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Indianapolis weather in January

Weather in Indianapolis: January

Average day temperature: 32.6°F
Average night temperature: 27.7°F
Number of sunny days: 7 days
Day length: 9.4 - 10.2 hours
Number of rainy days: 2 days
Precipitation totals: 1.3 in.

Air temperature in January, °F

Show year:
2026
2025
2024

The highest day temperature during January of 2026 was 55°F. At the same time the lowest night temperature was -9°F. Daily and nightly averages during January were 28.8°F and 21.1°F.

Sunny, partly cloudy and cloudy days

Mostly all days in January are cloudy but sunny and partly cloudy days are also possible.

Precipitation total in January, in.

Precipitation total value in Indianapolis in January is 1.3 in. Other months of the year show relatively similar values.

Wind speed in January, mph

The average wind speed value in January is 8.5 mph It makes January one of the most windy months of the year.

Average sunny hours

This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in January is: 4.1.

Best time for vacation in Indianapolis

Sunniest months:
September 18 days
October 17 days
June 14 days
Warmest months:
July 82.8 °F
August 81.7 °F
June 79.5 °F
Coldest months:
January 32.6 °F
February 37.4 °F
December 39.8 °F
Rainiest months:
May 3 days
March 3 days
January 2 days
Windiest months:
March 9.6 mph
April 9.0 mph
February 8.7 mph

Indianapolis on a weather map

Indianapolis
+23°F
N 7 mph
Feels like: +14°F
Precip.: 0%
Places in USA:
Name
°F
+19°F
+77°F
+77°F
+73°F
+75°F
+52°F
+55°F
+72°F
+16°F
+63°F
+66°F
+50°F
+46°F
+54°F
+27°F
24 Hours Forecast
Indianapolis
Local time: 21:17
February 06, friday
0000
23°F
N
7 mph
0300
25°F
NE
7 mph
0600
25°F
NE
6 mph
0900
27°F
NE
7 mph
1200
30°F
SE
12 mph
1500
34°F
SE
14 mph
1800
34°F
SE
13 mph
2100
30°F
S
14 mph
Units of measurement: °C / °F