Indianapolis weather by month

Check out Indianapolis weather averages by month. Compare detailed monthly climate statistics including temperature, rainfall and sunshine figures.

Temperature in Indianapolis (°C)

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Max temperature (daytime)
1°C maximum daytime temperature in January in Indianapolis1
4°C maximum daytime temperature in February in Indianapolis4
10°C maximum daytime temperature in March in Indianapolis10
17°C maximum daytime temperature in April in Indianapolis17
23°C maximum daytime temperature in May in Indianapolis23
28°C maximum daytime temperature in June in Indianapolis28
30°C maximum daytime temperature in July in Indianapolis30
29°C maximum daytime temperature in August in Indianapolis29
25°C maximum daytime temperature in September in Indianapolis25
19°C maximum daytime temperature in October in Indianapolis19
11°C maximum daytime temperature in November in Indianapolis11
4°C maximum daytime temperature in December in Indianapolis4
Min temperature (night-time)
-9°C minimum night-time temperature in January in Indianapolis-9
-7°C minimum night-time temperature in February in Indianapolis-7
-1°C minimum night-time temperature in March in Indianapolis-1
5°C minimum night-time temperature in April in Indianapolis5
11°C minimum night-time temperature in May in Indianapolis11
16°C minimum night-time temperature in June in Indianapolis16
18°C minimum night-time temperature in July in Indianapolis18
17°C minimum night-time temperature in August in Indianapolis17
13°C minimum night-time temperature in September in Indianapolis13
6°C minimum night-time temperature in October in Indianapolis6
1°C minimum night-time temperature in November in Indianapolis1
-5°C minimum night-time temperature in December in Indianapolis-5
Heat & Humidity
No heat & humidity in January in Indianapolis0
No heat & humidity in February in Indianapolis0
No heat & humidity in March in Indianapolis0
No heat & humidity in April in Indianapolis0
No heat & humidity in May in Indianapolis0
Moderate heat & humidity in June in IndianapolisM
Moderate heat & humidity in July in IndianapolisM
Moderate heat & humidity in August in IndianapolisM
Low heat & humidity in September in IndianapolisL
No heat & humidity in October in Indianapolis0
No heat & humidity in November in Indianapolis0
No heat & humidity in December in Indianapolis0

Note: 0 = None, L = Low, M = Moderate, H = High, VH = Very high, E = Extreme

Sunshine & Daylight in Indianapolis

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Daily hours of sunshine
Daily hours of daylight
10 hours of daylight per day in January in Indianapolis10
11 hours of daylight per day in February in Indianapolis11
12 hours of daylight per day in March in Indianapolis12
13 hours of daylight per day in April in Indianapolis13
14 hours of daylight per day in May in Indianapolis14
15 hours of daylight per day in June in Indianapolis15
15 hours of daylight per day in July in Indianapolis15
14 hours of daylight per day in August in Indianapolis14
12 hours of daylight per day in September in Indianapolis12
11 hours of daylight per day in October in Indianapolis11
10 hours of daylight per day in November in Indianapolis10
9 hours of daylight per day in December in Indianapolis9
UV Index (Maximum)
UV (maximum) index 2 (Low) in January in Indianapolis2
UV (maximum) index 3 (Moderate) in February in Indianapolis3
UV (maximum) index 4 (Moderate) in March in Indianapolis4
UV (maximum) index 6 (High) in April in Indianapolis6
UV (maximum) index 8 (Very High) in May in Indianapolis8
UV (maximum) index 9 (Very High) in June in Indianapolis9
UV (maximum) index 9 (Very High) in July in Indianapolis9
UV (maximum) index 8 (Very High) in August in Indianapolis8
UV (maximum) index 6 (High) in September in Indianapolis6
UV (maximum) index 4 (Moderate) in October in Indianapolis4
UV (maximum) index 2 (Low) in November in Indianapolis2
UV (maximum) index 2 (Low) in December in Indianapolis2

Rainfall in Indianapolis

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Number of days with some rain
11 days with some rainfall in January in Indianapolis11
10 days with some rainfall in February in Indianapolis10
13 days with some rainfall in March in Indianapolis13
12 days with some rainfall in April in Indianapolis12
11 days with some rainfall in May in Indianapolis11
9 days with some rainfall in June in Indianapolis9
10 days with some rainfall in July in Indianapolis10
9 days with some rainfall in August in Indianapolis9
8 days with some rainfall in September in Indianapolis8
9 days with some rainfall in October in Indianapolis9
10 days with some rainfall in November in Indianapolis10
13 days with some rainfall in December in Indianapolis13
Average monthly rainfall (mm)
61 mm monthly rainfall in January in Indianapolis61
61 mm monthly rainfall in February in Indianapolis61
92 mm monthly rainfall in March in Indianapolis92
99 mm monthly rainfall in April in Indianapolis99
105 mm monthly rainfall in May in Indianapolis105
91 mm monthly rainfall in June in Indianapolis91
119 mm monthly rainfall in July in Indianapolis119
93 mm monthly rainfall in August in Indianapolis93
75 mm monthly rainfall in September in Indianapolis75
70 mm monthly rainfall in October in Indianapolis70
85 mm monthly rainfall in November in Indianapolis85
82 mm monthly rainfall in December in Indianapolis82

More about Indianapolis

Indianapolis by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for Indiana

Hopper: 10% off hotels with rewards programme

  • Save 10% on hotels with Hopper rewards programme
  • Book stays in Las Vegas, New York, Tampa & beyond
  • Sign up to Hopper rewards programme for discount
Go to Hopper deal >>

The climate guide for Indiana (Indianapolis) shows long term monthly weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

What's the climate like in Indianapolis?

Indianapolis has a cold climate with hot summers and some rainfall in all months.

Metric (°C / mm)  |  Imperial (°F / inches)

Back to top

Tropical storm risk: Indianapolis hurricane season

% of month affected by tropical storms
0
0
0
0
0
0
0
0
0
0
0
0
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

TUI: up to 7% off holidays booked online

  • Book online with TUI & save up to 7% on holidays
  • FREE child places available for select holidays
  • Pay £0 deposits with direct debit & spread the cost
Go to TUI deal >>

View all TUI offers

TUITUI deal finder

Back to top

More about the USA

Compare Indianapolis with the USA

Below the Indianapolis chart shows average maximum daytime temperature for Indianapolis, Indiana, USA and the USA (Washington).

Maximum daytime temperature (°C)

Indianapolis, Indiana, USA
USA (Washington)
1
5
4
7
10
13
17
19
23
24
28
29
30
31
29
30
25
26
19
20
11
14
4
8
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Metric (°C / mm)  |  Imperial (°F / inches)

Compare more Indianapolis weather >>

Back to top

Related posts

Popular travel offers

Explore holidays in the sun for less

More holidays

Airport parking

More parking

Airport lounges

More lounges

Top ^