Greenfield weather in October

In October, Greenfield sees average daytime highs of 65°F and overnight lows near 46°F, with 3.3 in of precipitation across 8.8 wet days and about 10.9 hours of daylight. It is the 6th-warmest and 8th-wettest month of the year here.

Highs ease over the month, from about 71°F in the first days to 59°F by the end. The sky is clear or mostly clear about 37% of the time in October, and the air most often feels dry.

Daylight stretches from about 11 h 36 min at the start of October to 10 h 18 min by month's end. Set against the rest of the year, October is Greenfield's 4th-clearest and 7th-windiest month. For the whole year in context, see Greenfield's year-round climate.

Daytime high
65°
6th warmest
Overnight low
46°
7th coldest
Precipitation
3.3 in
8.8 wet days
Daylight
10 h 54 min
7:00 AM – 5:56 PM
Cloud cover
55%
4th clearest
Wind
9 mph
7th windiest
Solar energy
3.26 kWh/m²
Travel score
6.0
out of 10

Greenfield is city in Indiana, United States; county seat of Hancock County.

Density
655/km²
people per km²
Founded
1828

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in October

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 71°F in the first days to 59°F by the end.

A typical October day in Greenfield reaches about 65°F in the afternoon and slips back to 46°F overnight — a 19°F spread between the day's warmth and the night's chill. On most days the high lands between 52°F and 77°F. Set against its neighbours, October runs about 12°F cooler than September and about 14°F warmer than November.

20°40°60°80°151015202531
Avg high (°F)Avg low (°F)
17251
27151
37151
47050
57050
67049
76949
86949
96848
106848
116747
126747
136647
146646
156546
166546
176445
186445
196344
206344
216244
226244
236143
246143
256043
266042
275942
285942
295941
305841
315840

How October really feels in Greenfield

Once humidity and wind are folded in, October averages 0 days that feel above 90°F and 0 that feel at or below 32°F — the comfort signal a plain temperature reading hides.

Days feeling ≥ 90°F
0
heat index over the day's high
Days feeling ≤ 32°F
0
wind chill below the day's low

October sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Greenfield weather by month

How October compares with the rest of the year at a glance. October is the 6th-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan36° / 22°3.39.94.49.50.0
Feb40° / 24°2.78.84.210.40.1
Mar51° / 33°4.010.92.111.72.4
Apr63° / 44°4.712.60.5135.1
May72° / 55°4.913.5014.26.1
Jun81° / 64°4.211.9014.86.0
Jul83° / 67°3.611.6014.55.6
Aug82° / 65°2.89.5013.66.4
Sep77° / 57°3.07.9012.37.2
Oct65° / 46°3.38.80.110.96.0
Nov51° / 35°3.59.10.99.82.6
Dec40° / 27°3.310.53.59.20.2

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 37% of the time in October.

Beyond those clear spells, partly cloudy skies cover about 12% of October, with mostly cloudy or overcast conditions the remaining 51%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15842
25842
35743
45743
55644
65545
75545
85446
95347
105347
115248
125248
135248
145248
155149
165149
175050
184852
194852
204654
214654
224456
234456
244357
254357
264258
274159
284159
294060
304060
314159

Chance of precipitation in October

Any precipitation

Greenfield gets around 3.3 in of rain and snow over 8.8 wet days in October. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 28% and peaks near 31% on the wettest days, and about 0 day brings snow.

0%10%20%30%40%151015202531
Rain chance (%)
126
226
325
425
525
625
725
826
926
1026
1127
1227
1328
1428
1528
1628
1729
1829
1930
2030
2130
2230
2331
2431
2531
2631
2731
2831
2931
3031
3131

Humidity in October

DryComfortableHumidMuggyOppressiveMiserable

Most of October feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, October lands in the dry band about 84% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
1721495
2731395
3731395
4741394
5751294
6761284
7761284
8771283
9791173
10791173
11811162
12821062
13821062
14841051
15841051
1686941
1787940
1887940
1988840
2089830
2189830
2290730
2390730
2490730
2591720
2691720
2791720
2892620
2992620
3093610
3193610

Wind in October

Winds average 9 mph in October.

