Indianapolis weather in January
Temperature, rain and sunshine in January: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in January
Poor
Best time to visit: May – June, August – October
What is the weather like in Indianapolis in January?
In January, Indianapolis is freezing cold: daytime highs average 2 °C, and nights often drop below freezing (−6 °C). The sun is scarce, with only about 4 hours a day. Precipitation, often as snow, falls on about 9 days, totalling 83 mm. Snow falls on about 3 days. All in all, January is not an ideal month for a holiday in Indianapolis.
January compared
How the weather changes from December to February. Tap a month to open it.
| DecemberDec | JanuaryJan | FebruaryFeb | |
|---|---|---|---|
| Score | 18 | 21 | 25 |
| Day | 5° | 2° | 5° |
| Night | −3° | −6° | −4° |
| Sun | 3 h | 4 h | 5 h |
| Rain days | 10 | 9 | 9 |
More details for January
- Daylight
- 9 h 39 min08:04 – 17:43
- UV index
- 2 · lowclear sky, noon (estimate)All months
- Muggy days
- 0 daysdew point 18 °C or moreAll months
- Wind
- 20 km/haverage daily peakAll months
- Cloud cover
- 69 %on averageAll months
- Hot days
- 0 days30 °C or moreAll months
- Snow days
- 3 days1 cm or more of fresh snowAll months
- Time zone
- UTC−5America/Indiana/Indianapolis
How the score comes together
- Temperatureweight 50 %0 %
- Sunshineweight 20 %10 %
- Few rainy daysweight 30 %64 %
Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.
What to pack in January
- Warm jacket
- Hat, scarf & gloves
- Rain jacket or umbrella
Indianapolis in January: quick answers
Is Indianapolis hot in January?
No. In January, Indianapolis is freezing cold: daytime highs average 2 °C and nights drop to about −6 °C.
Does it rain much in Indianapolis in January?
Rain is frequent, with about 9 rainy days and 83 mm in total.
Indianapolis month by month
The whole year in IndianapolisAll destinations: USAWhere to go in January
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences