rain and melted snow a year. June is the wettest month and February the driest. Rain or snow falls on about 121 days a year.
💧
42 in
Rain + melted snow a year
More rain than 60% of U.S. towns
❄️
20 in
Snow in a normal winter
Less snow than 57% of U.S. towns
☔
121 days
With rain or snow (0.01"+)
Rain + melted snow by month
Inches of water
5.1"
JFMAMJJASOND
Snowfall by month
Inches of snow
7.4"
JFMAMJJASOND
Frost & the growing season
About 183 frost-free days a year
In half of years the last 32° night comes by April 21 and the first one by October 21. That leaves about 183 frost-free days for gardens, longer than 56% of U.S. towns.
🌱 Apr 21
🍂 Oct 21
183 frost-free days
JFMAMJJASOND
🥶
122
nights at or below 32° in a normal year
🧊
5
nights below 0° in a normal year
🔥
18
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 Clay
Engineers use “degree days” to estimate how hard a furnace or air conditioner works. In Clay, 86% of that work is heating and 14% is cooling, so the furnace matters far more than the air conditioner.
🔥
5,758 heating degree daysMore heating than 50% of U.S. towns
❄️
920 cooling degree daysMore cooling than 56% 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 Clay
Clay and its neighbors
Clay borders 9 towns with climate data. January nights across them vary by 1.3°. Westfield Washington has the coldest January nights (19°) and Indianapolis the hottest July afternoons (85°). Clay’s January low is 19° and its July high 84°.
Compared with every U.S. town and city on TownTapestry, each counted once.
Then and now
Warmer than it used to be
+1.0°1991–2020 average vs. the 20th century (1901–2000)
The last 30 years in Clay averaged 1.0° warmer than the 1900s. The biggest change is in December (+2.2°). The shift is smaller than in 67% of U.S. towns.
❄️ Winter+1.7°now 30°, was 28°
🌷 Spring+1.4°now 51°, was 50°
☀️ Summer+0.2°now 72°, was 72°
🍂 Fall+0.8°now 54°, was 53°
Change by month1991–2020 average minus 1901–2000 average, at Clay’s spot on NOAA’s grid
−0.3°
+2.2°
JanJFebFMarMAprAMayMJunJJulJAugASepSOctONovNDecD
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 18° to 41°. 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 Clay’s climate
What is the coldest month in Clay?
January, with a typical high of 35° and a low of 19°.
What is the hottest month in Clay?
July, with a typical high of 84° and a low of 64°. About 18 days a year reach 90°.
How much snow does Clay get?
About 20 inches in a normal winter, most of it in January.
When is the first frost in Clay?
In half of years the first 32° night comes by October 21, and the last spring frost by April 21.
What is the rainiest month in Clay?
June, with 5.1 inches of rain and melted snow. The year totals 42 inches.
📍Temperatures and rainfall come from NOAA’s gridded climate normals for Clay itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at Noblesville 3 W, IN (6 mi, snow) and Carmel 3 E, IN (5 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.