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Statistics · City
Normal high in October in Indianapolis
1991–2020 · 1 data point
Updated Oct 22, 2026
Source: NOAA National Centers for Environmental Information — GHCN-Daily, 1991–2020
Weather through the year long-term average 1991–2020 · Indianapolis weather station, 12 km away
36°
21°
Jan
41°
24°
Feb
52°
33°
Mar
64°
43°
Apr
74°
54°
May
82°
63°
Jun
85°
66°
Jul
84°
65°
Aug
78°
57°
Sep
66°
46°
Oct
52°
35°
Nov
41°
26°
Dec
3.1
2.4
3.7
4.3
4.8
4.9
4.4
3.2
3.1
3.2
3.5
2.9
High and low, °F
Precipitation, inches
Source: NOAA National Centers for Environmental Information — GHCN-Daily, 1991–2020
What it means
The typical daytime high in October.
How it is calculated
Average daily maximum in October at the nearest weather station with a long record: 1991–2020, or the latest ten years.
Average daily high
63 °F
1991–2020
Average daily low
44 °F
1991–2020
Normal annual rainfall
43.6 in
1991–2020
Hot days (30 °C / 86 °F or more)
49
1991–2020
Rainy days
101
1991–2020
Average annual temperature
55 °F
2025
Annual precipitation
36.7 in
2025
CO₂ emissions per person
13.6
2024 · United States