Across October, daily wind ranges from about 8 mph on the calmest days to 9 mph at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (mph)Feels
18light breeze
28light breeze
38light breeze
48light breeze
58light breeze
68light breeze
78light breeze
88light breeze
98light breeze
108light breeze
118light breeze
128light breeze
138light breeze
148light breeze
159light breeze
169light breeze
179light breeze
189light breeze
199light breeze
209light breeze
219light breeze
229light breeze
239light breeze
249light breeze
259light breeze
269light breeze
279light breeze
289light breeze
299light breeze
309light breeze
319light breeze

Sunrise & sunset in October

DaylightNight

Daylight runs from about 11 h 36 min at the start of October to 10 h 18 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 78 minutes over October. Sunrise moves from 6:44 AM to 7:17 AM, and sunset from 6:20 PM to 5:36 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.66:446:20
211.56:456:18
311.56:466:16
411.56:486:15
511.46:496:13
611.46:506:11
711.36:516:10
811.36:526:08
911.26:536:07
1011.26:546:05
1111.16:556:04
1211.16:566:02
1311.16:576:01
1411.06:585:59
1511.06:595:58
1610.97:005:56
1710.97:015:55
1810.87:025:53
1910.87:035:52
2010.87:055:50
2110.77:065:49
2210.77:075:48
2310.67:085:46
2410.67:095:45
2510.67:105:44
2610.57:115:42
2710.57:125:41
2810.47:145:40
2910.47:155:39
3010.47:165:37
3110.37:175:36

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 3.26 kWh/m².

For context, solar energy here swings from a low near 1.73 kWh/m² to a high of 6.27 kWh/m² in July across the year — October's 3.26 kWh/m² falls in the middle.

01234151015202531
Solar energy (kWh/m²)Level
14.0Moderate
23.9Moderate
33.9Moderate
43.9Moderate
53.8Moderate
63.8Moderate
73.7Moderate
83.7Moderate
93.6Moderate
103.6Moderate
113.5Moderate
123.5Moderate
133.4Moderate
143.4Moderate
153.3Moderate
163.3Moderate
173.2Moderate
183.2Moderate
193.1Moderate
203.1Moderate
213.0Moderate
223.0Moderate
232.9Moderate
242.9Moderate
252.9Moderate
262.8Moderate
272.8Moderate
282.7Moderate
292.7Moderate
302.7Moderate
312.7Moderate
Planning a trip in October

Is October a good time to visit Greenfield?

Our two travel scores rate October for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

6.0
Sightseeing
4th-best month of the year
2.3
Beach & pool
6th-best month of the year

October is a reasonable time to visit Greenfield for sightseeing.

What to pack for Greenfield in October

From October's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In October, Greenfield sees daytime highs around 65°F and nights near 46°F. Worth packing: a warm layer and rain gear. About 9 days see rain.

a warm layerrain gear

UV index in Greenfield in October

LowModerateHighVery highExtreme

Clear-sky midday UV in October peaks around 3 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Greenfield peaks around June 21 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 21 at about 2 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 9 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highHighModerateJun 21UV 9Dec 21UV 2
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar5Moderate
Apr6High
May8Very high
Jun9Very high
Jul9Very high
Aug8Very high
Sep6High
Oct3Moderate
Nov3Moderate
Dec2Low

Air quality in Greenfield in October

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where October falls, not just the annual average.

Air quality in Greenfield is worst in July — around 17 µg/m³ PM2.5 (moderate), about 2.2× the cleanest month (October, 8 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1317 µg/m³Oct 228 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb12Good
Mar12Good
Apr12Good
May14Moderate
Jun16Moderate
Jul17Moderate
Aug14Moderate
Sep11Good
Oct8Good
Nov8Good
Dec9Good
Location & terrain

Where is Greenfield?

Greenfield sits at 39.8°N, 85.8°W, 883 ft above sea level, in United States. The nearest listed city is Lawrence, 14 mi away.

Topography around Greenfield

How much the land rises and falls, and what covers it, within 2, 10 and 50 miles of Greenfield.

Within 2 miles, the terrain around Greenfield has only modest variations in elevation — a maximum elevation change of 85 ft around an average of 886 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 299 ft; within 50 miles, significant variations in elevation — a maximum elevation change of 837 ft.

The land around Greenfield is covered by cropland (28%), grassland (27%) and trees (23%) within 2 miles, cropland (69%) within 10 miles, and cropland (61%) and trees (25%) within 50 miles.

2 miles
85 ft
10 miles
299 ft
50 miles
837 ft
treesgrasslandcroplandartificial surfaceswater
October weather nearby: Lawrence 14 mi · Fishers 17 mi · Shelbyville 18 mi · Broad Ripple 21 mi · Indianapolis 21 mi · Greenwood 22 mi · Noblesville 22 mi · Anderson 22 mi

United States travel facts

Power plugs
Type A / B
120 V · 60 Hz
Prices
≈ 100% of US
price level, 2025
GDP per capita
$90,027
2025
Happiness
6.8 / 10
World Happiness, 2025
Safe drinking water
98%
of population, 2024
Homicide rate
5.8
per 100k, 2023
Road deaths
12.7
per 100k/yr, 2019
Income group
High
World Bank
Religion
Protestant 47%unaffiliated 23%Roman Catholic 21%Jewish 2%

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Greenfield (39.785°, -85.7694°, elevation 883 ft), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).